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Bioremediation of Mixed Wastes (BTEX, TPH, TCE, and cis-DCE) Contaminated Water
Li JH; Lei CK; Dong SS; Shim HJ
2011-07
Source PublicationJournal of Hazardous, Toxic, and Radioactive Waste
ISSN2153-5493
Volume15Issue:3Pages:160-165
Abstract

Together with industrialization, more sites have become contaminated with mixed wastes of organics. Contamination of groundwater with benzene, toluene, ethylbenzene, and three isomers of xylene (BTEX) and chlorinated aliphatic hydrocarbons (CAHs) allows for the application of aerobic bioremediation to achieve mineralization of both types of compounds. In this study, the aerobic bioremoval of mixtures of these compounds [BTEX, BTEX/trichloroethylene (TCE), BTEX/cis-1,1-dichloroethylene (cis-DCE), BTEX/total petroleum hydrocarbons (TPH)/TCE, and toluene and ortho-xylene (ToX/TCE] was assessed under different environmental conditions (pH and temperature) by using indigenous microorganisms isolated from potentially contaminated regional sites. The highest TPH bioremoval efficiencies (<50%) occurred at 25°C and under neutral or alkaline conditions. TCE was cometabolized with toluene and o-xylene provided as growth substrates, and the highest bioremoval efficiency occurred at ToX/TCE, and pH and temperature impacted the mineralization of compounds. This study would help enhance the applicability of bioremediation technology to the mixed-wastes contaminated sites. 

KeywordBioremoval Environmental Conditions Interactions Water Pollution Biological Processes
DOI10.1061/(ASCE)HZ.1944-8376.0000085
URLView the original
Language英语
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Document TypeJournal article
CollectionDEPARTMENT OF CIVIL AND ENVIRONMENTAL ENGINEERING
Corresponding AuthorShim HJ
AffiliationDept. of Civil and Environmental Engineering, Univ. of Macau, Macau SAR, China
Recommended Citation
GB/T 7714
Li JH,Lei CK,Dong SS,et al. Bioremediation of Mixed Wastes (BTEX, TPH, TCE, and cis-DCE) Contaminated Water[J]. Journal of Hazardous, Toxic, and Radioactive Waste,2011,15(3):160-165.
APA Li JH,Lei CK,Dong SS,&Shim HJ.(2011).Bioremediation of Mixed Wastes (BTEX, TPH, TCE, and cis-DCE) Contaminated Water.Journal of Hazardous, Toxic, and Radioactive Waste,15(3),160-165.
MLA Li JH,et al."Bioremediation of Mixed Wastes (BTEX, TPH, TCE, and cis-DCE) Contaminated Water".Journal of Hazardous, Toxic, and Radioactive Waste 15.3(2011):160-165.
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