Method for manufacturing an adsorbent useful for olefin separati

Details Method for manufacturing an adsorbent useful for olefin separati Method for manufacturing an adsorbent useful for olefin separati

1976-06-07

1977-09-13

Dees, Carl F.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

B01J 2906

Patent

active

040481115

ABSTRACT:
A method for the production of an adsorbent, having increased capacity for olefins and decreased catalytic activity for polymerization and isomerization, useful in the separation of olefins from a hydrocarbon mixture comprising olefins and paraffins. The methods basically comprises contacting a precursor mass comprising sodium X or sodium Y zeolite and amorphous material selected from the group consisting of silica, alumina and silica-alumina mixtures and compounds as a binder with an aqueous sodium hydroxide solution to increase the sodium cation content of the zeolite and to remove a small portion of silica and alumina; washing the zeolite with water to remove excess caustic solution; and, drying the zeolite to reduce the volatile content.

REFERENCES:
patent: 3929669 (1976-12-01), Rosback et al.

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