CN109244576A - 铅酸蓄电池废电解液的提纯方法 - Google Patents

铅酸蓄电池废电解液的提纯方法 Download PDF

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Publication number
CN109244576A
CN109244576A CN201710562019.9A CN201710562019A CN109244576A CN 109244576 A CN109244576 A CN 109244576A CN 201710562019 A CN201710562019 A CN 201710562019A CN 109244576 A CN109244576 A CN 109244576A
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waste electrolyte
acid
lead
purification
potassium permanganate
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罗旭
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/54Reclaiming serviceable parts of waste accumulators
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/06Lead-acid accumulators
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/84Recycling of batteries or fuel cells

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Removal Of Specific Substances (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)

Abstract

本发明提供了一种铅酸蓄电池废电解液的提纯方法,该方法包括:将废电解液存入耐酸容器中,加入硫化钡和高锰酸钾,充分搅拌;待高锰酸钾的红色褪尽后,将上述液吸入烧瓶中;加热进行蒸馏,冷凝先得到水,后得到硫酸。本发明的方法可以使废电解液资源化,减少污染,对保护环境有利。

Description

铅酸蓄电池废电解液的提纯方法
技术领域
本发明涉及铅酸蓄电池,具体是铅酸蓄电池废电解液的提纯方法。
背景技术
铅酸蓄电池的电解液是用硫酸、蒸馏水、去离子配制而成,电解液在充放电循环中,板栅骨架中的锑、钙、锡溶解于电解液中,使电解液盐酸化而不能使用,常规的处理方法是将其抽出或倾入池中,加碱或石灰中和至pH6.5-7之后排放,不仅污染环境,还造成了资源浪费。
发明内容
本发明的目的,是要提供一种铅酸蓄电池废电解液的提纯方法。
实现本发明目的的技术方案是:
一种铅酸蓄电池废电解液的提纯方法,包括如下步骤:
1、将废电解液存入耐酸容器中,加入硫化钡和高锰酸钾,充分搅拌;
2、待高锰酸钾的红色褪尽后,将上述液吸入烧瓶中;
3、加热进行蒸馏,冷凝先得到水,后得到硫酸;
步骤1所述的硫酸钡的加入量1-1.2g/L,高锰酸钾的加入量0.8-1g/L。
本发明的优点:
可以去除铅酸蓄电池废电解液的杂质,得到提纯的硫酸,可重新使用,节约了资源,保护了环境。
具体实施方式
铅酸蓄电池废电解液的物理提纯工艺是,将废电解液盛在耐酸容器中8成满加入硫酸钡和高锰酸钾,加入量按每升废电解液高锰酸钾加入0.8g,硫酸铁加入1.2g,充分搅拌,存放30小时,去上清液到烧瓶中,点燃煤气加热,蒸馏出来的液体顺序为:水、稀酸、化学纯、浓酸。

Claims (2)

1.铅酸蓄电池废电解液的提纯方法,其特征是:包括如下步骤:
(1)将废电解液存入耐酸容器中,加入硫化钡和高锰酸钾,充分搅拌;
(2) 待高锰酸钾的红色褪尽后,将上述液吸入烧瓶中;
(3) 加热进行蒸馏,冷凝先得到水,后得到硫酸。
2.根据权利要求1所述的提纯方法,其特征是:步骤1所述的硫酸钡的加入量每升废电解液加入1.2-1.3g/L,高锰酸钾的加入量为0.8-1g/L。
CN201710562019.9A 2017-07-11 2017-07-11 铅酸蓄电池废电解液的提纯方法 Pending CN109244576A (zh)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101503255A (zh) * 2009-03-23 2009-08-12 中国科学院生态环境研究中心 利用多元复合絮凝沉降剂治理重金属污染的水体的方法
CN101759158A (zh) * 2009-12-23 2010-06-30 河南豫光金铅股份有限公司 从废污酸中再生回收硫酸的方法
CN103579710A (zh) * 2013-11-11 2014-02-12 吉林化工学院 废蓄电池回收利用的方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101503255A (zh) * 2009-03-23 2009-08-12 中国科学院生态环境研究中心 利用多元复合絮凝沉降剂治理重金属污染的水体的方法
CN101759158A (zh) * 2009-12-23 2010-06-30 河南豫光金铅股份有限公司 从废污酸中再生回收硫酸的方法
CN103579710A (zh) * 2013-11-11 2014-02-12 吉林化工学院 废蓄电池回收利用的方法

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Application publication date: 20190118