CN108570558A - The method that copper is recycled from organosilicon slag slurry - Google Patents
The method that copper is recycled from organosilicon slag slurry Download PDFInfo
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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
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/006—Wet processes
- C22B7/007—Wet processes by acid leaching
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
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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
- C22B15/00—Obtaining copper
- C22B15/0063—Hydrometallurgy
- C22B15/0065—Leaching or slurrying
- C22B15/0067—Leaching or slurrying with acids or salts thereof
- C22B15/0069—Leaching or slurrying with acids or salts thereof containing halogen
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- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B15/00—Obtaining copper
- C22B15/0063—Hydrometallurgy
- C22B15/0065—Leaching or slurrying
- C22B15/0067—Leaching or slurrying with acids or salts thereof
- C22B15/0071—Leaching or slurrying with acids or salts thereof containing sulfur
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B15/00—Obtaining copper
- C22B15/0063—Hydrometallurgy
- C22B15/0065—Leaching or slurrying
- C22B15/0067—Leaching or slurrying with acids or salts thereof
- C22B15/0073—Leaching or slurrying with acids or salts thereof containing nitrogen
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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
- C22B15/00—Obtaining copper
- C22B15/0063—Hydrometallurgy
- C22B15/0084—Treating solutions
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- 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
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/30—Oximes
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C1/00—Electrolytic production, recovery or refining of metals by electrolysis of solutions
- C25C1/12—Electrolytic production, recovery or refining of metals by electrolysis of solutions of copper
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- 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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The invention discloses the methods that copper is recycled from organosilicon slag slurry, include the following steps：Solid content is directly placed into for 30 40% organosilicon slag slurries in suspension separator and is separated by solid-liquid separation to obtain height boiling clear liquid and solid slag；Acid is added to isolated solid slag and carries out leaching process, isolated copper-containing solution and filter residue are filtered after the completion of leaching；Extractant progress solvent extraction is added in isolated copper-containing solution and obtains copper-loaded organic phase；Obtained copper-loaded organic be added in back washing agent is stripped, copper-rich liquid and regeneration organic phase are obtained after back extraction；Electro-deposition is carried out to obtained copper-rich liquid, obtains metallic copper.The present invention can effectively realize the separation of high-boiling components and solid slag by one-step method, convenient for processing is separately recovered；By leaching solid slag, extracting, electrodeposition, can be separately recovered to obtain silica flour and metallic copper, organic efficiency is high, and technical process is simple, safety is high, environmental protection.
Description
Technical field
The present invention relates to a kind of methods that white residue recycles copper, and in particular to the method that copper is recycled from organosilicon slag slurry.
Background technology
Organosilicon slag slurry refers to a kind of waste residue slurry generated in organic silicon monomer building-up process, accounts for amount of monomer about 3%, with
The rapidly extension for organic silicon monomer yield, supervenes a large amount of organic silicon waste residue slurry, and mainly composition is by more height
Boiling object and the silica flour (grain size is at 2-150 μm) that brings out of a small amount of fluid bed, copper powder and trace element Fe, Zn, Al, Sn etc..Wherein
70.5-250 DEG C of high-boiling components boiling range, composition be mainly disilane, siloxanes, silicon support alkane, solid content is in 20-75%.If will
It is exposed in air, strong acid mist and burning is easily caused, therefore, it is necessary to carry out harmless treatment to it.Currently, many organic
Slurry is emitted on inside pond and is hydrolyzed by silicon manufacturing enterprise, and the hydrogen chloride of discharge is seriously polluted, and a large amount of height boiling cannot return
It receives and utilizes, drag for slag heavy workload, and the cuprous ion in slurry is due to strong reducing property, meet open fire and air easily causes burning and quick-fried
It is fried, cause serious security risk.
United States Patent (USP) US4221691 provides a kind of method of processing waste residue slurry：A small amount of mineral oil is added into waste residue slurry
To improve hydrolysis properties.This method obvious shortcoming is additional addition organic solvent and cannot recycle；Useful high-boiling components are hydrolyzed
Fall, also without recycling copper, result in waste of resources, a large amount of waste is caused after hydrolysis, post-process heavy workload, therefore is difficult place
Manage a large amount of waste residue slurry.
