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

Wei, Chun-Hai ; Harb, Moustapha ; Amy, Gary ; Hong, Pei-Ying ; Leiknes, TorOve

Bioresource technology, 2014-08, Vol.166, p.326-334 [Periódico revisado por pares]

Kidlington: Elsevier Ltd

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Título:
Sustainable organic loading rate and energy recovery potential of mesophilic anaerobic membrane bioreactor for municipal wastewater treatment
Autor: Wei, Chun-Hai ; Harb, Moustapha ; Amy, Gary ; Hong, Pei-Ying ; Leiknes, TorOve
Assuntos: Anaerobic membrane bioreactor ; Anaerobic treatment ; Anaerobiosis ; Applied sciences ; Biofuels - analysis ; Biological and medical sciences ; Biomass ; Bioreactors ; Biotechnology ; Chemical oxygen demand ; Conservation of Energy Resources - methods ; Energy recovery ; Exact sciences and technology ; Fundamental and applied biological sciences. Psychology ; Loading rate ; Membranes, Artificial ; Methane production ; Methods. Procedures. Technologies ; Municipal wastewater ; Pollution ; Sludge ; Sustainable flux ; Sustainable organic loading rate ; Various methods and equipments ; Waste water ; Waste Water - chemistry ; Wastewater treatment ; Wastewaters ; Water Purification - methods ; Water treatment and pollution
É parte de: Bioresource technology, 2014-08, Vol.166, p.326-334
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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Descrição: [Display omitted] •Sustainable volumetric and sludge OLR was 6gCOD/L/d and 0.63gCOD/gMLVSS/d.•Sustainable sludge OLR resulted in high methane production up to theoretical value.•A very low biomass production of 0.015–0.026gMLVSS/gCOD was observed.•A sustainable flux of 6L/m2/h maintained stable permeability for over 3months.•AnMBR coupling heat pump and forward osmosis was promising in temperate area. 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.
Editor: Kidlington: Elsevier Ltd
Idioma: Inglês

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

Wei, Chun-Hai ; Harb, Moustapha ; Amy, Gary ; Hong, Pei-Ying ; Leiknes, TorOve

Kidlington: Elsevier Ltd

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