Selective sorption of 2,6-diisopropylnaphthalene

Details Selective sorption of 2,6-diisopropylnaphthalene Selective sorption of 2,6-diisopropylnaphthalene

1989-07-24

1991-05-21

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Purification, separation, or recovery

By contact with solid sorbent

585826, 585827, 585828, 208310Z, C07C 713

Patent

active

050177354

ABSTRACT:
A process for enriching the fraction of 2,6-diisopropylnaphthalene contained in a quantity of mixed dialkylated naphthalenes. The mixed dialkylated naphthalenes are contacted with an adsorbant bed containing one or more molecular sieves which demonstrate shape selective preference for the 2,6-diisopropylnaphthalene isomer over other dialkylated naphthalenes. The adsorbant bed is then contacted with a desorbant capable of desorbing the 2,6-diisopropylnaphthalene from the pores of the adsorbant.

REFERENCES:
patent: 3310486 (1967-03-01), Broughton et al.
patent: 3668267 (1972-06-01), Hedge
patent: 4698453 (1987-10-01), Miwa et al.
patent: 4791235 (1988-12-01), Maki et al.
Bulk Separations Via Adsorption, D. B. Broughton, CEP Magazine, (Oct., 1977), pp. 49-51.
Meier, Atlas of Zeolite Structure Types, Second Revised Edition, 1987, pp. 62-63.

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