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On-site CO2 bio-sequestration in anaerobic digestion : current status and prospects

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Xu, Suyun, Qiao, Zihao, Luo, Liwen, Sun, Yongqi, Woon-Chung Wong, Jonathan, Geng, Xueyu and Ni, Jing (2021) On-site CO2 bio-sequestration in anaerobic digestion : current status and prospects. Bioresource Technology, 332 . 125037. doi:10.1016/j.biortech.2021.125037 ISSN 0960-8524.

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Official URL: http://dx.doi.org/10.1016/j.biortech.2021.125037

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Abstract

The advantages of anaerobic digestion (AD) technology in organic solid waste treatment for bioenergy recovery are evidenced in worldwide. Recently, more attention has been paid to on-site biogas research, as well as biogenic CO2 sequestration from AD plant, to promote “carbon neutral”. Single-phase and two-phase AD system can be incorporated with various CO2 bioconversion technologies through H2 mediated CO2 bioconversion (in-situ and ex-situ biogas upgrading), or other emerging strategies for CO2 fixation without exogenous H2 injection; these include in-situ direct interspecies electron transfer reinforcement, electromethanogenesis, and off-gas reutilization. The existing and potential scenarios for on-site CO2 bio-sequestration within the AD framework are reviewed from the perspectives of metabolic pathways, functional microorganisms, the limitations on reaction kinetics. This review concluded that on-site CO2 bio-sequestration is a promising solution to reduce greenhouse gas emissions and increase renewable energy recovery.

Item Type: Journal Article
Subjects: T Technology > TD Environmental technology. Sanitary engineering
Divisions: Faculty of Science, Engineering and Medicine > Engineering > Engineering
Library of Congress Subject Headings (LCSH): Sewage sludge digestion, Anaerobic bacteria, Greenhouse gas mitigation, Biogas, Refuse and refuse disposal --Biodegradation, Carbon sequestration
Journal or Publication Title: Bioresource Technology
Publisher: Elsevier BV
ISSN: 0960-8524
Official Date: July 2021
Dates:
DateEvent
July 2021Published
23 March 2021Available
17 March 2021Accepted
Volume: 332
Article Number: 125037
DOI: 10.1016/j.biortech.2021.125037
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
Date of first compliant deposit: 30 March 2021
Date of first compliant Open Access: 23 March 2022
RIOXX Funder/Project Grant:
Project/Grant IDRIOXX Funder NameFunder ID
51978595[NSFC] National Natural Science Foundation of Chinahttp://dx.doi.org/10.13039/501100001809
Is Part Of: 1

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