Original document(21 pages)  中文版
    Zeolites (e.g. ZSM-5 and zeolite beta) enriched with hydroxyl groups are prepared by ammonia treatment of sieves which have suffered loss of tetrahedral aluminum from framework positions followed by careful calcination (200 DEG -450 DEG C.).
Application Number
申请号		 86107093 Application Date
申请日		 1986.10.18
Title 名称 Hydroxyl-rich zeolites and their preparation
Publication Number
公开号		 1010579 Publication Date
公开日		 1987.04.22
Approval Pub. Date Granted Pub. Date
International Classification 分类号 C01B33/28
Applicant(s) Name
申请人		 Mobil Oil Corp. (US) Fairfax Virginia 22037-0001 U.S.A.
Address 地址
Inventor(s) Name 发明人 Clarence Dayton Chang;Stuart Damon Hellring
Attorney & Agent 代理人 LIU YUANJIN WEI JINXI
More information 更  多  信  息


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