CN109852792A - A kind of copper cobalt ore prepares the processing technology of cobalt hydroxide - Google Patents
A kind of copper cobalt ore prepares the processing technology of cobalt hydroxide Download PDFInfo
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Abstract
The invention discloses the processing technologys that a kind of copper cobalt ore prepares cobalt hydroxide, comprising the following steps: one, copper cobalt ore concentrate calcined；Two, calcined copper cobalt ore concentrate is milled to 2400 mesh, is placed in agitator and the stirring of concentrated sulfuric acid gradient is added；Using fine copper as anode electrode, lead to electrocatalytic reaction by cathode electrode of the carbon-point of graphene modified, stands 80min；Obtain mine liquid；Three, blister copper is made to slab in advance as anode, fine copper, which is laminated, makees cathode, carries out copper electrodeposition to the mine liquid in step 2；Four, removal of impurities filtrate obtained in step 3 is added drift ice and carries out oxidation precipitation；Five, filtrate obtained in step 4 obtains cobalt hydroxide product after carrying out heavy cobalt filtering；The present invention carries out obtaining water-soluble cobalt salt by the way of concentrated sulfuric acid gradient stirring and dissolving under the conditions of electrolytic catalysis after roasting direct, and compared to high conversion rate for the mode of sulfating roasting, yield is higher, is worth promoting.
Description
Technical field
The present invention relates to cobalt field of material preparation, specifically a kind of copper cobalt ore prepares the processing technology of cobalt hydroxide.
Background technique
Cobalt, symbol of element Co, silvery white ferromagnetic metal, surface are located at the 4th in silvery white slightly pale pink in periodic table
Period, the VIIIth race, atomic number 27, atomic weight 58.9332, Patterns for Close-Packed Hexagonal Crystal, usual valences are+2 ,+3.Cobalt is that have
The steel grey metal of gloss, it is harder and crisp, there is ferromagnetism, is heated to magnetism at 1150 DEG C and disappears.The chemical valence of cobalt is+divalent
With+trivalent.Discord water effect at normal temperature, it is also very stable in wet air.It is heated to oxygen at 300 DEG C or more in air
Metaplasia burns into Co3O4 in white heat at CoO.Thin metal cobalt powder made of hydrogen reduction method in air can spontaneous combustion generation oxidation
Cobalt.Cobalt is the important source material for producing heat-resisting alloy, hard alloy, anti-corrosion alloy, magnetic alloy and various cobalt salts.
The physics of cobalt, chemical property determine it be production heat-resisting alloy, hard alloy, anti-corrosion alloy, magnetic alloy and
The important source material of various cobalt salts.Cobalt-base alloys or cobalt-containing alloy steel are used as the blade of gas turbine, impeller, conduit, jet and start
Machine, rocket engine, guided missile component and chemical industry equipment in various high load capacities heat-resistant part and atomic energy industry it is important
Metal material.Cobalt can guarantee that hard alloy has certain toughness as the binder in powder metallurgy.Magnetic alloy is modernization
Indispensable material in electronics and mechanotronics, for manufacturing the various elements of sound, light, the equipment such as electrically and magnetically.Cobalt is also forever
The important component of long magnetic alloy.In chemical industry, cobalt has been also used in addition to for high temperature alloy and anti-corrosion alloy
Color glass, pigment, enamel and catalyst, desiccant etc..According to Britain " metal Leader ", from hard metal department and surpass
Demand in terms of alloy to cobalt is more powerful.In addition, cobalt is in battery department consumption figure growth rate highest.It is domestic to be said in relation to report,
Cobalt battery industry, Diamond Tools Industry and catalyst industry application also by further expansion, thus to metallic cobalt
Demand is in rising trend.Independent cobalt deposits is generally divided into cobalt arsenides bed, vulcanization cobalt deposits and earthy cobalt mineral deposit three classes.Cobalt removes
Outside independent mineral deposit, it is largely dispersed in skarn iron deposit, vanadium titano-magnetite, hydrothermal solution polymetallic ore, various types copper mine, deposition
In the mineral deposits such as cobalt manganese ore, copper nickel sulfide mineral, silicic acid nickel minerals, though grade is low, scale is often larger, is the main of extraction cobalt
Source.The evaluation index of comprehensive mineral deposit association cobalt there is no Uniform provisions, the ore for generally selecting smelting performance good, and grade containing cobalt is greater than
0.01%.The grade 0.2% of cobalt concentrate is just valuable, if metalliferous deposit scale is big, ore synthetical recovery is imitated, cobalt has more
How much is few calculation.According to chemical composition, concentrate is divided into six grades to cobalt iron concentrate, calculates by dry mine grade.
Produce alloy
Metallic cobalt is mainly used for producing alloy.Cobalt-base alloys is that one or more of cobalt and chromium, tungsten, iron, nickel group are made
Alloy general name.Shear steel containing a certain amount of cobalt can improve the wearability and cutting ability of steel significantly.Containing cobalt 50%
Above stellite will not lose its original hardness being heated to 1000 DEG C, and nowadays this hard closes
Gold has become containing the most important material between golden cutting element and aluminium.In this material, cobalt is by metals other in composition of alloy
Carbide grain is combined together, and so that alloy is had higher toughness, and reduce the sensitive property to impact, this alloy melting welding
In piece surface, the service life of part can be made to improve 3~7 times.Most widely used alloy is Ni-based conjunction in aeronautical and space technology
Cobalt-base alloys also can be used in gold, but " strength mechanism " of two kinds of alloys is different.The nickel-base alloy intensity height of titaniferous and aluminium is
Because formation group becomes the phase hardening agent of NiAl (Ti), when running temperature is high, phase hardening agent particle proceeds to solid solution, this
Shi Hejin loses intensity quickly.The heat resistance of cobalt-base alloys is because foring the carbide of infusibility, these carbide are not easy to turn
For solid solution, diffusion activity is small, and when temperature is at 1038 DEG C or more, the superiority of cobalt-base alloys just shows nothing left.This is right
In manufacturing efficient high-temperature engine, cobalt-base alloys is with regard to just right.It is used in the structural material of aeroturbine and contains 20%
The cobalt-base alloys of~27% chromium can not protect coating that material can be made up to high antioxidant.Nuclear reactor heat supply mercury work makes
The turbogenerator of thermal medium can not overhaul and continuously run 1 year or more.It is reported that the pot of the generator of U.S.'s test
Furnace is exactly to be manufactured with cobalt alloy.Cobalt is that magnetization is once just able to maintain magnetic one of a few metals.Under heat effect, lose
Magnetic temperature is 769 DEG C curie point, the curie point of iron, and nickel is 358 DEG C, and cobalt is up to 1150 DEG C.Magnetism containing 60% cobalt
Steel improves 2.5 times than the coercive force of general magnetic steel.Under vibration, general magnetic steel loses similar 1/3 magnetism, and
Cobalt steels only loses 2%~3.5% magnetism.Thus advantage of the cobalt on magnetic material is with regard to apparent.Cobalt metal is in plating, glass
Glass, dyeing, medical medical treatment etc. are also widely used.The cobalt acid lithium made of lithium carbonate and cobalt oxide be modern Application most
Universal high-energy battery positive electrode.Cobalt is also possible to for the device that makes nuclear arms, and a kind of theoretic atom bomb or hydrogen bomb are loaded on
In crust of cobalt, cobalt can be made to become fatal radioactive ash after explosion.
