Active zeolite catalysts of improved stability

Details Active zeolite catalysts of improved stability Active zeolite catalysts of improved stability

1982-02-08

1984-01-31

Gantz, Delbert E.

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By isomerization

585408, 585410, 585416, 585469, 585640, 585733, 502 77, C07C 100, C07C 120, C07C 122, C07C 530

Patent

active

044291760

ABSTRACT:
A zeolite of improved stability for use in acid-catalyzed reactions is prepared by mildly presteaming the catalyst under controlled conditions of temperature, time, and steam partial pressure. The resulting catalyst retains nearly the same activity as that of a fresh unsteamed catalyst.

REFERENCES:
patent: 4188282 (1980-02-01), Tabak et al.
patent: 4224141 (1980-09-01), Morrison et al.
patent: 4236996 (1980-12-01), Tabak et al.
patent: 4283584 (1981-08-01), Chester et al.
patent: 4324696 (1982-04-01), Miale

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