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:: Volume 3, Issue 1 (12-2015) ::
jehe 2015, 3(1): 42-50 Back to browse issues page
Evaluation of Aliphatic and Aromatic Compounds Degradation by Indigenous Bacteria Isolated from Soil Contaminated with Petroleum
Farhad Gilavand, Gholamhossein Ebrahimipour, Maryam Karkhane, Abdolrazagh Marzban
Abstract:   (3141 Views)

Background:  The major of this study was to isolate oil-degrading bacteria from soil contaminated with petroleum and examining the removal of hydrocarbons by these bacteria.

Methods: Oil-degrading colonies were purified from the samples obtained of around Ahvaz oil wells. Organic matter degradation was investigated with 1 g of crude oil in basal salt medium (BSM) as sole carbon source. The growth rate was determined through total protein assay and hydrocarbon consuming was measured through organic carbon oxidation and titration by dichromate as oxidizing agent.

Results: Two potential isolates named S1 and S2 strains were screened and identified as Planococcus and Pseudomonas aeruginosa. As results for S1 and S2 could degrade 80.86 and 65.6% of olive oil, 59.6 and 35.33 of crude oil, while 32 and 26.15 % of coal tar were consumed during 14 days incubation.

Conclusion: The results of this investigation showed these indigenous strains high capability to biodegradation at short time and are desirable alternatives for treatment of oil pollutants.

Keywords: Hydrocarbon pollutants, Crude oil, Coal tar, Bioremediation
Full-Text [PDF 768 kb]   (1566 Downloads)    
Type of Study: Research | Subject: Special
Received: 2016/03/7 | Accepted: 2016/03/7 | Published: 2016/03/7
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Gilavand F, Ebrahimipour G, Karkhane M, Marzban A. Evaluation of Aliphatic and Aromatic Compounds Degradation by Indigenous Bacteria Isolated from Soil Contaminated with Petroleum. jehe. 2015; 3 (1) :42-50
URL: http://jehe.abzums.ac.ir/article-1-200-en.html


Volume 3, Issue 1 (12-2015) Back to browse issues page
مجله مهندسی بهداشت محیط Journal of Environmental Health Enginering
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