Cobalt is not only the important meals of manufacture steel alloy, and is the important source material of various advanced pigment.
Some compounds of cobalt have the color to change unpredictably in different conditions and temperature.
Cobalt is vitamin B12 component part, and the cobalt of intake can be synthesized vitamin B12 in enteron aisle by ruminant,
And cobalt cannot be synthesized in vivo B12 by the mankind and nonruminant.It can't determine other functions of cobalt, but intracorporal cobalt is only
About 10% is the form of vitamin.It has been observed that inorganic cobalt has important role to stimulation RBC acceptor garland rate.There is kind of anaemia to use
Folic acid, iron, B12 treatment are all invalid, and the cobaltous dichloride of someone's large dosage can treat this kind of anaemia.However, so large dosage of
Application can cause to be poisoned cobalt repeatedly.Cobalt is influence kidney release hematopoietin on the mechanism of hemopoiesis, or
It is recycled by stimulation guanidine., this is because kidney release the releive carnosine rubescent with face that can distend the blood vessels is also observed after supplying cobalt,
Cobalt may have a role thyroid function, and results of animal is shown, the synthesis of thyroxine may need cobalt, and cobalt can be short of money
The influence that anti-iodine deficiency generates.
Cobalt element can stimulate the hemopoietic system of human bone marrow, and the synthesis of hemoglobin and red blood cell number purpose is promoted to increase.
Intracorporal physiological action is participated in the form of forming vitamin B12 mostly.The mechanism of cobalt stimulation hematopoiesis are as follows: 1. red by generating
Erythropoietin stimulates hematopoiesis.Cobalt element internal respiration enzyme capable of inhibiting cell, makes histocyte anoxic, and feedback stimulation red blood cell is raw
It is generated at element, and then promotes marrow hemopoiesis.2. the effect to iron metabolism.Cobalt element can promote absorption of the intestinal mucosa to iron, accelerate
Storage iron enters marrow.3. participating in the metabolism of ribonucleic acid and borne materials by vitamin B12, hematopoiesis is acted on.④
Cobalt element can promote spleen release red blood cell, and (content of hemoglobin increases, and desmacyte, red blood cell proliferation are active, in Peripheral blood
Erythremia), to promote hematopoiesis function.
It is in the prior art first by carrying out sulphur in fluidized roaster by the method that copper cobalt ore prepares cobalt hydroxide
It is acidizing fired, it is desirable that equipment and condition it is higher, and a big chunk cobalt is not converted into cobalt salt, and yield is not high.
Summary of the invention
The purpose of the present invention is to provide one kind not to need sulfating roasting, and the copper cobalt ore for improving yield prepares cobalt hydroxide
Processing technology, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme:
A kind of copper cobalt ore prepares the processing technology of cobalt hydroxide, comprising the following steps:
One, copper cobalt ore concentrate is calcined；
Two, calcined copper cobalt ore concentrate is milled to 2400 mesh, is placed in agitator and the stirring of concentrated sulfuric acid gradient, gradient is added
The program of stirring includes stirring at low speed to stir 8-10min, moderate-speed mixer 1200-1400r/ for the revolving speed of 800-900r/min
The revolving speed of min stirs 15-18min, and the revolving speed that high-speed stirred is 2000-2400r/min stirs 10-15min；It is sun with fine copper
Pole electrode leads to electrocatalytic reaction by cathode electrode of the carbon-point of graphene modified, stands 80min；Obtain mine liquid；
Three, blister copper is made to slab in advance as anode, fine copper, which is laminated, makees cathode, carries out to the mine liquid in step 2
Copper electrodeposition obtains cathode copper, is then filtered, washed mine liquid with plate and frame filter press, removes silicon, calcium, phosphorus, boron, carbon, arsenic
Equal nonmetallic inclusions, removal of impurities filtrate enter next program；
Four, removal of impurities filtrate obtained in step 3 is added dilute sulfuric acid and adjusts pH value to 1.5~2.0, be then added drift ice into
Row oxidation precipitation, it is 50~60g/L containing chlorine, when drift ice to most 2.5~2.8 PH are added that drift ice, which is 38~50g/L containing alkali,
Stop, obtaining filtrate by filters pressing, the impurity elements such as manganese, iron, arsenic are precipitated；
Five, filtrate obtained in step 4 obtains cobalt hydroxide product after carrying out heavy cobalt filtering.
As a further solution of the present invention: cobalt filtering is sunk in the step 5 the following steps are included: first preparing quality hundred
Dividing content is the magnesium hydroxide slurries of 20-30%, and carries out first in primary heavy cobalt slot to cobalt sulfate solution with the magnesium hydroxide slurries
Secondary heavy cobalt, after primary heavy cobalt dashpot, the 30-50% of obtained ore pulp returns primary the primary heavy cobalt slurry reacted
In heavy cobalt slot, remaining ore pulp carries out filters pressing, and the filter cake that filters pressing obtains send drying process, and the cobalt hydroxide after drying is product,
Filtrate carries out second of heavy cobalt with magnesium hydroxide slurries；Obtained secondary heavy cobalt slurry is reacted to carry out after secondary heavy cobalt dashpot
Filters pressing, the filter residue that filters pressing obtains return in heavy cobalt reaction for the first time after being sized mixing with cobalt sulfate solution, participate in reacting as crystal seed,
Filtrate carries out secondary filter；The filtrate obtained after secondary filter is sent to sewage treatment process, and filter pulp is back to secondary heavy cobalt buffering
In slot.
As a further solution of the present invention: the additional amount for controlling magnesium hydroxide slurries makes solution in heavy cobalt reaction for the first time
PH value is maintained at 7.0-8.0, and the pH value of solution in second of heavy cobalt reaction is made to be maintained at 8.0-9.0；The reaction temperature of heavy cobalt twice
Degree control is at 55-65 DEG C.
As a further solution of the present invention: copper cobalt ore prepares the processing technology of cobalt hydroxide, comprising the following steps:
One, copper cobalt ore concentrate is calcined；
Two, calcined copper cobalt ore concentrate is milled to 2400 mesh, is placed in agitator and the stirring of concentrated sulfuric acid gradient, gradient is added
The program of stirring includes stirring at low speed to stir 8-10min, moderate-speed mixer 1200-1400r/ for the revolving speed of 800-900r/min
The revolving speed of min stirs 15-18min, and the revolving speed that high-speed stirred is 2000-2400r/min stirs 10-15min；It is sun with fine copper
Pole electrode leads to electrocatalytic reaction by cathode electrode of the carbon-point of graphene modified, stands 80min；Obtain mine liquid；
Three, blister copper is made to slab in advance as anode, fine copper, which is laminated, makees cathode, carries out to the mine liquid in step 2
Copper electrodeposition obtains cathode copper, is then filtered, washed mine liquid with plate and frame filter press, removes silicon, calcium, phosphorus, boron, carbon, arsenic
Equal nonmetallic inclusions, removal of impurities filtrate enter next program；
Four, removal of impurities filtrate obtained in step 3 is added dilute sulfuric acid and adjusts pH value to 1.6, and drift ice is then added and is aoxidized
Precipitating, drift ice is 42g/L containing alkali, is 52g/L containing chlorine, stops when drift ice to most 2.6 PH are added, filtered by filters pressing
The impurity elements such as manganese, iron, arsenic are precipitated in liquid；
Five, filtrate obtained in step 4 obtains cobalt hydroxide product after carrying out heavy cobalt filtering.
