Results 81 to 90 of about 8,463 (185)

Effect of ammonium concentration on methane oxidation and CO2 removal in an anaerobic biotrickling filter treating synthetic landfill gas and leachate

Journal of Chemical Technology &Biotechnology, Volume 101, Issue 8, Page 1632-1642, August 2026.
Abstract BACKGROUND Landfill gas (LFG) and leachate are commonly treated separately through energy‐intensive processes. This study evaluated the integration of both streams in an anaerobic biotrickling filter (BTF) to achieve simultaneous methane (CH4) and carbon dioxide (CO2) removal coupled with ammonium (NH4+) transformation, and how the microbial ...
Cecilia Lizeth Alvarez‐Guzmán, Karla María Muñoz‐Páez, Alejandro Vargas, Idania Valdez‐Vazquez   +3 more
wiley   +1 more source

Model based analysis of the methane seeping influence on the acidification in the East Siberian Arctic Shelf waters

Frontiers in Marine Science
A giant Arctic subsea permafrost reservoir of methane (CH4) in different forms (hydrates, free gas) is leaking, likely at an increasing rate under climate warming. This is causing a massive CH4 release from sediments into the water column and atmosphere.
Evgeniy Yakushev, Anfisa Berezina, Anfisa Berezina, Natalia Shakhova, Natalia Shakhova, Natalia Shakhova, Jorn Bruggeman, Philip Wallhead, André Staalstrøm, Matvey Novikov, Shamil Yakubov, Anastasia Zagovenkova, Murat V. Ardelan, Richard Bellerby, Örjan Gustafsson, Igor Semiletov, Igor Semiletov   +16 more
doaj   +1 more source

Shifts in subsurface oxygen transport and consumption patterns in a restored coastal flood plain over five years

Limnology and Oceanography, Volume 71, Issue 8, August 2026.
Abstract Groundwater dissolved oxygen (DO) variability in coastal systems remains poorly understood despite its importance for biogeochemical cycling and ecosystem modeling. This study investigates temporal variability in groundwater DO and its hydro‐climatic drivers across timescales (hourly to seasonal) in a coastal floodplain at Beaver Creek ...
Emilio Grande, Ruby N. Ghosh, McCIntire, Mike J. Freeman, Peter Regier, Nicholas D. Ward   +5 more
wiley   +1 more source

Progress in Biodegradable Nonwoven Materials for Personal Protective Applications

Macromolecular Materials and Engineering, Volume 311, Issue 8, August 2026.
ABSTRACT Personal protective equipment generates large waste streams, underscoring the need for materials that deliver protection without persistent environmental costs. This study reviews biodegradable nonwoven options and relates material choice and disposal routes to barrier performance, comfort, and footprint.
Tarikul Islam, Sayam, Pooja Maurya, Gajanan Bhat   +3 more
wiley   +1 more source

Plastics and Bioplastics End of Life: A Biocatalytic Perspective

Microbial Biotechnology, Volume 19, Issue 8, August 2026.
Biocatalysis links selected conventional plastics and bioplastics to biological routes for polymer transformation, product recovery and end‐of‐life management. Enzymes and microbes enable depolymerisation, upcycling and recovery of monomers, platform chemicals and new materials.
Laura I. de Eugenio, Isabel Pardo, M. Auxiliadora Prieto   +2 more
wiley   +1 more source

Steric effect of coordinative-saturated monomeric Fe sites enables aerobic oxidation of methane to C2 hydrocarbons

Nano Research
Iron-containing zeolite catalysts (Fe-zeolites) demonstrate exceptional performance in selective oxidation of methane to C1 oxygenates, while aerobic C–C coupling to C2 hydrocarbons has remained elusive.
Zhenchao Xu, Yu Fu, Yihai Wu, Xinglong Chen, Hongyu Li, Jiong Li, Tao Gan, Jun Zhang   +7 more
doaj   +1 more source

Theoretical Analysis of Landfill Gas Migration in Capillary Barrier Covers Considering Effects of Waste Temperature

Applied Sciences
The high-temperature and high-humidity conditions arising from the biochemical degradation of landfill waste result in significant temperature gradients within the landfill cover.
Tao Wu, Huaning Yang, Jiankang Cheng, Guannian Chen, Haoqing Xu, Lei Zhang   +5 more
doaj   +1 more source

Genomic reconstruction of an uncultured hydrothermal vent gammaproteobacterial methanotroph (family Methylothermaceae) indicates multiple adaptations to oxygen limitation

Frontiers in Microbiology, 2015
Hydrothermal vents are an important contributor to marine biogeochemistry, producing large volumes of reduced fluids, gasses, and metals and housing unique, productive microbial and animal communities fueled by chemosynthesis.
Connor Tobias Skennerton, Lewis M Ward, Alice eMichel, Kyle eMetcalfe, Chanel eValiente, Sean eMullin, Ken Y Chan, Viviana eGradinaru, Victoria J Orphan   +8 more
doaj   +1 more source

Copper’s dual role in aerobic methane oxidation coupled with aerobic denitrification: Boosts CH4-derived carbon for denitrification but inhibits it via methanobactin competition

Water Research X
Aerobic methane oxidation coupled with aerobic denitrification (AME-AD) has the capability to remove nitrate and reduce methane (CH4) under aerobic conditions.
Yujing Fan, Qing Yang, Xueyou Liang, Man Feng, Zhiling Gao, Miaomiao Chen, Wenlin Wang, Chunjing Liu   +7 more
doaj   +1 more source

Metabolic coupling between soil aerobic methanotrophs and denitrifiers in rice paddy fields

Nature Communications
Paddy fields are hotspots of microbial denitrification, which is typically linked to the oxidation of electron donors such as methane (CH4) under anoxic and hypoxic conditions.
Kang-Hua Chen, Jiao Feng, Paul L. E. Bodelier, Ziming Yang, Qiaoyun Huang, Manuel Delgado-Baquerizo, Peng Cai, Wenfeng Tan, Yu-Rong Liu   +8 more
doaj   +1 more source