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    • 5. 发明授权
    • Process for producing anionic clays using magnesium acetate
    • 使用醋酸镁生产阴离子粘土的方法
    • US06333290B1
    • 2001-12-25
    • US09247532
    • 1999-02-10
    • Dennis N. StamiresMichael F. BradyWilliam JonesFathi Kooli
    • Dennis N. StamiresMichael F. BradyWilliam JonesFathi Kooli
    • B01J2116
    • C01F7/005C01P2002/22C01P2002/50C01P2002/72
    • Economical and environment-friendly processes for the synthesis of anionic clays and anionic clay-like materials with acetate anions as the charge-balancing interlayer species are disclosed. The processes involve combining a slurry of a gibbsite or its thermally treated form with a slurry or solution of a magnesium source and magnesium acetate. The product is not washed, needs no filtration and exists in a close-to-neutral pH condition. The product can be spray dried directly to form microspheres, or it can be extruded to form shaped bodies. Because of the absence of foreign salts, the product can be combined with other ingredients in the manufacture of catalysts, absorbents, pharmaceuticals, cosmetics, detergents and other commodity products that contain anionic clays.
    • 公开了用乙酸根阴离子作为电荷平衡层间物质合成阴离子粘土和阴离子粘土样材料的经济和环境友好的方法。 该方法包括将三水铝矿或其热处理形式的浆料与镁源和乙酸镁的浆液或溶液组合。 产品不经过洗涤,不需要过滤,并且处于接近于中性的pH条件下。 该产品可以直接喷雾干燥以形成微球体,或者可将其挤出形成成型体。 由于没有外来的盐,该产品可以与其他成分组合在催化剂,吸收剂,药物,化妆品,洗涤剂和其他含有阴离子粘土的商品中。