As a further solution of the present invention: copper cobalt ore prepares the processing technology of cobalt hydroxide, comprising the following steps:
One, copper cobalt ore concentrate is calcined；
Two, calcined copper cobalt ore concentrate is milled to 2400 mesh, is placed in agitator and the stirring of concentrated sulfuric acid gradient, gradient is added
The program of stirring includes stirring at low speed to stir 8-10min, moderate-speed mixer 1200-1400r/ for the revolving speed of 800-900r/min
The revolving speed of min stirs 15-18min, and the revolving speed that high-speed stirred is 2000-2400r/min stirs 10-15min；It is sun with fine copper
Pole electrode leads to electrocatalytic reaction by cathode electrode of the carbon-point of graphene modified, stands 80min；Obtain mine liquid；
Three, blister copper is made to slab in advance as anode, fine copper, which is laminated, makees cathode, carries out to the mine liquid in step 2
Copper electrodeposition obtains cathode copper, is then filtered, washed mine liquid with plate and frame filter press, removes silicon, calcium, phosphorus, boron, carbon, arsenic
Equal nonmetallic inclusions, removal of impurities filtrate enter next program；
Four, removal of impurities filtrate obtained in step 3 is added dilute sulfuric acid and adjusts pH value to 1.7, and drift ice is then added and is aoxidized
Precipitating, drift ice is 43g/L containing alkali, is 52g/L containing chlorine, stops when drift ice to most 2.6 PH are added, filtered by filters pressing
The impurity elements such as manganese, iron, arsenic are precipitated in liquid；
Five, filtrate obtained in step 4 obtains cobalt hydroxide product after carrying out heavy cobalt filtering.
As a further solution of the present invention: copper cobalt ore prepares the processing technology of cobalt hydroxide, comprising the following steps:
One, copper cobalt ore concentrate is calcined；
Two, calcined copper cobalt ore concentrate is milled to 2400 mesh, is placed in agitator and the stirring of concentrated sulfuric acid gradient, gradient is added
The program of stirring includes stirring at low speed to stir 8-10min, moderate-speed mixer 1200-1400r/ for the revolving speed of 800-900r/min
The revolving speed of min stirs 15-18min, and the revolving speed that high-speed stirred is 2000-2400r/min stirs 10-15min；It is sun with fine copper
Pole electrode leads to electrocatalytic reaction by cathode electrode of the carbon-point of graphene modified, stands 80min；Obtain mine liquid；
Three, blister copper is made to slab in advance as anode, fine copper, which is laminated, makees cathode, carries out to the mine liquid in step 2
Copper electrodeposition obtains cathode copper, is then filtered, washed mine liquid with plate and frame filter press, removes silicon, calcium, phosphorus, boron, carbon, arsenic
Equal nonmetallic inclusions, removal of impurities filtrate enter next program；
Four, removal of impurities filtrate obtained in step 3 is added dilute sulfuric acid and adjusts pH value to 1.9, and drift ice is then added and is aoxidized
Precipitating, drift ice is 50g/L containing alkali, is 55g/L containing chlorine, stops when drift ice to most 2.7 PH are added, filtered by filters pressing
The impurity elements such as manganese, iron, arsenic are precipitated in liquid；
Five, filtrate obtained in step 4 obtains cobalt hydroxide product after carrying out heavy cobalt filtering.
As a further solution of the present invention: copper cobalt ore prepares the processing technology of cobalt hydroxide, comprising the following steps:
One, copper cobalt ore concentrate is calcined；
Two, calcined copper cobalt ore concentrate is milled to 2400 mesh, is placed in agitator and the stirring of concentrated sulfuric acid gradient, gradient is added
The program of stirring includes stirring at low speed to stir 8-10min, moderate-speed mixer 1200-1400r/ for the revolving speed of 800-900r/min
The revolving speed of min stirs 15-18min, and the revolving speed that high-speed stirred is 2000-2400r/min stirs 10-15min；It is sun with fine copper
Pole electrode leads to electrocatalytic reaction by cathode electrode of the carbon-point of graphene modified, stands 80min；Obtain mine liquid；
Three, blister copper is made to slab in advance as anode, fine copper, which is laminated, makees cathode, carries out to the mine liquid in step 2
Copper electrodeposition obtains cathode copper, is then filtered, washed mine liquid with plate and frame filter press, removes silicon, calcium, phosphorus, boron, carbon, arsenic
Equal nonmetallic inclusions, removal of impurities filtrate enter next program；
Four, removal of impurities filtrate obtained in step 3 is added dilute sulfuric acid and adjusts pH value to 2.0, and drift ice is then added and is aoxidized
Precipitating, drift ice is 42g/L containing alkali, is 60g/L containing chlorine, stops when drift ice to most 2.6 PH are added, filtered by filters pressing
The impurity elements such as manganese, iron, arsenic are precipitated in liquid；
Five, filtrate obtained in step 4 obtains cobalt hydroxide product after carrying out heavy cobalt filtering.
As a further solution of the present invention: copper cobalt ore prepares the processing technology of cobalt hydroxide, comprising the following steps:
One, copper cobalt ore concentrate is calcined；
Two, calcined copper cobalt ore concentrate is milled to 2400 mesh, is placed in agitator and the stirring of concentrated sulfuric acid gradient, gradient is added
The program of stirring includes stirring at low speed to stir 8-10min, moderate-speed mixer 1200-1400r/ for the revolving speed of 800-900r/min
The revolving speed of min stirs 15-18min, and the revolving speed that high-speed stirred is 2000-2400r/min stirs 10-15min；It is sun with fine copper
Pole electrode leads to electrocatalytic reaction by cathode electrode of the carbon-point of graphene modified, stands 80min；Obtain mine liquid；
Three, blister copper is made to slab in advance as anode, fine copper, which is laminated, makees cathode, carries out to the mine liquid in step 2
Copper electrodeposition obtains cathode copper, is then filtered, washed mine liquid with plate and frame filter press, removes silicon, calcium, phosphorus, boron, carbon, arsenic
Equal nonmetallic inclusions, removal of impurities filtrate enter next program；
Four, removal of impurities filtrate obtained in step 3 is added dilute sulfuric acid and adjusts pH value to 1.8, and drift ice is then added and is aoxidized
Precipitating, drift ice is 45g/L containing alkali, is 60g/L containing chlorine, stops when drift ice to most 2.6 PH are added, filtered by filters pressing
The impurity elements such as manganese, iron, arsenic are precipitated in liquid；
Five, filtrate obtained in step 4 obtains cobalt hydroxide product after carrying out heavy cobalt filtering.
