Separation of ortho aromatic isomers by selective adsorption wit

Details Separation of ortho aromatic isomers by selective adsorption wit Separation of ortho aromatic isomers by selective adsorption wit

1983-06-27

1984-11-13

Gantz, Delbert E.

Chemistry of hydrocarbon compounds

Purification, separation, or recovery

By contact with solid sorbent

208310R, 502208, C07C 713

Patent

active

044827768

ABSTRACT:
An improved process for separating ortho aromatic isomers from a feed stream containing a mixture of aromatics by contacting the feed stream with a bed of the crystalline aluminophosphate adsorbent AlPO.sub.4 -5. The adsorbed ortho aromatic isomers is removed from the adsorbent by desorption.

REFERENCES:
patent: 4310440 (1982-01-01), Wilson et al.
patent: 4313015 (1982-01-01), Broughton
patent: 4376226 (1983-03-01), Rosenfeld et al.
patent: 4381419 (1983-04-01), Wylie
Haggin, J., "Aluminophosphates Broaden Shape Selective Catalyst Types", 6/20/83, C&EN, pp. 36, 37.
Wilson, S., "Aluminophosphate Molecular Sieves: A New Class of Microporous Crystalline Inorganic Solids", pp. 1146, 1147, J. American Chem. Soc., 1982, 104.

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