Ex-Situ Bioremediation of Hydrocarbon Contaminated Soil - An Example from Oman (original) (raw)

SPE Middle East Health, Safety, Environment & Sustainable Development Conference and Exhibition, 2014

Abstract

A few years ago, an oil company in Oman initiated an approach to deal with hydrocarbon-contaminated soils that created environmental problems. These soils where collected in their oilfields and transported to their hazardous waste yards in the country's interior areas. The client entrusted several service providers to carry out de-contamination processes and landfill activities unfortunately with limited success. One of the Waste Yards has stock piled large quantities of hydrocarbon contaminated soil, with contamination concentrations ranging from 15,000 mg/kg total Total Petroleum Hydrocarbons (TPH) soil up to 40,000 mg/kg TPH. The hydrocarbon molecule chains are from various types – starting with short chains i.e. C5 up to long chains C35. In 2012, the client decided to implement a new remediation approach by deploying eco-friendly technologies to properly manage degradation and remediation of the contaminated soil by using modern bio-remediation technology developed and appli...

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