Patent CN200310115386.2 introduces a kind of method of processing waste residue slurry：By decanter centrifuge by high-boiling components and
Solid separates, and for most of height boiling of recycling for cracking, the dense slurry of separation recycles copper therein for hydrolyzing.This method
The disadvantage is that most of high-boiling components of recycling still have 2% or so fine silica powder entrainment trace meter due to 2-150 μm of silica flour grain size
Element is in high-boiling components, due to catalyst poisoning, cannot be directly used to crack；In addition, centrifuging force effect by force in decanter centrifuge
Under, a large amount of acid mist emissions are formed, environmental pollution is caused；The cuprous ion of strong reducing property easy ingress of air under high speed centrifugation causes
Burning, it is dangerous；The strong corrosive of high-boiling components, and closed processes are needed, cause centrifuge selection expensive.
Patent CN200810195375.2 provides a kind of method of processing waste residue slurry：It is distilled, is made by taper evaporator
Most of high-boiling components are separated, residual residue discharge.This method is the disadvantage is that the organosilicon slag for being suitble to processing solid content smaller
Slurry (<5%), in solid content higher than under 20%, due to cuprous ion concentration height, having of gradually concentrating is evaporated under 250 DEG C of high temperature
Machine silicon slurry, easily causes burning, explosion, and safety is poor.
Invention content
The technical problem to be solved by the present invention is to the processing mode of existing organosilicon slag slurry, there are many defects, such as height boiling
The problems such as object is easily hydrolyzed, and copper is not recycled, can, and it is an object of the present invention to provide the method for recycling copper from organosilicon slag slurry
Silicon slurry is effectively handled, is recycled copper, and technical process is simple, safe and environment-friendly.
The present invention is achieved through the following technical solutions：
The method that copper is recycled from organosilicon slag slurry, includes the following steps：
Step (1) directly puts the organosilicon slag slurry that the solid content generated in organic silicon monomer building-up process is 30-40%
Enter and is separated by solid-liquid separation to obtain height boiling clear liquid and solid slag into suspension separator；
Step (2) carries out leaching process to acid is added through the isolated solid slag of step (1), is carried out after the completion of leaching
It is separated by filtration to obtain copper-containing solution and filter residue；
Step (3), will be added extractant through the isolated copper-containing solution of step (2) and carries out solvent extraction and obtain copper-loaded having
Machine phase；
Copper-loaded organic be added in back washing agent obtained through step (3) is stripped, after back extraction by step (4)
Obtain copper-rich liquid and regeneration organic phase；
Step (5) carries out electro-deposition to the copper-rich liquid that step (4) obtains, obtains metallic copper.
The method that the present invention recycles copper from organosilicon slag slurry obtains first by the way that organosilicon slag slurry to be separated by solid-liquid separation
Processing is separately recovered in order to two kinds of substances in height boiling clear liquid and solid slag；Then solid slag will be consolidated by Ore Leaching
Copper ion dissolution in body slag, obtains copper-containing solution, for addition acid is hydrolyzed directly into organosilicon slag slurry, this
The method of invention in advance isolates height boiling clear liquid, only carries out sour processing to solid slag, therefore will not cause in height boiling clear liquid
High-boiling components are hydrolyzed together so that height boiling clear liquid can be handled individually；Then by extraction and anti-extraction process to cupric
Solution is handled, and to obtain the high copper-rich liquid of copper ion concentration, is obtained metallic copper finally by the method for electro-deposition, is compared
The way of recycling of copper is carried out by hydrolyzing in existing, the present invention is equivalent to by extraction and back extraction to containing in copper liquid
Content of copper ion has carried out being concentrated to give copper-rich liquid, not only increases organic efficiency, and improves the recycling purity of copper.
The present invention uses low-solid content organosilicon of the suspension separator to the 30-40% generated in synthesizing organic silicon monomer
Slurry is directly detached.The patent CN104262379A of the prior art is separated by the way that organosilicon slag slurry is first passed through filter press
Then the thick slurry that the height boiling liquid and solid content that solid content is 20% are 70% again leads to the thick slurry that solid content is 70%
It crosses suspension separator and is separated into supernatant and solid slag.The present invention is then omitted the step that initial gross separation is carried out using filter press
Suddenly, because in the lower slurry of solid content compared to for the higher slurry of solid content, the amount mutually collided between solid material
Less, impact force is small, therefore the energy smaller that molecule moves in the solution, it is easier under deposition, so high compared to solid content
For slurry, it is shorter that clear liquid detaches with solid slag to the required time, while the step of also eliminating filter press initial gross separation,
Further reduce the time for being separated by solid-liquid separation and needing；Simultaneously in existing solid-liquid separating method, remain 20% in height boiling liquid
Solid is also therefore not recycled further containing silica flour and copper powder in these solids, causes the waste of silicon, copper, and
The present invention is directly separated by solid-liquid separation using suspension separator by one-step method, be ensure that the complete collection of solid slag, is avoided
The loss of solid slag, to improve the rate of recovery of copper.Grain size wherein can be removed 50um's or more by suspension separator
Particle makes supernatant fluid solid content below 1% so that the content of silicon grain reduces in the height boiling clear liquid isolated, and improves height boiling
The quality of clear liquid can effectively realize the separation of high-boiling components and solid slag, while use suspension separator is separated by solid-liquid separation,
It is not easy to form acid mist.
