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Preparation of zeolite-bound FAU structure type zeolite and use thereof
Preparation of zeolite-bound FAU structure type zeolite and use thereof
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机译:沸石结合的FAU结构型沸石的制备及其用途
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摘要
This invention relates to a process for producing zeolite-bound FAU structure type zeolite having excellent mechanical strength and containing reduced amounts of zeolite P and the use of the zeolite-bound FAU structure type zeolites produced by the process. The zeolite-bound FAU structure type zeolite is prepared by converting the silica of a silica-bound FAU structure type aggregate in an aqueous mixture containing an effective amount of crown ether, e.g., 15-crown-5 and 18-crown-6, to suppress the formation of zeolite P and sufficient hydroxy ions to cause the silica to be converted to the zeolite. The zeolite-bound FAU structure type zeolite finds particular application in adsorption processes and hydrocarbon conversion processes such as catalytic cracking, hydrocracking, and reforming.
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