Title: Treatment of aluminum electrolytic-cell waste lining
Application Number: 200610086891 Application Date: 2006.06.22
Publication Number: 1895803 Publication Date: 2007.01.17
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: B09B3/00;C25C3/08
Applicant(s) Name: China Aluminium Co., Ltd. Address:
Inventor(s) Name: Li Wangxing;Chen Xiping;Wang Yu;Zhao Qingjie;Luo Z
Attorney & Agent: li yingchun
Abstract:
    A process for reclaiming the used liner of aluminum electrolyzer includes such steps as crushing, mixing it with powdered coal ash and calcium lime, grinding, sphericizing, calcining, grinding, immersing in lime milk for removing residual soluble Fe ions, and filtering to obtain NaOH solution and the dregs used as the raw material to prepare cement and refractory.
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