C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
252/3, 260/688.7
C07C 15/02 (2006.01) B01J 29/87 (2006.01) C01B 39/06 (2006.01) C07C 2/00 (2006.01) C07C 2/42 (2006.01) C10G 35/06 (2006.01)
Patent
CA 1214765
ABSTRACT OF THE DISCLOSURE CRYSTALLINE GALLOALUMINOSILICATES, STEAM-MODIFIED CRYSTALLINE GALLOALUMINOSILICATES, THEIR PREPARATION AND THEIR USE AS CATALYSTS AND CATALYST SUPPORTS The invention relates to crystalline galloaluminosilicates having an X-ray diffraction pattern substantially the same as that of an MFI-zeolite and a composition in terms of mole ratios of oxides as follows: 0.9 ? 0.2 M2/n0.A1203. a Ga203. b Si02-zH2O wherein M is a cation, n is the valence of the cation, a has a value between 0.0001 and 2, b has a value of at least 12 and z has a value of from 0 to 40. Ion-exchanged forms, calcined forms and steam-treated forms of the crystalline galloaluminosilicates are also described. Such materials can be used as catalysts and catalyst supports. The steam-treated form is particularly useful as a catalyst for the production of aromatic hydrocarbons from C2 to C12 hydrocarbon feedstocks.
450706
British Petroleum Company P.l.c. (the)
Fetherstonhaugh & Co.
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