CN110317945A - A kind of method of ferric manganese ore chlorination reduction roasting production manganese carbonate and iron powder - Google Patents
A kind of method of ferric manganese ore chlorination reduction roasting production manganese carbonate and iron powder Download PDFInfo
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- CN110317945A CN110317945A CN201910588744.2A CN201910588744A CN110317945A CN 110317945 A CN110317945 A CN 110317945A CN 201910588744 A CN201910588744 A CN 201910588744A CN 110317945 A CN110317945 A CN 110317945A
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0066—Preliminary conditioning of the solid carbonaceous reductant
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/02—Roasting processes
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/02—Roasting processes
- C22B1/08—Chloridising roasting
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B47/00—Obtaining manganese
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B5/00—General methods of reducing to metals
- C22B5/02—Dry methods smelting of sulfides or formation of mattes
- C22B5/10—Dry methods smelting of sulfides or formation of mattes by solid carbonaceous reducing agents
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The invention discloses a kind of methods of ferric manganese ore chlorination reduction roasting production manganese carbonate and iron powder, it include: that anhydrous magnesium chloride, anhydrous calcium chloride, carbonaceous reductant are uniformly mixed to obtain mixture with ferric manganese ore powder, anhydrous calcium chloride dosage accounts for the 5%~25% of ferric manganese ore silty amount, and anhydrous magnesium chloride dosage is 2~4 times of manganese element quality in ferric manganese ore powder；By mixture reduction roasting, reduzate is obtained after cooling；Water is used to leach as solvent reduzate, separation of solid and liquid obtains rich iron filter residue and filtrate；By rich iron filter residue through the isolated iron powder of magnetic separation；Filtrate is added after except iron magnesium carbonate or the mineral containing magnesium carbonate carry out heavy manganese, separation of solid and liquid obtains manganese carbonate.The present invention has that process flow is short, low raw-material cost, low energy consumption, environmental-friendly, while can reach the synthetical recovery to manganese, iron in ferric manganese ore, be suitble to the exploitation and application of ferric manganese ore.
Description
Technical field
The invention belongs to manganese field of smelting, are related to the side of a kind of ferric manganese ore production industrial grade manganese carbonate and metal iron powder
Method.
Background technique
China's manganese resource grade is low, complicated component, and 70% or more manganese ore iron-content is higher.Wherein ferric manganese ore ore
Structure construction is complicated, and manganese mineral is mutually in fine-grained disseminated grain with other gangue minerals, and ferrimanganic is cementing, it is extremely difficult to sort, lead to China's high-speed rail
Manganese resource effective rate of utilization is relatively low.
Blast furnace process Mn-rich slag method is to handle the main method of ferric manganese ore, although this method can efficiently separate manganese iron,
But it is higher to feed stock for blast furnace quality requirements, investment is big, energy consumption is high, and economic benefit is undesirable.The Mn-rich slag of output is as production
The raw material of manganese-silicon and other Mn series alloys, production procedure are long.
Deep processing production electrolytic manganese is carried out to manganese ore, the products such as electrolytic manganese dioxide be China's development of manganese industry it is important become
Gesture.Domestic electrolytic manganese production at present mostly uses manganese carbonate ore, produces electrolytic manganese using direct leaching-purification-electrolysis process.And
Ferromanganese Ore, which is not suitable for directlying adopt wet processing, to be handled, this is because iron content is high, acid and reproducibility environment promotes iron
The dissolution of oxide not only consumes a large amount of sulfuric acid, and the quantity of slag is big, and is difficult to recycle metallic iron, causes the waste of iron resource.
It, can be by Ferromanganese Ore in 1000 DEG C or so direct carbon heat to reduce energy consumption while iron in synthetical recovery ferric manganese ore
Reduction obtains solid metallic iron, but metallic iron granularity is minimum under this condition, and embedding cloth is dispersed in Mn oxide, in grinding process
Middle iron and manganese cannot be dissociated effectively, thus cause magnetic separation separating effect bad.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the shortcomings of to mention in background above technology and defect, provide one
The short manganese of the efficient of kind processing ferric manganese ore, cleaning, process, iron depth separation-extraction technology.
