Separating phenols from alkaline pulping spent liquors

Details Separating phenols from alkaline pulping spent liquors Separating phenols from alkaline pulping spent liquors

C - Chemistry, Metallurgy

07

C

260/588, 260/624

C07C 47/58 (2006.01)

Patent

CA 1111448

ABSTRACT OF THE DISCLOSURE Phenol, ortho-cresol, meta- and para-cresols, guaiacol, van- illin, acetovsnillone and other phenols are separated from alkaline pulping spent liquors by extracting the alkaline liquors with a lower aliphatic alcohol having from 2-5 carbon atoms inclusive, separating the solvent and aqueous phases, and thereafter separating the phenols from the solvent phase.

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