CN109735700A - A kind of method that microwave reducing roasting-sulfuric acid leaching recycles copper and zinc deposit in Bellamya aeruginosa - Google Patents
A kind of method that microwave reducing roasting-sulfuric acid leaching recycles copper and zinc deposit in Bellamya aeruginosa Download PDFInfo
- Publication number
- CN109735700A CN109735700A CN201910188418.2A CN201910188418A CN109735700A CN 109735700 A CN109735700 A CN 109735700A CN 201910188418 A CN201910188418 A CN 201910188418A CN 109735700 A CN109735700 A CN 109735700A
- Authority
- CN
- China
- Prior art keywords
- zinc
- copper
- sulfuric acid
- bellamya aeruginosa
- acid leaching
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses the methods of copper and zinc deposit in a kind of microwave reducing roasting-sulfuric acid leaching recycling Bellamya aeruginosa, belong to metallic element recovery technology field.The method of copper and zinc deposit in microwave reducing roasting of the invention-sulfuric acid leaching recycling Bellamya aeruginosa, comprising the following steps: microwave reducing roasting, sulfuric acid leaching copper zinc, the electrolytic deposition of zinc dust precipitation and zinc sulfate.The present invention can effectively improve the leaching rate of copper and zinc deposit in Bellamya aeruginosa using microwave reducing roasting-sulfuric acid leaching technique, and leaching rate may be up to 95%, and acid consumption and energy consumption is effectively reduced, and production cost is relatively low, meets the demand of China's expanding economy.
Description
Technical field
The invention belongs to metallic element recovery technology fields, soak more specifically to a kind of microwave reducing roasting-sulfuric acid
The method of copper and zinc deposit in Bellamya aeruginosa is recycled out.
Background technique
With the development and scientific and technological progress of human society, secondary nonferrous metal accounts for about 30% in non-ferrous metal total output.
Bellamya aeruginosa is that most Volatile Elements such as Zn, Pb etc. and a small amount of Cu are volatized into gas phase, through dust pelletizing system by melting
The part that the fume collection generated in journey gets off.Bellamya aeruginosa is generally canescence or dark white, fine size, and heap density is 0.25g/
cm3Left and right, bulk density 0.2-0.3, infusion pH3-3.5 have hygroscopicity, store easily agglomeration for a long time.Sulfonium is made in copper
In melting, accumulation of the Bellamya aeruginosa in dust pelletizing system will cause ventilation it is unsmooth, a large amount of Bellamya aeruginosa, which returns furnace, will lead to a system in furnace
Arrange pernicious result.Environment is also polluted again while will cause the wasting of resources containing the harmful element of significant proportion in Bellamya aeruginosa.Copper
Ingredient is extremely complex in cigarette ash, is the economic stimuli for recycling Bellamya aeruginosa most original containing a large amount of valuable metal elements.Copper cigarette
The reclaiming of valuable metal has great economical and environmentally friendly value in ash.
China is increasingly strict to the requirement of heavy industry in environmental protection, and pyrometallurgical smelting process energy consumption is high, environmental pollution compared with
Greatly, therefore downward trend has been presented in its ratio in copper production, and in comparison, wet type copper smelting technology is rapidly sent out in recent years
Exhibition.Scholars have conducted extensive research Bellamya aeruginosa extract technology in recent years, such as farmland on a plateau expands three, the permanent invention in temple mountain use
The method that blast furnace recycles copper, lead, zinc from ash of copper converter, this method are that ball is made in ash of copper converter addition adhesive
Group, then melting in smelting furnace is fitted into together with coke, flux, to obtain valuable metal, but Blast Furnace Method recycles Bellamya aeruginosa labor
Rotating ring border is poor, and the rate of recovery is low, and discharge flue gas is difficult to reach standard.The roots such as Fereshteh Bakhtiari, Hossein Atashi
Valuable element is refined using Bioleaching method according to the ingredient of Iranian Sarcheshmeh copper smelting plant Bellamya aeruginosa.He Zhusheng, Xing Xin are talked
It etc. having studied by the more excellent process conditions that coppe ferrite is converted into copper sulphate is directly used with strong sulfuric acid response, sulfuric acid using dry calcining
Amount excessive 20%, acid consumption is higher.
For another example, the application case that Chinese Patent Application No. is 201510494775.3 discloses a kind of processing of smelting furnace cigarette ash
Method, this application is the following steps are included: (1) reduction roasting；(2) hyperbaric oxygen soaks；(3) recycling of lead；(4) recycling of copper；(5)
The recycling of zinc can effectively recycle lead, copper, the zinc in smelting furnace cigarette ash using the processing method of this application, but its
Treatment process is relative complex, and needs to carry out hyperbaric oxygen leaching processing.
