Please use this identifier to cite or link to this item: http://hdl.handle.net/11189/1937
Title: Bioavailability of high molecular weight polycyclic aromatic hydrocarbons using renewable resources
Other Titles: Environmental Biotechnology – New Approaches and Prospective Applications
Authors: Amodu, Olusola Solomon 
Ojumu, TV 
Ntwampe, Seteno KO 
Issue Date: 2013
Publisher: InTech Online
Series/Report no.: ;171-194
Abstract: Polycyclic aromatic hydrocarbons (PAHs) are the world’s largest class of carcinogens known to date, not only because of their ability to cause gene mutation and cancer, but due to their persistency in the environment. They are particularly recalcitrant due to their molecular weight, hydrophobic nature and thus, accumulate in various matrices in the environment. PAHs, also known as polyarenes or polynuclear aromatic hydrocarbons, are formed and released into the environment through natural and anthropogenic sources. Natural sources include volcanoes and forest fires while anthropogenic sources include, majorly, incomplete combustion of fossil fuels, wood burning, municipal and industrial waste incineration. PAHs containing two or three fused benzene rings are classified as low molecular weight (LMW) PAHs and are more water soluble while those with four or more benzene rings are referred to as high molecular weight (HMW) PAHs. They tend to adsorb onto soil and sediment thus, making them recalcitrant in the environment. Sixteen of these organic compounds have been identified as priority pollutants due to their hazardous properties, with HMW PAHs being considered as potential human carcinogens, by the United State Environmental Protection Agency [1].
Description: Petre M (ed): Environmental Biotechnology – New Approaches and Prospective Applications Rijeka, Croatia: InTech Online Publishers, 2013, pp 171-194, ISBN 978-953-51-0972-3
URI: http://hdl.handle.net/11189/1937
ISBN: 978-953-51-0972-3
Appears in Collections:Eng - Books / Book Chapters
Bioresource Engineering Research Group (BioERG)
Prof. Seteno Karabo Ntwampe

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