Chemistry of inorganic compounds – Silicon or compound thereof – Oxygen containing
Patent
1983-08-22
1985-09-10
Meros, Edward J.
Chemistry of inorganic compounds
Silicon or compound thereof
Oxygen containing
502 79, C01B 3328
Patent
active
045405590
ABSTRACT:
Type Y zeolites were adopted as, e.g., catalysts and adsorbents, are facilely prepared by (i) intimately admixing, at essentially ambient temperature, an aqueous solution of a water-soluble aluminum compound with an aqueous solution of sodium silicate as to prepare a reaction mixture solution or sol therefrom, (ii) next heating said reaction mixture solution or sol to a temperature of crystallization, ranging from about 50.degree. to 120.degree. C., by heat exchange within such rapid period of time as to avoid any phase conversion thereof, but whereafter said reaction mixture solution or sol transforms essentially immediately into a gel, and (iii) thence maintaining the resulting gel at such crystallization temperature until Type Y zeolite crystals are crystallized therefrom.
REFERENCES:
patent: 3130007 (1964-04-01), Breck
patent: 4016246 (1977-04-01), Whittam
patent: 4271135 (1981-06-01), Wuest et al.
Latourrette Bertrand
Poisson Regis
Meros Edward J.
Rhone-Poulenc Specialites Chimiques
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