Method of separating 2,6-diisopropylnaphthalene from a mixture c

Details Method of separating 2,6-diisopropylnaphthalene from a mixture c Method of separating 2,6-diisopropylnaphthalene from a mixture c

1989-08-02

1991-02-12

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Purification, separation, or recovery

By contact with solid sorbent

208310Z, C07C 713

Patent

active

049926225

ABSTRACT:
A method of separating 2,6-diisopropylnaphthalene from a mixture containing 2,6-diisopropylnaphthalene and structural isomers thereof including the 2,7-isomer is disclosed, wherein the mixture is first subjected to a selective adsorption and desorption treatment using a zeolite absorbent capable of adsorbing the 2,7-isomer to obtain a first extract containing the sorbed 2,7-isomer and a first raffinate containing non-sorbed isomers including the 2,6-isomer, the 2,6-isomer being thereafter separated from the first raffinate.

REFERENCES:
patent: 2985589 (1961-05-01), Broughton
patent: 3306945 (1967-02-01), Conviser
patent: 3392113 (1968-02-01), Rosset
patent: 3668267 (1972-06-01), Hedge
patent: 3895080 (1975-07-01), Davis
patent: 4014949 (1977-03-01), Hedge
patent: 4029717 (1977-06-01), Healy et al.

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