Compared with prior art, the beneficial effects of the present invention are: the present invention using electrolytic catalysis after roasting direct under the conditions of
The mode for carrying out concentrated sulfuric acid gradient stirring and dissolving obtains water-soluble cobalt salt, compared to high conversion rate for the mode of sulfating roasting,
Yield is higher；
The purity of cobalt hydroxide made from processing technology of the invention is higher, can reach the standard of national standard I class.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Embodiment one
A kind of copper cobalt ore prepares the processing technology of cobalt hydroxide, comprising the following steps:
One, copper cobalt ore concentrate is calcined；
Two, calcined copper cobalt ore concentrate is milled to 2400 mesh, is placed in agitator and the stirring of concentrated sulfuric acid gradient, gradient is added
The program of stirring includes stirring at low speed to stir 8-10min, moderate-speed mixer 1200-1400r/ for the revolving speed of 800-900r/min
The revolving speed of min stirs 15-18min, and the revolving speed that high-speed stirred is 2000-2400r/min stirs 10-15min；It is sun with fine copper
Pole electrode leads to electrocatalytic reaction by cathode electrode of the carbon-point of graphene modified, stands 80min；Obtain mine liquid；
Three, blister copper is made to slab in advance as anode, fine copper, which is laminated, makees cathode, carries out to the mine liquid in step 2
Copper electrodeposition obtains cathode copper, is then filtered, washed mine liquid with plate and frame filter press, removes silicon, calcium, phosphorus, boron, carbon, arsenic
Equal nonmetallic inclusions, removal of impurities filtrate enter next program；
Four, removal of impurities filtrate obtained in step 3 is added dilute sulfuric acid and adjusts pH value to 1.5, and drift ice is then added and is aoxidized
Precipitating, drift ice is 38g/L containing alkali, is 50g/L containing chlorine, stops when drift ice to most 2.5 PH are added, filtered by filters pressing
The impurity elements such as manganese, iron, arsenic are precipitated in liquid；
Five, filtrate obtained in step 4 obtains cobalt hydroxide product after carrying out heavy cobalt filtering.
In step 5 sink cobalt filtering the following steps are included: first prepare mass percentage be 20-30% magnesium hydroxide slurries,
And heavy cobalt for the first time is carried out in primary heavy cobalt slot to cobalt sulfate solution with the magnesium hydroxide slurries, the primary heavy cobalt material reacted
After primary heavy cobalt dashpot, the 30-50% of obtained ore pulp is returned once in heavy cobalt slot slurry, and remaining ore pulp carries out filters pressing, pressure
It filters obtained filter cake and send drying process, the cobalt hydroxide after drying is product, and filtrate carries out second with magnesium hydroxide slurries and sinks
Cobalt；It reacts obtained secondary heavy cobalt slurry and carries out filters pressing after secondary heavy cobalt dashpot, the filter residue cobaltous sulfate that filters pressing obtains is molten
Liquid is returned after sizing mixing in heavy cobalt reaction for the first time, participates in reacting as crystal seed, filtrate carries out secondary filter；After secondary filter
To filtrate send to sewage treatment process, filter pulp is back in secondary heavy cobalt dashpot；The additional amount of control magnesium hydroxide slurries makes
The pH value of solution is maintained at 7.0-8.0 in heavy cobalt reaction for the first time, is maintained at the pH value of solution in second of heavy cobalt reaction
8.0-9.0；The reaction temperature of heavy cobalt is controlled at 55-65 DEG C twice.
Embodiment two
A kind of copper cobalt ore prepares the processing technology of cobalt hydroxide, comprising the following steps:
One, copper cobalt ore concentrate is calcined；
Two, calcined copper cobalt ore concentrate is milled to 2400 mesh, is placed in agitator and the stirring of concentrated sulfuric acid gradient, gradient is added
The program of stirring includes stirring at low speed to stir 8-10min, moderate-speed mixer 1200-1400r/ for the revolving speed of 800-900r/min
The revolving speed of min stirs 15-18min, and the revolving speed that high-speed stirred is 2000-2400r/min stirs 10-15min；It is sun with fine copper
Pole electrode leads to electrocatalytic reaction by cathode electrode of the carbon-point of graphene modified, stands 80min；Obtain mine liquid；
Three, blister copper is made to slab in advance as anode, fine copper, which is laminated, makees cathode, carries out to the mine liquid in step 2
Copper electrodeposition obtains cathode copper, is then filtered, washed mine liquid with plate and frame filter press, removes silicon, calcium, phosphorus, boron, carbon, arsenic
Equal nonmetallic inclusions, removal of impurities filtrate enter next program；
Four, removal of impurities filtrate obtained in step 3 is added dilute sulfuric acid and adjusts pH value to 1.6, and drift ice is then added and is aoxidized
Precipitating, drift ice is 42g/L containing alkali, is 52g/L containing chlorine, stops when drift ice to most 2.6 PH are added, filtered by filters pressing
The impurity elements such as manganese, iron, arsenic are precipitated in liquid；
Five, filtrate obtained in step 4 obtains cobalt hydroxide product after carrying out heavy cobalt filtering.
In step 5 sink cobalt filtering the following steps are included: first prepare mass percentage be 20-30% magnesium hydroxide slurries,
And heavy cobalt for the first time is carried out in primary heavy cobalt slot to cobalt sulfate solution with the magnesium hydroxide slurries, the primary heavy cobalt material reacted
After primary heavy cobalt dashpot, the 30-50% of obtained ore pulp is returned once in heavy cobalt slot slurry, and remaining ore pulp carries out filters pressing, pressure
It filters obtained filter cake and send drying process, the cobalt hydroxide after drying is product, and filtrate carries out second with magnesium hydroxide slurries and sinks
Cobalt；It reacts obtained secondary heavy cobalt slurry and carries out filters pressing after secondary heavy cobalt dashpot, the filter residue cobaltous sulfate that filters pressing obtains is molten
Liquid is returned after sizing mixing in heavy cobalt reaction for the first time, participates in reacting as crystal seed, filtrate carries out secondary filter；After secondary filter
To filtrate send to sewage treatment process, filter pulp is back in secondary heavy cobalt dashpot；The additional amount of control magnesium hydroxide slurries makes
The pH value of solution is maintained at 7.0-8.0 in heavy cobalt reaction for the first time, is maintained at the pH value of solution in second of heavy cobalt reaction
8.0-9.0；The reaction temperature of heavy cobalt is controlled at 55-65 DEG C twice.