The method that the present invention recycles copper from organosilicon slag slurry can be convenient for respective by the separation of high-boiling components and solid slag
Processing is separately recovered, high-boiling components can be used in cracking, and solid slag is then used for the recycling of copper, between the two will not be mutually by dry
It disturbs；Suspension separator is directly used by one-step method, disengaging time can not only be dropped, improve the efficiency of separation, and can be carried
The rate of recovery of high-copper；It during solid slag recycles copper, is leached by acid solution, not only obtains containing copper liquid, but also obtained filter
Slag can obtain silica flour after washing is dry, just can be separately recovered to obtain silica flour and metallic copper in this way, organic efficiency is high；
To containing copper liquid by extraction and back extraction, then electro-deposition obtains metallic copper, and technical process is simple, safe and environment-friendly, technical process
The equipment investment needed is few, is convenient for industrialized production.
The liquid-solid ratio leached in step (2) is 1:5~10:1, extraction time is 6h~10h, and extraction temperature is 60~90
℃。
Extraction phase ratio O/A is 1 in step (3):5~5:1, extraction time is 8~10min, and extraction temperature is 40~60 DEG C,
Extract 1~5 grade of series.
Back extraction is 1 compared to O/A in step (4):5~5:1, back-extraction time 5-10min, back extraction temperature be 20~
50℃。
Since the content of copper in solid slag is high, leaching process, extraction, the time of back extraction are all relatively long, temperature
It is relatively high.
The acid that leaching process uses in step (2) is that one or several kinds of any proportions in sulfuric acid, hydrochloric acid, nitric acid are mixed
It closes.
Extractant described in step (3) is the kerosin containing extractant M5640, the wherein body of extractant M5640
Fraction is 10%-90%, and extractant M5640 extracts the efficient of copper ion from acid solution, and effect of extracting is good, can be abundant
Si, the organic silicon monomer in copper-containing solution are separated.
Back washing agent described in step (4) is for sulfuric acid solution, a concentration of 100-300g/L of sulfuric acid solution, using high concentration
Sulfuric acid solution, adequately copper can be returned to from back extraction in organic phase in water phase so that remaining copper ion is more in organic phase
It is few, the rate of recovery higher of pain.
Electro-deposition in step (5) using titanium plate as anode, copper sheet as cathode, using electrochemistry method by copper from
Son precipitating metal copper from solution, obtains metallic copper purity higher, and the impurity contained is less.
The isolated filter residue of step (2) be can be obtained into silica flour after washing, drying.
Extraction step in the regeneration organic phase return to step (3) obtained in step (4) is recycled, through step (4)
After back extraction, obtain also remaining the copper of some in regeneration organic phase, therefore return it in step (3) and recycle,
Further increase the recycling efficiency of copper.
Compared with prior art, the present invention having the following advantages and advantages：
1, the method that the present invention recycles copper from organosilicon slag slurry can effectively realize point of high-boiling components and solid slag
From, convenient for be separately recovered processing, by one-step method directly use suspension separator, can not only drop disengaging time, improve separation
Efficiency, and the rate of recovery of copper can be improved；
2, the present invention from organosilicon slag slurry recycle copper method, by solid slag through leaching, then by extraction,
Electrodeposition can be separately recovered to obtain silica flour and metallic copper, and organic efficiency is high；
3, the method that the present invention recycles copper from organosilicon slag slurry, technical process is simple, safe, will not produce in the process
Raw harmful substance, more environmentally-friendly, the small investment of production equipment are convenient for industrialized production.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiment, the present invention is made
Further to be described in detail, exemplary embodiment of the invention and its explanation are only used for explaining the present invention, are not intended as to this
The restriction of invention.
