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拜耳法赤泥分离、洗涤系统现状1.工艺流程拜耳法生产氧化铝的基本原理是:(Ⅰ)用NaOH溶液溶出铝土矿,所得到的铝酸钠溶液在添加晶种、不断搅拌的条件下,溶液中的氧化铝呈氢氧化铝析出,即种分过程。(2)分解得到的母液,经蒸发
Bayer red mud separation, the status of the washing system 1. Process Bayer process alumina production of the basic principles are: (I) with NaOH solution to dissolve bauxite, sodium aluminate solution obtained in the addition of seeds, stirring conditions Under the aluminum hydroxide solution was precipitated aluminum hydroxide, that is, seed separation process. (2) decomposition of the mother liquor, the evaporation