IN IN1709DEL2015A

“OIL RECOVERY FROM EFFLUENT WATER USING SOLVENT”

Abstract

The present invention is a novel process of extraction of emulsified or nonemulsified form of oil from effluent water. More specifically, the present invention relates to a novel process for recovery of oil from emulsified form or non-emulsified form of effluent water to reduce the generation of palm oil mill effluent alongside recovering an increased amount of oil in edible oil stream with the use of flammable or non-flammable solvents namely n-hexane, tri-chloro ethylene from the effluent stream or clarifier stage before it get mixed with the other effluent streams. The palm oil mill effluent coming out from process streams is at a temperature above the boiling point of the solvent used in the process. This would minimize the freshwater consumption in floatation step and consequently the effluent treatment cost significantly reduced.

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