KR970059287A - Method for Recovering Pure Metal Lead from Waste Lead Storage Batteries - Google Patents
Method for Recovering Pure Metal Lead from Waste Lead Storage Batteries Download PDFInfo
- Publication number
- KR970059287A KR970059287A KR1019970001781A KR19970001781A KR970059287A KR 970059287 A KR970059287 A KR 970059287A KR 1019970001781 A KR1019970001781 A KR 1019970001781A KR 19970001781 A KR19970001781 A KR 19970001781A KR 970059287 A KR970059287 A KR 970059287A
- Authority
- KR
- South Korea
- Prior art keywords
- flux
- lead
- waste
- sodium
- metal scrap
- Prior art date
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- Secondary Cells (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
본 발명은 폐기 잡 축전지로부터 금속 납을 회수하는 방법에 관한 것이다. 본 발명에 따르면 폐기 축전지에서 채취한 금속 스크랩은 용요된 융제막 하에서 실시되는 용련 과정에 의하여 처리된다. 융제는 알칼리 수산화물로 구성디ㅗ고 선택적으로 상기 알칼리의 탄산염 밑 황산염으로 구성된다. 용련 과정동안 유지되는 온도는 350˚내지 600˚C 사이이고 가장 바람직하게는 450˚C내지 550˚C 사이이다. 금속 스크랩과 융제 사이의 바람직한 중량 비율은 15 내지 45상이다. 일반적으로, 알칼리 융제는 수산화나트륨과 수산화칼륨 및 그 혼합물로부터 선택된다. 본 발명에 따른 방법은 공지된 방법에 비하여 높은 납 회수량을 가지며 배출가스가 생성되지 않는다는 장점을 가진다.The present invention relates to a method for recovering metallic lead from a waste job storage battery. According to the present invention, the metal scrap collected from the waste storage battery is treated by a smelting process performed under the melted flux film. The flux consists of alkali hydroxides and optionally consists of sulfates below the carbonates of the alkalis. The temperature maintained during the melting process is between 350 ° and 600 ° C. and most preferably between 450 ° and 550 ° C. The preferred weight ratio between the metal scrap and the flux is from 15 to 45 phases. Generally, the alkali flux is selected from sodium hydroxide and potassium hydroxide and mixtures thereof. The method according to the invention has the advantage that it has a high lead recovery and no exhaust gas is produced compared to the known methods.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.
Claims (7)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IL11688496A IL116884A0 (en) | 1996-01-24 | 1996-01-24 | A process for the manufacture of pure metallic lead from exhausted batteries |
IL116,884 | 1996-01-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR970059287A true KR970059287A (en) | 1997-08-12 |
Family
ID=65953343
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970001781A KR970059287A (en) | 1996-01-24 | 1997-01-22 | Method for Recovering Pure Metal Lead from Waste Lead Storage Batteries |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR970059287A (en) |
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1997
- 1997-01-22 KR KR1019970001781A patent/KR970059287A/en not_active Application Discontinuation
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