In order to solve the above technical problems, technical solution proposed by the present invention are as follows:
A kind of method of ferric manganese ore chlorination reduction roasting production manganese carbonate and iron powder, includes the steps that following:
S1. anhydrous magnesium chloride, anhydrous calcium chloride, carbonaceous reductant are uniformly mixed to obtain mixture, nothing with ferric manganese ore powder
Water calcium chloride dosage accounts for the 5%~25% of ferric manganese ore silty amount, and anhydrous magnesium chloride dosage is manganese element matter in ferric manganese ore powder
2~4 times of amount；
S2. mixture reduction roasting S1 obtained obtains reduzate after cooling；
S3. water is used to leach as solvent the reduzate that S2 is obtained, separation of solid and liquid obtains rich iron filter residue and filtrate；
S4. rich iron filter residue S3 obtained is through the isolated iron powder of magnetic separation；
S5. filtrate S3 obtained adds magnesium carbonate or the mineral containing magnesium carbonate to carry out heavy manganese after except iron, is separated by solid-liquid separation
To manganese carbonate.
Further, the solution that S5 is separated by solid-liquid separation is concentrated, crystallize, regeneration obtains the mixing of magnesium chloride and calcium chloride
Object returns to S1 and mixes with ferric manganese ore powder.
Further, Materials Absolute magnesium chloride, anhydrous calcium chloride, carbonaceous reductant and the ferric manganese ore in S1 are through broken
It is broken, be ground to -0.15mm and account for 80% or more.
Further, carbonaceous reductant described in S1 is one of anthracite, bituminous coal, lignite, coke and graphite or any
Combination.
Further, the additive amount of carbonaceous reductant need to guarantee iron and manganese enough by the oxidation state in ferric manganese ore in S1
It is reduced into metallic iron and bivalent manganese respectively.
Further, maturing temperature is 900-1100 DEG C in S2, and calcining time is 0.5-2 hours.
Further, magnetic separation is carried out after the grinding of richness iron filter residue described in S4, is ground to -0.045mm and accounts for 80% or more.
Further, magnesium carbonate mole contained by the magnesium carbonate mole that S5 is added or the mineral containing magnesium carbonate should be with filtrate
Middle MnCl2Mole it is equal.
Further, heavy manganese condition described in S5 are as follows: 30-80 DEG C of temperature, time 2-4 hour.
Further, iron content is 10-50wt% in the ferric manganese ore.
Chemical equation according to the present invention is as follows:
Fe2O3+ 3C=2Fe+3CO (1)
FeO+C=Fe+CO (2)
MnO2+ C=MnO+CO (3)
Mn2O3+ C=2MnO+CO (4)
MgCl2+ MnO=MnCl2+MgO (5)
2MgO+SiO2=Mg2SiO4 (6)
MnCl2+MgCO3=MnCO3+MgCl2 (7)
The principle of the present invention is summarized as follows:
There are two effects in reducing roasting process for additive anhydrous calcium chloride: (1) fused salt is formed in reducing roasting process
Phase promotes the surface of iron mass transfer to carbonaceous reductant particle in mineral grain to be then reduced to form iron granule, thus
It is greatly promoted the growth of iron granule, promotes subsequent dissociation, high-test metal iron powder can be obtained after magnetic separation；(2) with other chlorine
Compound forms fused salt congruent melting phase, reduces the volatilization of magnesium chloride, manganese chloride and other chlorides.Additive magnesium chloride is as chlorinating agent
By manganese oxide (MnO) chlorination at manganese chloride (as shown in reaction equation 5), wherein MnO is from reaction (3) and reaction (4).Instead
The magnesia for answering (5) to generate can continue to react with the siliceous gangue in ferric manganese ore mineral, such as react shown in (6).Chlorine
Change calcium, two kinds of additive synergistic effects of magnesium chloride achieve the effect that iron, the separation of manganese depth, output metal iron powder and water-soluble chlorine
Change manganese, obtains industrial grade manganese carbonate after heavy manganese.
Compared with the method for existing processing ferric manganese ore, the present invention has the advantage that
(1) present invention realizes the separation of iron under relatively lower temp, manganese and other mineral gangue phases, energy consumption compared with
It is low.
(2) the higher industrial grade manganese carbonate of purity and metal iron powder are directly obtained using the present invention, to realize high-speed rail
Manganese ore efficiently separating and comprehensively utilizing.
(3) magnesium chloride, calcium chloride used by can in process recycling utilization, thus remarkable in economical benefits.
The industrial grade manganese carbonate of present invention process production can be used as product sale, can also be used as the further deep processing of raw material,
Electrolytic manganese, electrolytic manganese dioxide, synthesis manganese dioxide or manufacture manganese salt are produced, prepares telecommunication equipment soft magnetic ferrite, desulfurization is urged
Agent etc. can be also used in fertilizer, medicine, machine components and phosphorating treatment field.The iron powder of present invention process production can be used as
Iron and steel smelting quality raw materials.
