Method of cleaning oil contaminated filter medium extracted...

Details Method of cleaning oil contaminated filter medium extracted... Method of cleaning oil contaminated filter medium extracted...

B - Operations, Transporting

08

B

B08B 3/08 (2006.01) B01D 41/00 (2006.01)

Patent

CA 2105716

ABSTRACT OF THE DISCLOSURE A method of cleaning oil contaminated filter medium extracted from oil filters is described. Firstly, treat the oil contaminated filter medium with a biodegradable emulsifying agent, thereby emulsifying oil in the filter medium. Secondly, soak the oil contaminated filter medium in a bath of biodegradable solvent compatible with the biodegradable emulsifying agent, thereby dissolving remaining oil in the filter medium. The clean filter medium resulting from this method absorbs oil and repels water, permitting recycling of the filter medium for secondary uses in which the ability to absorb oil is a prerequisite.

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