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    • 69. 发明授权
    • Process for producing Mg-containing non-Al anionic clay
    • 含Mg非铝阴离子粘土的制备方法
    • US06652828B2
    • 2003-11-25
    • US10231673
    • 2002-08-30
    • Dennis StamiresWilliam Jones
    • Dennis StamiresWilliam Jones
    • C01F502
    • C09C1/42B01J20/04B01J20/041B01J20/043B01J20/3007B01J20/3078B01J20/3085B01J21/16B01J23/007C01B13/363C01G3/006C01G9/006C01G15/006C01P2002/22
    • This patent describes economical and environment-friendly processes for the synthesis of Mg-containing non-Al anionic clays. It involves a one-step process wherein a suspension comprising a trivalent metal source and at least a magnesium containing source as a divalent metal source is reacted to obtain a magnesium-containing non-Al anionic clay. The anionic clay has interlayers containing anions comprising hydroxycarbonate, carbonate, bicarbonate, acetate, hydroxyacetate, oxalate, nitrate, hydroxyl, and/or formate or mixtures thereof. There is no necessity to wash or filter the product. It can be spray dried directly to form microspheres or can be extruded to form shaped bodies. 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.
    • 该专利描述了用于合成含Mg非铝阴离子粘土的经济和环境友好的方法。 它涉及一步法,其中将包含三价金属源和至少含镁源作为二价金属源的悬浮液反应,得到含镁非Al阴离子粘土。 阴离子粘土含有含有羟基碳酸盐,碳酸盐,碳酸氢盐,乙酸盐,羟基乙酸盐,草酸盐,硝酸盐,羟基和/或甲酸盐或其混合物的阴离子的中间层。 没有必要洗涤或过滤产品。 它可以直接喷雾干燥以形成微球体,或者可以挤出形成成型体。 该产品可以与制造催化剂,吸收剂,药物,化妆品,洗涤剂和其他含有阴离子粘土的商品一起制成其他成分。