Embodiment three
A kind of copper cobalt ore prepares the processing technology of cobalt hydroxide, comprising the following steps:
One, copper cobalt ore concentrate is calcined；
Two, calcined copper cobalt ore concentrate is milled to 2400 mesh, is placed in agitator and the stirring of concentrated sulfuric acid gradient, gradient is added
The program of stirring includes stirring at low speed to stir 8-10min, moderate-speed mixer 1200-1400r/ for the revolving speed of 800-900r/min
The revolving speed of min stirs 15-18min, and the revolving speed that high-speed stirred is 2000-2400r/min stirs 10-15min；It is sun with fine copper
Pole electrode leads to electrocatalytic reaction by cathode electrode of the carbon-point of graphene modified, stands 80min；Obtain mine liquid；
Three, blister copper is made to slab in advance as anode, fine copper, which is laminated, makees cathode, carries out to the mine liquid in step 2
Copper electrodeposition obtains cathode copper, is then filtered, washed mine liquid with plate and frame filter press, removes silicon, calcium, phosphorus, boron, carbon, arsenic
Equal nonmetallic inclusions, removal of impurities filtrate enter next program；
Four, removal of impurities filtrate obtained in step 3 is added dilute sulfuric acid and adjusts pH value to 1.7, and drift ice is then added and is aoxidized
Precipitating, drift ice is 43g/L containing alkali, is 52g/L containing chlorine, stops when drift ice to most 2.6 PH are added, filtered by filters pressing
The impurity elements such as manganese, iron, arsenic are precipitated in liquid；
Five, filtrate obtained in step 4 obtains cobalt hydroxide product after carrying out heavy cobalt filtering.
In step 5 sink cobalt filtering the following steps are included: first prepare mass percentage be 20-30% magnesium hydroxide slurries,
And heavy cobalt for the first time is carried out in primary heavy cobalt slot to cobalt sulfate solution with the magnesium hydroxide slurries, the primary heavy cobalt material reacted
After primary heavy cobalt dashpot, the 30-50% of obtained ore pulp is returned once in heavy cobalt slot slurry, and remaining ore pulp carries out filters pressing, pressure
It filters obtained filter cake and send drying process, the cobalt hydroxide after drying is product, and filtrate carries out second with magnesium hydroxide slurries and sinks
Cobalt；It reacts obtained secondary heavy cobalt slurry and carries out filters pressing after secondary heavy cobalt dashpot, the filter residue cobaltous sulfate that filters pressing obtains is molten
Liquid is returned after sizing mixing in heavy cobalt reaction for the first time, participates in reacting as crystal seed, filtrate carries out secondary filter；After secondary filter
To filtrate send to sewage treatment process, filter pulp is back in secondary heavy cobalt dashpot；The additional amount of control magnesium hydroxide slurries makes
The pH value of solution is maintained at 7.0-8.0 in heavy cobalt reaction for the first time, is maintained at the pH value of solution in second of heavy cobalt reaction
8.0-9.0；The reaction temperature of heavy cobalt is controlled at 55-65 DEG C twice.
| Chemical component w/% | National standard HG/T4506-2013 (I class) | The present embodiment product |
| Co | ≥61.0 | 64.0 |
| Ni | ≤0.005 | 0.002 |
| Cu | ≤0.002 | 0.002 |
| Mn | ≤0.005 | 0.005 |
| Zn | ≤0.002 | 0.002 |
| Pb | ≤0.005 | 0.001 |
| Cd | ≤0.002 | 0.002 |
| Fe | ≤0.005 | 0.001 |
| Ca | ≤0.005 | 0.001 |
| Mg | ≤0.005 | 0.001 |
| Na | ≤0.03 | 0.03 |
| Chloride | ≤0.08 | 0.05 |
| Apparent density (g/cm3) | 0.2~1.0 | 0.5 |
Example IV
A kind of copper cobalt ore prepares the processing technology of cobalt hydroxide, comprising the following steps:
One, copper cobalt ore concentrate is calcined；
Two, calcined copper cobalt ore concentrate is milled to 2400 mesh, is placed in agitator and the stirring of concentrated sulfuric acid gradient, gradient is added
The program of stirring includes stirring at low speed to stir 8-10min, moderate-speed mixer 1200-1400r/ for the revolving speed of 800-900r/min
The revolving speed of min stirs 15-18min, and the revolving speed that high-speed stirred is 2000-2400r/min stirs 10-15min；It is sun with fine copper
Pole electrode leads to electrocatalytic reaction by cathode electrode of the carbon-point of graphene modified, stands 80min；Obtain mine liquid；
Three, blister copper is made to slab in advance as anode, fine copper, which is laminated, makees cathode, carries out to the mine liquid in step 2
Copper electrodeposition obtains cathode copper, is then filtered, washed mine liquid with plate and frame filter press, removes silicon, calcium, phosphorus, boron, carbon, arsenic
Equal nonmetallic inclusions, removal of impurities filtrate enter next program；
Four, removal of impurities filtrate obtained in step 3 is added dilute sulfuric acid and adjusts pH value to 1.9, and drift ice is then added and is aoxidized
Precipitating, drift ice is 50g/L containing alkali, is 55g/L containing chlorine, stops when drift ice to most 2.7 PH are added, filtered by filters pressing
The impurity elements such as manganese, iron, arsenic are precipitated in liquid；
Five, filtrate obtained in step 4 obtains cobalt hydroxide product after carrying out heavy cobalt filtering.
In step 5 sink cobalt filtering the following steps are included: first prepare mass percentage be 20-30% magnesium hydroxide slurries,
And heavy cobalt for the first time is carried out in primary heavy cobalt slot to cobalt sulfate solution with the magnesium hydroxide slurries, the primary heavy cobalt material reacted
After primary heavy cobalt dashpot, the 30-50% of obtained ore pulp is returned once in heavy cobalt slot slurry, and remaining ore pulp carries out filters pressing, pressure
It filters obtained filter cake and send drying process, the cobalt hydroxide after drying is product, and filtrate carries out second with magnesium hydroxide slurries and sinks
Cobalt；It reacts obtained secondary heavy cobalt slurry and carries out filters pressing after secondary heavy cobalt dashpot, the filter residue cobaltous sulfate that filters pressing obtains is molten
Liquid is returned after sizing mixing in heavy cobalt reaction for the first time, participates in reacting as crystal seed, filtrate carries out secondary filter；After secondary filter
To filtrate send to sewage treatment process, filter pulp is back in secondary heavy cobalt dashpot；The additional amount of control magnesium hydroxide slurries makes
The pH value of solution is maintained at 7.0-8.0 in heavy cobalt reaction for the first time, is maintained at the pH value of solution in second of heavy cobalt reaction
8.0-9.0；The reaction temperature of heavy cobalt is controlled at 55-65 DEG C twice.
