随着适合于碱法生产氧化铝的铝土矿不断减少,从非铝土矿的含铝原料中生产或回收铝的方法日显重要,其中酸浸法就是其中较为常用的一种.但是,酸浸法从非铝土矿的含铝原料和铝土矿中生产铝面临着铝、铁分离较为困难的这一重大问题,严重阻碍了酸浸法生产铝工艺的发展.本文简单介绍了酸浸法生产铝的工艺及特点,综述了重结晶法、沉淀法、有机萃取法及其他铁离子的去除方法等研究现状及它们各自的优缺点.通过以上几种除铁离子方法的对比,本文对未来除铁离子方法的的发展前景进行了展望.
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