Results 121 to 130 of about 302,875 (296)

Steam Reforming of Bio-oil Model Compounds [PDF]

, 2012
The steam reforming of bio-oil is a sustainable and renewable route to synthesis gas and hydrogen, where one of the main hurdles is carbon formation on the ...
Trane, Rasmus, Dahl, Søren, Jensen, Anker Degn   +2 more
core  

Dynamic Active Site Mechanism and Compositional Tuning in LaxSr1−xCoyFe1−yO3 (LSCF) Perovskites Toward Efficient Oxygen Evolution

EcoEnergy, EarlyView.
A dynamic active site mechanism through cooperative metal–lattice oxygen interactions enables efficient oxygen evolution in LSCF perovskites without relying on oxygen vacancy formation, where the La/Sr ratio governs the intrinsic activity of LSCF and Co incorporation provides secondary enhancement, establishing a general composition‐guided paradigm for
Seong Chan Cho, Hajin Lee, Jun Ho Seok, Jae Hun Seol, Hung Ngo Manh, Chi Ho Lee, Sang Uck Lee   +6 more
wiley   +1 more source

3‐Reactor Chemical Looping System for Point Source CO2 Capture and Subsequent Conversion for Liquid Fuel Production

EcoEnergy, EarlyView.
This study presents a novel 3‐reactor chemical looping system for CO2 capture and subsequent utilization with biomass and natural gas for producing liquid fuels. Using Ca2Fe2O5\Fe2O3 oxygen carriers, it achieves 60% CO2 capture efficiency, ∼80% syngas purity, and autothermal operation, offering a scalable, carbon‐negative route to sustainable fuels ...
Krutarth Pandit, Xiaofeng Jiang, Falguni Akulwar, Danwyn J. Aranha, Rushikesh K. Joshi, Zhuo Cheng, Liang‐Shih Fan   +6 more
wiley   +1 more source

Catalytic steam reforming of waste tire pyrolysis volatiles using a tire char catalyst for high yield hydrogen-rich syngas

Fuel Processing Technology
The production of hydrogen and syngas (H2/CO) from waste tires by pyrolysis catalytic steam reforming was investigated in a two-stage fixed bed reactor. In this study, tire char served as a sacrificial catalyst, facilitating the combination of catalytic ...
Yukun Li, Paul T. Williams
doaj   +1 more source

Coupling Selective Organic Oxidation With Hydrogen Evolution Over Metal Halide Perovskite Photocatalysts: Halide‐Dependent Design, Mechanisms, and Stability Challenges

EcoEnergy, EarlyView.
This Review highlights how metal halide perovskites enable coupled selective organic oxidation and hydrogen evolution under visible light. It summarizes halide‐dependent design principles, surface engineering strategies, reaction mechanisms, and stability challenges, providing guidance for developing efficient and durable photocatalytic systems ...
Jutarat Jitrada, Lizhen Liu, Patchanita Thamyongkit, Yanfa Yan, Jun Huang   +4 more
wiley   +1 more source

Multidimensional Engineering Enabling Rate‐Matched C−N Coupling for Efficient Organonitrogen Electrosynthesis

EcoEnergy, EarlyView.
This review introduces rate matching as a unifying design principle for efficient electrochemical C−N coupling and highlights multidimensional engineering of catalysts, interfaces, and reactors to synchronize the generation of carbon‐ and nitrogen‐containing intermediates, balance their surface coverages, maximize C−N bond formation, and enable ...
Kaixing Cai, Chunyang Pu, Jun Yang, Guangqin Li, Jiahui Xian   +4 more
wiley   +1 more source

Efficient production of hydrogen from natural gas steam reforming in palladium membrane reactor

, 2008
Ultra-thin, high performance composite palladium membrane, developed via a novel electroless plating method, was applied to construct a membrane reactor for methane steam reforming reaction, which was investigated under the following working conditions ...
Chen, Yazhong, Xu, Hengyong, Xiong, Guoxing, 徐恒泳, Wang, Yuzhong   +4 more
core   +1 more source

Challenges and trends in hydrogen production by electrolysis

Environmental Progress &Sustainable Energy, EarlyView.
Abstract The growing global demand for clean and sustainable energy has intensified research into hydrogen production via water electrolysis. In this context, this review provides an integrative analysis of recent advances in electrolytic hydrogen production, emphasizing electrocatalytic materials, electrolyte composition, process efficiency, techno ...
Eduarda Carolina Hagemann Lopes, Letícia Fernanda Gonçalves Larsson, André Lazarin Gallina   +2 more
wiley   +1 more source

Preparation and characterization of Ir-based catalysts on metallic supports for high-temperature steam reforming of methanol

, 2008
Ir-based catalysts on heat-resisting foil supports with different washcoats were investigated for hydrogen production by high-temperature steam reforming of methanol.
Yuan, Zhongshan, Wang, Shudong, Wang, Shujuan, Jia, Jingsheng, Zhang, Chunxi, Zhou, Jin, 王树东, Cao, Lei   +7 more
core   +1 more source

Beyond electricity generation: Nuclear power plants as circular chemical manufacturing hubs for plastic waste valorization

Environmental Progress &Sustainable Energy, EarlyView.
Abstract Large nuclear power plants have traditionally been regarded as facilities dedicated to electricity generation. This study proposes a systems‐level concept in which they function as circular chemical manufacturing hubs integrating plastic waste valorization, hydrogen production, carbon utilization, and downstream polymer synthesis within a ...
Jaroslav Pavelka
wiley   +1 more source