Crystalline zeolite HP

Details Crystalline zeolite HP Crystalline zeolite HP

1981-09-03

1983-10-04

Meros, Edward J.

Chemistry of inorganic compounds

Silicon or compound thereof

Oxygen containing

423329, C01B 3328

Patent

active

044077823

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 24.94 A up to 25.10 A.

REFERENCES:
patent: 2882244 (1959-04-01), Milton
patent: 2979381 (1961-04-01), Gottstine et al.
patent: 4289740 (1981-09-01), Estes
Smith "Molecular Sieve Zeolites-I" ACS, 1971, pp. 171-197.

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