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    • 4. 发明授权
    • Nanocrystalline inorganic based zeolite and method for making same
    • 纳米晶体无机基沸石及其制备方法
    • US06793911B2
    • 2004-09-21
    • US10067719
    • 2002-02-05
    • Johannes Hendrik KoeglerChuen Y. YehPhilip J. Angevine
    • Johannes Hendrik KoeglerChuen Y. YehPhilip J. Angevine
    • C01B2924
    • C01B39/04C01B39/24Y10S423/21
    • A method for making a zeolite includes impregnating a porous inorganic oxide with a liquid solution containing an inorganic micropore-forming directing agent. The amount of liquid solution is no more than about 100% of the pore volume of the porous inorganic oxide, and the concentration of the directing agent in the liquid solution ranges from 21% to about 60% by weight. The impregnated amorphous inorganic oxide is heated at a synthesis temperature of from about 50° C. to about 150° C. for a duration of time sufficient to form a zeolite-containing product. The method herein is advantageous for the transformation of a mesoporous or macroporous amorphous inorganic material to a composite structure containing the original mesoporous or macropores, but wherein at least some of the porous inorganic oxide material is converted to nanocrystalline zeolite, such as zeolite Y.
    • 制造沸石的方法包括用含有无机微孔形成导向剂的液体溶液浸渍多孔无机氧化物。 液体溶液的量不超过多孔无机氧化物的孔体积的约100%,液体溶液中的引导剂的浓度为21重量%至约60重量%。 将浸渍的无定形无机氧化物在约50℃至约150℃的合成温度下加热足够长的时间以形成含沸石的产物。 这里的方法有利于将介孔或大孔无定形无机材料转化成含有原始介孔或大孔的复合结构,但是其中至少一些多孔无机氧化物材料被转化为纳米晶体沸石,例如沸石Y.