Process for the preparation of ferrierite

Details Process for the preparation of ferrierite Process for the preparation of ferrierite

1975-02-18

1976-01-20

Meros, Edward J.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group iiia metal or beryllium

423329, 252455Z, C01B 3328

Patent

active

039339742

ABSTRACT:
Ferrierite is prepared by maintaining at a temperature from about 170.degree. to 215.degree.C an aqueous mixture of amorphous silica-alumina and sodium and potassium compounds wherein from about 65 to about 90 mol % of the alkali metal as X.sub.2 O wherein X represents Na and K originates from salts of at least one polybasic acid having a pK value greater than 10.degree. at 18.degree.C for the highest dissociation step, and the molar fraction of potassium to total sodium and potassium content is from about 10 to 45%, until ferrierite crystals are formed.

REFERENCES:
patent: 3758667 (1973-09-01), Kouwenhoven et al.
Barrer et al., "Chemical Society Journal," 1964, Part I, pp. 485-497.
Barrer et al., "The American Mineralogist," Vol. 50, 1965, pp. 484-489.
Wise et al., "The American Mineralogist," Vol. 54, 1969, pp. 887-895.
Kibby et al., "Journal of Catalysis," Vol. 35, Nov. 1974, pp. 256-272.

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