Process for purifying 2,6-xylenol

Details Process for purifying 2,6-xylenol Process for purifying 2,6-xylenol

C - Chemistry, Metallurgy

07

C

260/624.7

C07C 37/84 (2006.01) C07C 39/07 (2006.01)

Patent

CA 1221386

ABSTRACT OF THE DISCLOSURE: Process for purifying raw 2,6-xylenol, comprising the following stages, carried out in succession: melting of raw 2,6-xylenol; slow and uniform cooling of said molten raw 2,6-xylenol until at least from 60% to 100% of its mass is separated as crystal solid; gradual heating of said crystal solid, after having separated the possibly remaining liquid fraction, up to a highest temperature value lower by 0,1 - 5°C then the solidification temperature of 2,6-xylenol, in order to causing surface melting on said crystals; separa- tion of the thus obtained molten liquid phase and recovery of purified 2,6-xylenol.

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