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To peak carbon emissions and achieve carbon neutrality are the big goal for the “0·60” targets and they portend that the era of hydrogen energy is coming. On the road from a low-carbon city to a carbon-free city, how to realize the development from primary traditional energy to the potential green energy, is very crucial. So, based on the global perspective and the development status of hydrogen energy in various countries, the green hydrogen technologies are discussed in this article. (See Ying Zhou et al. Pages 2–13)
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With the booming of renewable sources, the technological process of “renewable energy power → electrolytic H2 production → NH3 synthesis → NH3 utilization” has aroused great attention due to the carbon-free process. Developing renewable electrolysis of water coupled catalytic ammonia synthesis technology requires advanced catalysts for efficient NH3 synthesis at mild conditions. Herein, we report the design of subnanometer Ru clusters (0.8 nm) anchored on the hollow N-doped carbon spheres catalyst (Ru-SNCs), which effectively promotes NH3 synthesis at mild conditions via an associative route, differing from the dissociative route over Ru nanoparticle catalysts. (See Yanliang Zhou et al. Pages 177–184)
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Light-responsive adsorbents are developed for CO2 capture out of the good controllability. Azobenzene derivative was incorporated into mesoporous silica as the light-responsive switches, and amines were introduced as the target-specific active sites for CO2 over CH4. The surface electrostatic potentials of amines can be regulated by the light-responsive switches, and consequently the selectivity and adsorption capacity of the adsorbents can be efficiently modulated. This emerging field contributes to the improvement of adsorption techniques (see Tan et al. Pages 104–111).
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Efficient separation of C3H8/C2H6/CH4 mixture in natural gas is of great significance for the resource recycling and environmental protection. Herein, a pillared-layer MOF Ni(HBTC)(bipy) was used for the separation of C3H8/C2H6/CH4. Due to the nonpolar pore environment and suitable pore size, the material exhibits high C3H8 capture capacity and excellent selectivity. Breakthrough experiments demonstrate that it can completely separate such ternary mixture. This study provides useful information for the development of high-performance adsorbents for the purification of natural gas (see Guo et al. Pages 10–16).
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28 March 2022, Volume 43 Issue 3
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Permeation characteristics of light hydrocarbons through Poly(amide-6-b-ethylene oxide) multilayer composite membranes Abstract ( 0 )
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Accepted:2012-07-06 Heat Transfer Behavior in a Square Duct with Tandem Wire Coil Element Insert Abstract ( 0 )
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Accepted:2012-07-06 基于ARX-NNPLS模型的优化策略及在聚合物牌号切换过程中的应用ARX-NNPLS Abstract ( 0 )
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Accepted:2012-07-06 甲烷/乙烯/空气预混火焰层流燃烧速度与火焰稳定性的数值研究 Abstract ( 0 )
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Accepted:2012-07-06 Advances in LES Studies on Two-Phase Combustion--Part II: LES of Complex Engineering Gas-Particle Flows and Coal Combustion Lixing ZhouAbstract ( 0 )
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Journal Introduction
Started in 1982(Monthly)
Editor-in-Chief:FEI Weiyang
Executive Editor-in-Chief: LUO Guangsheng
Sponsored: Chemical Industry and Engineering Society of China,
Chemical Industry Press Co., Ltd.
ISSN: 1004-9541
CN: 11-3270/TQ
Editor-in-Chief:FEI Weiyang
Executive Editor-in-Chief: LUO Guangsheng
Sponsored: Chemical Industry and Engineering Society of China,
Chemical Industry Press Co., Ltd.
ISSN: 1004-9541
CN: 11-3270/TQ
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