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A method for reducing the percentage of Alumina Trihydrate Crystals with diameter less than 200 microns,
A method for reducing the percentage of Alumina Trihydrate Crystals with diameter less than 200 microns,
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机译：一种减少直径小于200微米的三水合氧化铝晶体百分比的方法，
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摘要
Method of reducing the percentage of Alumina Trihydrate Crystals with diameter less than 200 microns.Comprising: (a) add the liquid to the procedure before the crystallization of Bayer Alumina Trihydrate, 50 ppm of a Poly (Acid crilico); (b) to treat the mixture of between 65 and 79jc) for 15 to 20 hours to precipitate the large Crystals of Alumina Trihydrate; (c) add to aliquido ago The Bayer Process (60 ppm of Poly (acrylic acid)To agglomerate Sodium oxalate crystals; (d) add to the Mix (c) seed Crystals of Sodium oxalate; and (e) to cool The Liquid Crystallizer temperature enough, for all the Sodium oxalate. It is used to purify the alumina.
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