Embodiment five
A kind of copper cobalt ore prepares the processing technology of cobalt hydroxide, comprising the following steps:
One, copper cobalt ore concentrate is calcined；
Two, calcined copper cobalt ore concentrate is milled to 2400 mesh, is placed in agitator and the stirring of concentrated sulfuric acid gradient, gradient is added
The program of stirring includes stirring at low speed to stir 8-10min, moderate-speed mixer 1200-1400r/ for the revolving speed of 800-900r/min
The revolving speed of min stirs 15-18min, and the revolving speed that high-speed stirred is 2000-2400r/min stirs 10-15min；It is sun with fine copper
Pole electrode leads to electrocatalytic reaction by cathode electrode of the carbon-point of graphene modified, stands 80min；Obtain mine liquid；
Three, blister copper is made to slab in advance as anode, fine copper, which is laminated, makees cathode, carries out to the mine liquid in step 2
Copper electrodeposition obtains cathode copper, is then filtered, washed mine liquid with plate and frame filter press, removes silicon, calcium, phosphorus, boron, carbon, arsenic
Equal nonmetallic inclusions, removal of impurities filtrate enter next program；
Four, removal of impurities filtrate obtained in step 3 is added dilute sulfuric acid and adjusts pH value to 2.0, and drift ice is then added and is aoxidized
Precipitating, drift ice is 42g/L containing alkali, is 60g/L containing chlorine, stops when drift ice to most 2.6 PH are added, filtered by filters pressing
The impurity elements such as manganese, iron, arsenic are precipitated in liquid；
Five, filtrate obtained in step 4 obtains cobalt hydroxide product after carrying out heavy cobalt filtering.
In step 5 sink cobalt filtering the following steps are included: first prepare mass percentage be 20-30% magnesium hydroxide slurries,
And heavy cobalt for the first time is carried out in primary heavy cobalt slot to cobalt sulfate solution with the magnesium hydroxide slurries, the primary heavy cobalt material reacted
After primary heavy cobalt dashpot, the 30-50% of obtained ore pulp is returned once in heavy cobalt slot slurry, and remaining ore pulp carries out filters pressing, pressure
It filters obtained filter cake and send drying process, the cobalt hydroxide after drying is product, and filtrate carries out second with magnesium hydroxide slurries and sinks
Cobalt；It reacts obtained secondary heavy cobalt slurry and carries out filters pressing after secondary heavy cobalt dashpot, the filter residue cobaltous sulfate that filters pressing obtains is molten
Liquid is returned after sizing mixing in heavy cobalt reaction for the first time, participates in reacting as crystal seed, filtrate carries out secondary filter；After secondary filter
To filtrate send to sewage treatment process, filter pulp is back in secondary heavy cobalt dashpot；The additional amount of control magnesium hydroxide slurries makes
The pH value of solution is maintained at 7.0-8.0 in heavy cobalt reaction for the first time, is maintained at the pH value of solution in second of heavy cobalt reaction
8.0-9.0；The reaction temperature of heavy cobalt is controlled at 55-65 DEG C twice.
| Chemical component w/% | National standard HG/T4506-2013 (I class) | The present embodiment product |
| Co | ≥61.0 | 63.0 |
| Ni | ≤0.005 | 0.004 |
| Cu | ≤0.002 | 0.001 |
| Mn | ≤0.005 | 0.005 |
| Zn | ≤0.002 | 0.002 |
| Pb | ≤0.005 | 0.001 |
| Cd | ≤0.002 | 0.002 |
| Fe | ≤0.005 | 0.001 |
| Ca | ≤0.005 | 0.002 |
| Mg | ≤0.005 | 0.003 |
| Na | ≤0.03 | 0.03 |
| Chloride | ≤0.08 | 0.08 |
| Apparent density (g/cm3) | 0.2~1.0 | 0.6 |
Embodiment six
A kind of copper cobalt ore prepares the processing technology of cobalt hydroxide, comprising the following steps:
One, copper cobalt ore concentrate is calcined；
Two, calcined copper cobalt ore concentrate is milled to 2400 mesh, is placed in agitator and the stirring of concentrated sulfuric acid gradient, gradient is added
The program of stirring includes stirring at low speed to stir 8-10min, moderate-speed mixer 1200-1400r/ for the revolving speed of 800-900r/min
The revolving speed of min stirs 15-18min, and the revolving speed that high-speed stirred is 2000-2400r/min stirs 10-15min；It is sun with fine copper
Pole electrode leads to electrocatalytic reaction by cathode electrode of the carbon-point of graphene modified, stands 80min；Obtain mine liquid；
Three, blister copper is made to slab in advance as anode, fine copper, which is laminated, makees cathode, carries out to the mine liquid in step 2
Copper electrodeposition obtains cathode copper, is then filtered, washed mine liquid with plate and frame filter press, removes silicon, calcium, phosphorus, boron, carbon, arsenic
Equal nonmetallic inclusions, removal of impurities filtrate enter next program；
Four, removal of impurities filtrate obtained in step 3 is added dilute sulfuric acid and adjusts pH value to 1.8, and drift ice is then added and is aoxidized
Precipitating, drift ice is 45g/L containing alkali, is 60g/L containing chlorine, stops when drift ice to most 2.6 PH are added, filtered by filters pressing
The impurity elements such as manganese, iron, arsenic are precipitated in liquid；
Five, filtrate obtained in step 4 obtains cobalt hydroxide product after carrying out heavy cobalt filtering.
In step 5 sink cobalt filtering the following steps are included: first prepare mass percentage be 20-30% magnesium hydroxide slurries,
And heavy cobalt for the first time is carried out in primary heavy cobalt slot to cobalt sulfate solution with the magnesium hydroxide slurries, the primary heavy cobalt material reacted
After primary heavy cobalt dashpot, the 30-50% of obtained ore pulp is returned once in heavy cobalt slot slurry, and remaining ore pulp carries out filters pressing, pressure
It filters obtained filter cake and send drying process, the cobalt hydroxide after drying is product, and filtrate carries out second with magnesium hydroxide slurries and sinks
Cobalt；It reacts obtained secondary heavy cobalt slurry and carries out filters pressing after secondary heavy cobalt dashpot, the filter residue cobaltous sulfate that filters pressing obtains is molten
Liquid is returned after sizing mixing in heavy cobalt reaction for the first time, participates in reacting as crystal seed, filtrate carries out secondary filter；After secondary filter
To filtrate send to sewage treatment process, filter pulp is back in secondary heavy cobalt dashpot；The additional amount of control magnesium hydroxide slurries makes
The pH value of solution is maintained at 7.0-8.0 in heavy cobalt reaction for the first time, is maintained at the pH value of solution in second of heavy cobalt reaction
8.0-9.0；The reaction temperature of heavy cobalt is controlled at 55-65 DEG C twice.
Embodiment seven
A kind of copper cobalt ore prepares the processing technology of cobalt hydroxide, comprising the following steps:
One, copper cobalt ore concentrate is calcined；
Two, calcined copper cobalt ore concentrate is milled to 2400 mesh, is placed in agitator and the stirring of concentrated sulfuric acid gradient, gradient is added
The program of stirring includes stirring at low speed to stir 8-10min, moderate-speed mixer 1200-1400r/ for the revolving speed of 800-900r/min
The revolving speed of min stirs 15-18min, and the revolving speed that high-speed stirred is 2000-2400r/min stirs 10-15min；It is sun with fine copper
Pole electrode leads to electrocatalytic reaction by cathode electrode of the carbon-point of graphene modified, stands 80min；Obtain mine liquid；
Three, blister copper is made to slab in advance as anode, fine copper, which is laminated, makees cathode, carries out to the mine liquid in step 2
Copper electrodeposition obtains cathode copper, is then filtered, washed mine liquid with plate and frame filter press, removes silicon, calcium, phosphorus, boron, carbon, arsenic
Equal nonmetallic inclusions, removal of impurities filtrate enter next program；
Four, removal of impurities filtrate obtained in step 3 is added dilute sulfuric acid and adjusts pH value to 2.0, and drift ice is then added and is aoxidized
Precipitating, drift ice is 50g/L containing alkali, is 60g/L containing chlorine, stops when drift ice to most 2.8 PH are added, filtered by filters pressing
The impurity elements such as manganese, iron, arsenic are precipitated in liquid；
Five, filtrate obtained in step 4 obtains cobalt hydroxide product after carrying out heavy cobalt filtering.
