Color improvement process for organic liquid

Details Color improvement process for organic liquid Color improvement process for organic liquid

B - Operations, Transporting

01

D

204/96.26

B01D 35/06 (2006.01)

Patent

CA 1076520

COLOR IMPROVEMENT PROCESS FOR ORGANIC LIQUID ABSTRACT OF THE DISCLOSURE A process for the color improvement of a non-petroleum organic liquid (fats, animal and vegetable oils) containing color impurities (e.g. chlorophyll). The organic liquid is subjected in succession to a refining step using an aqueous reagent, a hydrogenation step wherein the organic liquid in the presence of a finely divided catalyst at elevated temperatures is hydrogenated. The organic liquid carrying entrained catalyst is mixed with a finely dispersed solid adsorbent adapted to remove color bodies. Electrofiltration of the mixture of organic liquid, catalyst and solid adsorbent after hydrogenation effects substantially complete removal of the catalyst and solid adsorbent the organic liquid thereby providing a solids-free, color improved organic liquid which is passed to a subsequent utilization. Adsorbent mixing and electrofiltration steps are conducted in an atmosphere substantially devoid of oxygen-containing gases.

278070

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