Embodiment 1
Solid content is that 30% organosilicon slag slurry is detached by suspension by the method that the present invention recycles copper from organosilicon slag slurry
The isolated height boiling clear liquid of device and solid slag；Acid is added to solid slag to be leached, the liquid-solid ratio of leaching is 1:5, extraction time
10h, 60 DEG C of extraction temperature.It is filtered after the completion of leaching and isolates copper-containing solution and filter residue, filter residue is dried to obtain by washing
Silica flour；The kerosin that M5640 is added into copper-containing solution obtains copper-loaded organic phase as extractant progress solvent extraction, extracts
It is 1 compared to O/A:1, extraction time 10min, 40 DEG C of extraction temperature, extraction 3 stage countercurrent of series extraction；Copper-loaded organic phase uses
The sulfuric acid solution of 100g/L is stripped, and back extraction is 1 compared to O/A:5, Stripping times 10min are stripped 20 DEG C of temperature, after back extraction
To copper-rich liquid；Copper-rich liquid carries out electro-deposition, and using titanium plate as anode, copper sheet obtains metallic copper as cathode, electro-deposition.
By analysis, the metallic copper purity obtained reaches tough cathode standard, and the rate of recovery of copper reaches organosilicon slag slurry total amount
25%.
Embodiment 2
Solid content is that 35% organosilicon slag slurry is detached by suspension by the method that the present invention recycles copper from organosilicon slag slurry
The isolated height boiling clear liquid of device and solid slag；Solid slag is added acid and is leached, and it is 10 to leach liquid-solid ratio:1, extraction time 6h,
90 DEG C of extraction temperature.It is filtered after the completion of leaching and isolates copper-containing solution and filter residue, filter residue is dried to obtain silica flour by washing；
The kerosin that M5640 is added in copper-containing solution obtains copper-loaded organic phase as extractant progress solvent extraction, and extraction phase ratio O/A is
1:5, extraction time 8min, 50 DEG C of extraction temperature, extraction 2 stage countercurrent of series extraction；Copper-loaded organic phase uses the sulfuric acid of 200g/L
Solution is stripped, and back extraction is 5 compared to O/A:1, Stripping times 5min are stripped temperature 50 C, copper-rich liquid are obtained after back extraction；Copper-rich
Liquid carries out electro-deposition, and using titanium plate as anode, copper sheet obtains metallic copper as cathode, electro-deposition.
By analysis, the metallic copper purity obtained reaches tough cathode standard, and the rate of recovery of copper reaches organosilicon slag slurry total amount
30%.
Embodiment 3
Solid content is that 40% organosilicon slag slurry is detached by suspension by the method that the present invention recycles copper from organosilicon slag slurry
The isolated height boiling clear liquid of device and solid slag；Solid slag is added acid and is leached, and it is 5 to leach liquid-solid ratio:1, extraction time 8h, leaching
Go out 75 DEG C of temperature.It is filtered after the completion of leaching and isolates copper-containing solution and filter residue, filter residue is dried to obtain silica flour by washing；Contain
The kerosin that M5640 is added in copper solution obtains copper-loaded organic phase as extractant progress solvent extraction, and extraction phase ratio O/A is 1:
5, extraction time 8min, 60 DEG C of extraction temperature, extraction 5 stage countercurrent of series extraction；Copper-loaded organic phase is molten using the sulfuric acid of 300g/L
Liquid is stripped, and back extraction is 1 compared to O/A:3, Stripping times 5min are stripped 30 DEG C of temperature, copper-rich liquid are obtained after back extraction；Copper-rich liquid
Electro-deposition is carried out, using titanium plate as anode, copper sheet obtains metallic copper as cathode, electro-deposition.
By analysis, the metallic copper purity obtained reaches tough cathode standard, and the rate of recovery of copper reaches organosilicon slag slurry total amount
28%.
