阳极氧化槽液中铝离子及硫酸回收的工艺探究  

Study on the Recycling Process for Aluminum Ion and Sulphuric Acid in Anodic Oxidation Bath

作　　者：孔冰 胡中华 王帅 张弟 任玉宝 KONG Bing;HU Zhong-hua;WANG Shuai;ZHANG Di;REN Yu-bao(Liaoning Zhongwang Group Co., Ltd., Liaoyang 111000, China)

机构地区：[1]忠旺集团研发中心

出　　处：《铝加工》2019年第3期23-25,共3页Aluminium Fabrication

摘　　要：采用向阳极氧化槽液中加入硫酸铵、与槽液中的铝离子发生反应,使其以沉淀析出的方法,研究将氧化槽液中铝离子含量控制在15g/L以下,减少硫酸槽液排放,达到节约成本及环保的最佳工艺。By adding ammonium sulfate to anodic oxidation bath, which react with the aluminum ions in the bath, making it precipitate out, aluminum ion content in liquid oxidation tank are controlled under 15 g/L, to reduce sulfur acid tank liquid emissions, the best technology of saving cost and environmental protection are obtained.

关 键 词：阳极氧化 硫酸铵 铝离子 

分 类 号：TG178.2[金属学及工艺—金属表面处理]