Process for treating waste oil

Details Process for treating waste oil Process for treating waste oil

2006-05-16

2006-05-16

Griffin, Walter D. (Department: 1764)

Mineral oils: apparatus

Vaporizing

Special means for heating

C196S014520, C422S285000, C422S288000, C204S158210, C208S184000, C208S185000, C208S187000, C208S189000

Reexamination Certificate

active

07045038

ABSTRACT:
There is disclosed a burnable used oil fuel product by the process comprising:(a) obtaining a used oil sample having at least 1% (by weight) aqueous substances;(b) heating the used oil sample to a temperature of from about 20° C. to about 60° C.; and(c) extracting a volume of water from the heated used oil by adding super critical CO2.

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patent: WO 00/52118 (2000-09-01), None
patent: WO 01/37961 (2001-05-01), None

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