NEW PROCESS EFFECTIVELY RECOVERS OIL FROM REFINERY WASTE STREAMS

08/15/1994
Anne RhodesRefining/PetrochemicalEditor A new process uses chemically assisted, thermal flashing to break difficult emulsions and recover oil for reprocessing. The process is best suited for refinery waste management and slop oil systems, where it can process streams with high oil content to recover high-quality oil. Recent testing of a full-scale, commercial prototype unit on slop oil emulsions at a major Gulf Coast refinery resulted in: 97.9% recovery of oil with 99.3-99.6% 99.5% recovery of water with 99+% purity A centrifuge cake containing 49-60% solids, 23-30% oil, and 17-22% water. BACKGROUND The "Ohsol"...
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