Process for the preparation of synthetic zeolites, and zeolites

Chemistry of inorganic compounds – Silicon or compound thereof – Oxygen containing

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423118, 423329, 502 71, C01B 3328

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045030243

ABSTRACT:
The invention relates to the preparation of synthetic zeolites selected from the group formed by chabazite, merlinoite, edingtonite, ZSM 5 and ZSM 11.
In accordance with the invention, a zeolite selected from the group formed by mordenite, ferrierite, clinoptilolite and the type X and type Y zeolites is subjected to a treatment with at least one base.
The invention further relates to zeolites obtained by said process.

REFERENCES:
patent: 3101251 (1963-08-01), Howell
patent: 3431218 (1969-03-01), Plank et al.
patent: 3663164 (1972-05-01), Barrer et al.
patent: 3702886 (1972-11-01), Argauer et al.
patent: 3709979 (1973-01-01), Chu
patent: 3733390 (1973-05-01), Robson
patent: 3852411 (1974-12-01), Maness
Hydrothermal Chemistry of Zeolites, R. M. Barrer Academic Press, London, (1982), pp. 239-246.

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