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    • 5. 发明申请
    • CARBON-BASED BODIES IN PARTICULAR FOR USE IN ALUMINIUM PRODUCTION CELLS
    • 基于碳的体系,特别适用于铝生产细胞
    • WO1994021573A1
    • 1994-09-29
    • PCT/IB1994000045
    • 1994-03-21
    • MOLTECH INVENT S.A.SEKHAR, Jainagesh, A.LIU, James, Jenq
    • MOLTECH INVENT S.A.
    • C04B35/52
    • C04B35/651C04B35/528C25C3/125
    • A carbon containing material for use in particular as an anode of electrolytic cells for the production of aluminium by the electrolysis of alumina in a cryolite-based electrolyte, consists substantially of a mixture of one or more particulate carbonaceous material(s) with a binder based on compounds of aluminium with carbon, oxygen and/or nitrogen, such as aluminium carbide or aluminium oxycarbide, or such compounds mixed with aluminium. This binder is obtained by mixing the particulate carbonaceous material(s) with particulate aluminium and with at least one compound of aluminium, lithium, cerium, calcium and sodium in a liquid carrier, and heat treating to form the binder. The liquid carrier may comprise a binding agent selected from methyl cellulose, polyvinyl alcohol and colloidal suspensions, in particular colloidal alumina.
    • 用于特别是用于通过在冰晶石基电解质中电解氧化铝来生产铝的电解池的阳极的含碳材料基本上由一种或多种颗粒状碳质材料与基于粘合剂的混合物组成 在具有碳,氧和/或氮的铝的化合物上,例如碳化铝或碳氧化铝,或与铝混合的这种化合物。 该粘合剂通过将颗粒状碳质材料与颗粒状铝和至少一种铝,锂,铈,钙和钠的化合物混合在液体载体中并进行热处理以形成粘合剂而获得。 液体载体可以包含选自甲基纤维素,聚乙烯醇和胶体悬浮液,特别是胶态氧化铝的粘合剂。