CN102643993A - Balance control technique for efficient extraction of electro-deposited copper and impurities from complex solution - Google Patents
Balance control technique for efficient extraction of electro-deposited copper and impurities from complex solution Download PDFInfo
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- CN102643993A CN102643993A CN2012101291448A CN201210129144A CN102643993A CN 102643993 A CN102643993 A CN 102643993A CN 2012101291448 A CN2012101291448 A CN 2012101291448A CN 201210129144 A CN201210129144 A CN 201210129144A CN 102643993 A CN102643993 A CN 102643993A
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Abstract
The invention relates to a balance control technique for efficient extraction of electro-deposited copper and impurities from complex solution, which is characterized in that independently-developed efficient copper extractant ZJ988 is used in the extraction process, the extracting rate reaches more than 98% under high acidity and high impurity ion by supplementing a proper proportion of aldoxime or ketoxime, regular reverse electro-deposition is used in electro-deposition, and accordingly solution short-circuit is avoided, concentration polarization and solution resistance are reduced, current efficiency is increased by more than 3%, production cost is reduced by more than 10%, processing capacity is improved by more than 10%, and copper recovery rate is increased by more than 5%; copper-enriched liquid is subjected to primary oil removal by an oil trap and secondary oil removal by ultrasonic air floatation, and organic matters in the copper-enriched liquid are reduced to less than 10ppm; and environment pollution by escaping acid fog can be avoided by covering the surface of an electrolytic bath with low pressure polyethylene aggregates. The balance control technique has the advantages that process is simple, copper recovery rate is high, comprehensive recovery is effective, and the like.
Description
One. technical field
The present invention relates to a kind of technology of comprehensive from copper gold, high efficiente callback copper, particularly a kind of efficiently extraction-electro deposited copper and impurity balancing control are technological from omplicated solution.
Two. background technology
High-copper contains arsenic golden ore concentrate hard to treat calcine pickle liquor and has problems such as acid height, foreign ion height, thus problem such as the percentage extraction that causes adopting extraction electrodeposition technology to reclaim copper in the copper process is low, electrolysis cathode copper impurity ion content height, current efficiency are low.Still do not have relevant research or application report to this problem at present, it is good therefore to seek simple, the comprehensive recovering effect of a kind of technology, and the process method of economic environmental protection has great importance.
Three. summary of the invention
The present invention provide a kind of from omplicated solution efficient extraction-electro deposited copper and impurity balancing control technology, solved from the difficult problem of high efficiente callback copper from omplicated solution, the present invention has that technology is simple, copper recovery is high, the low advantage such as good of comprehensive recovering effect, cost.
The invention is characterized in:
1, with the calcining shrend acidleach of two-stage roasting, obtains copper-containing solution after the filtration, copper-containing solution is extracted the rich copper solutions that obtains after the back extraction carry out electrodeposition and obtain cathode copper.
2, extraction process makes that through aldoxime or ketoxime ratio in the adjustment extraction agent percentage extraction of copper significantly improves under high acidity, high foreign ion condition, and extraction agent adopts the efficient copper extractant ZJ988 of independent research.
3, be under 1.0～1.5 conditions at collection stoste pH, through increasing in the extraction agent by 0.1%～1% aldoxime ratio, the percentage extraction of copper improves 1%～3%, and the percentage extraction of copper reaches 98%～99%.
4, improve more than 10% through the surface quality that on the electrodeposition plate, covers one deck nylon or other material cathode copper.
5, electrolytic deposition process adopts periodic reverse electrodeposition technology; Avoided the solution short circuit phenomenon to take place; Reduced concentration polarization and solution resistance, made that current efficiency increases by 3% or more, production cost reduces more than 10%, processing power has increased more than 10%, the recovery raising of copper is more than 5%.
Technique effect of the present invention:
Employing the invention solves efficient extraction electrodeposition copper and impurity balancing control technology from omplicated solution, and the percentage extraction of copper improves 1%～3%, reaches more than 98%～99%; Electrolytic process current efficiency increases by 3% or more, production cost reduces more than 10%, processing power has increased more than 10%, the recovery raising of copper is more than 5%.
