Land Treatment of API Separator Sludge

by Leale E. Streebin, Univ of Oklahoma, Sch of Civil, Engineering & Environmental, Science, Norman, OK, USA,
Thomas G. Sprehe, Univ of Oklahoma, Sch of Civil, Engineering & Environmental, Science, Norman, OK, USA,
James M. Robertson, Univ of Oklahoma, Sch of Civil, Engineering & Environmental, Science, Norman, OK, USA,



Document Type: Proceeding Paper

Part of: Environmental Engineering

Abstract: An extensive research project was undertaken to establish design and operational guidelines for treatment of oily sludge using land treatment systems. Forty-five test plots were established at a prototype land treatment facility and oily sludge applied at various loading rates over a three year study period. The fates of individual oil fractions, volatile emmissions, and priority pollutants were determined, and monitoring of process control parameters conducted. Removal of total oil and individual fractions was found to follow first order reaction kinetics. Significant migration of organic and inorganic priority pollutants beyond the zone of incorporation was not found to occur for the sludges and soil type used in the study. Total oil losses were proportional to the amount of oil applied, though a practical maximum oil loading exists above which operational considerations become limiting factors. A rational basis was developed for design of oily sludge land treatment systems using a predictive model to profile the oil degradation process. (Edited author abstract. )

Subject Headings: Sludge | Soil treatment | Load factors | Load tests | Chemical degradation | Petroleum refining | Hazardous wastes

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