Method of manufacturing a zeolitic adsorbent

Details Method of manufacturing a zeolitic adsorbent Method of manufacturing a zeolitic adsorbent

1975-03-19

1976-07-13

Dees, Carl F.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

260674SA, 423112, B01J 2906

Patent

active

039692760

ABSTRACT:
A method of manufacturing an adsorbent comprising X or Y zeolite containing one or more selected cations at the exchangeable cationic sites. The method basically comprises the steps of: contacting a base material comprisng X or Y zeolite with an aqueous sodium hydroxide solution at first ion exchange conditions to effect the addition of sodium cations to said base material; treating the sodium-exchanged base material at second ion exchange conditions to effect the essentially complete exchange of sodium cations with one or more cations selected from the group consisting of Group IA, Group IIA, and Group IB of the Periodic Table of Elements; and, drying the material at conditions to reduce the LOI at 900.degree. C. to less than about 10 wt. %. The adsorbent produced by the method exhibits faster adsorption-desorption rates for a desired extract component than does an adsorbent not produced by the method.

REFERENCES:
patent: 3878127 (1975-04-01), Rosback

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