Comparative example 1
From organosilicon slag slurry recycle copper method, by solid content be 35% organosilicon slag slurry by first passing through filter press at the beginning of
Step is separated into the thick slurry that height boiling liquid that solid content is 10% is 60% with solid content, then by solid content be 60% it is dense
Thick slurry material passes through the isolated height boiling clear liquid of suspension separator and solid slag；Solid slag is added acid and is leached, and leaches liquid-solid ratio
It is 5:1, extraction time 3h, 55 DEG C of extraction temperature.It is filtered after the completion of leaching and isolates copper-containing solution and filter residue, filter residue passes through
Washing is dried to obtain silica flour；The kerosin that M5640 is added in copper-containing solution obtains copper-loaded having as extractant progress solvent extraction
Machine phase, extraction phase ratio O/A are 1:5, extraction time 4min, 40 DEG C of extraction temperature, extraction 5 stage countercurrent of series extraction；It is copper-loaded organic
It is mutually stripped using the sulfuric acid solution of 300g/L, back extraction is 1 compared to O/A:3, Stripping times 3min are stripped 20 DEG C of temperature, instead
Copper-rich liquid is obtained after extraction；Copper-rich liquid carries out electro-deposition, and using titanium plate as anode, copper sheet obtains metal as cathode, electro-deposition
Copper.
By analysis, the metallic copper purity obtained reaches tough cathode standard, and the rate of recovery of copper reaches organosilicon slag slurry total amount
20%.
Comparative example 2
From organosilicon slag slurry recycle copper method, by solid content be 40% organosilicon slag slurry by first passing through filter press at the beginning of
Step is separated into the thick slurry that height boiling liquid that solid content is 20% is 60% with solid content, then by solid content be 60% it is dense
Thick slurry material passes through the isolated height boiling clear liquid of suspension separator and solid slag；Solid slag is added acid and is leached, and leaches liquid-solid ratio
It is 5:1, extraction time 4h, 60 DEG C of extraction temperature.It is filtered after the completion of leaching and isolates copper-containing solution and filter residue, filter residue passes through
Washing is dried to obtain silica flour；The kerosin that M5640 is added in copper-containing solution obtains copper-loaded having as extractant progress solvent extraction
Machine phase, extraction phase ratio O/A are 1:5, extraction time 3min, 45 DEG C of extraction temperature, extraction 5 stage countercurrent of series extraction；It is copper-loaded organic
It is mutually stripped using the sulfuric acid solution of 300g/L, back extraction is 1 compared to O/A:3, Stripping times 4min are stripped 20 DEG C of temperature, instead
Copper-rich liquid is obtained after extraction；Copper-rich liquid carries out electro-deposition, and using titanium plate as anode, copper sheet obtains metal as cathode, electro-deposition
Copper.
By analysis, the metallic copper purity obtained reaches tough cathode standard, and the rate of recovery of copper reaches organosilicon slag slurry total amount
18%.
Above-described specific implementation mode has carried out further the purpose of the present invention, technical solution and advantageous effect
It is described in detail, it should be understood that the foregoing is merely the specific implementation mode of the present invention, is not intended to limit the present invention
Protection domain, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (10)
1. the method for recycling copper from organosilicon slag slurry, which is characterized in that include the following steps：
The organosilicon slag slurry that the solid content generated in organic silicon monomer building-up process is 30-40% is directly introduced to by step (1)
It is separated by solid-liquid separation to obtain height boiling clear liquid and solid slag in suspension separator；
Step (2) carries out leaching process to acid is added through the isolated solid slag of step (1), is filtered after the completion of leaching
Isolated copper-containing solution and filter residue；
Step (3) will obtain copper-loaded organic through the isolated copper-containing solution addition extractant progress solvent extraction of step (2)
Phase；
Copper-loaded organic be added in back washing agent obtained through step (3) is stripped, is obtained after back extraction by step (4)
Copper-rich liquid and regeneration organic phase；
Step (5) carries out electro-deposition to the copper-rich liquid that step (4) obtains, obtains metallic copper.
2. the method according to claim 1 for recycling copper from organosilicon slag slurry, which is characterized in that leached in step (2)
Liquid-solid ratio be 1:5~10:1, extraction time is 6h~10h, and extraction temperature is 60~90 DEG C.
3. the method according to claim 1 or 2 for recycling copper from organosilicon slag slurry, which is characterized in that extraction in step (3)
It is 1 to take compared to O/A:5~5:1, extraction time is 8~10min, and extraction temperature is 40~60 DEG C, extracts 1~5 grade of series.
4. the method according to claim 1 or 2 for recycling copper from organosilicon slag slurry, which is characterized in that anti-in step (4)
Extraction phase ratio O/A is 1:5~5:1, back-extraction time 5-10min, back extraction temperature are 20~50 DEG C.
5. the method according to claim 4 for recycling copper from organosilicon slag slurry, which is characterized in that leached in step (2)
The acid that process uses is one or several kinds of any proportion mixing in sulfuric acid, hydrochloric acid, nitric acid.
