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Process for the preparation of metallosilicates of tetravalent lanthanide and actinide series metals using heterpoly metallates
Process for the preparation of metallosilicates of tetravalent lanthanide and actinide series metals using heterpoly metallates
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机译:使用杂多金属酸盐制备四价镧系和act系金属的金属硅酸盐的方法
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摘要
A molecular sieving metallosilicate is disclosed which comprises a complex represented in terms of mole ratios of oxides by the formula: ##STR1## wherein A is an ammonium, alkyl ammonium, alkyl phosphonium or alkyl arsonium ion; D is an alkali or alkaline earth metal ion or a mixture of two or more thereof; E is selected from the group consisting of Al, B, Mo, W, Fe, or a mixture of two or more thereof; M is a tetravalent metal selected from the Lanthanide or Actinide series; a is a number ranging from zero to about 25; b is a number ranging from zero to about 1.5; c is a number ranging from zero to about 0.3; d is a number ranging from about 20 to about 500; e is a number ranging from zero to about 200. The X-ray diffraction pattern for these metallosilicates indicates a ZSM-5 like crystalline structure. A method for making these metallosilicates, and a method for dehydrating and reforming methanol using these metallosilicates are disclosed.
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