Production of enclosed zeolite layers for use in e.g. catalysis or separation membranes, comprises first seed crystallization on carrier followed by further crystallization using different synthesis solution or gel

作者: Marc Hanebuth , Roland Dittmeyer , Godwin Tafara Peter Mabande , Wilhelm Schwieger , Thangaraj Selvam

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摘要: Production of enclosed zeolite layers involves: (1) single-stage crystallization seed crystals directly on a carrier; and (2) treating the seeded carrier with synthesis solution or gel under suitable conditions to grow an layer in second step, this cycle having composition different that seeding process.

参考文章(3)
James Alexander McHenry, Johannes Petrus Verduijn, Harry William Deckman, Wenyih Frank Lai, Supported zeolite membranes with controlled crystal width and preferred orientation grown on a growth enhancing layer ,(1994)
Peter Dr. Kölsch, Jürgen Dr. Caro, Manfred Dr. Noack, Ronald Dr. Schäfer, Cornelia Weh, Verfahren zur Herstellung von Molekularsieb-Membranen auf porösen Trägern ,(2000)
Eduard Rudolf Geus, Wridzer Jan Willem Bakker, Herman Van Bekkum, Jacobus Cornelis Jansen, Jacob Adriaan Moulijn, Module containing zeolite-based membrane and preparation thereof ,(1993)