Summary of the invention
1. technical problems to be solved by the inivention
When being recycled in the prior art to the copper and zinc deposit in Bellamya aeruginosa it is an object of the invention to overcome, copper, zinc member
The rate of recovery of element is relatively low, the sour higher deficiency of consumption energy consumption, provides a kind of microwave reducing roasting-sulfuric acid leaching recycling copper cigarette
The method of copper and zinc deposit in ash.The present invention can effectively improve copper in Bellamya aeruginosa using microwave reducing roasting-sulfuric acid leaching technique
The leaching rate of Zn-ef ficiency, and be effectively reduced acid consumption and energy consumption, production cost it is relatively low.
2. technical solution
In order to achieve the above objectives, technical solution provided by the invention are as follows:
The method of copper and zinc deposit in a kind of microwave reducing roasting of the invention-sulfuric acid leaching recycling Bellamya aeruginosa, including it is following
Step:
Step 1: microwave reducing roasting
Bellamya aeruginosa and carbon mixed grinding are placed under microwave condition and carry out reduction roasting；
Step 2: sulfuric acid leaching copper zinc
Leaching process is carried out to obtained reduction roasting product using sulfuric acid solution, through leachate and leaching is obtained by filtration
Slag；
Step 3: the electrolytic deposition of zinc dust precipitation and zinc sulfate
Zinc powder is added into gained leachate and carries out displacement reaction, obtains spongy copper powder product, reaction to be replaced terminates
After be separated by solid-liquid separation, gained filtrate produces to obtain yin product zinc product through electrolytic deposition.
Further, the granularity of Bellamya aeruginosa is 225-500 mesh after grinding in the step 1, and roasting phosphorus content is copper cigarette
The 5~20% of grey total amount.
Further, the maturing temperature in the step 1 is 600~1000 DEG C, and calcining time is 0.5~4 hour.
Further, the concentration of sulfuric acid solution used is 1~7mol/L in the step 2, and leachings liquid-solid ratio is 5:1
~30:1.
Further, carry out leaching process in the step 2 under water bath condition, and water-bath extraction temperature be 40~
80 DEG C, extraction time is 0.5~2h.
Further, zinc dust precipitation reaction temperature is 40~90 DEG C in the step 3, and the reaction time is 0.5~2h.
Further, zinc powder particle size used is 80-120 mesh in the step 3.
Further, the initial pH value of reaction solution is 2.0~5.0 when zinc dust precipitation reacts.
3. beneficial effect
Using technical solution provided by the invention, compared with prior art, there is following remarkable result:
(1) method that a kind of microwave reducing roasting of the invention-sulfuric acid leaching recycles copper and zinc deposit in Bellamya aeruginosa, by right
Bellamya aeruginosa carries out preparatory microwave carbon thermal reduction roasting, then carries out sulfuric acid leaching processing again, so as to which copper zinc member is effectively reduced
The leaching difficulty of element improves the leaching rate of copper and zinc deposit, and acid consumption and energy consumption can also be effectively reduced using this method, favorably
In reducing cost recovery, pollute low.
(2) method that a kind of microwave reducing roasting of the invention-sulfuric acid leaching recycles copper and zinc deposit in Bellamya aeruginosa, by adopting
Reduction roasting is carried out with microwave heating, the one side microwave heating property of can choose heated material, heating rate is fast, heating efficiency
Height, and then can reduce the technological temperature of roasting reduction copper weld pool cigarette ash, burning time, reach energy saving, reduction is produced into
This purpose；On the other hand it can make the chemical bond in molecular structure that vibration and rotation occur by the effect of microwave, make chemistry
Key weakens, and destroys the structure of zinc ferrite, coppe ferrite, reduces the difficulty of subsequent leaching, and then is conducive to improve copper and zinc deposit
Leaching rate.
(3) method that a kind of microwave reducing roasting of the invention-sulfuric acid leaching recycles copper and zinc deposit in Bellamya aeruginosa, by right
Each technological parameter, especially to the temperature of microwave heating, the granularity of Bellamya aeruginosa, sulfuric acid concentration, extraction temperature, extraction time and liquid
Gu ratio optimizes, so as to be further ensured that the leaching rate of copper, Zn-ef ficiency and leach purity, and its leaching rate
Comparatively fast.
Detailed description of the invention
Fig. 1 is flow chart of the invention.
