CN1621544A - Comprehensive treating process for indium lead and stibium -containing smelting water quenching residue - Google Patents
Comprehensive treating process for indium lead and stibium -containing smelting water quenching residue Download PDFInfo
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- CN1621544A CN1621544A CNA2004101029380A CN200410102938A CN1621544A CN 1621544 A CN1621544 A CN 1621544A CN A2004101029380 A CNA2004101029380 A CN A2004101029380A CN 200410102938 A CN200410102938 A CN 200410102938A CN 1621544 A CN1621544 A CN 1621544A
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- indium
- antimony
- zinc
- lead
- silver
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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
- 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
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Abstract
The process of recovering In, Pb, Zn, Sb, Ag and metals from water quenched Pb-Sb smelting slag containing In is to reduce the slag with carbon and CO at high temperature over 1100 deg.c inside a rotary kiln, a zinc white furnace, a fuming furnace or other reducing furnace and to volatize.
Description
Invention field
The invention belongs to field of metallurgy, particularly, the present invention relates to contain the comprehensive recovering process of lead and tin metallurgy Water Quenching Slag valuable metal in smelting process of indium.
Technical background
The lead and tin metallurgy Water Quenching Slag generally is to abandon or do cement raw material, in being the lead and tin metallurgy Water Quenching Slag of raw material, big factories and miness field, Guangxi generally contains indium 0.02% to 1%, zinc 6% to 25%, plumbous 2% to 6%, antimony 2% to 8%, silver 0.003% to 0.05%, these valuable metals all do not obtain efficient recovery, cause the great wasting of resources and environmental pollution.
Goal of the invention
The purpose of this invention is to provide a kind of technology that in containing the lead and tin metallurgy Water Quenching Slag of indium, reclaims metals such as indium, zinc, lead, antimony, silver.
Particularly, purpose of the present invention just provides a kind of operation of being convenient to, reduced investment, and high efficiency can be easy to realize that heavy industrialization reclaims valuable metals such as indium, zinc, lead, antimony, silver, its rate of recovery can reach 70%, 80%, 70%, 60% respectively.Mineral substance such as the slag of reduction furnace is mainly siliceous, iron, cinder can be used as building material, realize no waste sludge discharge, and help overcoming the new production process of environmental pollution.
Summary of the invention
The present invention is achieved in that
1. the lead and tin metallurgy Water Quenching Slag that will contain indium is allocated the coke or the coal of 0.35 to 0.6 times (weight) into, drops in rotary kiln or Furnace for obtaining white zinc or the fuming furnace, obtains being rich in the flue dust of indium, zinc, lead, antimony, silver under 1100-1450 ℃ high temperature through reduction volatilization;
2. leach the flue dust that contains indium, zinc, lead, antimony, silver with sulfuric acid, control pH value 5-5.4 enters in the solution zinc, soaks in the slag during indium, lead, antimony, silver are stayed, and solution of zinc sulfate is sent to the zinc manufacturer as the zinc raw material;
3. soak slag in leaching with high-concentration sulfuric acid solution, the sulfuric acid concentration in the control leaching terminal point solution is more than 10 grams per liters, allows indium and antimony enter solution, and plumbous and silver is still stayed in the leached mud, and the acid leaching residue that is rich in plumbous silver send lead refinery to reclaim lead, silver-colored by classical way;
4. the solution that will contain indium and antimony adds zinc powder, and antimony wherein is displaced, and the antimony slag send antimony smelter as raw material;
5. will contain solution of indium through extraction, displacement, the smart indium of electrolysis production.
Description of drawings
Accompanying drawing 1 is the process flow sheet of the inventive method.
Further specify method of the present invention with embodiment below.It should be understood that these embodiment are only used for further specifying embodiment of the present invention, rather than be used to limit the present invention.All belong to protection scope of the present invention in the various improvement of in fact the present invention being carried out of the present invention.Except as otherwise noted, the percentage ratio among the present invention all is weight percentage.
Embodiment
Embodiment 1: reclaim indium, zinc, lead, antimony, silver
The indium lead and stibium-containing Water Quenching Slag adding 0.35-0.6 smokeless powder coal doubly of 1 unit is become mixture, add in the rotary kiln by certain speed, material is through the dehydration of cold zone, reduction reaction takes place in high-temperature zone (1000-1450 ℃), the newborn oxide fine particle of indium volatilizees with zinc that is reduced into metallographic phase and lead steam and enters in the flue dust, antimony also enters flue dust with the form of oxide compound, and silver also enters flue dust with lead metal steam; To leach with sulfuric acid behind the flue dust collecting of rotary kiln, control terminal point pH value is 5.2-5.4, obtains solution of zinc sulfate through after the liquid-solid separation, can be used for producing zinc sulfate or electrolytic zinc product; The neutral leached mud that obtains adds sulfuric acid and leaches, the sulfuric acid concentration that control is leached in the terminal point solution is more than 10 grams per liters, earlier through liquid-solid separation, send to the plumbous silver of lead refinery's recovery with obtaining being rich in plumbous silver-colored acid leached mud, in the acid leaching solution that obtains, add zinc powder and obtain the antimony slag, obtain containing the antimony replacement slag through after the liquid-solid separation, the antimony slag send antimony smelter to reclaim antimony, to extract with P204 extraction agent (can on market, buy) except that the indium acid leaching solution that contains behind the antimony with trade(brand)name P204, with obtaining containing the indium strip liquor after the hydrochloric acid back extraction, obtain the sponge indium with the zine plate displacement then, cast the indium positive plate through overvoltage group, obtain the electrolysis indium after the electrolysis of indium positive plate, cast the indium ingot after refining, indium ingot quality can reach more than the 4N (99.99%).