Innovative point of the present invention:
Innovative point of the present invention is:
1. adopt adjustment extraction process aldoxime or ketoxime ratio to realize the efficient extraction of copper under the high acidity.
2. be employed in and cover one deck nylon or other material realization raising electro deposited copper quality and impurity balancing control technology on the electrodeposition plate.
3. adopt periodic reverse electrodeposition technology to realize improving effects such as current efficiency, increase processing power, raising copper recovery.
Four. description of drawings
Fig. 1 be the present invention a kind of from omplicated solution the efficient schematic flow sheet of extraction-electro deposited copper and impurity balancing control technology.
Five. embodiment
Below in conjunction with instance the present invention's technology and effect are done further checking elaboration, the technical process that instance adopts is as shown in Figure 1.
Instance 1: the stoste of will coming together is 25%+ kerosene in organic phase.Do not add aldoxime in the extraction agent, extraction stoste pH=1.0, O/A=2; 1, carry out extraction test under the extraction time 3min condition, the percentage extraction of copper reaches 95.25%, copper content 0.68g/L in the raffinate.The back extraction ratio 98.49% of copper loaded organic phase copper under O/A=1, sulfuric acid concentration 180g/L, back extraction time 3min condition.Rich copper solutions is adopted conventional electrodeposition technology and do not adopt material coated electrode plate such as nylon at electrolytic deposition process, and cathode copper surface topography difference that obtains and arsenic content are high, have problems such as production cost is high, treatment capacity is little, current efficiency is low simultaneously.
Instance 2: the stoste of will coming together is 25%+ kerosene in organic phase.Add 0.5% aldoxime in the extraction agent, extraction stoste pH=1.2, O/A=2; 1, carry out extraction test under the extraction time 3min condition, the percentage extraction of copper reaches 98.85%, copper content 0.08g/L in the raffinate.The back extraction ratio 98.49% of copper loaded organic phase copper under O/A=1, sulfuric acid concentration 180g/L, back extraction time 3min condition.Rich copper solutions is adopted periodic reverse electrodeposition technology and covers the nylon material material at negative plate; The cathode copper appearance that obtains is better; And arsenic content does not more adopt and should technology reduce by 55%, and current efficiency increase by 3.5%, production cost reduction by 13%, processing power increase by 12%.
Instance 3: the stoste of will coming together is 25%+ kerosene in organic phase.Add 0.5% aldoxime in the extraction agent, extraction stoste pH=1.4, O/A=2; 1, carry out extraction test under the extraction time 3min condition, the percentage extraction of copper reaches 99.05%, copper content 0.05g/L in the raffinate.The back extraction ratio 98.49% of copper loaded organic phase copper under O/A=1, sulfuric acid concentration 180g/L, back extraction time 3min condition.Rich copper solutions is adopted periodic reverse electrodeposition technology and covers the nylon material material at negative plate; The cathode copper appearance that obtains is better; And arsenic content does not more adopt and should technology reduce by 50%, and current efficiency increase by 4%, production cost reduction by 12%, processing power increase by 15%.
Instance 4: the stoste of will coming together is 25%+ kerosene in organic phase.Add 0.5% aldoxime in the extraction agent, extraction stoste pH=1.5, O/A=2; 1, carry out extraction test under the extraction time 3min condition, the percentage extraction of copper reaches 99.25%, copper content 0.03g/L in the raffinate.The back extraction ratio 98.49% of copper loaded organic phase copper under O/A=1, sulfuric acid concentration 180g/L, back extraction time 3min condition.Rich copper solutions is adopted periodic reverse electrodeposition technology and covers the nylon material material at negative plate; The cathode copper appearance that obtains is better; And arsenic content does not more adopt and should technology reduce by 52%, and current efficiency increase by 6%, production cost reduction by 15%, processing power increase by 13%.
