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The Ruhr: built on energy

 
RecShow '08

Middle East Recycling, Waste & Environmental
Management Exhibition & Congress



Successfully Concluded on Feb. 19th , 2008

 

Application for Participation (PDF)
Download Full Brochure (PDF)

MASS TRANSFER AND BIODEGRADATION OF POLYCYCLIC AROMATIC HYDROCARBONS FROM NONAQUEOUS-PHASE LIQUID CONTAMINATED SOILS

Dr. Mohammed Alshafie
PhD Environmental Engineering, Head of Environment Section, Department of Infrastructure and Environment, DAR AL-OMRAN Planners. Architects. Engineers

Dr. Abdellatif Alshafie
PhD Waste Management, Head of Hazardous Waste Management Department,
AL-NASSER GROUP
Tel: +962 6 463 6517 Fax: +962 6 645 9170
E-mail: mohamed [at] nassergroup.com.jo website: www.nassergroup.com.jo

 

At contaminated sites, nonaqueous phase liquids (NAPLs) such as crude oil, creosote and coal tar, often remain in contact with ground or surface water for long periods of time before or during any attempted remediation. During that time solutes such as aromatic or polycyclic aromatic hydrocarbon compounds are continuously released from the NAPL into aqueous phase causing ground and/or surface water contamination. The dissolution of individual PAHs from NAPLs into ground or surface waters could lead to aqueous concentrations exceeding environmental quality and health standards. The hazards of exposure of receptors to PAHs released from NAPLs often require the remediation of NAPL contaminated sites.

In-situ bioremediation is considered to be a promising technology because of its relatively low cost, low disruptive effects and because toxic compounds can be potentially mineralized to harmless products such as carbon dioxide and water by this technology. However the extent of clean up achieved with in-situ bioremediation is often unpredictable. The a priori prediction of bioremediation and other remediation technologies can only be improved by a better understanding of the physico-chemical and biological processes involved. The overall objective of this research is to evaluate, quantify and predict maximum achievable rates and end points of microbial degradation of PAH compounds for NAPL-contaminated solids, in column systems.
 

 

Organized by: Walid Hikmat

RAK, United Arab Emirates

Tel: +971 50 374 0617

E-Mail   : plastictires@gmail.com  
Website: www.plasticandtires.com

 

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