Results 31 to 40 of about 2,715,462 (245)

Decoding the N-doping mechanism for enhanced CO2 adsorption on biochar

Carbon Capture Science & Technology
The growing demand for efficient carbon capture technologies has led to the exploration of biochar as a promising material for CO2 adsorption, particularly through modifications such as nitrogen doping to enhance its performance.
Shuo Xiang, Jun-Long Li, Tie Wu, Lian-Peng Li, Mian Hu, Jun Zhao, Zhong-Ting Hu, Zhiyan Pan   +7 more
doaj   +1 more source

Process Synthesis of an S-CO₂Brayton Cycle Operating at an Ultra-Supercritical Steam Cycle Level

Chemical Engineering Transactions, 2019
Supercritical CO2 (S-CO2) Brayton cycle perceives the advantages of high cycle efficiency and compact turbine machinery. In certain temperature ranges, its cycle efficiency can be higher than that of a steam Rankine cycle.
Senjing Qin, Pei Liu
doaj   +1 more source

Electrodeposition from supercritical fluids

, 2014
Recent studies have shown that it is possible to electrodeposit a range of materials, such as Cu, Ag and Ge, from various supercritical fluids, including hydrofluorocarbons and mixtures of CO2 with suitable co-solvents. In this perspective we discuss the
George, M.W., Hector, A., Reid, G., Bartlett, P., Smith, D.C., Cook, D.A., Levason, W., Ke, J., Zhang, W.   +8 more
core   +1 more source

Microcellular Foaming of Polymethylmethacrylate in a Batch Supercritical CO2 Process: Effect of Microstructure on Compression Behavior [PDF]

, 2010
Microcellular foaming of reinforced core/ shell Polymethylmethacrylate (PMMA) was carried out bymeans of supercritical CO2 in a single-step process. Samples were produced using a technique based on the saturation of the polymer under high pressure of CO2(
REGLERO RUIZ, Jose Antonio, DUMON, Michel, VIOT, Philippe   +2 more
core   +1 more source

Supercritical CO2 as the carbon source and reaction medium for methanethiol synthesis in primordial subseafloor [PDF]

, 2023
Abiotic synthesis of methanethiol through CO2 reduction is a presumptive initiation reaction of protometabolism in primordial ocean hydrothermal systems.
Ken, Takai, Satoshi, Okada, Hisahiro, Ueda, Eiji, Tasumi, Norio, Kitadai, Takazo, Shibuya   +5 more
core   +2 more sources

Supercritical water synthesis of nano-particle catalyst on TiO2 and its application in supercritical water gasification of biomass

Journal of Experimental Nanoscience, 2017
Hydrogen production by catalytic gasification in supercritical water (SCW) is a promising way to utilise biomass resource. Supercritical water not only provides homogeneous and rapid reaction environment for the biomass gasification but also causes ...
Hui Jin, Xiao Zhao, Zhenqun Wu, Changqing Cao, Liejin Guo   +4 more
doaj   +1 more source

A novel spiral infinity reactor for continuous hydrothermal synthesis of nanoparticles

Scientific Reports, 2022
Hydrothermal synthesis is an attractive route to make nanoparticles utilizing inexpensive precursors under moderate process conditions. Though it provides flexibility and robustness in controlling particle characteristics, process scale-up for continuous
Arjun Kumar Pukkella, Naga Ravikumar Varma Nadimpalli, Venkataramana Runkana, Sivakumar Subramanian   +3 more
doaj   +1 more source

Valence-tuned electron bridge enables high-yield multi-electron HMF oxidation over spinel catalysts

Nature Communications
The catalytic oxidation of 5-hydroxymethylfurfural to 2,5-furandicarboxylic acid is a key step in the production of bio-based plastics but remains limited by sluggish multi-electron transfer kinetics across multiple reaction intermediates. In this study,
Zhong-Ting Hu, Gan He, Xiaohuan Tao, Jinshu Tian, Mingwu Tan, Ni Ouyang, Jun-Long Li, Mian Hu, Jie-Xin Wang, Yihan Zhu, Dapeng Cao, Zhiyan Pan, Yong Wang, Xiaonian Li   +13 more
doaj   +1 more source

Pulsed Laser‐Assisted Phase Engineering of Multimetallic Colloidal Nanocrystals With Complex Compositions

Advanced Materials, EarlyView.
The engineering of colloidal nanocrystals with complex compositions has emerged as a highly active area of research within nanomaterials science. This review covers key aspects of colloidal solid‐solution nanocrystal formation using pulsed laser irradiation.
Marina T. Candela, Sergio Triviño‐Sánchez, Andrés Guerrero‐Martínez, Luis M. Liz‐Marzán, Guillermo González‐Rubio   +4 more
wiley   +1 more source

Phase Engineering of Nanomaterials (PEN): Evolution, Current Challenges, and Future Opportunities

Advanced Materials, EarlyView.
This review summarizes the synthesis, phase transition, advanced characterization spanning ex situ to in situ and operando techniques, and diverse applications of phase engineering of nanomaterials (PEN). It further outlines key challenges and future opportunities, such as phase stability, architecture control, and artificial intelligence (AI)‐driven ...
Ye Chen, Zhanxi Fan, Jingjie Ge, Qiyuan He, Zhuangchai Lai, Jiawei Liu, Chaoliang Tan, Hua Zhang   +7 more
wiley   +1 more source