6. the method according to claim 5 for recycling copper from organosilicon slag slurry, which is characterized in that described in step (3)
Extractant be the kerosin containing extractant M5640, the volume fraction of wherein extractant M5640 is 10%-90%.
7. the method according to claim 5 for recycling copper from organosilicon slag slurry, which is characterized in that described in step (4)
Back washing agent is for sulfuric acid solution, a concentration of 100-300g/L of sulfuric acid solution.
8. according to the method for recycling copper in any slave organosilicon slag slurry in claim 1,2 or 5~7, which is characterized in that step
Suddenly the electro-deposition in (5) is using titanium plate as anode, and copper sheet is as cathode.
9. the method according to claim 8 for recycling copper from organosilicon slag slurry, which is characterized in that detach step (2)
Obtained filter residue can be obtained silica flour after washing, drying.
10. the method according to claim 9 for recycling copper from organosilicon slag slurry, which is characterized in that will be obtained in step (4)
Extraction step in the regeneration organic phase return to step (3) arrived recycles.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109279608A (en) * | 2018-11-09 | 2019-01-29 | 成都蜀菱科技发展有限公司 | A kind of organic waste silicon residue recoverying and utilizing method and silicon-copper rod processing method |
| CN112321626A (en) * | 2020-11-10 | 2021-02-05 | 云南能投硅材科技发展有限公司 | Method for treating organic silicon slag slurry |
| CN113582183A (en) * | 2021-08-26 | 2021-11-02 | 枣阳市一鸣化工有限公司 | Treatment method and treatment system for organic silicon waste residue slurry |
| CN113699378A (en) * | 2021-08-26 | 2021-11-26 | 枣阳市一鸣化工有限公司 | Treatment method and treatment system for organic silicon waste residues |
| CN114892004A (en) * | 2022-04-19 | 2022-08-12 | 浙江特力再生资源股份有限公司 | Comprehensive recycling process of copper-containing silicon slag |
| CN115321547A (en) * | 2022-08-18 | 2022-11-11 | 江西星火狮达科技有限公司 | Method for resource utilization of organic silicon pulp residue hydrolysate |
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| CN104262379A (en) * | 2014-08-29 | 2015-01-07 | 浙江恒业成有机硅有限公司 | Organic silicon residue slurry treatment device and treatment method |
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| CN102943177A (en) * | 2012-10-29 | 2013-02-27 | 浙江特力再生资源有限公司 | Method for recovering cooper and silicon powder from organosilicon waste residue |
| CN104262379A (en) * | 2014-08-29 | 2015-01-07 | 浙江恒业成有机硅有限公司 | Organic silicon residue slurry treatment device and treatment method |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109279608A (en) * | 2018-11-09 | 2019-01-29 | 成都蜀菱科技发展有限公司 | A kind of organic waste silicon residue recoverying and utilizing method and silicon-copper rod processing method |
| CN109279608B (en) * | 2018-11-09 | 2020-11-24 | 成都蜀菱科技发展有限公司 | Method for recycling organic waste silicon slag and method for processing silicon-copper rod |
| CN112321626A (en) * | 2020-11-10 | 2021-02-05 | 云南能投硅材科技发展有限公司 | Method for treating organic silicon slag slurry |
| CN113582183A (en) * | 2021-08-26 | 2021-11-02 | 枣阳市一鸣化工有限公司 | Treatment method and treatment system for organic silicon waste residue slurry |
| CN113699378A (en) * | 2021-08-26 | 2021-11-26 | 枣阳市一鸣化工有限公司 | Treatment method and treatment system for organic silicon waste residues |
| CN113699378B (en) * | 2021-08-26 | 2023-09-15 | 枣阳市一鸣化工有限公司 | Method and system for treating organic silicon waste residues |
| CN114892004A (en) * | 2022-04-19 | 2022-08-12 | 浙江特力再生资源股份有限公司 | Comprehensive recycling process of copper-containing silicon slag |
| CN115321547A (en) * | 2022-08-18 | 2022-11-11 | 江西星火狮达科技有限公司 | Method for resource utilization of organic silicon pulp residue hydrolysate |
| CN115321547B (en) * | 2022-08-18 | 2023-09-15 | 江西星火狮达科技有限公司 | Method for recycling organic silicon slurry residue hydrolysis material |
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