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Flocculation of Pseudomonas delafieldii R-8 by γ-Polyglutamic Acid Combined with Celite for Biodesulfurization of Model Oil

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Abstract:

γ-polyglutamic acid (PGA) was firstly used for recovery and immobilization of Pseudomonas delafieldii R-8 cells in biodesulfurization process. The PGA mediated flocculation was combined with celite adsorption to immobilize R-8 cells and the as-prepared immobilized cells showed a high initial specific desulfurization rate at 0.243 mmol l-1 h-1 and a good desulfurization stability with 95% desulfurization activity remained after 6 batches of desulfurization processes.

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Periodical:

Advanced Materials Research (Volumes 726-731)

Pages:

368-372

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.726-731.368

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Online since:

August 2013

Authors:

Fei Yan Zhu*, Zhong Bo Hu

Keywords:

Biodesulfurization, Celite, Immobilisation, Pseudomonas delafieldii, γ-Polyglutamic Acid

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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