Title: Precalcined carbon anode contg, lithium carbonate
Application Number: 89105010 Application Date: 1989.01.20
Publication Number: 1044305 Publication Date: 1990.08.01
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C25C3/12
Applicant(s) Name: North-East China Polytechnical College Address:
Inventor(s) Name: Qiu Zhuxian CN)
Attorney & Agent: HAN MINGXING
Abstract:
     The present invention provides a precalcined carbon anode used in electrolytic preparation of aluminium. The said carbon anode contains 0.11-1.2% lithium carbonate to attain higher chemical reaction activity and promote anode overvoltage reduction by 120-200 mV and electric current efficiency increase by 1-2%, resulting in electricity saving of 400-600 kw per ton of aluminium produced.
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