Volume 3, number 1(a)
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El-Gendy N. S, Farhat L. A, Moustafa Y. M, Shaker N El-Temtamy S. A. Biodesulfurization of Crude and Diesel Oil by Candida Parapsilosis NSH 45 Isolated from Egyptian Hydrocarbon Polluted Sea Water. Biosci Biotech Res Asia 2006;3(1a).
Manuscript received on : January 02, 2006
Manuscript accepted on : January 28, 2006
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Biodesulfurization of Crude and Diesel Oil by Candida Parapsilosis NSH 45 Isolated from Egyptian Hydrocarbon Polluted Sea Water

Nour Sh. El-Gendy*, Laila A. Farhat, Yasser M. Moustafa, Nevein Shaker and Seham A. El-Temtamy

Egyptian Petroleum Research Institute (EPRI), Nasr City, Cairo, Egypt.

ABSTRACT: Sulfur removal from crude oil and its distillates is important from the stand point of global environment and economical view point for upgrading and improving the quality of crude oil and its distillates. Candida parapsilosis NSh 45 isolated from Egyptian hydrocarbon polluted sea water, has the ability to desulfurize 71% of 1000 ppm dibenzothiophene at pH7 within 7 days of incubation at 30°C (200 rpm) in presence of glycerol as a c-source. Also it could remove up to 82% of 12,400ppm sulfur content in diesel oil, keeping its calorific value unchanged. It could also reduce the sulfur content of Belayim Mix crude oil (2.74 wt% sulfur) by 75% decreasing the average molecular weight of asphatene by 27.9% and its dynamic viscosity by 69.62%.

KEYWORDS: Biodesulfurization; Dibenzothiophene; Diesel Oil; Crude Oil; Yeast and Candida Parapsilosis

Copy the following to cite this article:

El-Gendy N. S, Farhat L. A, Moustafa Y. M, Shaker N El-Temtamy S. A. Biodesulfurization of Crude and Diesel Oil by Candida Parapsilosis NSH 45 Isolated from Egyptian Hydrocarbon Polluted Sea Water. Biosci Biotech Res Asia 2006;3(1a).

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El-Gendy N. S, Farhat L. A, Moustafa Y. M, Shaker N El-Temtamy S. A. Biodesulfurization of Crude and Diesel Oil by Candida Parapsilosis NSH 45 Isolated from Egyptian Hydrocarbon Polluted Sea Water. Biosci Biotech Res Asia 2006;3(1a). Available from: http://www.biotech-asia.org/?p=33072

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