From biogas to biomethane: an in-depth review of upgrading technologies that enhance sustainability and reduce greenhouse gas emissions

A Francisco López, T Lago Rodríguez… - Applied Sciences, 2024 - mdpi.com
Renewable energies present an opportunity to enhance energy security, reduce
dependence on imports, and lower greenhouse gas emissions. Natural gas, viewed as a …

Emerging strategies for enhancing propionate conversion in anaerobic digestion: a review

L Mu, Y Wang, F Xu, J Li, J Tao, Y Sun, Y Song, Z Duan… - Molecules, 2023 - mdpi.com
Anaerobic digestion (AD) is a triple-benefit biotechnology for organic waste treatment,
renewable production, and carbon emission reduction. In the process of anaerobic …

[HTML][HTML] Enhancing microbial viability with biochar for increased methane production during the anaerobic digestion of chicken manure

T Ngo, LS Khudur, S Hassan, K Jansriphibul, AS Ball - Fuel, 2024 - Elsevier
This investigation explores the effects of integrating acid-alkali treated biochar into the
anaerobic digestion of chicken manure. Digesters containing chicken manure with biochar …

Advancing two-stage hydrogen production from corn stover via dark fermentation: Contributions of thermally modified maifanite to microbial proliferation and pH self …

B Zhao, A Yuan, S Cao, Z Dong, H Sha, Z Song - Bioresource Technology, 2024 - Elsevier
This study introduces a two-stage hydrogen production enhancement mechanism using
natural particle additives, with a focus on the effects of thermally modified maifanite (TMM) …

Green energy breakthroughs: Harnessing nano-catalysts and enzymatic catalysts for bioenergy generation

JH Chang, M Kumar, S Selvaraj, MS Samuel… - Industrial Crops and …, 2024 - Elsevier
Microbial fuel cells and anaerobic digestion are promising bioenergy methods but inefficient
and scalable. With its exceptional surface area-to-volume ratio, nano-catalysts are …

Enhanced hydrogen and methane production from date fruit wastes using semi continuous two-stage anaerobic digestion process with increasing organic loading …

R Saidi, M Hamdi, H Bouallagui - Process Safety and Environmental …, 2023 - Elsevier
Biological conversion of date wastes under continuous conditions is a challenge due to their
high content of biodegradable organic matter. In this study, hydrogen (H 2) and methane …

Effects of biochar, granular activated carbon, and magnetite on the electron transfer of microbials during the anaerobic digestion process: insights into nitrogen …

J Yang, K Liu, W Yi, B Si, C Tian, G Yang - Fuel, 2024 - Elsevier
Anaerobic digestion (AD) of the hydrothermal liquefaction aqueous phase is often inhibited
by high levels of nitrogen heterocyclics, which hinder its valorization. Despite the potential …

Pulsed CO2 feeding promotes methane yield in anaerobic digester by diverting acidogenic pathways

M Zhang, Z Qiao, S Xu, L Luo, J Wong, F Lü… - Chemical Engineering …, 2023 - Elsevier
CO 2 injection or biogas recirculation can affect the process of anaerobic digestion, but there
is a lack of systematic study on the injection strategy in the continuously operated reactors …

Investigation into the effects of different recycled magnetic additives on anaerobic co-digestion of sludge and straw

P Li, Y Wang, X He, D Liang, X Liu, C He, D Shen… - Fuel, 2024 - Elsevier
The addition of magnetic additives has been found to enhance the anaerobic co-digestion of
sludge and straw. Due to strong magnetic properties, these additives can be easily …

High potential lignocellulose-degrading microbial seed exploration from various biogas plants for methane production

S Varongchayakul, W Songkasiri, P Chaiprasert - Renewable Energy, 2024 - Elsevier
Converting lignocellulosic materials into renewable energy through anaerobic digestion
(AD) often has low degradation efficiency and thus needs improvement. Inoculum seeds …