Ex-situ bioremediation of crude oil in soil, a comparative kinetic analysis.
Weathered crude oil (WCO) removals in shoreline sediment samples were monitored for 60 days in bioremediation experimentation. Experimental modeling was carried out using statistical design of experiments. At optimum conditions maximum of 83.13, 78.06 and 69.92% WCO removals were observed for 2, 16 and 30 g/kg initial oil concentrations, respectively. Significant variations in the crude oil degradation pattern were observed with respect to oil, nutrient and microorganism contents. Crude oil bioremediation were successfully described by a first-order kinetic model. The study indicated that the rate of hydrocarbon biodegradation increased with decrease of crude oil concentrations.
Mohajeri
Leila
L
School of Civil Engineering, Universiti Sains Malaysia, 14300, Nibong Tebal, Penang, Malaysia.
Aziz
Hamidi Abdul
HA
Isa
Mohamed Hasnain
MH
Zahed
Mohammad Ali
MA
Mohajeri
Soraya
S
D001673:Biodegradation, Environmental; D019015:Geologic Sediments / Q000032:analysis / Q000737:chemistry; D006838:Hydrocarbons / Q000737:chemistry / Q000378:metabolism; D007700:Kinetics; D009792:Oceans and Seas; D010578:Petroleum / Q000378:metabolism*; D012987:Soil / Q000032:analysis*; D012988:Soil Microbiology; D012989:Soil Pollutants / Q000737:chemistry / Q000378:metabolism*
D006838:Hydrocarbons; D010578:Petroleum; D012987:Soil; D012989:Soil Pollutants