Syngas-driven sewage sludge conversion to microbial protein through H2S-and CO-tolerant hydrogen-oxidizing bacteria

V Pelagalli, S Matassa, M Race, M Langone, S Papirio… - Water Research, 2024 - Elsevier
Treating excess municipal sewage sludge (MSS) by means of thermochemical processes
could enable its conversion into high-value microbial protein (MP) through syngas …

Anaerobic digestion for simultaneous sewage sludge treatment and CO biomethanation: process performance and microbial ecology

G Luo, W Wang, I Angelidaki - Environmental science & …, 2013 - ACS Publications
Syngas is produced by thermal gasification of both nonrenewable and renewable sources
including biomass and coal, and it consists mainly of CO, CO2, and H2. In this paper we aim …

Enrichment of anaerobic syngas-converting bacteria from thermophilic bioreactor sludge

JI Alves, AJM Stams, CM Plugge… - FEMS microbiology …, 2013 - academic.oup.com
Thermophilic (55° C) anaerobic microbial communities were enriched with a synthetic
syngas mixture (composed of CO, H2, and CO2) or with CO alone. Cultures T-Syn and T-CO …

[HTML][HTML] Microbial protein production from sulfide-rich biogas through an enrichment of methane-and sulfur-oxidizing bacteria

M Areniello, S Matassa, G Esposito, PNL Lens - Bioresource Technology, 2023 - Elsevier
This study evaluated the possibility of combining methane oxidizing bacteria (MOB) with
sulfur oxidizing bacteria (SOB) to enable the utilization of sulfide-rich biogas for microbial …

Application of in-situ H2-assisted biogas upgrading in high-rate anaerobic wastewater treatment

H Xu, K Wang, X Zhang, H Gong, Y Xia… - Bioresource technology, 2020 - Elsevier
The H 2-assisted biogas upgrading approach has recently attracted much interest as a low-
cost and environmentally friendly alternative to commonly used ex-situ/physiochemical …

Methane oxidising bacteria to upcycle effluent streams from anaerobic digestion of municipal biowaste

P Tsapekos, B Khoshnevisan, X Zhu, X Zha… - Journal of environmental …, 2019 - Elsevier
Conventional microbial protein production relies on the usage of pure chemicals and gases.
Natural gas, which is a fossil resource, is the common input gas for bacterial protein …

Biomethanation of syngas using anaerobic sludge: shift in the catabolic routes with the CO partial pressure increase

S Sancho Navarro, R Cimpoia, G Bruant… - Frontiers in …, 2016 - frontiersin.org
Syngas generated by thermal gasification of biomass or coal can be steam reformed and
purified into methane, which could be used locally for energy needs, or re-injected in the …

Conversion of sewage sludge to commodity chemicals via syngas fermentation

R Ganigué, S Ramió-Pujol, P Sánchez… - Water Science and …, 2015 - iwaponline.com
Gasification of sewage sludge allows the recovery of energy, and produces a mix of CO,
CO2 and H2 called synthesis gas (or syngas), which can be fermented by acetogenic …

Use of sulfur-oxidizing bacteria enriched from sewage sludge to biologically remove H2S from biogas at an industrial-scale biogas plant

Y Cheng, T Yuan, Y Deng, C Lin, J Zhou, Z Lei… - Bioresource Technology …, 2018 - Elsevier
Anaerobic digestion has been widely used for organic waste and wastewater treatment to
produce renewable energy, especially biogas. Hydrogen sulfide (H 2 S) being harmful to …

Biohydrogen production in continuous‐flow reactor using mixed microbial culture

SK Khanal, WH Chen, L Li… - Water Environment …, 2006 - Wiley Online Library
The goal of the proposed project was to develop an anaerobic fermentation process that
converts negative‐value organic wastes into hydrogen‐rich gas in a continuous‐flow reactor …