废铅酸电池铅膏回收技术的研究进展  

Review of recovery technology for lead paste from spent lead acid battery

作　　者：杨家宽[1] 朱新锋[1] 刘万超[1] 杨海玉[1] 肖波[1] 

机构地区：[1]华中科技大学环境科学与工程学院,湖北武汉430074

出　　处：《现代化工》2009年第3期32-37,共6页Modern Chemical Industry

基　　金：国家自然科学基金资助项目(50804017)

摘　　要：总结了铅酸蓄电池的发展现状,介绍了废铅酸电池的产生过程以及目前广泛采用的火法冶金工艺铅回收技术。指出现有废铅酸电池火法冶金工艺存在高耗能,排放大量SO2酸性气体、CO2温室气体以及挥发性铅尘等大气污染物。因此,许多研究者探讨湿法再生铅工艺,其中包括以RSR工艺为代表的脱硫转化-还原转化-电积法三段式湿法电积工艺。剑桥大学开发的柠檬酸湿法浸取铅膏的新工艺,铅回收直接制备电池生产用超细PbO粉体,为废旧铅酸电池的回收技术提供了一种新的思路。The current situation and development of lead acid battery is summarized, the generation process of spent lead acid battery and the recovery technology widely adpoted for lead by pyrometallurgy process is introduced. However, the smelting route is associated with the emission of greenhouse gas CO2, acid rain gas S02, and criteria pollutants emission of volatile lead particulates. Therefore, alternative hydrometallurgical routes are investigated by many researchers. As a typical hydrometallurgieal process, the three-step hydrometallurgical-electrowining process is expressed as desulfalization-reduction-electrowinning, such as RSR process. A novel hydrometallurgical process is proposed to recover lead paste with aqueous solution of citric acid developed in University of Cambridge. Moreover, ultrafine lead oxide powder is prepared from spent lead battery, and directly used as PbO powder in the production of new battery.

关 键 词：废铅酸电池 湿法冶金 再生铅 回收技术 

分 类 号：TM912[电气工程—电力电子与电力传动]