In conclusion the present invention has, process flow is short, low raw-material cost, low energy consumption, environmental-friendly, while can reach
To the synthetical recovery of manganese, iron in ferric manganese ore, high value-added product is prepared, is suitble to the exploitation and application of ferric manganese ore.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the ferric manganese ore chlorination reduction roasting production manganese carbonate and metal iron powder of one specific embodiment of the present invention
Method process flow chart；
Fig. 2 is the electron-microscopic analysis detection figure of embodiment 1.
Specific embodiment
To facilitate the understanding of the present invention, the present invention is done below in conjunction with Figure of description and preferred embodiment more complete
Face meticulously describes, but protection scope of the present invention is not limited to following specific embodiments.
Unless otherwise defined, all technical terms used hereinafter are generally understood meaning phase with those skilled in the art
Together.Technical term used herein is intended merely to the purpose of description specific embodiment, and it is of the invention to be not intended to limitation
Protection scope.
The method of ferric manganese ore chlorination reduction roasting the production manganese carbonate and iron powder of one specific embodiment of the present invention, stream
Journey such as Fig. 1, comprising the following steps:
(1) ferric manganese ore and carbonaceous reductant are crushed respectively, are ground to -0.15mm and account for 80% or more, obtain fine grinding mine
With powdery carbonaceous reductant.Carbonaceous reductant can be one or more of anthracite, bituminous coal, lignite, coke, graphite.
(2) additive anhydrous magnesium chloride, anhydrous calcium chloride are ground to -0.15mm and account for 80% or more, obtain powdery addition
Agent.
(3) by after the grinding additive and powdery carbonaceous reductant be proportionally added into the fine grinding mine, mixing is equal
It is even to obtain mixture.
The additive amount of powdery carbonaceous reductant need to guarantee wherein to fix carbon content enough by the oxidation state in ferric manganese ore
Iron and manganese are reduced into metallic iron (Fe respectively0) and bivalent manganese (Mn2+), according to iron, manganese valence and content in ferric manganese ore according to
Chemical equation (1-4) calculates.
In a specific embodiment, additive anhydrous calcium chloride dosage accounts for the 5%~25% of fine grinding mineral amount, additive
Anhydrous magnesium chloride dosage is 2~4 times of manganese element quality in fine grinding mine.
(4) mixture is put into reduction kiln roasting, obtains reduzate after cooling.In a specific embodiment, it roasts
Burning temperature is 900-1100 DEG C, and calcining time is 0.5-2 hours.
(5) using reduzate it is broken after use water to leach as solvent, after rich iron filter residue is obtained by filtration and contain manganese, magnesium,
The filtrate of the chloride of calcium.
(6) by magnetic separation after the rich iron filter residue grinding, metal iron powder can be obtained.In a specific embodiment, Fu Tie
Filter residue is ground to -0.045mm and accounts for 80% or more.
(7) filtrate is obtained into manganese carbonate precipitating and richness except appropriate magnesium carbonate heavy manganese under agitation is added after iron
Collect the solution of magnesium chloride, calcium chloride, filtered solid is dried to obtain industrial grade manganese carbonate, concentrating filter liquor, crystallization, regeneration
The mixture of magnesium chloride and calcium chloride is obtained, return step makees additive recycling in (2).
Magnesium carbonate can be technical grade magnesium carbonate or high-quality magnesite etc..As shown in chemical equation (7), the carbonic acid of addition
Magnesium mole should be with MnCl in filtrate2Mole it is equal, to guarantee heavy manganese completely and guarantee the purity of the manganese carbonate generated.
In a specific embodiment, heavy manganese condition are as follows: 30-80 DEG C of temperature, time 2-4 hour.
The method of the present invention can handle the ferric manganese ore that iron content is 10-50wt%.
It is described in detail below by way of specific embodiment and comparative example.