Claims (2)
1. a technology that reclaims indium, zinc, lead, antimony, silver metal in containing the lead and tin metallurgy Water Quenching Slag of indium comprises the steps:
(1). will contain the lead and tin metallurgy Water Quenching Slag of indium, allocate coke or coal into, drop in rotary kiln or Furnace for obtaining white zinc or the fuming furnace, under 1100-1450 ℃ high temperature, obtain being rich in the flue dust of indium, zinc, lead, antimony, silver through reduction volatilization;
(2). leach the flue dust that contains indium, zinc, lead, antimony, silver with sulfuric acid, control pH value 5-5.4 enters in the solution zinc, soaks in the slag during indium, lead, antimony, silver are stayed, and solution of zinc sulfate is used to reclaim zinc;
(3). soak slag with high-concentration sulfuric acid solution, the sulfuric acid concentration that control is leached in the terminal point solution is more than 10 grams per liters, makes indium and antimony enter solution, and plumbous and silver is still stayed in the leached mud, and the acid leaching residue that is rich in plumbous silver is used for reclaiming plumbous, silver-colored;
(4). the solution that will contain indium and antimony adds zinc powder, and wherein antimony is displaced, and the antimony slag is used to reclaim antimony;
(5). will contain solution of indium through extraction, displacement, the smart indium of electrolysis production.
2. according to the technology of claim 1, the consumption that it is characterized in that reductive agent in the reduction reaction is 0.35 to 0.6 times of Water Quenching Slag weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004101029380A CN1621544A (en) | 2004-12-31 | 2004-12-31 | Comprehensive treating process for indium lead and stibium -containing smelting water quenching residue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004101029380A CN1621544A (en) | 2004-12-31 | 2004-12-31 | Comprehensive treating process for indium lead and stibium -containing smelting water quenching residue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1621544A true CN1621544A (en) | 2005-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2004101029380A Pending CN1621544A (en) | 2004-12-31 | 2004-12-31 | Comprehensive treating process for indium lead and stibium -containing smelting water quenching residue |
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| CN (1) | CN1621544A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100443604C (en) * | 2006-11-20 | 2008-12-17 | 深圳市中金岭南有色金属股份有限公司韶关冶炼厂 | Extraction and separation technology for reclaiming main impurity in indium in hydrochloric acid system |
| CN101078052B (en) * | 2007-06-23 | 2010-04-21 | 王树楷 | Method for synthetically reclaiming iron and non-ferrous metal from solid waste of iron and steel plant |
| CN102586611A (en) * | 2012-03-20 | 2012-07-18 | 广西成源矿冶有限公司 | Method for recovering lead, antimony, zinc, tin and indium from lead-antimony grain slag with electric furnace through temperature control by stages |
| CN102618730A (en) * | 2012-02-23 | 2012-08-01 | 永兴县华鑫铅锡有限责任公司 | Process for separating materials containing indium, lead, silver, copper and bismuth |
| CN102628103A (en) * | 2012-02-23 | 2012-08-08 | 永兴县华鑫铅锡有限责任公司 | Method for enriching valuable metal from mine tailing and smelting slag by fire method |
| CN103290212A (en) * | 2012-02-24 | 2013-09-11 | 于军 | Clean smelting method of indium |
| CN108330297A (en) * | 2018-03-26 | 2018-07-27 | 赣州市赤鼎再生资源有限公司 | A kind of method that abandoned mine material recycles |
-
2004
- 2004-12-31 CN CNA2004101029380A patent/CN1621544A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100443604C (en) * | 2006-11-20 | 2008-12-17 | 深圳市中金岭南有色金属股份有限公司韶关冶炼厂 | Extraction and separation technology for reclaiming main impurity in indium in hydrochloric acid system |
| CN101078052B (en) * | 2007-06-23 | 2010-04-21 | 王树楷 | Method for synthetically reclaiming iron and non-ferrous metal from solid waste of iron and steel plant |
| CN102618730A (en) * | 2012-02-23 | 2012-08-01 | 永兴县华鑫铅锡有限责任公司 | Process for separating materials containing indium, lead, silver, copper and bismuth |
| CN102628103A (en) * | 2012-02-23 | 2012-08-08 | 永兴县华鑫铅锡有限责任公司 | Method for enriching valuable metal from mine tailing and smelting slag by fire method |
| CN103290212A (en) * | 2012-02-24 | 2013-09-11 | 于军 | Clean smelting method of indium |
| CN102586611A (en) * | 2012-03-20 | 2012-07-18 | 广西成源矿冶有限公司 | Method for recovering lead, antimony, zinc, tin and indium from lead-antimony grain slag with electric furnace through temperature control by stages |
| CN108330297A (en) * | 2018-03-26 | 2018-07-27 | 赣州市赤鼎再生资源有限公司 | A kind of method that abandoned mine material recycles |
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