Enhanced degradation of diesel-contaminated soil using organic wastes

Dadrasnia, A.; Agamuthu, P. (2010) Enhanced degradation of diesel-contaminated soil using organic wastes. Malaysian Journal of Science, 29 (3). pp. 225-230. ISSN 13943065

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Abstract

This study was carried out to enhance the biodégradation of diesel fuel in soil contaminated with 10 %(w/w) diesel fuel amended with 10% tea leaf (TL), soy cake (SC), potato skin (PS) for a period of 3 months under laboratory condition. At the end of 84 days, the highest percentage of oil biodégradation (76%) was recorded in soil amended with SC; 64% and 53% were recorded with soil amended with PS and TL respectively, while only 27% of oil degraded in control treatment. Hydrocarbon utilizing bacteria ( HUB ) counts were high in all organic wastes amended treatments, ranging from 45×10 6 CFU/g to 90×10 6 CFU/g of soil compared to unamended control soil (4×10 6 CFU/g to 8 ×10 6 CFU/g of soil ). The count in amended soil was significantly different at (P< 0.05) compared to unamended soil. The results obtained showed 90%, 80% and 60% seed germination in remediated soil contaminated with 10% diesel fuel and amended with SC, PS and TL respectively, over the period of 84 days. The results show the high potential of SC for enhanced biodégradation of hydrocarbon in oil contaminated soil.

Item Type: Article
Creators:
  1. Dadrasnia, A.
  2. Agamuthu, P.(Institute of Biological Sciences, Faculty of Science Building, University of Malaya, 50603 Kuala Lumpur, MALAYSIA)
Journal or Publication Title: Malaysian Journal of Science
Additional Information: Institute of Biological Sciences, Faculty of Science Building, University of Malaya, 50603 Kuala Lumpur, MALAYSIA
Uncontrolled Keywords: Degradation, Diesel, Hydrocarbon, Organic waste
Subjects: Q Science > QH Natural history > QH301 Biology
Divisions: Faculty of Science > Institute of Biological Sciences
Depositing User: Miss Malisa Diana
Date Deposited: 06 Mar 2013 10:14
Last Modified: 06 Mar 2013 10:14
URI: http://eprints.um.edu.my/id/eprint/4988

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