Title of article
SOME INVESTIGATION ON BIOREMEDIATION OF SEDIMENT IN PERSIAN GULF COAST
Author/Authors
Vossoughi, M. sharif university of technology - Department of Chemical and Petroleum Engineering, تهران, ايران , Moslehi, P. sharif university of technology - Department of Chemical and Petroleum Engineering, تهران, ايران , Alemzadeh, I. sharif university of technology - Department of Chemical and Petroleum Engineering, تهران, ايران
From page
45
To page
52
Abstract
The amount of petroleum hydrocarbon and heavy metals in the sediment of the Persian Gulfs shore, at 8 selected stations were determined and showed the maximum of 143.6 and 58.6 mg/kg sediment, respectively, both maximum amounts were related to Emam Hassan zone which is located at 50 kilometers to west Boushehr port. Bioremediation of contaminated sediment were studied in slurry and solid-state fermentation, 8 bacteria types were isolated. Four species Eln2, Sf-I, GN1 and GN3 presented ITIaxilTIulTI PAI-I removal efficiency. Biodegradation efficiency under slurry conditions was observed after about 45 days, which during this period, naphthalene and phenanthrene showed 730/0 and 66% removal efficiency respectively. Under solid-state conditions, microbial activity of mixed and pure culture was studied. The results presented that mixed culture due to high ability of different strains for growth, showed higher degradability compared to pure culture, but insufficient mixing under solid state condition resulted in a low lTIaSS transfer rate of nutrient which caused reducing cell activity, therefore removal efficiency decreased under solid state condition.
Keywords
hydrocarbon pollutant , heavy metal , Persian Gulf Coast , bioremediation , solid phase bioreactor
Journal title
International Journal of Engineering
Journal title
International Journal of Engineering
Record number
2563071
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