铝电解典型危废的清洁回收技术研究进展  

Research Progress on Clean Disposal and Recovery Technologies of Typical Hazardous Solid Waste from Aluminum Electrolysis Process

作　　者：唐煜晟 杨万章 陈本松 马路通 邱哲生 林艳[1,3] TANG Yusheng;YANG Wanzhang;CHEN Bensong;MA Lutong;QIU Zhesheng;LIN Yan(Faculty of Metallurgy and Energy Engineering,Kunming University of Science and Technology,Kunming 650093,China;Yunnan Yunlv Runxin Aluminum Industry Co.,Ltd.,Gejiu 661000,China;State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization,Kunming 650093,China)

机构地区：[1]昆明理工大学冶金与能源工程学院,云南昆明650093 [2]云南云铝润鑫铝业有限公司,云南个旧661017 [3]省部共建复杂有色金属资源清洁利用国家重点试验室,云南昆明650093

出　　处：《湿法冶金》2023年第6期551-558,共8页Hydrometallurgy of China

基　　金：云南省科技计划工业高新技术专项(202203AA080007)。

摘　　要：电解铝流程产出的大修渣、铝灰、炭渣是典型危废,因含有大量Al、F等有价元素,兼具环境污染和资源回收双重属性。概述了铝电解典型危废的分类与特性,阐述了铝电解典型危废绿色清洁回收方法的研究进展,重点介绍了浮选法和化学浸出法的优缺点,指出了铝电解典型危废回收技术的发展趋势和方向。Overhaul slag,aluminum ash,and carbon slag produced by the electrolytic aluminum process are typical hazardous wastes,which contain a large amount of valuable elements such as Al and F,and have the dual attributes of environmental pollution and resource recovery.The classification and characteristics of typical hazardous wastes generated from aluminum electrolysis are summarized.Furthermore,the research progress of green and clean recycling methods for typical hazardous wastes in aluminum electrolysis is described.The advantages and disadvantages of flotation and chemical leaching methods are emphatically introduced.Finally,the development trend and direction of recycling technologies for typical hazardous waste in aluminum electrolysis are proposed.

关 键 词：铝电解 危废回收 大修渣 炭渣 铝灰 

分 类 号：TF821[冶金工程—有色金属冶金] X75[环境科学与工程—环境工程]