Effects of mixed liquor suspended solid concentrations on membrane bioreactor efficiency for treatment of food industry wastewater

This study investigated the impact of mixed liquor suspended solid (MLSS) concentrations on the performance of a membrane bioreactor for treating food industry wastewater. The membrane bioreactor was mainly made up of an activated sludge reactor and microfiltration hollow-fibre membrane. Two experim...

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Main Authors: Saed, Katayon, Megat Mohd Noor, Megat Johari, Jusoh, Ahmad, Abdullah, Abdul Ghani Liew, Nagaoka, Hiroshi, Aya, Hidenori
Format: Article
Language:English
Published: Elsevier 2004
Online Access:http://psasir.upm.edu.my/id/eprint/14391/1/Effects%20of%20mixed%20liquor%20suspended%20solid%20concentrations%20on%20membrane%20bioreactor%20efficiency%20for%20treatment%20of%20food%20industry%20wastewater.pdf
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author Saed, Katayon
Megat Mohd Noor, Megat Johari
Jusoh, Ahmad
Abdullah, Abdul Ghani Liew
Nagaoka, Hiroshi
Aya, Hidenori
author_facet Saed, Katayon
Megat Mohd Noor, Megat Johari
Jusoh, Ahmad
Abdullah, Abdul Ghani Liew
Nagaoka, Hiroshi
Aya, Hidenori
author_sort Saed, Katayon
collection UPM
description This study investigated the impact of mixed liquor suspended solid (MLSS) concentrations on the performance of a membrane bioreactor for treating food industry wastewater. The membrane bioreactor was mainly made up of an activated sludge reactor and microfiltration hollow-fibre membrane. Two experimental procedures consisting of low and high MLSS concentrations were set up. The process at low MLSS concentrations provided a higher degree of treatment in terms of suspended solids (99.2%) and turbidity (99.73%) removals. The mean flux value of process at low MLSS concentrations (5.03 L/m2.h) was found higher than those at high MLSS concentrations (2.27 L/m2.h). Furthermore, the effectiveness of MLSS concentrations was greatly influenced by the position of the membrane modules. Higher turbidity and suspended solids removals and higher flux values were obtained with a horizontally positioned membrane module compared to a vertically placed membrane module.
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spelling upm.eprints-143912019-04-08T08:36:37Z http://psasir.upm.edu.my/id/eprint/14391/ Effects of mixed liquor suspended solid concentrations on membrane bioreactor efficiency for treatment of food industry wastewater Saed, Katayon Megat Mohd Noor, Megat Johari Jusoh, Ahmad Abdullah, Abdul Ghani Liew Nagaoka, Hiroshi Aya, Hidenori This study investigated the impact of mixed liquor suspended solid (MLSS) concentrations on the performance of a membrane bioreactor for treating food industry wastewater. The membrane bioreactor was mainly made up of an activated sludge reactor and microfiltration hollow-fibre membrane. Two experimental procedures consisting of low and high MLSS concentrations were set up. The process at low MLSS concentrations provided a higher degree of treatment in terms of suspended solids (99.2%) and turbidity (99.73%) removals. The mean flux value of process at low MLSS concentrations (5.03 L/m2.h) was found higher than those at high MLSS concentrations (2.27 L/m2.h). Furthermore, the effectiveness of MLSS concentrations was greatly influenced by the position of the membrane modules. Higher turbidity and suspended solids removals and higher flux values were obtained with a horizontally positioned membrane module compared to a vertically placed membrane module. Elsevier 2004 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/14391/1/Effects%20of%20mixed%20liquor%20suspended%20solid%20concentrations%20on%20membrane%20bioreactor%20efficiency%20for%20treatment%20of%20food%20industry%20wastewater.pdf Saed, Katayon and Megat Mohd Noor, Megat Johari and Jusoh, Ahmad and Abdullah, Abdul Ghani Liew and Nagaoka, Hiroshi and Aya, Hidenori (2004) Effects of mixed liquor suspended solid concentrations on membrane bioreactor efficiency for treatment of food industry wastewater. Desalination, 167. pp. 153-158. ISSN 0011-9164; ESSN: 1873-4464 https://www.sciencedirect.com/science/article/pii/S0011916404003662#! 10.1016/j.desal.2004.06.124
spellingShingle Saed, Katayon
Megat Mohd Noor, Megat Johari
Jusoh, Ahmad
Abdullah, Abdul Ghani Liew
Nagaoka, Hiroshi
Aya, Hidenori
Effects of mixed liquor suspended solid concentrations on membrane bioreactor efficiency for treatment of food industry wastewater
title Effects of mixed liquor suspended solid concentrations on membrane bioreactor efficiency for treatment of food industry wastewater
title_full Effects of mixed liquor suspended solid concentrations on membrane bioreactor efficiency for treatment of food industry wastewater
title_fullStr Effects of mixed liquor suspended solid concentrations on membrane bioreactor efficiency for treatment of food industry wastewater
title_full_unstemmed Effects of mixed liquor suspended solid concentrations on membrane bioreactor efficiency for treatment of food industry wastewater
title_short Effects of mixed liquor suspended solid concentrations on membrane bioreactor efficiency for treatment of food industry wastewater
title_sort effects of mixed liquor suspended solid concentrations on membrane bioreactor efficiency for treatment of food industry wastewater
url http://psasir.upm.edu.my/id/eprint/14391/1/Effects%20of%20mixed%20liquor%20suspended%20solid%20concentrations%20on%20membrane%20bioreactor%20efficiency%20for%20treatment%20of%20food%20industry%20wastewater.pdf
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