Paper Title:
Production of a Novel Biopolymer by Culture of Pseudomonas fluorescens Using Brewery Wastewater and its Use for Dye Removal
  Abstract

The optimal conditions of production of biopolymer by the culture of Pseudomonas fluorescens were examined, using brewery wastewater to replace glucose as carbon source and energy source in the culture medium. Results showed that the COD concentration in brewery wastewater favorable for the production of the biopolymer was 6000 mg•L-1, and an optimal culture condition of inoculum size of 5%(v/v), 28°C, initial pH 7.0 and shaking speed of 150 r•min-1, under the optimal culture conditions, the highest flocculating activity achieved for Kaolin suspension was 97.5% and 3.67 g biopolymer /L broth was obtained. The biopolymer was effective in flocculating some soluble reactive dyes in aqueous solution, reactive Light-Yellow K-4G and reactive Turquoise Blue KN-G with a decolorization efficiency of 95.8 and 96.2%, respectively,using 25 mL of the flocculant in 500 mL of 100 mg•L-1 dye solution.The decolorization efficiency was dependent on the flocculant dosage and solution pH.

  Info
Periodical
Advanced Materials Research (Volumes 171-172)
Edited by
Zhihua Xu, Gang Shen and Sally Lin
Pages
45-48
DOI
10.4028/www.scientific.net/AMR.171-172.45
Citation
Y. L. Mao, X. C. Xiao, Y. J. Liu, E. L. Zhao, L. B. Zhai, "Production of a Novel Biopolymer by Culture of Pseudomonas fluorescens Using Brewery Wastewater and its Use for Dye Removal", Advanced Materials Research, Vols. 171-172, pp. 45-48, 2011
Online since
December 2010
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$32.00
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