Specific embodiment
Coppe ferrite, zinc ferrite are highly stable in Bellamya aeruginosa, most of acid and alkali media are not dissolved in, thus to wet-leaching
Process causes a serious problem, it usually needs the leaching rate of copper, zinc, energy consumption and acid are improved using high temperature and highly acidity
Consume relatively high, and the rate of recovery of copper and zinc receives larger limitation in Bellamya aeruginosa, and the rate of recovery of especially copper is relatively low.Needle
To problem above, the application is using copper weld pool cigarette ash as research object, in analytical element composition, valuable metal Forms of Existence of Elements
On the basis of, the method leached using heating water bath under microwave reducing roasting and condition of normal pressure, so as to effectively improve copper, zinc
Leaching rate, while having the advantages that acid consumes and low energy consumption, extraction time is short.
Specifically, the present invention by under microwave action to Bellamya aeruginosa carry out carbon thermal reduction roasting, and to maturing temperature, when
Between and mixed carbon comtent optimize, so as to effectively destroy the structure of coppe ferrite in Bellamya aeruginosa, zinc ferrite, substantially reduce
The difficulty of subsequent leaching, and then advantageously ensure that the leaching rate of copper, zinc, especially effectively increase the leaching of copper in Bellamya aeruginosa
Rate.In addition, the present invention can make the quick homogeneous heating of Bellamya aeruginosa by using microwave heating, roasting reduction copper weld pool cigarette ash is reduced
Technological temperature and burning time, low energy consumption, to recycle valuable metal not only promotes secondary money without additional fuel
The utilization in source, and environmental pollution is small, and low energy consumption, and production cost is low, meets the demand of China's expanding economy.Therefore, with
Traditional reduction roasting is compared, present invention selection microwave reducing roasting-sulfuric acid leaching is high with leaching rate, acid consumes and low energy consumption,
The advantages that extraction time is short.
Simultaneously, it should be noted that the ginseng such as granularity, sulfuric acid concentration, extraction temperature, extraction time and liquid-solid ratio of Bellamya aeruginosa
Several selections has larger impact for the leaching rate of copper in Bellamya aeruginosa, zinc.Applicant by many experiments to the above parameter into
Row optimization design, so as to improve institute on the basis of guarantee copper, zinc leaching rate, the leaching rate for especially significantly improving copper
The purity of copper, zinc is obtained, and leaching rate is very fast.Wherein, when sulfuric acid concentration is 1~7mol/L, extraction temperature is 298k-353k model
When enclosing, the leaching rate of copper and zinc in Bellamya aeruginosa all increases as the temperature rises, and leaching rate is all very fast, within 10min
The leaching rate of copper just reaches 50% or more, when temperature is 353k, the leaching rate of 10 minutes or so Zn nearly 60%.
To further appreciate that the contents of the present invention, now in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment 1
In conjunction with Fig. 1, the side of copper and zinc deposit in a kind of microwave reducing roasting-sulfuric acid leaching recycling Bellamya aeruginosa of the present embodiment
Method, comprising the following steps:
Step 1: microwave reducing roasting:
By Bellamya aeruginosa and carbon mixed grinding 5 minutes of Bellamya aeruginosa total amount 10%, it is then placed in carbon thermal reduction in micro-wave oven and roasts
It burns 2 hours, 750 DEG C of maturing temperature.
Step 2: sulfuric acid leaching copper zinc:
Leaching carries out in the three Kong Shao bottle of 500ml, using heating water bath, opens water-bath setting predetermined temperature and carries out in advance
Three hole flasks are placed in thermostat water bath by heat, and the sulfuric acid being already equipped with is added to three holes by certain liquid-solid ratio and is burnt
In bottle, electric mixer is connected, when electric thermo-couple temperature, which is shown, reaches experiment required temperature, pours into load weighted copper rapidly
Cigarette ash (5g), opens blender, and observation electric thermo-couple temperature variation starts calculating reacting time.Cooling dilution is anti-after experiment
Liquid is answered, using vacuum filtration machine filtering, leached mud is put into drying box, and the quality of sediment is measured after drying.The present embodiment
Leaching condition: Bellamya aeruginosa granularity 325-400 mesh, sulfuric acid concentration 5mol/L, liquid-solid ratio: 10:1,80 DEG C of temperature, extraction time 2h.
