CN1311341A - Treating method and process for lead anode mud - Google Patents
Treating method and process for lead anode mud Download PDFInfo
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- CN1311341A CN1311341A CN00102538A CN00102538A CN1311341A CN 1311341 A CN1311341 A CN 1311341A CN 00102538 A CN00102538 A CN 00102538A CN 00102538 A CN00102538 A CN 00102538A CN 1311341 A CN1311341 A CN 1311341A
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- lead
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- containing lead
- anode slurry
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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
Abstract
This invention relates to method and process for treating lead anode mud. It this invention, the treatment incldues: first fire method and then wet method. The mud is used for producing lead with fire method using traditional method; then the lead is processed into powder by using atomization powder making technique. With method of Patent ZL 89103853.1 technique, gold, silver and other metals are recoved by controlling potential to proceed selectively leaching. Advantages are large scale of treatment of lead mud, high recovery rate, low chemicals consumption, low environmental pollution.
Description
The present invention relates to the processing of lead anode slurry, belong to precious metal and refine.
Mainly contain elements such as Au, Ag, Sb, Bi, Cu, Pb in the lead anode slurry.Both at home and abroad to the processing of lead anode slurry, generally adopt traditional firing method process, promptly plumbous mud is through the retailoring precious metals containing lead of Au, Ag that obtained enrichment, and the precious metals containing lead oxidation refining removes Pb, Sb, Bi, Cu obtain thick silver, and thick silver-colored electrolysis gets fine silver, reclaims Au in the silver-colored mud.The advantage of pyrogenic process is the Technology maturation, and is wide to adaptability to raw material, and treatment capacity is big, and shortcoming is that silver-colored direct yield is lower, only reaches 85～88%.Flue dust that generates in the fusion process and argentiferous slag are difficult, the comprehensive difficulty that reclaims, and environmental pollution is comparatively serious.In order to overcome the shortcoming of thermal process, all carried out the research of wet processing process both at home and abroad, mainly be to adopt various reagent to leach Sb, Bi, impurity such as Cu, As, reclaim wherein Au, Ag then.The inventor is in Chinese patent ZL89103853.1 denomination of invention: disclose a kind of CONTROLLED POTENTIAL method of utilizing in " a kind of method of lead anode slurry wet processing " and selected to leach from lead anode slurry to reclaim the wet treatment method of valuable metal.
Traditional relatively thermal process, the advantage of simple wet processing is that the straight receipts of gold and silver can reach more than 95%, and can from pickling liquor, comprehensively reclaim Sb, Bi, Cu etc., but it is big that shortcoming is a reagent consumption, maintenance of equipment work amount is big, the recycling amount of waste liquid is big, so labour productivity is low than pyrogenic process, thereby has increased production cost.
The advantage of comprehensive traditional thermal process of the present invention and foregoing invention patent " a kind of treatment process of lead anode slurry " proposes the new way and the treatment process of the combination treatment lead anode slurry of wet method behind a kind of first pyrogenic process.
Technical scheme of the present invention realizes by following step:
1, lead anode slurry and flux and coal dust are mixed according to traditional thermal process melting, emit smelting slag;
2, continue melting, run Sb 600-900 ℃ of temperature range blowing oxidation, and make the Pb oxidative slagging, the content of Ag and Cu, Bi improves in the precious metals containing lead that obtains thereby make;
3, utilize powder by atomization technology in the metallic substance preparation field and equipment that the fused precious metals containing lead is handled and obtain particle diameter≤80 purpose precious metals containing lead powder, concrete step is: with also overheated 300-400 ℃ of precious metals containing lead fusing, then precious metals containing lead is melted body and inject a graphite funnel, use 6-8Kg/cm
2High-pressure air makes and melts body atomizing, makes by the high speed rotating dish and melts body fluid and drip further fragmentation and cooling, obtains the following precious metals containing lead fine powder of-80 orders:
4, be ZL89103853.1 according to the inventor in the patent No., name is called disclosed method in " a kind of lead anode slurry wet treatment method " patent of invention specification sheets, the precious metals containing lead powder is placed the HCl medium, solid-to-liquid ratio in accordance with regulations, temperature condition, feed chlorine, CONTROLLED POTENTIAL is carried out a series of processing such as selectivity leaching and is obtained gold, silver and copper, bismuth concentrate.
The technology of gas atomization system precious metals containing lead powder of the present invention is to adopt the technology of producing metal and powdered alloy at present, and atomization technique is except that utilizing high pressure gas, and is also available hydraulic atomized, ultrasonic atomization, multistage atomizing etc.Use this powder by atomization technology that precious metals containing lead is formed fine powder, help next step leaching, thereby make the rate of recovery of the more complete raising of leaching gold and silver.
The inventive method advantage is:
1, the inventive method combines the advantage of traditional thermal process and existing wet process, the big and metal direct yield height of treatment capacity.To thick silver alloys plate, gold and silver directly receives＞97.8% from plumbous mud, and the antimony in the plumbous mud directly receives 〉=43% in flue dust.The silver-colored cost of ton only because the reduction of acid-base reagent consumption just reduces more than 10,000 yuan than thermal process, reduces more than 0.7 ten thousand yuan than wet method technology.
2, plumbous mud at first reduces nearly 2/3 through the precious metals containing lead amount that pyrogenic attack obtains with respect to plumbous mud amount, also owing to influences such as silicon, glue in the plumbous mud are leached, filtering impurity have been removed when melting, so it is relatively little that the precious metals containing lead powder leaches treatment capacity, acid leaching residue filters easily, direct acidleach goes out compared with plumbous mud, and is at the consumption of equipment and reagent, all simple on the treating processes, convenient, easy handling.
