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    • 5. 发明授权
    • Catalyst of a metal heteropoly acid salt that is insoluble in a polar solvent on a non-metallic porous support and method of making
    • 在非金属多孔载体上不溶于极性溶剂的金属杂多酸盐的催化剂及其制备方法
    • US06472344B1
    • 2002-10-29
    • US09395309
    • 1999-09-13
    • Yong WangCharles H. F. PedenSaemin Choi
    • Yong WangCharles H. F. PedenSaemin Choi
    • B01J2718
    • B01J37/0209B01J27/188B01J37/0205
    • The present invention includes a catalyst having (a) a non-metallic support having a plurality of pores; (b) a metal heteropoly acid salt that is insoluble in a polar solvent on the non-metallic support; wherein at least a portion of the metal heteropoly acid salt is dispersed within said plurality of pores. The present invention also includes a method of depositing a metal heteropoly acid salt that is insoluble in a polar solvent onto a non-metallic support having a plurality of pores. The method has the steps of: (a) obtaining a first solution containing a first precursor of a metal salt cation; (b) obtaining a second solution containing a second precursor of a heteropoly acid anion in a solvent having a limited dissolution potential for said first precursor; (c) impregnating the non-metallic support with the first precursor forming a first precursor deposit within the plurality of pores, forming a first precursor impregnated support; (d) heating said first precursor impregnated support forming a bonded first precursor impregnated support; (e) impregnating the second precursor that reacts with the precursor deposit and forms the metal heteropoly acid salt.
    • 本发明包括具有(a)具有多个孔的非金属载体的催化剂; (b)在非金属载体上不溶于极性溶剂的金属杂多酸盐; 其中所述金属杂多酸盐的至少一部分分散在所述多个孔内。 本发明还包括将不溶于极性溶剂的金属杂多酸盐沉积到具有多个孔的非金属载体上的方法。 该方法具有以下步骤:(a)获得含有金属盐阳离子的第一前体的第一溶液; (b)在所述第一前体具有有限的溶解电位的溶剂中获得含有杂多酸阴离子的第二前体的第二溶液; (c)用所述第一前体浸渍所述非金属载体,在所述多个孔内形成第一前体沉积物,形成第一前体浸渍载体; (d)加热形成粘合的第一前体浸渍载体的所述第一前体浸渍的载体; (e)浸渍与前体沉积物反应的第二前体并形成金属杂多酸盐。