PETROLEUM REFINERY RESIDUALS AND WASTES MANAGEMENT -A REVIEW

Abstract

Residuals and wastes are produced in crude oil refineries. Intermediate residuals are waterborne, airborne and solids. Waterborne residuals are treated by API separators. The reductionof H2Sand S02 to elemental sulfur is desirable in airborne residuals. US Environmental ProtectionAgency (EPA) has characterized hazardous wastes based on ignitability, corrosivity., r,eactivity or toxicity