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Title: Removal of some reactive dyes by untreated and pretreated Saccharomyces cerevisiae, an alcohol fermentation waste
Authors: Bireller, E S
Aytar, P
Gedikli, S
Cabuk, A
Keywords: Biosorption
Dye removal
Modified biomass
Saccharomyces cerevisiae
Issue Date: Sep-2012
Publisher: NISCAIR-CSIR, India
Abstract: This study presents Saccharomyces cerevisiae, an alcohol fermentation waste, for removal of acidic dyes (Red 3:1 & Orange 13) even after chemical and physical modification. Biosorption performance was found 96.29% through untreated biomass and 97.31% through pretreated biomass with hydrogen peroxide solution for Red 3:1, whereas 93.49% through untreated biomass and 94.71% through pretreated biomass with dimethyl sulfoxide and phosphoric acid solution for Orange 13. Good results were obtained when modified biomass was used to treat dye wastewater. FTIR analyses, before and after treatment, suggest that increase in dye adsorption was due to hydrolysis of yeast. Besides, Freundlich and Langmuir adsorption models were found suitable for biosorptions of both dyestuffs.
Page(s): 632-639
CC License:  CC Attribution-Noncommercial-No Derivative Works 2.5 India
ISSN: 0975-1084 (Online); 0022-4456 (Print)
Source:JSIR Vol.71(09) [September 2012]

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