Journal
PETROLEUM SCIENCE AND TECHNOLOGY
Volume 32, Issue 23, Pages 2822-2828Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/10916466.2014.913624
Keywords
bioremediation; diesel fuel; organic waste; degradation; contamination
Funding
- University of Malaya IPPP grant [PS300/2010B, P055/2011B, FP014/2010A]
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A lab-scale experiment was set up to investigate the efficiency of addition 5% (w/w) individually of three different organic solid waste amendments to enhance the rate of degradation at 5% and 15% diesel oil in polluted soil during 18 weeks. A total of 81% and 42% oil loss was recorded in soil amended with soycake at 5% and 15% oil pollution, respectively. The measured delta C-13 signature of CO2 evolved from amending contaminated soil varied between -24 and -28 parts per thousand. First-order kinetic model demonstrated that soycake had the highest rate of biodegradation of 0.114days(-1) at 5% oil pollution. The results clearly indicate that those treatments amended with organic wastes had the best efficiency on the biodegradation of soil contaminated with diesel fuel.
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