Method of preparing crystalline aluminosilicates

Details Method of preparing crystalline aluminosilicates Method of preparing crystalline aluminosilicates

C - Chemistry, Metallurgy

08

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C08F 10/00 (2006.01) C07C 1/24 (2006.01) C07C 2/12 (2006.01) C07C 2/54 (2006.01) C07C 4/08 (2006.01) C07C 5/02 (2006.01) C07C 5/22 (2006.01) C07C 5/32 (2006.01) C07C 5/41 (2006.01) C10G 11/05 (2006.01) C10G 35/095 (2006.01) C10G 49/08 (2006.01)

Patent

CA 1197223

ABSTRACT OF THE DISCLOSURE IMPROVED METHOD OF PREPARING CRYSTALLINE ALUMINOSILICATES The present invention relates to a process for producing crystalline aluminosilicates having in the hydrogen form an X-ray diffraction pattern substantially as set forth in Table 1 of this specification and the following composition in terms of the mole ratios of the oxides: 0.9 + 0.2 M2/nO:Al2O3:xSiO2:yH2O:zNH3 wherein M is at least one cation having a valence n, x is at least 10, y/x is from 0 to 5 and z/x is 0-5. The process comprises mixing a source of silica, a source of alumina, a source of alkali metal(s), water and ammonia until a homogeneous gel is formed and crystallizing the gel at a temperature above 70°C for a period of at least 2 hours. The crystalline aluminosilicate thus produced can be used, whether or not impregnated and/or ion-exchanged, as catalysts for any one of the following reactions: alkylation, dealkylation, dehydrocyclodimerisation, aromatisation, transalkylation, isomerisation, dehydrogenation, hydrogenation, cracking, cyclisation, oligomerisation, polymerisation, and dehydration reactions.

436067

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