Results 61 to 70 of about 1,249 (141)

Integrating transcriptomic data with metabolic model unravels the electron transfer mechanisms of Methanosarcina barkeri

Water Research X
Methanogenic archaea, particularly Methanosarcina, are pivotal to the global carbon cycle and renewable energy production due to their versatile metabolic capabilities.
Wentao Tang, Sen Lin, Yangfan Deng, Gang Guo, Guanghao Chen, Tianwei Hao   +5 more
doaj   +1 more source

Enhancing methane production from food waste fermentate using biochar: the added value of electrochemical testing in pre-selecting the most effective type of biochar

Biotechnology for Biofuels, 2017
Background Recent studies have suggested that addition of electrically conductive biochar particles is an effective strategy to improve the methanogenic conversion of waste organic substrates, by promoting syntrophic associations between acetogenic and ...
Carolina Cruz Viggi, Serena Simonetti, Enza Palma, Pamela Pagliaccia, Camilla Braguglia, Stefano Fazi, Silvia Baronti, Maria Assunta Navarra, Ida Pettiti, Christin Koch, Falk Harnisch, Federico Aulenta   +11 more
doaj   +1 more source

Interspecies electron transfer stimulating approaches in anaerobic digestion process: recent advancements, challenges, and future perspectives

Environmental Systems Research
Anaerobic digestion (AD) is a biological process of converting complex organic matter into biogas (methane) and digestate in the absence of oxygen by microorganisms.
Wondimu Elias Worajo, Fekadu Fanjana Falta, Selemon Thomas Fakana   +2 more
doaj   +1 more source

Conductive Fe3O4 nanoparticles accelerate syntrophic methane production from butyrate oxidation in two different lake sediments

Frontiers in Microbiology, 2016
Syntrophic methanogenesis is an essential link in the global carbon cycle and a key bioprocess for the disposal of organic waste and production of biogas.
Jianchao Zhang, Yahai Lu
doaj   +1 more source

Extracellular electron transfer based methylotrophic methanogenesis in paddy soil and the prevalent Methanomassiliicoccus

Communications Earth & Environment
The biogenic methane contributes obviously to global warming, and direct interspecies electron transfer (DIET) driven CO2 reductive methanogenesis is one of the important methanogenic pathways.
Lingyan Li, Xuping Tian, Xuemeng Wang, Chuan Chen, Qi Zhou, Lei Qi, Jie Li, Kai Xue, Fangjie Zhao, Yanfen Wang, Xiuzhu Dong   +10 more
doaj   +1 more source

Enhancing Biomethane Yield and Metabolic Pathways in Kitchen Waste Anaerobic Digestion Through Microbial Electrolysis Cell Integration

Energies
This study developed a system (MEC-AD) by integrating a single-chamber microbial electrolysis cell (MEC) with anaerobic digestion (AD), aiming to enhance the conversion efficiency of kitchen waste (KW) into biomethane and optimize metabolic pathways. The
Qing Zhao, Heran Wang, Rufei Liu, Hairong Yuan, Xiujin Li   +4 more
doaj   +1 more source

Retrospective of DIET process for enhanced biogas production during anaerobic digestion of thermal/chemically pretreated waste activated sludge

Frontiers in Environmental Engineering
Hydrolysis of recalcitrant organic waste such as lignocellulosic biomass and waste-activated sludge (WAS) is a rate-limited step in anaerobic digestion (AD) due to the chemical and physical barriers that can be diminished by pretreatment of the waste ...
Abdulaziz Mohammed Almegbl, Ali Mohammad Rahmani, Ali Mohammad Rahmani, Kamaluddin Kamal, Faris Mohammad A. Munshi, Abbas Khursheed, Muntjeer Ali, Anwar Khursheed, Anwar Khursheed   +8 more
doaj   +1 more source

Hierarchical Data-Driven Machine Learning for Targeted Biochar Preparation and Enhanced Anaerobic Digestion

能源环境保护
Biochar plays a pivotal role in enhancing anaerobic digestion (AD) for organic waste treatment and bioenergy recovery. By facilitating direct interspecies electron transfer (DIET) and buffering acidity, biochar can substantially improve system stability.
Yucheng JIANG, Qilin YU, Yaobin ZHANG
doaj   +1 more source

Review on Mechanisms of Iron Accelerants and Their Effects on Anaerobic Digestion

Agriculture
Anaerobic digestion is an important technology for energy recovery from organic waste. However, methanogenesis is restricted by some barriers, such as the low-speed bottleneck of interspecies electron transfer (IET), the low hydrogen partial pressure ...
Han Wang, Wanli Zhang, Wanli Xing, Rundong Li   +3 more
doaj   +1 more source

Coupling of biogas residue biochar and low-magnitude electric fields promotes anaerobic co-digestion of sewage sludge and food waste

Water Science and Technology
Biochar-assisted anaerobic digestion (AD) remains constrained due to the inefficient decomposition of complex organics, even with the direct interspecies electron transfer (DIET) pathway.
Hongbo Liu, Peng He, Yang Chen, Xingkang Wang, Ruixiang Zou, Tao Xing, Suyun Xu, Chengyang Wu, Claudia Maurer, Eric Lichtfouse   +9 more
doaj   +1 more source