Separation of m-diisopropylbenzene from p-diisoporopylbenzene by

Details Separation of m-diisopropylbenzene from p-diisoporopylbenzene by Separation of m-diisopropylbenzene from p-diisoporopylbenzene by

1988-11-29

1989-08-08

Garvin, Patrick P.

Chemistry of hydrocarbon compounds

Purification, separation, or recovery

By plural serial diverse separations

208313, 203 63, C07C 700, B01D 334

Patent

active

048555312

ABSTRACT:
Meta and para-diisopropylbenzene cannot be easily separated from each other by distillation because of the closeness of their vapor pressures. m-Diisopropylbenzene can be easily removed from p-diisopropylbenzene by azeotropic distillation using certain ethers. Typical effective azeotropic distillation agents are diethylene glycol diethyl ether and dipropylene glycol dimethyl ether.

REFERENCES:
patent: 4299668 (1981-11-01), Berg
patent: 4676872 (1987-06-01), Berg

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