Chemistry of inorganic compounds – Silicon or compound thereof – Oxygen containing
Patent
1983-03-29
1985-01-29
Meros, Edward J.
Chemistry of inorganic compounds
Silicon or compound thereof
Oxygen containing
423331, 423332, 502 60, C01B 3328
Patent
active
044965281
ABSTRACT:
The invention relates to the preparation of the zeolite ZK-5 from a starting zeolite selected from the group consisting of the zeolites P (Cl), P' (Cl), Q (Br) and Q' (Br).
In accordance with the invention, the barium ions contained in the starting zeolite are extracted therefrom by means of a barium-binding agent selected from the group consisting of precipitating agents which form with the barium ions a compound that precipitates, and of complexing agents which form with the barium ions a barium complex.
The zeolite ZK-5 obtained may be used in the separation or cracking of hydrocarbons.
REFERENCES:
patent: 2413134 (1946-12-01), Barrer
patent: 3247195 (1966-04-01), Kerr
patent: 3691099 (1972-09-01), Young
patent: 3720753 (1973-03-01), Robson
R. M. Barrer et al., "Hydrothermal Chemistry of Silicates, Part XV, Synthesis and Nature of Some Salt Bearing Aluminosilicates", J. of the Chemical Soc., Section A, Inorg., Physical and Theoretical Chemistry, pp. 2735-2745, (1970).
Richard M. Barrer et al., "Hydrothermal Chemistry of Silicates, Part 21, Zeolites from Reaction of Li and Cs Ions with TMA Aluminosilicate Solutions", J. of the Chemical Soc. Dalton Transactions, pp. 1020-1026, (1977).
George T. Kerr, "Chemistry of Crystalline Aluminosilicates, III, The Synthesis and Properties of Zeolite ZK -5", Inorganic Chemistry vol. 5, No. 9, Sep. 1966, pp. 1539-1541.
J. C. Bailar, Ed., Comprehensive Inorganic Chemistry, vol. 1, 1973, Pergammon Press, pp. 614-615.
Bourgogne Michel
Guth Jean-Louis
Szabo Georges
Wey Raymond
Compagnie Francaise de Raffinage
Leeds Jackson
Meros Edward J.
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