In step 5 sink cobalt filtering the following steps are included: first prepare mass percentage be 20-30% magnesium hydroxide slurries,
And heavy cobalt for the first time is carried out in primary heavy cobalt slot to cobalt sulfate solution with the magnesium hydroxide slurries, the primary heavy cobalt material reacted
After primary heavy cobalt dashpot, the 30-50% of obtained ore pulp is returned once in heavy cobalt slot slurry, and remaining ore pulp carries out filters pressing, pressure
It filters obtained filter cake and send drying process, the cobalt hydroxide after drying is product, and filtrate carries out second with magnesium hydroxide slurries and sinks
Cobalt；It reacts obtained secondary heavy cobalt slurry and carries out filters pressing after secondary heavy cobalt dashpot, the filter residue cobaltous sulfate that filters pressing obtains is molten
Liquid is returned after sizing mixing in heavy cobalt reaction for the first time, participates in reacting as crystal seed, filtrate carries out secondary filter；After secondary filter
To filtrate send to sewage treatment process, filter pulp is back in secondary heavy cobalt dashpot；The additional amount of control magnesium hydroxide slurries makes
The pH value of solution is maintained at 7.0-8.0 in heavy cobalt reaction for the first time, is maintained at the pH value of solution in second of heavy cobalt reaction
8.0-9.0；The reaction temperature of heavy cobalt is controlled at 55-65 DEG C twice.
。
The preferred embodiment of the patent is described in detail above, but this patent is not limited to above-mentioned embodiment party
Formula within the knowledge of one of ordinary skill in the art can also be under the premise of not departing from this patent objective
Various changes can be made.
Claims (8)
1. the processing technology that a kind of copper cobalt ore prepares cobalt hydroxide, which comprises the following steps:
One, copper cobalt ore concentrate is calcined；
Two, calcined copper cobalt ore concentrate is milled to 2400 mesh, is placed in agitator and the stirring of concentrated sulfuric acid gradient is added, gradient stirring
Program include stirring at low speed to stir 8-10min for the revolving speed of 800-900r/min, moderate-speed mixer is 1200-1400r/min
Revolving speed stirs 15-18min, and the revolving speed that high-speed stirred is 2000-2400r/min stirs 10-15min；Using fine copper as anode electrode,
Lead to electrocatalytic reaction by cathode electrode of the carbon-point of graphene modified, stands 80min；Obtain mine liquid；
Three, blister copper is made to slab in advance as anode, fine copper, which is laminated, makees cathode, carries out copper electricity to the mine liquid in step 2
Solution deposition, obtains cathode copper, is then filtered, washed mine liquid with plate and frame filter press, the non-gold such as removal silicon, calcium, phosphorus, boron, carbon, arsenic
Belong to impurity, removal of impurities filtrate enters next program；
Four, removal of impurities filtrate obtained in step 3 is added dilute sulfuric acid and adjusts pH value to 1.5~2.0, and drift ice is then added and carries out oxygen
Change precipitating, drift ice is 38~50g/L containing alkali, it is 50~60g/L containing chlorine, stops when drift ice to most 2.5~2.8 PH are added,
Filtrate is obtained by filters pressing, the impurity elements such as manganese, iron, arsenic are precipitated；
Five, filtrate obtained in step 4 obtains cobalt hydroxide product after carrying out heavy cobalt filtering.
2. the processing technology that copper cobalt ore according to claim 1 prepares cobalt hydroxide, which is characterized in that in the step 5
Heavy cobalt filtering is the following steps are included: first prepare the magnesium hydroxide slurries that mass percentage is 20-30%, and with the magnesium hydroxide slurries
Heavy cobalt for the first time is carried out in primary heavy cobalt slot to cobalt sulfate solution, the primary heavy cobalt slurry reacted is through once heavy cobalt dashpot
Afterwards, the 30-50% of the ore pulp obtained is returned once in heavy cobalt slot, and remaining ore pulp carries out filters pressing, and the filter cake that filters pressing obtains send drying
Process, the cobalt hydroxide after drying are product, and filtrate carries out second of heavy cobalt with magnesium hydroxide slurries；Reaction obtains secondary heavy
Cobalt slurry carries out filters pressing after secondary heavy cobalt dashpot, and the filter residue that filters pressing obtains returns heavy for the first time after being sized mixing with cobalt sulfate solution
In cobalt reaction, participate in reacting as crystal seed, filtrate carries out secondary filter；The filtrate obtained after secondary filter is sent to sewage treatment work
Sequence, filter pulp are back in secondary heavy cobalt dashpot.
3. the processing technology that copper cobalt ore according to claim 2 prepares cobalt hydroxide, which is characterized in that control magnesium hydroxide
The additional amount of slurry makes the pH value of solution in heavy cobalt reaction for the first time be maintained at 7.0-8.0, makes solution in second of heavy cobalt reaction
PH value is maintained at 8.0-9.0；The reaction temperature of heavy cobalt is controlled at 55-65 DEG C twice.
4. the processing technology that copper cobalt ore according to claim 1 prepares cobalt hydroxide, which is characterized in that including following step
It is rapid:
One, copper cobalt ore concentrate is calcined；
Two, calcined copper cobalt ore concentrate is milled to 2400 mesh, is placed in agitator and the stirring of concentrated sulfuric acid gradient is added, gradient stirring
Program include stirring at low speed to stir 8-10min for the revolving speed of 800-900r/min, moderate-speed mixer is 1200-1400r/min
Revolving speed stirs 15-18min, and the revolving speed that high-speed stirred is 2000-2400r/min stirs 10-15min；Using fine copper as anode electrode,
Lead to electrocatalytic reaction by cathode electrode of the carbon-point of graphene modified, stands 80min；Obtain mine liquid；
Three, blister copper is made to slab in advance as anode, fine copper, which is laminated, makees cathode, carries out copper electricity to the mine liquid in step 2
Solution deposition, obtains cathode copper, is then filtered, washed mine liquid with plate and frame filter press, the non-gold such as removal silicon, calcium, phosphorus, boron, carbon, arsenic
Belong to impurity, removal of impurities filtrate enters next program；
Four, removal of impurities filtrate obtained in step 3 is added dilute sulfuric acid and adjusts pH value to 1.6, and then it is heavy to carry out oxidation for addition drift ice
It forming sediment, drift ice is 42g/L containing alkali, it is 52g/L containing chlorine, stops when drift ice to most 2.6 PH are added, obtain filtrate by filters pressing,
The impurity elements such as manganese, iron, arsenic are precipitated；
Five, filtrate obtained in step 4 obtains cobalt hydroxide product after carrying out heavy cobalt filtering.
