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The Treatment of Cheese Whey Wastewater by Waste Activated Sludge and Optimization of Treatment Conditions with Response Surface Methodology

The Treatment of Cheese Whey Wastewater by Waste Activated Sludge and Optimization of Treatment Conditions with Response Surface Methodology

Gholam Khayati, Morteza Barati
Copyright: © 2015 |Volume: 4 |Issue: 1 |Pages: 10
ISSN: 2155-4110|EISSN: 2155-4129|EISBN13: 9781466679153|DOI: 10.4018/ijcce.2015010102
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MLA

Khayati, Gholam, and Morteza Barati. "The Treatment of Cheese Whey Wastewater by Waste Activated Sludge and Optimization of Treatment Conditions with Response Surface Methodology." IJCCE vol.4, no.1 2015: pp.16-25. http://doi.org/10.4018/ijcce.2015010102

APA

Khayati, G. & Barati, M. (2015). The Treatment of Cheese Whey Wastewater by Waste Activated Sludge and Optimization of Treatment Conditions with Response Surface Methodology. International Journal of Chemoinformatics and Chemical Engineering (IJCCE), 4(1), 16-25. http://doi.org/10.4018/ijcce.2015010102

Chicago

Khayati, Gholam, and Morteza Barati. "The Treatment of Cheese Whey Wastewater by Waste Activated Sludge and Optimization of Treatment Conditions with Response Surface Methodology," International Journal of Chemoinformatics and Chemical Engineering (IJCCE) 4, no.1: 16-25. http://doi.org/10.4018/ijcce.2015010102

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Abstract

The biological treatments are convenient and economical methods for improving the efficiency of industrial waste water treatment. Activated sludge is the most important biological wastewater treatment processes. Batch cultures for the treatment of whey with activated sludge were optimized through response surface methodology (RSM). A second-order central composite design was applied to evaluate the effects of three independent variables (aeration time, pH and percentage of sludge volume) on COD removal percent. Optimum conditions were estimated through RSM at 23.4 h aeration time, pH=6.8 and 5.6 (%v/v) sludge volume/ wastewater volume and to achieve 38.1% COD removal. 1 (g/L) addition of PAC reduction COD until 48.7%.

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