Sustainable organic loading rate and energy recovery potential of mesophilic anaerobic membrane bioreactor for municipal wastewater treatment

Chunhai Wei; Moustapha Harb; Gary L. Amy; Pei-Ying Hong; TorOve Leiknes

doi:10.1016/j.biortech.2014.05.053

Sustainable organic loading rate and energy recovery potential of mesophilic anaerobic membrane bioreactor for municipal wastewater treatment

Chunhai Wei, Moustapha Harb, Gary L. Amy, Pei-Ying Hong, TorOve Leiknes

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84 Scopus citations

Abstract

The overall performance of a mesophilic anaerobic membrane bioreactor (AnMBR) for synthetic municipal wastewater treatment was investigated under a range of organic loading rate (OLR). A very steady and high chemical oxygen demand (COD) removal (around 98%) was achieved over a broad range of volumetric OLR of 0.8-10gCOD/L/d. The sustainable volumetric and sludge OLR satisfying a permeate COD below 50mg/L for general reuse was 6gCOD/L/d and 0.63gCOD/gMLVSS (mixed liquor volatile suspended solids)/d, respectively. At a high sludge OLR of over 0.6gCOD/gMLVSS/d, the AnMBR achieved high methane production of over 300ml/gCOD (even approaching the theoretical value of 382ml/gCOD). A low biomass production of 0.015-0.026gMLVSS/gCOD and a sustainable flux of 6L/m2/h were observed. The integration of a heat pump and forward osmosis into the mesophilic AnMBR process would be a promising way for net energy recovery from typical municipal wastewater in a temperate area. © 2014 Elsevier Ltd.

Original language	English (US)
Pages (from-to)	326-334
Number of pages	9
Journal	Bioresource Technology
Volume	166
DOIs	https://doi.org/10.1016/j.biortech.2014.05.053
State	Published - Aug 2014

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledgements: This work has been financed by the KAUST-UIUC Academic Excellence Alliance (AEA) Project entitled Anaerobic Membrane Bioreactor (AnMBR) with Nanofiltration (NF) Membrane. Microbial community analysis was funded by KAUST-UIUC AEA Project 7000000105 awarded to Peiying Hong and Gary Amy. Nan Wang and Dr. Tony Merle are appreciated for their assistance in reactor maintenance and membrane module fabrication, respectively.

ASJC Scopus subject areas

Bioengineering
Environmental Engineering
Waste Management and Disposal

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10.1016/j.biortech.2014.05.053

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title = "Sustainable organic loading rate and energy recovery potential of mesophilic anaerobic membrane bioreactor for municipal wastewater treatment",

abstract = "The overall performance of a mesophilic anaerobic membrane bioreactor (AnMBR) for synthetic municipal wastewater treatment was investigated under a range of organic loading rate (OLR). A very steady and high chemical oxygen demand (COD) removal (around 98%) was achieved over a broad range of volumetric OLR of 0.8-10gCOD/L/d. The sustainable volumetric and sludge OLR satisfying a permeate COD below 50mg/L for general reuse was 6gCOD/L/d and 0.63gCOD/gMLVSS (mixed liquor volatile suspended solids)/d, respectively. At a high sludge OLR of over 0.6gCOD/gMLVSS/d, the AnMBR achieved high methane production of over 300ml/gCOD (even approaching the theoretical value of 382ml/gCOD). A low biomass production of 0.015-0.026gMLVSS/gCOD and a sustainable flux of 6L/m2/h were observed. The integration of a heat pump and forward osmosis into the mesophilic AnMBR process would be a promising way for net energy recovery from typical municipal wastewater in a temperate area. {\textcopyright} 2014 Elsevier Ltd.",

author = "Chunhai Wei and Moustapha Harb and Amy, {Gary L.} and Pei-Ying Hong and TorOve Leiknes",

note = "KAUST Repository Item: Exported on 2020-10-01 Acknowledgements: This work has been financed by the KAUST-UIUC Academic Excellence Alliance (AEA) Project entitled Anaerobic Membrane Bioreactor (AnMBR) with Nanofiltration (NF) Membrane. Microbial community analysis was funded by KAUST-UIUC AEA Project 7000000105 awarded to Peiying Hong and Gary Amy. Nan Wang and Dr. Tony Merle are appreciated for their assistance in reactor maintenance and membrane module fabrication, respectively.",

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AU - Leiknes, TorOve

N1 - KAUST Repository Item: Exported on 2020-10-01 Acknowledgements: This work has been financed by the KAUST-UIUC Academic Excellence Alliance (AEA) Project entitled Anaerobic Membrane Bioreactor (AnMBR) with Nanofiltration (NF) Membrane. Microbial community analysis was funded by KAUST-UIUC AEA Project 7000000105 awarded to Peiying Hong and Gary Amy. Nan Wang and Dr. Tony Merle are appreciated for their assistance in reactor maintenance and membrane module fabrication, respectively.

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N2 - The overall performance of a mesophilic anaerobic membrane bioreactor (AnMBR) for synthetic municipal wastewater treatment was investigated under a range of organic loading rate (OLR). A very steady and high chemical oxygen demand (COD) removal (around 98%) was achieved over a broad range of volumetric OLR of 0.8-10gCOD/L/d. The sustainable volumetric and sludge OLR satisfying a permeate COD below 50mg/L for general reuse was 6gCOD/L/d and 0.63gCOD/gMLVSS (mixed liquor volatile suspended solids)/d, respectively. At a high sludge OLR of over 0.6gCOD/gMLVSS/d, the AnMBR achieved high methane production of over 300ml/gCOD (even approaching the theoretical value of 382ml/gCOD). A low biomass production of 0.015-0.026gMLVSS/gCOD and a sustainable flux of 6L/m2/h were observed. The integration of a heat pump and forward osmosis into the mesophilic AnMBR process would be a promising way for net energy recovery from typical municipal wastewater in a temperate area. © 2014 Elsevier Ltd.

AB - The overall performance of a mesophilic anaerobic membrane bioreactor (AnMBR) for synthetic municipal wastewater treatment was investigated under a range of organic loading rate (OLR). A very steady and high chemical oxygen demand (COD) removal (around 98%) was achieved over a broad range of volumetric OLR of 0.8-10gCOD/L/d. The sustainable volumetric and sludge OLR satisfying a permeate COD below 50mg/L for general reuse was 6gCOD/L/d and 0.63gCOD/gMLVSS (mixed liquor volatile suspended solids)/d, respectively. At a high sludge OLR of over 0.6gCOD/gMLVSS/d, the AnMBR achieved high methane production of over 300ml/gCOD (even approaching the theoretical value of 382ml/gCOD). A low biomass production of 0.015-0.026gMLVSS/gCOD and a sustainable flux of 6L/m2/h were observed. The integration of a heat pump and forward osmosis into the mesophilic AnMBR process would be a promising way for net energy recovery from typical municipal wastewater in a temperate area. © 2014 Elsevier Ltd.

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Sustainable organic loading rate and energy recovery potential of mesophilic anaerobic membrane bioreactor for municipal wastewater treatment

Abstract

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