Step 3: the electrolytic deposition of zinc dust precipitation and zinc sulfate:
During zinc dust precipitation, zinc powder particle size 80-120 mesh, reaction time 1h, reaction temperature is 50 DEG C, at the beginning of feed liquid
Beginning pH value is 2.0, and using metallochemistry performance, zinc displacement copper sulphate obtains spongy copper powder product.It is to be replaced after reaction
It is separated by solid-liquid separation, gained filtrate component is mainly solution of zinc sulfate, and filtrate is sent to electrolytic deposition production yin product zinc product.Through
The leaching rate for testing copper in the present embodiment is 95%, and the leaching rate of zinc is 96%.
Embodiment 2
The method of copper and zinc deposit in a kind of microwave reducing roasting of the present embodiment-sulfuric acid leaching recycling Bellamya aeruginosa, including with
Lower step:
Step 1: microwave reducing roasting:
By Bellamya aeruginosa and carbon mixed grinding 8 minutes of Bellamya aeruginosa total amount 5%, it is then placed in carbon thermal reduction in micro-wave oven and roasts
0.5 hour, 900 DEG C of maturing temperature.
Step 2: sulfuric acid leaching copper zinc:
Leaching carries out in the three Kong Shao bottle of 500ml, using heating water bath, opens water-bath setting predetermined temperature and carries out in advance
Three hole flasks are placed in thermostat water bath by heat, and the sulfuric acid being already equipped with is added to three holes by certain liquid-solid ratio and is burnt
In bottle, electric mixer is connected, when electric thermo-couple temperature, which is shown, reaches experiment required temperature, pours into load weighted copper rapidly
Cigarette ash (5g), opens blender, and observation electric thermo-couple temperature variation starts calculating reacting time.Cooling dilution is anti-after experiment
Liquid is answered, using vacuum filtration machine filtering, leached mud is put into drying box, and the quality of sediment is measured after drying.In the present embodiment
The leaching condition of copper zinc: Bellamya aeruginosa granularity 325-400 mesh, sulfuric acid concentration 1mol/L, liquid-solid ratio: 5:1, temperature 70 C, when leaching
Between 1.5h.
Step 3: the electrolytic deposition of zinc dust precipitation and zinc sulfate:
During zinc dust precipitation, zinc powder particle size 80-120 mesh, reaction time 2h, reaction temperature is 90 DEG C, at the beginning of feed liquid
Beginning pH value is 3.0, and using metallochemistry performance, zinc displacement copper sulphate obtains spongy copper powder product, it is to be replaced after reaction
It is separated by solid-liquid separation.It is mainly solution of zinc sulfate by gained filtrate component, filtrate is sent into electrolytic deposition production yin product zinc product.
The leaching rate of copper is 92% in the present embodiment after tested, and the leaching rate of zinc is 95%.
Embodiment 3
The method of copper and zinc deposit in a kind of microwave reducing roasting of the present embodiment-sulfuric acid leaching recycling Bellamya aeruginosa, including with
Lower step:
Step 1: microwave reducing roasting:
By Bellamya aeruginosa and carbon mixed grinding 10 minutes of Bellamya aeruginosa total amount 20%, it is then placed in carbon thermal reduction in micro-wave oven and roasts
It burns 4 hours, 600 DEG C of maturing temperature.
Step 2: sulfuric acid leaching copper zinc:
Leaching carries out in the three Kong Shao bottle of 500ml, using heating water bath, opens water-bath setting predetermined temperature and carries out in advance
Three hole flasks are placed in thermostat water bath by heat, and the sulfuric acid being already equipped with is added to three holes by certain liquid-solid ratio and is burnt
In bottle, electric mixer is connected, when electric thermo-couple temperature, which is shown, reaches experiment required temperature, pours into load weighted copper rapidly
Cigarette ash (5g), opens blender, and observation electric thermo-couple temperature variation starts calculating reacting time.Cooling dilution is anti-after experiment
Liquid is answered, using vacuum filtration machine filtering, leached mud is put into drying box, and the quality of sediment is measured after drying.In the present embodiment
The leaching condition of copper zinc: Bellamya aeruginosa granularity 225-325 mesh, sulfuric acid concentration 7mol/L, liquid-solid ratio: 30:1,80 DEG C of temperature, when leaching
Between 0.5h.
Step 3: the electrolytic deposition of zinc dust precipitation and zinc sulfate:
During zinc dust precipitation, zinc powder particle size 80-120 mesh, reaction time 0.5h, reaction temperature is 40 DEG C, feed liquid
Initial pH value is 5.0, and using metallochemistry performance, zinc displacement copper sulphate obtains spongy copper powder product, and reaction to be replaced terminates
After be separated by solid-liquid separation.It is mainly solution of zinc sulfate by gained filtrate component, filtrate is sent into electrolytic deposition production yin product zinc and is produced
Product.The leaching rate of copper is 92% in the present embodiment after tested, and the leaching rate of zinc is 95%.