Embodiment 1:
First by ferric manganese ore (TFe 32.0%, TMn 13.7%, SiO27.0%) crushing grinding is to 0.15mm or less；
Then it by 18% supplying graphite powder of manganese mineral powder mass percent as carbonaceous reductant, while being incorporated and pressing manganese mineral powder quality percentage
Than the anhydrous magnesium chloride and 20% anhydrous calcium chloride for 40%, 60min is heated at 1000 DEG C after mixing.Products therefrom after cooling
Use water as extraction 60min after broken, the leaching rate of manganese and iron is respectively 89.41% and 2.97%.Through electron microscopic
Mirror analysis detection (as shown in Figure 2), the iron not leached are present in leached mud in the form of metal iron powder, and iron powder average grain diameter is
0.1mm or so.By leached mud it is levigate after through magnetic separation high-grade iron powder can be obtained.Gained leachate is added after removing iron after water logging
The appropriate heavy manganese of magnesium carbonate, 180min is reacted under the conditions of 50 DEG C of temperature, obtains manganese carbonate product after filtration drying.Gained manganese carbonate
Product contains manganese 44.1%, is more than industrial carbonic acid manganese Grade A standard (HG/T 4203-2011).Filtrate is rich in magnesium chloride, calcium chloride
And the micro manganese chloride not precipitated, the chlorinating agent that front-end-of-line is restored as chlorination is returned after crystallized concentrating regenerative.Cause
This manganese is recycled in the form of industrial carbonic acid manganese product, the leaching rate (i.e. 89.41%) of manganese during overall recovery, that is, water logging.
Embodiment 2: first by ferric manganese ore (TFe 32.0%, TMn 13.7%, SiO27.0%) crushing grinding is extremely
0.15mm or less；Then it by 18% supplying graphite powder of manganese mineral powder mass percent as carbonaceous reductant, while being incorporated and pressing manganese
The anhydrous magnesium chloride and 20% anhydrous calcium chloride that powdered ore quality percentage is 40%, heat 30min at 1000 DEG C after mixing.It is cold
But use water as extraction 60min after products therefrom is broken after, the leaching rate of manganese and iron is respectively 71.52% He
2.28%.It is detected through electron-microscopic analysis, the iron not leached is present in leached mud in the form of metal iron powder, and iron powder is averaged grain
Diameter is 0.1mm or so.By leached mud it is levigate after through magnetic separation high-grade iron powder can be obtained.Gained leachate is except after iron after water logging
The heavy manganese of appropriate magnesium carbonate is added, 180min is reacted under the conditions of 50 DEG C of temperature, industrial grade manganese carbonate product is obtained after filtration drying.
Filtrate is rich in magnesium chloride, calcium chloride and the micro manganese chloride not precipitated, returns to front-end-of-line after crystallized concentrating regenerative and makees
For the chlorinating agent of chlorination reduction.The overall recovery of manganese is 71.52%.
Embodiment 3: first by ferric manganese ore (TFe 23.7%, TMn 21.0%, SiO25.3%) crushing grinding is extremely
0.15mm or less；Then it by 15% supplying coke blacking of manganese mineral powder mass percent as carbonaceous reductant, while being incorporated and pressing manganese
The anhydrous magnesium chloride and 5% anhydrous calcium chloride that powdered ore quality percentage is 50%, heat 120min at 900 DEG C after mixing.It is cold
But use water as extraction 60min after products therefrom is broken after, the leaching rate of manganese and iron is respectively 92.37% He
3.49%.It is detected through electron-microscopic analysis, the iron not leached is present in leached mud in the form of metal iron powder, and iron powder is averaged grain
Diameter is 0.1mm or so.By leached mud it is levigate after through magnetic separation high-grade iron powder can be obtained.Gained leachate is except after iron after water logging
The heavy manganese of appropriate magnesium carbonate is added, 240min is reacted under the conditions of 30 DEG C of temperature, industrial grade manganese carbonate product is obtained after filtration drying.
Filtrate is rich in magnesium chloride, calcium chloride and the micro manganese chloride not precipitated, returns to front-end-of-line after crystallized concentrating regenerative and makees
For the chlorinating agent of chlorination reduction.The overall recovery of manganese is 92.37%.
Additive calcium chloride is not used in comparative example 1:()
First by ferric manganese ore (TFe 32.0%, TMn 13.7%, SiO27.0%) crushing grinding is to 0.15mm or less；
Then by 18% supplying graphite powder of manganese mineral powder mass percent as carbonaceous reductant, while it being incorporated 40% anhydrous magnesium chloride,
60min is heated at 1000 DEG C after mixing.Use water as extraction 60min, manganese and iron after products therefrom is broken after cooling
Leaching rate be respectively 96.00% and 7.04%, wherein 28% manganese and 7% iron volatilize reactor in the form of chloride
And it is condensed out in low-temperature space.It is detected through electron-microscopic analysis, the iron not leached is present in leached mud in the form of metal iron powder
In, iron powder average grain diameter is 0.1mm or so.By leached mud it is levigate after through magnetic separation high-grade iron powder can be obtained.Institute after water logging
Leachate is obtained except the heavy manganese of appropriate magnesium carbonate is added after iron, 180min is reacted under the conditions of 50 DEG C of temperature, obtains carbon after filtration drying
Sour manganese product；Filtrate is rich in magnesium chloride, and the chlorinating agent that front-end-of-line is restored as chlorination is returned after crystallized concentrating regenerative.
