Conference on Environmental Pollution and Public Health (CEPPH 2010 E-BOOK)

Wuhan,China,China,9.10-9.12,2010

ISBN: 978-1-935068-16-7 Scientific Research Publishing, USA

E-Book 1502pp Pub. Date: October 2010

Category: Engineering

Price: $80

Title: Study on Hexavalent Chromium [Cr(VI)] Contaminated Wastewater Biosorption by Saccharomyces Cerevisiae
Source: Conference on Environmental Pollution and Public Health (CEPPH 2010 E-BOOK) (pp 994-997)
Author(s): Yunhai Wu, hohai university, nanjing,China,210098
Xiaokun Yu, hohai university, nanjing,China,210098
Li Jiang, hohai university, nanjing,China,210098
Liang Zhu, hohai university, nanjing,China,210098
Abstract: Study on the removal of Cr(VI) from aqueous solution using the S.cerevisiae as a biosorbent was carried out. The effects of various parameters such as contact time, sorbent dose, pH and initial concentrations were investigated, Cr(VI) removal is pH dependent and found to be maximum at pH 1. The experimental data fitted well to both Langmuir and Freundlich models. Pseudo—second—order model can well describe the kinetics process of Cr(VI) adsorption by S.cerevisiae. The results indicated that the S.cerevisiae is an efficient biosorbent for the removal of Cr(VI) from wastewater.
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