Embodiment 4
The method of copper and zinc deposit in a kind of microwave reducing roasting of the present embodiment-sulfuric acid leaching recycling Bellamya aeruginosa, including with
Lower step:
Step 1: microwave reducing roasting:
By Bellamya aeruginosa and carbon mixed grinding 5 minutes of Bellamya aeruginosa total amount 10%, it is then placed in carbon thermal reduction in micro-wave oven and roasts
It burns 3 hours, 1000 DEG C of maturing temperature.
Step 2: sulfuric acid leaching copper zinc:
Leaching carries out in the three Kong Shao bottle of 500ml, using heating water bath, opens water-bath setting predetermined temperature and carries out in advance
Three hole flasks are placed in thermostat water bath by heat, and the sulfuric acid being already equipped with is added to three holes by certain liquid-solid ratio and is burnt
In bottle, electric mixer is connected, when electric thermo-couple temperature, which is shown, reaches experiment required temperature, pours into load weighted copper rapidly
Cigarette ash (5g), opens blender, and observation electric thermo-couple temperature variation starts calculating reacting time.Cooling dilution is anti-after experiment
Liquid is answered, using vacuum filtration machine filtering, leached mud is put into drying box, and the quality of sediment is measured after drying.In the present embodiment
The leaching condition of copper zinc: Bellamya aeruginosa granularity 400-500 mesh, sulfuric acid concentration 5mol/L, liquid-solid ratio: 15:1, temperature 60 C, when leaching
Between 1.5h, calculate the leaching rate of each element.
Step 3: the electrolytic deposition of zinc dust precipitation and zinc sulfate:
During zinc dust precipitation, zinc powder particle size 80-120 mesh, reaction time 0.8h, reaction temperature is 70 DEG C, feed liquid
Initial pH value is 4.0, and using metallochemistry performance, zinc displacement copper sulphate obtains spongy copper powder product, and reaction to be replaced terminates
After be separated by solid-liquid separation.It is mainly solution of zinc sulfate by gained filtrate component, filtrate is sent into electrolytic deposition production yin product zinc and is produced
Product.The leaching rate of copper is 92% in the present embodiment after tested, and the leaching rate of zinc is 93%.
Implementation case 5
The method of copper and zinc deposit in a kind of microwave reducing roasting of the present embodiment-sulfuric acid leaching recycling Bellamya aeruginosa, including with
Lower step:
Step 1: microwave reducing roasting:
By Bellamya aeruginosa and carbon mixed grinding 6 minutes of Bellamya aeruginosa total amount 10%, it is then placed in carbon thermal reduction in micro-wave oven and roasts
It burns 2 hours, 750 DEG C of maturing temperature.
Step 2: sulfuric acid leaching copper zinc:
Leaching carries out in the three Kong Shao bottle of 500ml, using heating water bath, opens water-bath setting predetermined temperature and carries out in advance
Three hole flasks are placed in thermostat water bath by heat, and the sulfuric acid being already equipped with is added to three holes by certain liquid-solid ratio and is burnt
In bottle, electric mixer is connected, when electric thermo-couple temperature, which is shown, reaches experiment required temperature, pours into load weighted copper rapidly
Cigarette ash (5g), opens blender, and observation electric thermo-couple temperature variation starts calculating reacting time.Cooling dilution is anti-after experiment
Liquid is answered, using vacuum filtration machine filtering, leached mud is put into drying box, and the quality of sediment is measured after drying.In the present embodiment
The leaching condition of copper zinc: Bellamya aeruginosa granularity 325-400 mesh, sulfuric acid concentration 5mol/L, liquid-solid ratio: 10:1,40 DEG C of temperature, when leaching
Between 2h.
Step 3: the electrolytic deposition of zinc dust precipitation and zinc sulfate:
During zinc dust precipitation, zinc powder particle size 80-120 mesh, reaction time 1h, reaction temperature is 55 DEG C, at the beginning of feed liquid
Beginning pH value is 3.0, and using metallochemistry performance, zinc displacement copper sulphate obtains spongy copper powder product, it is to be replaced after reaction
It is separated by solid-liquid separation.It is mainly solution of zinc sulfate by gained filtrate component, filtrate is sent into electrolytic deposition production yin product zinc product.
The leaching rate of copper is 94% in the present embodiment after tested, and the leaching rate of zinc is 95%.