Additive calcium chloride, magnesium chloride is not used in comparative example 2:()
First by ferric manganese ore (TFe 32.0%, TMn 13.7%, SiO27.0%) crushing grinding is to 0.15mm or less；
Then it is heated at 1000 DEG C after mixing by 18% supplying graphite powder of manganese mineral powder mass percent as carbonaceous reductant
60min.X-ray diffraction analysis is carried out to products obtained therefrom after cooling, main object is mutually ferrous oxide FeO, manganese iron axinite
(FeO)0.2(MnO)0.8With remaining graphite, the presence of metallic iron is not detected；Analysis detection under an electron microscope, it is seen that only
There is the generation of trace meter iron powder, partial size is in 0.02mm or less.As can be seen that be not used additive under the conditions of reduction effect very
Difference, and the iron granule partial size generated is minimum.
Additive magnesium chloride is not used in comparative example 3:()
First by ferric manganese ore (TFe 32.0%, TMn 13.7%, SiO27.0%) crushing grinding is to 0.15mm or less；
Then by 18% supplying graphite powder of manganese mineral powder mass percent as carbonaceous reductant, while it being incorporated 20% anhydrous calcium chloride,
120min is heated at 1000 DEG C after mixing.Use water as extraction 60min, manganese and iron after products therefrom is broken after cooling
Leaching rate be respectively 12.78% and 0.54%.It is detected through electron microscope and X-ray diffraction analysis, the iron not leached is with gold
Belong to iron powder form to be present in leached mud, iron powder average grain diameter is 0.1mm or so, and the manganese not leached is mainly with CaMn (SiO2)2Shape
Formula is present in leached mud.When can be seen that only with anhydrous calcium chloride as additive, although can achieve higher iron also
Former rate, and the biggish iron granule of partial size is produced, but manganese fails effectively to be chlorinated.
By above data as it can be seen that additive (magnesium chloride, calcium chloride) of the invention is greatly promoted in reduction process
The reduction of iron in manganese ore generates the biggish iron granule for being easy to subsequent magnetic separation separation of granularity, simultaneously effective by high ferrimanganic
Selectively chlorination generates water-soluble manganese chloride to manganese in mine.
Above-mentioned only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form.Therefore, it is all not
Be detached from technical solution of the present invention content, according to the present invention technical spirit it is made to the above embodiment it is any it is simple modification, etc.
With variation and modification, all shall fall within the protection scope of the technical scheme of the invention.
Claims (10)
1. a kind of method of ferric manganese ore chlorination reduction roasting production manganese carbonate and iron powder, which is characterized in that including following steps
It is rapid:
S1. anhydrous magnesium chloride, anhydrous calcium chloride, carbonaceous reductant are uniformly mixed to obtain mixture, anhydrous chlorine with ferric manganese ore powder
Change calcium dosage and account for the 5%~25% of ferric manganese ore silty amount, anhydrous magnesium chloride dosage is 2 of manganese element quality in ferric manganese ore powder
~4 times；
S2. mixture reduction roasting S1 obtained obtains reduzate after cooling；
S3. water is used to leach as solvent the reduzate that S2 is obtained, separation of solid and liquid obtains rich iron filter residue and filtrate；
S4. rich iron filter residue S3 obtained is through the isolated iron powder of magnetic separation；
S5. filtrate S3 obtained adds magnesium carbonate or the mineral containing magnesium carbonate to carry out heavy manganese after except iron, and separation of solid and liquid obtains carbon
Sour manganese.
2. the method for ferric manganese ore chlorination reduction roasting production manganese carbonate and iron powder according to claim 1, feature exist
In the solution that S5 is separated by solid-liquid separation is concentrated, crystallize, regeneration obtains the mixture of magnesium chloride and calcium chloride, returns to S1 and height
The mixing of ferrimanganic miberal powder.
3. the method for ferric manganese ore chlorination reduction roasting production manganese carbonate and iron powder according to claim 1 or 2, feature
It is, Materials Absolute magnesium chloride, anhydrous calcium chloride, carbonaceous reductant and the ferric manganese ore in S1 be crushed, be ground to-
0.15mm accounts for 80% or more.
