Method for separating and purifying 2,6-dimethylnaphthalene

Details Method for separating and purifying 2,6-dimethylnaphthalene Method for separating and purifying 2,6-dimethylnaphthalene

2006-11-08

2009-10-20

Nguyen, Tam M (Department: 1797)

Chemistry of hydrocarbon compounds

Purification, separation, or recovery

By cooling of liquid to obtain solid, e.g., crystallization,...

C585S814000, C585S816000, C585S817000

Reexamination Certificate

active

07605296

ABSTRACT:
A method for separating and purifying 2,6-dimethylnaphthalene, is provided in which 2,6-dimethylnaphthalene of high purity is obtained from a mixture of dimethylnaphthalene isomers with a high yield, by means of a combined process of column melt crystallization and sweating operation.

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