Comparative example
The method of copper and zinc deposit in a kind of microwave reducing roasting of this comparative example-sulfuric acid leaching recycling Bellamya aeruginosa, including with
Lower step:
Step 1: reduction roasting:
Bellamya aeruginosa and carbon mixed grinding 5 minute of Bellamya aeruginosa total amount 10% are then placed in crucible in well formula crucible furnace
Middle carbon thermal reduction roasts 2 hours, 750 DEG C of maturing temperature.
Step 2: sulfuric acid leaching copper zinc:
Leaching carries out in the three Kong Shao bottle of 500ml, using heating water bath, opens water-bath setting predetermined temperature and carries out in advance
Three hole flasks are placed in thermostat water bath by heat, and the sulfuric acid being already equipped with is added to three holes by certain liquid-solid ratio and is burnt
In bottle, electric mixer is connected, when electric thermo-couple temperature, which is shown, reaches experiment required temperature, pours into load weighted copper rapidly
Cigarette ash (5g), opens blender, and observation electric thermo-couple temperature variation starts calculating reacting time.Cooling dilution is anti-after experiment
Liquid is answered, using vacuum filtration machine filtering, leached mud is put into drying box, and the quality of sediment is measured after drying.In this comparative example
The leaching condition of copper zinc: Bellamya aeruginosa granularity 325-400 mesh, sulfuric acid concentration 5mol/L, liquid-solid ratio: 10:1,80 DEG C of extraction temperature, leaching
Time 2h out.
Step 3: the electrolytic deposition of zinc dust precipitation and zinc sulfate:
During zinc dust precipitation, zinc powder particle size 80-120 mesh, reaction time 1h, reaction temperature is 50 DEG C, at the beginning of feed liquid
Beginning pH value is 2.0, and using metallochemistry performance, zinc displacement copper sulphate obtains spongy copper powder product, it is to be replaced after reaction
It is separated by solid-liquid separation.It is mainly solution of zinc sulfate by gained filtrate component, filtrate is sent into electrolytic deposition production yin product zinc product.
The leaching rate of copper is 83% in this comparative example after tested, and the leaching rate of zinc is 90%.
1-5 and comparative example can be seen that by using microwave reducing roasting-sulfuric acid leaching of the invention in conjunction with the embodiments
Technique can effectively improve the rate of recovery of copper in Bellamya aeruginosa, Zn-ef ficiency, especially significantly improve the leaching rate of copper, overcomes existing
The more difficult recycling of copper in technology in Bellamya aeruginosa, the lower deficiency of the rate of recovery.
Claims (9)
1. the method for copper and zinc deposit in a kind of microwave reducing roasting-sulfuric acid leaching recycling Bellamya aeruginosa, which is characterized in that including following
Step:
Step 1: microwave reducing roasting
Bellamya aeruginosa and carbon mixed grinding are placed under microwave condition and carry out reduction roasting；
Step 2: sulfuric acid leaching copper zinc
Leaching process is carried out to obtained reduction roasting product using sulfuric acid solution, through leachate and leached mud is obtained by filtration；
Step 3: the electrolytic deposition of zinc dust precipitation and zinc sulfate
Zinc powder is added into gained leachate and carries out displacement reaction, obtains spongy copper powder product, it is to be replaced after reaction into
Row is separated by solid-liquid separation, and gained filtrate produces to obtain yin product zinc product through electrolytic deposition.
2. the method for copper and zinc deposit in a kind of microwave reducing roasting according to claim 1-sulfuric acid leaching recycling Bellamya aeruginosa,
It is characterized by: the granularity of Bellamya aeruginosa is 225-500 mesh after grinding in the step 1, roasting phosphorus content is Bellamya aeruginosa total amount
5~20%.
3. the method for copper and zinc deposit in a kind of microwave reducing roasting according to claim 1-sulfuric acid leaching recycling Bellamya aeruginosa,
It is characterized by: the maturing temperature in the step 1 is 600~1000 DEG C, calcining time is 0.5~4 hour.
4. copper zinc in a kind of microwave reducing roasting according to any one of claim 1-3-sulfuric acid leaching recycling Bellamya aeruginosa
The method of element, it is characterised in that: the concentration of sulfuric acid solution used is 1~7mol/L in the step 2, leaches liquid-solid ratio and is
5:1~30:1.
5. the method for copper and zinc deposit in a kind of microwave reducing roasting according to claim 4-sulfuric acid leaching recycling Bellamya aeruginosa,
It is characterized by: leaching process is carried out in the step 2 under water bath condition, and water-bath extraction temperature is 40~80 DEG C, is leached
Time is 0.5~2h.
