C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 11/00 (2006.01) C02F 1/40 (2006.01)
Patent
CA 2678442
The present invention provides a process for separating oil from sludge wherein the oil is separated under conditions suitable for reuse of the separated oil. The present invention provides a method for separating oil from sludge containing heavy oil, comprising: a reductant addition step of adding a reductant to the sludge; and a separation step of separating oil from the sludge in a way that prevents an oxidant from mixing in the sludge.
Hitachi Plant Technologies Ltd.
Robic
LandOfFree
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