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一种提高铝电解工艺中氧化铝溶解速率的方法

申请公布号:CN102312252A

申请号:CN201110267250.8

申请日期:2011.09.09

申请公布日期:2012.01.11

申请人:
东北大学

发明人:高炳亮;王兆文;杨希坚;石忠宁;胡宪伟;于亚鑫

分类号:C25C3/18(2006.01)I

主分类号:C25C3/18(2006.01)I

代理机构:
沈阳东大专利代理有限公司 21109

代理人:李在川

地址:110819 辽宁省沈阳市和平区文化路3号巷11号

摘要:本发明属于铝电解技术领域,具体涉及一种提高铝电解工艺中氧化铝溶解速率的方法。其要点是,向电解槽中加入载氟氧化铝、高灼减氧化铝或者含添加剂的氧化铝作为电解原料,氧化铝在溶解过程中能逸出氟化氢、水蒸气或者二氧化碳起到搅拌作用,极大地提高了氧化铝在电解槽中的溶解速率。本发明方工艺极其简单,成本低廉,可有效提高氧化铝的溶解速率,提高电解工艺的电流效率,降低电解温度,从而降低行业能耗,节省能源,可在工业生产中广泛推广应用。

主权项:一种提高铝电解工艺中氧化铝溶解速率的方法,以冰晶石作为熔剂,其特征在于向电解槽中加入载氟氧化铝、高灼减氧化铝或者含添加剂的氧化铝作为电解原料。

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