5. the processing technology that copper cobalt ore according to claim 1 prepares cobalt hydroxide, which is characterized in that including following step
It is rapid:
One, copper cobalt ore concentrate is calcined；
Two, calcined copper cobalt ore concentrate is milled to 2400 mesh, is placed in agitator and the stirring of concentrated sulfuric acid gradient is added, gradient stirring
Program include stirring at low speed to stir 8-10min for the revolving speed of 800-900r/min, moderate-speed mixer is 1200-1400r/min
Revolving speed stirs 15-18min, and the revolving speed that high-speed stirred is 2000-2400r/min stirs 10-15min；Using fine copper as anode electrode,
Lead to electrocatalytic reaction by cathode electrode of the carbon-point of graphene modified, stands 80min；Obtain mine liquid；
Three, blister copper is made to slab in advance as anode, fine copper, which is laminated, makees cathode, carries out copper electricity to the mine liquid in step 2
Solution deposition, obtains cathode copper, is then filtered, washed mine liquid with plate and frame filter press, the non-gold such as removal silicon, calcium, phosphorus, boron, carbon, arsenic
Belong to impurity, removal of impurities filtrate enters next program；
Four, removal of impurities filtrate obtained in step 3 is added dilute sulfuric acid and adjusts pH value to 1.7, and then it is heavy to carry out oxidation for addition drift ice
It forming sediment, drift ice is 43g/L containing alkali, it is 52g/L containing chlorine, stops when drift ice to most 2.6 PH are added, obtain filtrate by filters pressing,
The impurity elements such as manganese, iron, arsenic are precipitated；
Five, filtrate obtained in step 4 obtains cobalt hydroxide product after carrying out heavy cobalt filtering.
6. the processing technology that copper cobalt ore according to claim 1 prepares cobalt hydroxide, which is characterized in that including following step
It is rapid:
One, copper cobalt ore concentrate is calcined；
Two, calcined copper cobalt ore concentrate is milled to 2400 mesh, is placed in agitator and the stirring of concentrated sulfuric acid gradient is added, gradient stirring
Program include stirring at low speed to stir 8-10min for the revolving speed of 800-900r/min, moderate-speed mixer is 1200-1400r/min
Revolving speed stirs 15-18min, and the revolving speed that high-speed stirred is 2000-2400r/min stirs 10-15min；Using fine copper as anode electrode,
Lead to electrocatalytic reaction by cathode electrode of the carbon-point of graphene modified, stands 80min；Obtain mine liquid；
Three, blister copper is made to slab in advance as anode, fine copper, which is laminated, makees cathode, carries out copper electricity to the mine liquid in step 2
Solution deposition, obtains cathode copper, is then filtered, washed mine liquid with plate and frame filter press, the non-gold such as removal silicon, calcium, phosphorus, boron, carbon, arsenic
Belong to impurity, removal of impurities filtrate enters next program；
Four, removal of impurities filtrate obtained in step 3 is added dilute sulfuric acid and adjusts pH value to 1.9, and then it is heavy to carry out oxidation for addition drift ice
It forming sediment, drift ice is 50g/L containing alkali, it is 55g/L containing chlorine, stops when drift ice to most 2.7 PH are added, obtain filtrate by filters pressing,
The impurity elements such as manganese, iron, arsenic are precipitated；
Five, filtrate obtained in step 4 obtains cobalt hydroxide product after carrying out heavy cobalt filtering.
7. the processing technology that copper cobalt ore according to claim 1 prepares cobalt hydroxide, which is characterized in that including following step
It is rapid:
One, copper cobalt ore concentrate is calcined；
Two, calcined copper cobalt ore concentrate is milled to 2400 mesh, is placed in agitator and the stirring of concentrated sulfuric acid gradient is added, gradient stirring
Program include stirring at low speed to stir 8-10min for the revolving speed of 800-900r/min, moderate-speed mixer is 1200-1400r/min
Revolving speed stirs 15-18min, and the revolving speed that high-speed stirred is 2000-2400r/min stirs 10-15min；Using fine copper as anode electrode,
Lead to electrocatalytic reaction by cathode electrode of the carbon-point of graphene modified, stands 80min；Obtain mine liquid；
Three, blister copper is made to slab in advance as anode, fine copper, which is laminated, makees cathode, carries out copper electricity to the mine liquid in step 2
Solution deposition, obtains cathode copper, is then filtered, washed mine liquid with plate and frame filter press, the non-gold such as removal silicon, calcium, phosphorus, boron, carbon, arsenic
Belong to impurity, removal of impurities filtrate enters next program；
Four, removal of impurities filtrate obtained in step 3 is added dilute sulfuric acid and adjusts pH value to 2.0, and then it is heavy to carry out oxidation for addition drift ice
It forming sediment, drift ice is 42g/L containing alkali, it is 60g/L containing chlorine, stops when drift ice to most 2.6 PH are added, obtain filtrate by filters pressing,
The impurity elements such as manganese, iron, arsenic are precipitated；
Five, filtrate obtained in step 4 obtains cobalt hydroxide product after carrying out heavy cobalt filtering.
8. the processing technology that copper cobalt ore according to claim 1 prepares cobalt hydroxide, which is characterized in that including following step
It is rapid:
One, copper cobalt ore concentrate is calcined；
Two, calcined copper cobalt ore concentrate is milled to 2400 mesh, is placed in agitator and the stirring of concentrated sulfuric acid gradient is added, gradient stirring
Program include stirring at low speed to stir 8-10min for the revolving speed of 800-900r/min, moderate-speed mixer is 1200-1400r/min
Revolving speed stirs 15-18min, and the revolving speed that high-speed stirred is 2000-2400r/min stirs 10-15min；Using fine copper as anode electrode,
Lead to electrocatalytic reaction by cathode electrode of the carbon-point of graphene modified, stands 80min；Obtain mine liquid；
Three, blister copper is made to slab in advance as anode, fine copper, which is laminated, makees cathode, carries out copper electricity to the mine liquid in step 2
Solution deposition, obtains cathode copper, is then filtered, washed mine liquid with plate and frame filter press, the non-gold such as removal silicon, calcium, phosphorus, boron, carbon, arsenic
Belong to impurity, removal of impurities filtrate enters next program；
Four, removal of impurities filtrate obtained in step 3 is added dilute sulfuric acid and adjusts pH value to 1.8, and then it is heavy to carry out oxidation for addition drift ice
It forming sediment, drift ice is 45g/L containing alkali, it is 60g/L containing chlorine, stops when drift ice to most 2.6 PH are added, obtain filtrate by filters pressing,
The impurity elements such as manganese, iron, arsenic are precipitated；
Five, filtrate obtained in step 4 obtains cobalt hydroxide product after carrying out heavy cobalt filtering.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111593205A (en) * | 2020-07-17 | 2020-08-28 | 武汉工程大学 | Method for recovering cobalt from cobalt-containing sulfuric acid residue |
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