Zeolite adsorbent for separation of para-xylene

Details Zeolite adsorbent for separation of para-xylene Zeolite adsorbent for separation of para-xylene

1982-09-03

1984-03-27

Dees, Carl F.

Catalyst, solid sorbent, or support therefor: product or process

Zeolite or clay, including gallium analogs

Including organic component

B01J 2906

Patent

active

044395353

ABSTRACT:
Para-xylene may be recovered as raffinate by contacting a C-8 aromatic hydrocarbon mixture, in the presence of toluene desorbent, with a synthetic crystalline sodium aluminosilicate zeolite HP, containing pyridine in amount of at least about 3.3 wt. % of said zeolite, having a lattice constant of 25.02-25.10.ANG..

REFERENCES:
patent: 4306962 (1981-12-01), Estes
patent: 4351981 (1982-09-01), Smolin
patent: 4368347 (1983-01-01), Carra et al.

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