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 PDF

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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
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KR
South Korea
Prior art keywords
flux
lead
waste
sodium
metal scrap
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KR1019970001781A
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Korean (ko)
Inventor
마르굴리스 에핌
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티모르 티즈메네트스키 미론
마르굴레드 리미티드
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Priority claimed from IL11688496A external-priority patent/IL116884A0/en
Application filed by 티모르 티즈메네트스키 미론, 마르굴레드 리미티드 filed Critical 티모르 티즈메네트스키 미론
Publication of KR970059287A publication Critical patent/KR970059287A/en

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  • 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

페기 납 축전지로부터 순순한 금속 납을 회수하기 윈한 방법Methods for Recovering Pure Metal Lead from Waste Lead Acid Batteries

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (7)

폐기 납 축전지에서 채췬한 금속 스크랩을 알칼리 수산화물, 선택적으로는 상기 알칼리의 탄산염 및 황산염으로 구성된 용융 융제막 하에서 350˚C 내지 600˚C 사이의 온도에서 실시되는 용련 과정에 의해 처리함으로써 폐기 납 축전지로부터 순수한 금속 납을 회수하는 방법.Metal scrap collected in the waste lead acid battery is treated by a smelting process carried out at a temperature between 350 ° C. and 600 ° C. under a molten melt film composed of alkali hydroxides, optionally alkali carbonates and sulfates. How to recover pure metal lead. 제1항에 있어서, 알칼리 융제는 수산화나트륨, 수산화칼륨 및 그 혼합물로부터 선택됨을 특징으로 하는 폐기 납 툭전지로부터 순수한 금속 납을 회수하는 방법.The method of claim 1 wherein the alkaline flux is selected from sodium hydroxide, potassium hydroxide and mixtures thereof. 제1항에 있어서 용융된 융제의 바람직한 온도는 450˚C 내지 550˚C범위에서 유지됨을 특징으로 하는 폐기 납 축전지로부터 순수한 금속 납을 회수하는 방법.The method of claim 1 wherein the preferred temperature of the melted flux is maintained in the range of 450 ° C. to 550 ° C. 제2항과 제2항에 있어서, 액체 납을 덮고 있는 용융된 융제는 65% 내지 100%의 수산화나트륨 또는 수산화칼륨,0 내지 35%의 탄산나트륨 또는 탄산칼륨 , 그리고 0 내지 7%의 황산나트륨 또는 황산칼륨을 포함함을 특징으로 하는 폐기 납 축전지로부터 순순한 금속 납을 회수하는 방법.The molten flux covering the liquid lead according to claim 2 or 2, wherein 65% to 100% sodium or potassium hydroxide, 0 to 35% sodium carbonate or potassium carbonate, and 0 to 7% sodium sulfate or sulfuric acid A method for recovering pure metallic lead from a waste lead acid battery, characterized by containing potassium. 제1항 내지 제3항에 있어서, 금속 스크랩과 상기 융제 사이의 중량 비율은 15 내지 45사이입을 특징으로하는 폐기 납 축전질로부터 순수한 금속 납을 회수하는 방법.The method of claim 1, wherein the weight ratio between the metal scrap and the flux is between 15 and 45 siphon. 제1항 내지 제5항에 있어서, 송정이후에 사용된 융제는 물로 침출 처리되고 결과물인 알칼리 용약과 산화된 납 분말은 공정에 재사용됨을 특지으로 하는 폐기 납 축전지로부터 순수한 금속 납을 회수하는 방법.The method of claim 1, wherein the flux used after the purification is leached with water and the resulting alkaline solution and oxidized lead powder are reused in the process. 제1항 내지 제4항에 있어서, 공정 이후에 사용된 융제는 용해된 납 산화물을 전해제련함으로써 회두됨을 특징으로 하는 폐기 납 축전지로부터 순수한 금속 납을 회수하는 방법.The method of claim 1, wherein the flux used after the process is ashed by electrolytic smelting of the dissolved lead oxide. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019970001781A 1996-01-24 1997-01-22 Method for Recovering Pure Metal Lead from Waste Lead Storage Batteries KR970059287A (en)

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)

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KR970059287A true KR970059287A (en) 1997-08-12

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