6. the method for copper and zinc deposit in a kind of microwave reducing roasting according to claim 5-sulfuric acid leaching recycling Bellamya aeruginosa,
It is characterized by: the granularity of Bellamya aeruginosa is 325-400 mesh after the grinding, the concentration of sulfuric acid solution used is 5mol/L, is leached
Liquid-solid ratio is 10:1, and extraction temperature is 80 DEG C, extraction time 2h.
7. copper zinc in a kind of microwave reducing roasting according to any one of claim 1-3-sulfuric acid leaching recycling Bellamya aeruginosa
The method of element, it is characterised in that: in the step 3 zinc dust precipitation reaction temperature be 40~90 DEG C, the reaction time be 0.5~
2h。
8. the method for copper and zinc deposit in a kind of microwave reducing roasting according to claim 7-sulfuric acid leaching recycling Bellamya aeruginosa,
It is characterized by: zinc powder particle size used is 80-120 mesh in the step 3.
9. the method for copper and zinc deposit in a kind of microwave reducing roasting according to claim 7-sulfuric acid leaching recycling Bellamya aeruginosa,
It is characterized by: the initial pH value of reaction solution is 2.0~5.0 when zinc dust precipitation reacts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910188418.2A CN109735700A (en) | 2019-03-13 | 2019-03-13 | A kind of method that microwave reducing roasting-sulfuric acid leaching recycles copper and zinc deposit in Bellamya aeruginosa |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910188418.2A CN109735700A (en) | 2019-03-13 | 2019-03-13 | A kind of method that microwave reducing roasting-sulfuric acid leaching recycles copper and zinc deposit in Bellamya aeruginosa |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109735700A true CN109735700A (en) | 2019-05-10 |
Family
ID=66370283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910188418.2A Pending CN109735700A (en) | 2019-03-13 | 2019-03-13 | A kind of method that microwave reducing roasting-sulfuric acid leaching recycles copper and zinc deposit in Bellamya aeruginosa |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109735700A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110423889A (en) * | 2019-08-21 | 2019-11-08 | 安徽工业大学 | A kind of hot galvanizing line alkali cleaning sewage sludge harmlessness disposing and resource utilization method |
| CN111378845A (en) * | 2020-04-17 | 2020-07-07 | 铜仁学院 | Method for recovering valuable metals from white smoke |
| CN112934478A (en) * | 2021-03-17 | 2021-06-11 | 安徽工业大学 | Method for recovering iron concentrate in copper slag floating copper tailings by microwave low-temperature reduction roasting |
| CN115232973A (en) * | 2022-07-27 | 2022-10-25 | 修水县德瑞科技有限公司 | Device and method for improving leaching rate of copper-zinc ash |
| CN115232979A (en) * | 2022-08-16 | 2022-10-25 | 深圳市中金岭南有色金属股份有限公司 | Method for preparing zinc sulfate and recovering copper from low-grade copper-zinc sulfide ore through bioleaching |
| CN115652103A (en) * | 2022-11-03 | 2023-01-31 | 中冶南方都市环保工程技术股份有限公司 | Method for extracting zinc element from blast furnace dust by wet process |
| CN118006919A (en) * | 2024-04-10 | 2024-05-10 | 矿冶科技集团有限公司 | Method for improving copper sulfide ore leaching effect through cooperative treatment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103194600A (en) * | 2013-04-23 | 2013-07-10 | 吴鋆 | Method for purifying zinc sulfide solution |
| CN103352116A (en) * | 2013-04-07 | 2013-10-16 | 昆明理工大学 | Method for recovering zinc from high iron and high lead leaching residue through microwave-ultrasonic wave combination |
-
2019
- 2019-03-13 CN CN201910188418.2A patent/CN109735700A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103352116A (en) * | 2013-04-07 | 2013-10-16 | 昆明理工大学 | Method for recovering zinc from high iron and high lead leaching residue through microwave-ultrasonic wave combination |
| CN103194600A (en) * | 2013-04-23 | 2013-07-10 | 吴鋆 | Method for purifying zinc sulfide solution |
Non-Patent Citations (1)
| Title |
|---|
| 徐欣欣: ""硫酸浸出铜熔炼烟灰中Cu、Zn元素实验研究"", 《中国优秀硕士学位论文工程科技Ⅰ辑》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110423889A (en) * | 2019-08-21 | 2019-11-08 | 安徽工业大学 | A kind of hot galvanizing line alkali cleaning sewage sludge harmlessness disposing and resource utilization method |
