Efficiency of simulated textile wastewater decolorization process based on the methanogenic activity of upflow anaerobic sludge blanket reactor in salt inhibition condition

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dc.contributor.authorIşık, Mustafa
dc.date.accessioned13.07.201910:50:10
dc.date.accessioned2019-07-16T08:24:45Z
dc.date.available13.07.201910:50:10
dc.date.available2019-07-16T08:24:45Z
dc.date.issued2004
dc.departmentMühendislik Fakültesi
dc.description.abstractThe performance of a plot scale upflow anaerobic sludge blanket reactor treating simulated cotton textile wastewater was examined to understand the effect of salt concentration in the color and COD removal efficiencies. The salt (NaCl) concentration increased from 0 to 128 g l -1 while HRT, and the organic loadings were kept constant giving a HRT of 20 h and a 3.86 of volumetric organic loading rates. COD removal efficiencies decreased up to 18 from 80% as methanogenic bacteria inhibited by increasing salt concentration in the feed. High volatile fatty acid concentrations, low pH and high volatile fatty acids/bicarbonate alkalinity ratios in the effluent of reactor show the inhibition of methanogenic bacteria. A salt concentration of 128 g l -1 cause to reduce methane percentage and methane production rates to 30% and 180 ml/day from 70% and 2260 ml/day. Although COD removal efficiencies decreased, However, the color removals was not effected (decolorization efficiency = 100%) with increasing NaCl concentration as high as 128 g l -1 in the feed. © 2004 Elsevier Inc. All rights reserved.
dc.description.sponsorshipThis study was supported by the Turkish Scientific and Technical Research Council (TÜBİTAK) for the project numbered 199 Y 110, and fund of Niğde University with a project numbered 2002/03, TURKEY. The author gratefully acknowledge the financial support from these organizations.
dc.identifier.doi10.1016/j.enzmictec.2004.04.018
dc.identifier.endpage404en_US
dc.identifier.issn0141-0229
dc.identifier.issue5en_US
dc.identifier.scopusqualityQ1
dc.identifier.startpage399en_US
dc.identifier.urihttps://dx.doi.org/10.1016/j.enzmictec.2004.04.018
dc.identifier.urihttps://hdl.handle.net/20.500.12451/2964
dc.identifier.volume35en_US
dc.indekslendigikaynakScopus
dc.language.isoen
dc.relation.ispartofEnzyme and Microbial Technology
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectAzo Dyes
dc.subjectSalt Inhibition
dc.subjectSimulated Textile Wastewater
dc.subjectUASB
dc.titleEfficiency of simulated textile wastewater decolorization process based on the methanogenic activity of upflow anaerobic sludge blanket reactor in salt inhibition condition
dc.typeArticle

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