3, method of the present invention has alleviated the pollution to environment greatly with respect to traditional thermal process.
4, thermal process that method of the present invention is more traditional and simple wet processing process energy consumption reduce, and labour productivity improves, thereby has reduced production cost.
5, the topmost step of the inventive method promptly adopts the powder by atomization technology in the metal material field that precious metals containing lead is pulverized, and makes the precious metals containing lead powder that obtains can leach processing more quickly and effectively.
Method of the present invention is applicable to: the processing of lead anode slurry: copper anode mud lead anode slurry combination treatment; The processing of antimony anode mud; The antimony one tin alloy extraction precious metal that the scolding tin anodic is handled and contained precious metal.
Embodiment:
Plumbous mud composition (weight %): the Ag14-16 of certain factory, Sb35-45, Bi6-8, Cu7-10, Pb10～12; Au60-80g/t.Get precious metals containing lead with traditional pyrometallurgical smelting, and obtain high-grade precious metals containing lead after antimony is run in 600-900 ℃ of blowing, composition (weight %) is Ag41.22, Sb4.06, Bi21.64, Cu24.80, Pb0.68 precious metals containing lead productive rate 32.8%.
Fusion precious metals containing lead 1000g, overheated 400 ℃, melt body and inject a graphite funnel, use 8Kg/cm
2High-pressure air makes and melts body atomizing, makes by the high speed rotating dish and melts body fluid and drip further fragmentation cooling, and obtaining particle diameter is-160 purpose precious metals containing lead powder, and at 3.5NHCL, solid-to-liquid ratio is 1: 8, and normal temperature leads to Cl
2Under the condition, CONTROLLED POTENTIAL 400～420MV leached 2 hours, leached mud 20%NaOH, and solid-to-liquid ratio is 1: 3, handles 1 hour for 80～90 ℃, and cooling is filtered, and leached mud dry weight 560g contains Ag72.94%.Rich silver-colored slag is allocated 20% soda ash into, 1150 ℃ of meltings, obtains the thick silver-colored 412g of argentiferous 98.45%, from plumbous mud to thick silver metal direct yield is: Ag, Au97.8%, Sb43% (in the flue dust), Bi69.5% (in the bismuth concentrate), Cu77% (in the copper ore concentrates).Based on of the cost keeping of this factory to former thermal process and former wet processing, calculate the silver-colored cost of ton with the various similar consumption contrasts of novel process (the present invention) and lack 1.46 ten thousand yuan than former thermal process, lack 10,000 yuan than former wet processing (the direct acidleach of plumbous mud).
Claims (2)
1, a kind of lead anode slurry treatment process comprises that pyrometallurgical smelting becomes precious metals containing lead, and precious metals containing lead powdered and CONTROLLED POTENTIAL selectivity leach, and it is characterized in that:
1) earlier lead anode slurry is obtained precious metals containing lead by traditional thermal process melting, emit smelting slag;
2) continue melting, the blowing oxidation removes antimony in 600～900 ℃ of temperature ranges, and plumbous oxidative slagging obtains the precious metals containing lead of gold and silver and copper, the further enrichment of bismuth;
3) precious metals containing lead handles with the molten metal atomization that to obtain particle diameter be-80 purpose powder;
4) according to Chinese patent, patent No. ZL89103853.1, denomination of invention: " a kind of method of lead anode slurry wet processing " specification sheets disclosed method is handled precious metals containing lead Powder Recovery gold and silver, bismuth, copper metal.
2, a kind of treatment process of lead anode slurry as claimed in claim 1 is characterized in that said molten metal atomization comprises: the high-pressure air atomizing, and hydraulic atomized, ultrasonic atomization, rotating disk atomizing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001025384A CN1198951C (en) | 2000-03-03 | 2000-03-03 | Treating method and process for lead anode mud |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001025384A CN1198951C (en) | 2000-03-03 | 2000-03-03 | Treating method and process for lead anode mud |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1311341A true CN1311341A (en) | 2001-09-05 |
| CN1198951C CN1198951C (en) | 2005-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001025384A Expired - Fee Related CN1198951C (en) | 2000-03-03 | 2000-03-03 | Treating method and process for lead anode mud |
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| CN (1) | CN1198951C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106222424A (en) * | 2016-08-29 | 2016-12-14 | 锡矿山闪星锑业有限责任公司 | A kind of from noble antimonial alloy, synthetical recovery is expensive, the method for base metal |
-
2000
- 2000-03-03 CN CNB001025384A patent/CN1198951C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106222424A (en) * | 2016-08-29 | 2016-12-14 | 锡矿山闪星锑业有限责任公司 | A kind of from noble antimonial alloy, synthetical recovery is expensive, the method for base metal |
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| Publication number | Publication date |
|---|---|
| CN1198951C (en) | 2005-04-27 |
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Owner name: XIANGCHEN HIGH-TECH INDUSTRIES CO., LTD., CHENZHOU Free format text: FORMER OWNER: GUIYAN PLATINUM INDUSTRY CO., LTD. Effective date: 20101214 |
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Free format text: CORRECT: ADDRESS; FROM: 650221 KETAOQING, 2ND RING ROAD NORTH, KUNMING CITY, YUNNAN PROVINCE TO: 423000 NO.36, WANHUA ROAD, DEVELOPMENT ZONE, CHENZHOU CITY, HU NAN PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20101214 Address after: Chenzhou City, Hunan province 423000 000 Road Development Zone No. 36 Patentee after: Hunan Chenzhou Xiangchen High-Tech Industrial Co., Ltd. Address before: 650221 walnut Road, 2nd Ring Road, Kunming, Yunnan Patentee before: Guiyan Platinum Industry Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050427 Termination date: 20150303 |
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