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Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  0, Vol. 7 Issue (101): 371-375    DOI: 10.1631/jzus.2006.AS0371
Biotechnological Engineering     
Effects of surfactant on biodesulfurization by Corynebacterium sp. ZD-1 in the presence of organic phase
Wang Miao-Dong, Li Wei, Shi Yao, Wang Da-Hui, Feng Hai
College of Pharmacy, Zhejiang University of Technology, Hangzhou 310014, China; Department of Environmental Engineering, Zhejiang University, Hangzhou 310027, China
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Abstract  The effects of surfactants on dibenzothiophene (DBT) degradation by Corynebacterium sp. ZD-1 were investigated in hydrocarbon aqueous biphasic (O/W) systems in shake flask. Among Brij-35, Tween-80, Triton-100X and β-cyclodextrin, Tween-80 was a suitable surfactant to improve the desulfurization rate of dibenzothiophene. The amount of 2-hydroxybiphenyl (2-HBP) formed with Tween-80 present was about 50% more than that formed without surfactant. The results demonstrated that Tween-80 could improve the mass transfer of DBT between organic and aqueous phases, and could be used in dibenzothiophene biodesulfurization systems.

Key wordsBiodesulfurization      Tween-80      Dibenzothiophene      Corynebacterium sp.     
Received: 10 March 2006     
CLC:  TQ02  
Cite this article:

Wang Miao-Dong, Li Wei, Shi Yao, Wang Da-Hui, Feng Hai. Effects of surfactant on biodesulfurization by Corynebacterium sp. ZD-1 in the presence of organic phase. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 0, 7(101): 371-375.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.2006.AS0371     OR     http://www.zjujournals.com/xueshu/zjus-a/Y0/V7/I101/371

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