Bioenergy production from swine wastewater based on a combined process of anaerobic dynamic membrane reactor and microalgae cultivation: Feasibility and performance.

Tang, J; Yang, H; Pu, Y; Hu, Y; Qu, X; Chen, S; Wang, XC; Ngo, HH; Li, Y; Abomohra, A

Bioenergy production from swine wastewater based on a combined process of anaerobic dynamic membrane reactor and microalgae cultivation: Feasibility and performance.

Tang, J Yang, H Pu, Y Hu, Y Qu, X Chen, S Wang, XC Ngo, HH Li, Y Abomohra, A

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Publisher:: Elsevier
Publication Type:: Journal Article
Citation:: Sci Total Environ, 2023, 899, pp. 165621
Issue Date:: 2023-11-15

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Field	Value	Language
dc.contributor.author	Tang, J
dc.contributor.author	Yang, H
dc.contributor.author	Pu, Y
dc.contributor.author	Hu, Y
dc.contributor.author	Qu, X
dc.contributor.author	Chen, S
dc.contributor.author	Wang, XC
dc.contributor.author	Ngo, HH
dc.contributor.author	Li, Y
dc.contributor.author	Abomohra, A
dc.date.accessioned	2024-03-11T01:50:09Z
dc.date.available	2023-07-16
dc.date.available	2024-03-11T01:50:09Z
dc.date.issued	2023-11-15
dc.identifier.citation	Sci Total Environ, 2023, 899, pp. 165621
dc.identifier.issn	0048-9697
dc.identifier.issn	1879-1026
dc.identifier.uri	http://hdl.handle.net/10453/176439
dc.description.abstract	Enhanced methane production and sustainable reduction of pollutants from anaerobic digestate are crucial for swine wastewater treatment. In this study, anaerobic dynamic membrane bioreactor (AnDMBR) was introduced to enhance methane production, then microalgae were cultivated on the digestate for nutrients recovery and lipid production. Results showed that pollutants can be effectively removed under various hydraulic retention time (HRT) conditions during long-term operation. Methanogenesis was enhanced with the reduction of HRT from 20 days to 10 days (0.23 L-CH4/g-CODremoved), but inhibited by shortening HRT to 5 days (0.09 L-CH4/g-CODremoved). Ammonia and phosphate in the digestate were effectively removed after microalgae cultivation. In addition, the highest microalgal biomass and lipid productivity (1.7 g/L and 17.5 mg/(L·d), respectively) were obtained using digestate ratio of 20 %, while microalgal growth was seriously restricted at high digestate content (>50 %). This work provides a prospective pathway for pollutants control and energy production from swine wastewater through integrating of AnDMBR technology with microalgae cultivation.
dc.format	Print-Electronic
dc.language	eng
dc.publisher	Elsevier
dc.relation.ispartof	Sci Total Environ
dc.relation.isbasedon	10.1016/j.scitotenv.2023.165621
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject.classification	Environmental Sciences
dc.subject.mesh	Animals
dc.subject.mesh	Swine
dc.subject.mesh	Wastewater
dc.subject.mesh	Microalgae
dc.subject.mesh	Anaerobiosis
dc.subject.mesh	Feasibility Studies
dc.subject.mesh	Prospective Studies
dc.subject.mesh	Biofuels
dc.subject.mesh	Methane
dc.subject.mesh	Biomass
dc.subject.mesh	Lipids
dc.subject.mesh	Animals
dc.subject.mesh	Swine
dc.subject.mesh	Methane
dc.subject.mesh	Lipids
dc.subject.mesh	Prospective Studies
dc.subject.mesh	Feasibility Studies
dc.subject.mesh	Biomass
dc.subject.mesh	Anaerobiosis
dc.subject.mesh	Biofuels
dc.subject.mesh	Microalgae
dc.subject.mesh	Wastewater
dc.subject.mesh	Animals
dc.subject.mesh	Swine
dc.subject.mesh	Wastewater
dc.subject.mesh	Microalgae
dc.subject.mesh	Anaerobiosis
dc.subject.mesh	Feasibility Studies
dc.subject.mesh	Prospective Studies
dc.subject.mesh	Biofuels
dc.subject.mesh	Methane
dc.subject.mesh	Biomass
dc.subject.mesh	Lipids
dc.title	Bioenergy production from swine wastewater based on a combined process of anaerobic dynamic membrane reactor and microalgae cultivation: Feasibility and performance.
dc.type	Journal Article
utslib.citation.volume	899
utslib.location.activity	Netherlands
pubs.organisational-group	University of Technology Sydney
pubs.organisational-group	University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	University of Technology Sydney/Faculty of Engineering and Information Technology/School of Civil and Environmental Engineering
pubs.organisational-group	University of Technology Sydney/Strength - CTWW - Centre for Technology in Water and Wastewater Treatment
utslib.copyright.status	closed_access	*
dc.date.updated	2024-03-11T01:50:08Z
pubs.publication-status	Published
pubs.volume	899

Abstract:

Enhanced methane production and sustainable reduction of pollutants from anaerobic digestate are crucial for swine wastewater treatment. In this study, anaerobic dynamic membrane bioreactor (AnDMBR) was introduced to enhance methane production, then microalgae were cultivated on the digestate for nutrients recovery and lipid production. Results showed that pollutants can be effectively removed under various hydraulic retention time (HRT) conditions during long-term operation. Methanogenesis was enhanced with the reduction of HRT from 20 days to 10 days (0.23 L-CH4/g-CODremoved), but inhibited by shortening HRT to 5 days (0.09 L-CH4/g-CODremoved). Ammonia and phosphate in the digestate were effectively removed after microalgae cultivation. In addition, the highest microalgal biomass and lipid productivity (1.7 g/L and 17.5 mg/(L·d), respectively) were obtained using digestate ratio of 20 %, while microalgal growth was seriously restricted at high digestate content (>50 %). This work provides a prospective pathway for pollutants control and energy production from swine wastewater through integrating of AnDMBR technology with microalgae cultivation.

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http://hdl.handle.net/10453/176439