SPRAY-DRYING OIL RECOVERY PROCESS

摘要

A process for recovering oil from a water-soluble vinyl-addition polymercontaining water-in-oil emulsion or water-in-oil microemulsion spray-drying process, comprising: (a) condensing spray-dry process-generated oil and water to obtain condensed oil and condensed water; and (b) separating said condensed oil from said condensed water wherein said condensed oil is substantially free of non-gaseous polymerization-debilitating substances.