Results 41 to 50 of about 5,615,470 (226)

Catalytic pyrolysis of biomass waste using coal fly ash‐derived ZSM‐5 zeolite for enhanced bioenergy production

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract Energy security and sustainability drive the exploration of innovative conversion strategies for abundant biomass waste into energy‐dense products (solid, liquid, and gaseous biofuels). This study demonstrated the catalytic potential of a coal fly ash (CFA)‐derived ZSM‐5 zeolite in enhancing biomass pyrolysis, focusing on lignocellulosic ...
Januario Da Costa Hossi, Kevin Harding
wiley   +1 more source

Combined treatments of underground coal slurry: Laboratory testing and field application

open access: yes, 2021
During the coal mining process, underground water is generated from the longwall face. In the meantime, the coal cutting process would produce coal particles.
Xinguo Zhang (5580152)   +5 more
core   +2 more sources

Beyond Furnaces: Harnessing In Situ Joule Heating for Efficient C1 Catalysis

open access: yesCarbon Energy, EarlyView.
Joule‐heated catalysis directly converts electrical energy into localized heat within conductive catalysts, overcoming the heat‐transfer limitations of conventional furnaces. This review summarizes recent advances in C1 molecule conversion, including CO2 methanation, reforming for hydrogen production, and HCHO/CO oxidation, while highlighting ...
Xue Kong   +8 more
wiley   +1 more source

Waste Sawdust‐Derived Hard Carbon Anodes With Engineered Interlayer Spacing for Sodium‐Ion Batteries Exhibiting High Initial Coulombic Efficiency

open access: yesCarbon Energy, EarlyView.
It is demonstrated that waste sawdust, a green, eco‐friendly, and low‐cost biomass byproduct, can be converted into high‐performance hard carbon through the application of a precisely controlled heating rate. This strategy is optimized and validated through first‐principles calculations, achieving precise control over interlayer spacing and pore ...
Jie Di   +6 more
wiley   +1 more source

Research on the application of inter hole resistivity monitoring in grouting effect detection

open access: yesGong-kuang zidonghua, 2023
The main technical means for preventing and controlling karst water damage in the coal seam floor of North China type coal fields are grouting transformation of the water-bearing rock layer.
WANG Cheng   +3 more
doaj   +1 more source

Applications of Biomaterials in Separators for Secondary Batteries

open access: yesCarbon Energy, EarlyView.
In this review, biomaterial‐based separators are reviewed as sustainable alternatives to conventional polyolefin‐based separators. For 12 different natural polymers, spanning from Protista, Plantae, and Animalia, viable strategies for synthesizing biomass‐based separators are described.
Jongyoung Choi   +3 more
wiley   +1 more source

Insight of anode reaction for CWS (coal water slurry) electrolysis for hydrogen production

open access: yes, 2016
Mechanism of CWS (coal water slurry) electrolysis was investigated by using anode reaction kinetics. The results indicated that the activation energies of electrode reaction reduce with the increase in activity of carbon materials.
Gong, Xuzhong   +6 more
core   +1 more source

Estimation of Aperture and Stiffness of Fractures under High Water Pressure Using Hydrological Data and Slurry Consolidating Body

open access: yesGeofluids, 2022
The fractured limestone aquifers under coal seams bring great threat to coal production, and grouting engineering before mining is usually used to seal the fractures and prevent water inrushes.
Jianbo Li, Yanchun Xu
doaj   +1 more source

Challenges of Bio‐Syngas Conversion to High‐Value‐Added Liquid Chemicals and Fuels via COx Hydrogenation

open access: yesCarbon Energy, EarlyView.
Converting biomass‐derived syngas into value‐added fuels and chemicals offers a promising route toward carbon neutrality, yet unfavorable H2/COx ratios, elevated CO2 levels, and trace impurities pose persistent obstacles. This review examines strategies spanning syngas conditioning, impurity‐tolerant catalyst development, and integrated process design,
Xuan Bie   +7 more
wiley   +1 more source

Algebraic model for predicting the hydrodynamics of cocurrent three‐phase fluidized columns

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Abstract This study presents a novel simplified set of momentum equations to predict the overall hydrodynamics of a cocurrent gas–liquid–solid slurry bed, including phase fractions and pressure drop. The mentioned momentum closures are derived from an idealization of the upward flows within the bed of solid particles, obtained by extending an approach ...
Andreu Bernad‐Serra, Ville Alopaeus
wiley   +1 more source

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