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B - Operations, Transporting

01

J

252/2.E

B01J 29/04 (2006.01) B01J 29/70 (2006.01) C01B 33/20 (2006.01) C01B 37/02 (2006.01) C01B 39/08 (2006.01) C01B 39/10 (2006.01) C01B 39/12 (2006.01) C01B 39/48 (2006.01) C01G 49/00 (2006.01) C07C 6/12 (2006.01)

Patent

CA 1176616

ABSTRACT New zeolite materials designated Nu-6(1) and Nu-6(2), having molar compositions expressed by the formula: 0.5 to 1.5 R2O : Y2O3 : at least 10 XO2 : 0 to 2000 H2O wherein R is a monovalent cation or 1/n of a cation of valency n, X is silicon, and/or germanium, Y is one or more of aluminium, iron, chromium, vanadium, molybdenum, antimony, arsenic, manganese, gallium or boron, and H2O is water of hydration additional to water notionally present when R is H and having defined X-ray diffraction patterns, are prepared from a reaction mixture containing XO2 (preferably silica), Y2O3 (preferably alumina) and a 4,4'-bipyridyl compound. At temperatures of 200°C or higher, Nu-6(1) is converted to Nu-6(2), a useful catalyst for xylenes isomerisation and the like.

391473

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