Claims (4)
1. efficient extraction electrodeposition copper and impurity balancing control technology from an omplicated solution; It is characterized in that: with the calcining shrend acidleach of two-stage roasting; Obtain copper-containing solution after the filtration; Copper-containing solution is extracted the rich copper solutions that obtains after the back extraction, at last rich copper solutions is carried out electrodeposition and obtain cathode copper.
According to right 1 described a kind of from omplicated solution efficient extraction electrodeposition copper and impurity balancing control technology; It is characterized in that: pH is under 1.0～1.5 conditions in collection stoste; Through increasing in the extraction agent by 0.1%～1% aldoxime ratio; The percentage extraction of copper improves 1%～3%, reaches 98%～99.8%.
According to right 1 described a kind of from omplicated solution efficient extraction electrodeposition copper and impurity balancing control technology; It is characterized in that: the surface quality through on the electrodeposition plate, covering one deck nylon or other material cathode copper improves more than 10%, and lead content reduces more than 50%.
According to right 1 described a kind of from omplicated solution efficient extraction electrodeposition copper and impurity balancing control technology, it is characterized in that: electrolytic deposition process adopts periodic reverse electrodeposition technology, has avoided the solution short circuit phenomenon to take place, and has reduced concentration polarization and solution resistance.
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| CN2012101291448A CN102643993A (en) | 2012-04-27 | 2012-04-27 | Balance control technique for efficient extraction of electro-deposited copper and impurities from complex solution |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103966320A (en) * | 2014-04-24 | 2014-08-06 | 南昌大学 | Gene chip for integrated detection and on-substrate amplification method |
| CN114759285A (en) * | 2022-04-11 | 2022-07-15 | 中南大学 | Treatment method of waste lithium ion battery leachate |
| CN114759285B (en) * | 2022-04-11 | 2024-06-04 | 中南大学 | Treatment method of waste lithium ion battery leaching liquid |
Citations (4)
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| CN1039270A (en) * | 1988-07-02 | 1990-01-31 | 中南工业大学 | The method and apparatus of manganese metal and Manganse Dioxide simultaneous electrolysis |
| CN1904094A (en) * | 2006-08-03 | 2007-01-31 | 山东国大黄金股份有限公司 | Method of extracting gold and silver from arsenic containing aurin ore |
| CN101328542A (en) * | 2008-07-25 | 2008-12-24 | 紫金矿业集团股份有限公司 | Method for directly preparing copper sulfate and cathode copper from copper ore concentrate |
| CN101717955A (en) * | 2009-12-22 | 2010-06-02 | 广州有色金属研究院 | Method for recovering copper and nickel from plastic chromium coatings |
-
2012
- 2012-04-27 CN CN2012101291448A patent/CN102643993A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1039270A (en) * | 1988-07-02 | 1990-01-31 | 中南工业大学 | The method and apparatus of manganese metal and Manganse Dioxide simultaneous electrolysis |
| CN1904094A (en) * | 2006-08-03 | 2007-01-31 | 山东国大黄金股份有限公司 | Method of extracting gold and silver from arsenic containing aurin ore |
| CN101328542A (en) * | 2008-07-25 | 2008-12-24 | 紫金矿业集团股份有限公司 | Method for directly preparing copper sulfate and cathode copper from copper ore concentrate |
| CN101717955A (en) * | 2009-12-22 | 2010-06-02 | 广州有色金属研究院 | Method for recovering copper and nickel from plastic chromium coatings |
Non-Patent Citations (1)
| Title |
|---|
| 鲁道荣等: "周期反向电流法高电流密度电解精炼铜的研究", 《有色金属》, vol. 53, no. 2, 31 May 2001 (2001-05-31) * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103966320A (en) * | 2014-04-24 | 2014-08-06 | 南昌大学 | Gene chip for integrated detection and on-substrate amplification method |
| CN114759285A (en) * | 2022-04-11 | 2022-07-15 | 中南大学 | Treatment method of waste lithium ion battery leachate |
| CN114759285B (en) * | 2022-04-11 | 2024-06-04 | 中南大学 | Treatment method of waste lithium ion battery leaching liquid |
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Application publication date: 20120822 |