4. the method for ferric manganese ore chlorination reduction roasting production manganese carbonate and iron powder according to claim 1, feature exist
In carbonaceous reductant described in S1 is one of anthracite, bituminous coal, lignite, coke and graphite or any combination.
5. the method for ferric manganese ore chlorination reduction roasting production manganese carbonate and iron powder according to claim 1 or 4, feature
It is, the additive amount of carbonaceous reductant need to guarantee that the iron of the oxidation state in ferric manganese ore and manganese are reduced into gold respectively enough in S1
Belong to iron and bivalent manganese.
6. the method for ferric manganese ore chlorination reduction roasting production manganese carbonate and iron powder according to claim 1 or 2, feature
It is, maturing temperature is 900-1100 DEG C in S2, and calcining time is 0.5-2 hours.
7. the method for ferric manganese ore chlorination reduction roasting production manganese carbonate and iron powder according to claim 1 or 2, feature
It is, carries out magnetic separation after the grinding of richness iron filter residue described in S4, be ground to -0.045mm and account for 80% or more.
8. the method for ferric manganese ore chlorination reduction roasting production manganese carbonate and iron powder according to claim 1, feature exist
In magnesium carbonate mole contained by the magnesium carbonate mole that S5 is added or the mineral containing magnesium carbonate should be with MnCl in filtrate2Mole
It measures equal.
9. the method for ferric manganese ore chlorination reduction roasting production manganese carbonate and iron powder according to claim 1 or 8, feature
It is, heavy manganese condition described in S5 are as follows: 30-80 DEG C of temperature, time 2-4 hour.
10. the method for ferric manganese ore chlorination reduction roasting production manganese carbonate and iron powder according to claim 1 or 2, special
Sign is that iron content is 10-50wt% in the ferric manganese ore.
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| CN113088827A (en) * | 2021-03-02 | 2021-07-09 | 安徽绿能技术研究院有限公司 | Production and manufacturing process of iron alloy material |
| CN113387390A (en) * | 2021-08-17 | 2021-09-14 | 赛恩斯环保股份有限公司 | Manganese slag and calcium chloride waste slag recycling method |
| CN113694590A (en) * | 2021-08-24 | 2021-11-26 | 云南玉溪玉昆钢铁集团有限公司 | Steelmaking waste residue sediment thick liquid processing system |
| CN113735179A (en) * | 2021-08-24 | 2021-12-03 | 广西锰华新能源科技发展有限公司 | Method for preparing high-purity ferric sulfate by using ferro-manganese |
| CN115961138A (en) * | 2022-12-30 | 2023-04-14 | 中国科学院江西稀土研究院 | Regenerated magnetic powder, method for preparing regenerated magnetic powder by chlorination-reduction diffusion combined method and application thereof |
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| CN112079369A (en) * | 2020-09-21 | 2020-12-15 | 矿冶科技集团有限公司 | Method for preferentially extracting lithium and cooperatively recovering manganese from waste lithium ion battery |
| CN112079369B (en) * | 2020-09-21 | 2022-08-09 | 矿冶科技集团有限公司 | Method for preferentially extracting lithium and cooperatively recovering manganese from waste lithium ion battery |
| CN113088827A (en) * | 2021-03-02 | 2021-07-09 | 安徽绿能技术研究院有限公司 | Production and manufacturing process of iron alloy material |
| CN113387390A (en) * | 2021-08-17 | 2021-09-14 | 赛恩斯环保股份有限公司 | Manganese slag and calcium chloride waste slag recycling method |
| CN113694590A (en) * | 2021-08-24 | 2021-11-26 | 云南玉溪玉昆钢铁集团有限公司 | Steelmaking waste residue sediment thick liquid processing system |
| CN113735179A (en) * | 2021-08-24 | 2021-12-03 | 广西锰华新能源科技发展有限公司 | Method for preparing high-purity ferric sulfate by using ferro-manganese |
| CN115961138A (en) * | 2022-12-30 | 2023-04-14 | 中国科学院江西稀土研究院 | Regenerated magnetic powder, method for preparing regenerated magnetic powder by chlorination-reduction diffusion combined method and application thereof |
| CN115961138B (en) * | 2022-12-30 | 2023-07-25 | 中国科学院江西稀土研究院 | Regenerated magnetic powder, method for preparing regenerated magnetic powder by chloridizing-reducing diffusion combination method and application thereof |
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