Zeolite from the class of mazzite, process for its synthesis, an

Details Zeolite from the class of mazzite, process for its synthesis, an Zeolite from the class of mazzite, process for its synthesis, an

1990-08-28

1992-11-24

Breneman, R. Bruce

Internal-combustion engines

Charge forming device

Including exhaust gas condition responsive means

423718, C01B 3334

Patent

active

051659069

ABSTRACT:
This invention relates to a new zeolite from the class of mazzite, containing a fraction of non-exchangeable potassium cations, and also to a process for its synthesis. The crystallinity and the adsorption capacity of the protonated form of this zeolite are maintained after a prolonged hydrothermal treatment.

REFERENCES:
patent: 3578723 (1971-05-01), Bowes et al.
patent: 3642434 (1972-02-01), Dwyer
patent: 4021447 (1977-05-01), Rubin et al.
patent: 4241036 (1980-12-01), Flanigan et al.
patent: 4377502 (1983-03-01), Klotz
patent: 4892721 (1990-01-01), Leonowicz et al.
patent: 4957719 (1990-09-01), Taga et al.
patent: 5000932 (1991-03-01), Vaughan

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