Environmental Progress and Sustainable Energy, Volume (36), No (5), Year (2017-6) , Pages (1428-1438)

Title : ( Implication of statistical design approach methodology for optimization of COD removal, effluent quality, and biosludge settling properties in aerobic bioreactors )

Authors: Vahid Zeynali , Javad Sargolzaei , Amin Hedayati Moghaddam , seyed mohammad ali masoudi ,

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Abstract

Synthetic wastewater containing wheat starch and different carbon sources were treated using sequencing batch reactor (SBR) in pilot scale. First, the effects of number of impellers, input mixed liquor suspended solid (MLSS), carbon source, and temperature were investigated on treatment ability, effluent quality, and sludge settlement properties by fractional factorial design (FFD). Impeller diameter would not show considerable effect on reactor performance. Next, the most important parameters were investigated within a response surface methodology (RSM) context. Removal efficiency (COD removal), effluent total suspended solid (TSS), and sludge volume index (SVI) were assessed as outputs. The determination coefficient (R2) value for COD removal, effluent TSS, and SVI were 0.9679, 0.9638, and 0.9744, respectively. In optimum condition, COD removal of 88%, TSS of 62 mg/L, and SVI of 55 mL/g were obtained.

Keywords

, biological wastewater treatment, SBR, COD, RSM, FFD
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@article{paperid:1062474,
author = {Zeynali, Vahid and Sargolzaei, Javad and Amin Hedayati Moghaddam and Masoudi, Seyed Mohammad Ali},
title = {Implication of statistical design approach methodology for optimization of COD removal, effluent quality, and biosludge settling properties in aerobic bioreactors},
journal = {Environmental Progress and Sustainable Energy},
year = {2017},
volume = {36},
number = {5},
month = {June},
issn = {1944-7442},
pages = {1428--1438},
numpages = {10},
keywords = {biological wastewater treatment; SBR; COD; RSM; FFD},
}

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%0 Journal Article
%T Implication of statistical design approach methodology for optimization of COD removal, effluent quality, and biosludge settling properties in aerobic bioreactors
%A Zeynali, Vahid
%A Sargolzaei, Javad
%A Amin Hedayati Moghaddam
%A Masoudi, Seyed Mohammad Ali
%J Environmental Progress and Sustainable Energy
%@ 1944-7442
%D 2017

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