期刊
APPLIED CATALYSIS A-GENERAL
卷 203, 期 1, 页码 91-100出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0926-860X(00)00469-5
关键词
Bisphenol-A; phenol; acetone; heteropoly acids; mesoporous material
The 12-tungstophosphoric acid (HPW) and its insoluble salts containing either caesium or ammonium cations were encapsulated into channels of a MCM-41 molecular sieve and they were used as catalyst for the liquid phase synthesis of Bisphenol-A From phenol and acetone. For comparison, zeolites ZSM-5, H-Y and dealuminated H-DY have also been tested in this reaction. The CsHPW/MCM system appeared to be the most selective towards p,p' isomer formation. (C) 2000 Elsevier Science B.V. All rights reserved.
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