Chemistry of inorganic compounds – Zeolite – Isomorphic metal substitution
Patent
1992-06-11
1993-09-07
Breneman, R. Bruce
Chemistry of inorganic compounds
Zeolite
Isomorphic metal substitution
423DIG21, 502 79, 502 85, C01B 3334
Patent
active
052426777
ABSTRACT:
Y-type zeolites with unit cell constants of less than 24.14 .ANG. are prepared by improving the method of dealumination and aluminum ion exchange. Zeolites with such low unit cell constants have not been known previously.
REFERENCES:
Dempsey et al. "Variation of Lattice Parameter with Aluminum Content in Synthetic Sodium Faujasites. Evidence for Ordering of the Framework Ions", J. Phys. Chem. vol. 73, No. 2 1969 pp. 387-390.
Cooper David A.
Denkewicz Raymond P.
Hertzenberg Elliot P.
Breneman R. Bruce
Posner Ernest G.
PQ Corporation
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