| CN110423889B (en) * | 2019-08-21 | 2021-06-22 | 安徽工业大学 | Hot galvanizing line alkaline washing sludge harmless disposal and resource utilization method |
| CN111378845A (en) * | 2020-04-17 | 2020-07-07 | 铜仁学院 | Method for recovering valuable metals from white smoke |
| CN112934478A (en) * | 2021-03-17 | 2021-06-11 | 安徽工业大学 | Method for recovering iron concentrate in copper slag floating copper tailings by microwave low-temperature reduction roasting |
| CN115232973A (en) * | 2022-07-27 | 2022-10-25 | 修水县德瑞科技有限公司 | Device and method for improving leaching rate of copper-zinc ash |
| CN115232973B (en) * | 2022-07-27 | 2024-05-07 | 修水县德瑞科技有限公司 | Device for improving leaching rate of copper-zinc ash and improving method thereof |
| CN115232979A (en) * | 2022-08-16 | 2022-10-25 | 深圳市中金岭南有色金属股份有限公司 | Method for preparing zinc sulfate and recovering copper from low-grade copper-zinc sulfide ore through bioleaching |
| CN115232979B (en) * | 2022-08-16 | 2024-04-05 | 深圳市中金岭南有色金属股份有限公司 | Method for preparing zinc sulfate and recycling copper by bioleaching low-grade copper-zinc sulfide ore |
| CN115652103A (en) * | 2022-11-03 | 2023-01-31 | 中冶南方都市环保工程技术股份有限公司 | Method for extracting zinc element from blast furnace dust by wet process |
| CN118006919A (en) * | 2024-04-10 | 2024-05-10 | 矿冶科技集团有限公司 | Method for improving copper sulfide ore leaching effect through cooperative treatment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109735700A (en) | A kind of method that microwave reducing roasting-sulfuric acid leaching recycles copper and zinc deposit in Bellamya aeruginosa | |
| CN105506294B (en) | A kind of method of manganese and lead in synthetical recovery electrolytic manganese anode mud | |
| CN106065435A (en) | A kind of method and system processing vanadium slag | |
| CN103993182B (en) | The comprehensive recovering process of secondary resource in a kind of iron vitriol slag | |
| CN106868307A (en) | A kind of pyrite cinder arsenic removal is enriched with the comprehensive utilization process of gold and silver | |
| CN109913660A (en) | A method of rich vanadium richness iron charge is prepared using v-bearing steel slag | |
| Yang et al. | An environment-friendly process of lead recovery from spent lead paste | |
| CN109097562A (en) | A kind of method of lateritic nickel ore selectivity sulfidation roasting | |
| CN101787439B (en) | Method for recovering valuable metals from metallurgical waste | |
| CN104946903A (en) | Method for recovering metal resource from zinc calcine through reduction roasting-leaching-zinc sinking | |
| CN102888515A (en) | Comprehensive utilization method of amarillite slag | |
| CN109811132A (en) | A method of comprehensive reutilization carbon, iron, aluminium, zinc, lead from blast furnace gas mud | |
| CN102690947A (en) | Smelting process of silver concentrate | |
| CN104928464B (en) | A kind of method of valuable metal in microwave heat pre-treatment extraction vanadium-containing material | |
| CN105734293B (en) | A kind of high-grade lead copper matte resource comprehensive utilization technique | |
| CN101575672B (en) | Method for separating and extracting copper and cobalt-nickel in low-grade copper-cobalt oxide ore | |
| CN110295285A (en) | A method of zinc is recycled from oxygen-enriched solid sulphur reduction melting clinker | |
| CN106119557A (en) | Zinc, ferrum, the method for carbon synthetical recovery in a kind of blast furnace gas mud | |
| CN103114205B (en) | Two-step method for extracting valuable metal nickel and copper from sodium jarosite slag | |
| CN109735717A (en) | A kind of microwave reinforced method for leaching valuable element in recycling copper weld pool cigarette ash | |
| CN106834749A (en) | The method of Vanadium Concentrationin from v-bearing steel slag | |
| CN104711428B (en) | Method for preparing and recovering metal in pickling sludge | |
| CN108203764B (en) | Method for producing cobalt concentrate by using microwave-calcined zinc hydrometallurgical purified cobalt-nickel slag | |
| CN108251638B (en) | A method of extracting lithium beryllium from the chrysoberyl type beryllium containing lithium | |
| CN107779590B (en) | Method for extracting molybdenum and rhenium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190510 |