Microbial succession analysis reveals the significance of restoring functional microorganisms during rescue of failed anaerobic digesters by bioaugmentation of nano-biochar-amended digestate.

Anaerobiosis Bioreactors Charcoal Methane Sewage
Digestate re-utilization Digester failure and rescue Microbial community re-construction Nano-scale biochar Waste-to-Energy

Journal

Bioresource technology
ISSN: 1873-2976
Titre abrégé: Bioresour Technol
Pays: England
ID NLM: 9889523

Informations de publication

Date de publication:
May 2022
Historique:
received: 21 02 2022
revised: 29 03 2022
accepted: 30 03 2022
pubmed: 4 4 2022
medline: 20 4 2022
entrez: 3 4 2022
Statut: ppublish

Résumé

Nano-biochar application was investigated for anaerobic digestion of orange peel waste. The application for methane production focused on the optimization of biochar feedstock, rescue of failed digesters, and microbial succession analysis. It showed that sewage sludge (SS) derived biochar had the highest performance enhancement among the different feedstocks, which could be ascribed to the improvement of electron transfer, interspecies hydrogen transfer, and supply of trace elements. Subsequently, nano SS biochar-amended digestate was evaluated for rescuing failed digesters, and the experimental results indicated its positive roles through gradual bioaugmentation operation. The dynamic analysis of microbial succession indicated the successful application was through the mechanism of restoring partially the functional microbial communities. The major reconstruction of functional microorganisms included bacteria phyla Hydrogenispora (24.5%) and Defluviitoga (18.8%) as well as methanogenic genera of Methanosarcina (41.5%) and Methanobacterium (27.3%). These findings would contribute to rescuing failed anaerobic digesters by bioaugmentation with biochar-amended digestate.

Identifiants

DOI: 10.1016/j.biortech.2022.127102 PMID: 35367604
pubmed: 35367604
pii: S0960-8524(22)00431-X
doi: 10.1016/j.biortech.2022.127102
pii:
doi:

Substances chimiques

Sewage 0
biochar 0
Charcoal 16291-96-6
Methane OP0UW79H66

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

127102

Informations de copyright

Copyright © 2022 Elsevier Ltd. All rights reserved.

Auteurs

Le Zhang (L)

NUS Environmental Research Institute, National University of Singapore, 1 Create Way, Create Tower #15-02, Singapore 138602, Singapore; Energy and Environmental Sustainability for Megacities (E2S2) Phase II, Campus for Research Excellence and Technological Enterprise (CREATE), 1 CREATE Way, Singapore 138602, Singapore.

Fanghua Li (F)

NUS Environmental Research Institute, National University of Singapore, 1 Create Way, Create Tower #15-02, Singapore 138602, Singapore; Energy and Environmental Sustainability for Megacities (E2S2) Phase II, Campus for Research Excellence and Technological Enterprise (CREATE), 1 CREATE Way, Singapore 138602, Singapore; State Key Laboratory of Urban Water Resources and Environment, Harbin Institute of Technology, Harbin, 150090, PR China.

To-Hung Tsui (TH)

NUS Environmental Research Institute, National University of Singapore, 1 Create Way, Create Tower #15-02, Singapore 138602, Singapore; Energy and Environmental Sustainability for Megacities (E2S2) Phase II, Campus for Research Excellence and Technological Enterprise (CREATE), 1 CREATE Way, Singapore 138602, Singapore.

Kato Yoh (K)

Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore 117585, Singapore.

Jiachen Sun (J)

Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore 117585, Singapore.

Kai-Chee Loh (KC)

Energy and Environmental Sustainability for Megacities (E2S2) Phase II, Campus for Research Excellence and Technological Enterprise (CREATE), 1 CREATE Way, Singapore 138602, Singapore; Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore 117585, Singapore.

Chi-Hwa Wang (CH)

Energy and Environmental Sustainability for Megacities (E2S2) Phase II, Campus for Research Excellence and Technological Enterprise (CREATE), 1 CREATE Way, Singapore 138602, Singapore; Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore 117585, Singapore.

Yanjun Dai (Y)

Energy and Environmental Sustainability for Megacities (E2S2) Phase II, Campus for Research Excellence and Technological Enterprise (CREATE), 1 CREATE Way, Singapore 138602, Singapore; School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, PR China.

Yen Wah Tong (YW)

NUS Environmental Research Institute, National University of Singapore, 1 Create Way, Create Tower #15-02, Singapore 138602, Singapore; Energy and Environmental Sustainability for Megacities (E2S2) Phase II, Campus for Research Excellence and Technological Enterprise (CREATE), 1 CREATE Way, Singapore 138602, Singapore; Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, Singapore 117585, Singapore. Electronic address: chetyw@nus.edu.sg.

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Classifications MeSH

questionsmedicales.fr › Métabolisme › Anaérobiose › Microbial succession analysis reveals the...
questionsmedicales.fr › Technologie, industrie et agriculture › Technologie › Biotechnologie › Bioréacteurs › Microbial succession analysis reveals the...
questionsmedicales.fr › Produits chimiques inorganiques › Éléments › Carbone › Charbon de bois › Microbial succession analysis reveals the...
questionsmedicales.fr › Composés chimiques organiques › Hydrocarbures › Hydrocarbures acycliques › Alcanes › Méthane › Microbial succession analysis reveals the...
questionsmedicales.fr › Mélanges complexes › Eaux d'égout › Microbial succession analysis reveals the...