Crystalline zeolite HP

Details Crystalline zeolite HP Crystalline zeolite HP

1979-11-07

1981-09-15

Meros, Edward J.

Chemistry of inorganic compounds

Silicon or compound thereof

Oxygen containing

252455Z, 423329, C01B 3328

Patent

active

042897408

ABSTRACT:
A novel crystalline zeolite composition is prepared by conducting the hydrothermal crystallization and, preferably, a preliminary aging step, at high pressure, i.e. pressures in excess of 20,000 psig (ca 138 MPa) and preferably above about 40,000 psig (ca 276 MPa megaPascals). The crystalline zeolite, designated zeolite HP, has a higher aluminum content than zeolite X and a lattice constant of above about 25.02 A.

REFERENCES:
patent: 2882244 (1959-04-01), Milton
patent: 2979381 (1961-04-01), Gottstine et al.
Breck, "Zeolite Molecular Sieves" 1974, pp. 163 & 254-256.
Smith, "Molecular Sieve Zeolite-I" ACS, 1971, pp. 171-197.

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