Clay contacting process for removing contaminants from waste...

Details Clay contacting process for removing contaminants from waste... Clay contacting process for removing contaminants from waste...

C - Chemistry, Metallurgy

10

M

196/201

C10M 175/00 (2006.01)

Patent

CA 1136566

"CLAY CONTACTING PROCESS FOR REMOVING CONTAMINANTS FROM WASTE LUBRICATING OIL" ABSTRACT OF THE DISCLOSURE A process is provided for removing contaminants from waste lubricating oil. The previously untreated waste oil is contacted with decolorizing clay at a temperature in the range of about 650 - 725°F and the clay-oil mixture filtered to produce a filtrate product re- duced in contaminants. The clay contacting step may optionally be performed in a hydrogen atmosphere. The filtered product can be used for non-critical uses or further upgraded by conventional methods.

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