Process for cleaning up wastewaters from the preparation of alco

Details Process for cleaning up wastewaters from the preparation of alco Process for cleaning up wastewaters from the preparation of alco

1998-12-16

2000-10-31

Walker, W. L.

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210805, 210DIG5, C02F 144

Patent

active

061397474

ABSTRACT:
A process for cleaning up the wastewaters which originate from the preparation of alcohols. The alcohol preparation includes an aldolization reaction followed by hydrogenation and then alcohol distillation. The resulting wastewaters include 3 wastewater fractions from respective steps in the alcohol preparation. The process for cleaning up these wastewaters include the steps of (a) combining two of the three fractions and adjusting the pH of the combination, (b) bringing at least one of the fractions into contact with a coalescing filter, and (c) extracting a mixture of all three fractions.

REFERENCES:
patent: 5411665 (1995-05-01), Scraggs et al.

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