Results 241 to 250 of about 4,483,134 (295)
Dopant redox stability as a design principle for selective CO<sub>2</sub> electroreduction on Cu.
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Hydrogen Reduction Reduction (HRR)
ECS Meeting Abstracts, 2023The year 2023 marks the bicentennial of the discovery of heterogeneous H2 catalysis. Nowadays, the hydrogen oxidation reaction (HOR), which converts H2 to protons (H+), is one of the most important transformations in energy research. Meanwhile, hydrogenation reactions, which transfer net H-atoms (H·) to organic substrates from H2, play pivotal roles
Hai-Xu Wang, Yogesh Surendranath
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THE REDUCTION OF HYDROGEN PEROXIDE BY FIBRIN
Canadian Journal of Research, 1946It has previously been reported by Jaques that fibrinogen and fibrin possess marked reducing powers. In a further investigation of this property, the reduction of hydrogen peroxide by these proteins has been studied. Commercial fibrin sometimes contains large amounts of catalase.
L B, JAQUES, H J, BELL
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Reduction of sulfates by hydrogen
Canadian Journal of Chemistry, 1976The initial stage of reduction of anhydrous sulfates by H2 may lead to the formation of any of the following: (1) sulfates at lower valency, e.g., reduction of CuSO4, HgSO4, Fe2(SO4)3; (2) metals, e.g., Cu2SO4, Ag2SO4; (3) sulfides, e.g., NiSO4, CoSO4, CdSO4, CaSO4, SrSO4, BaSO4, and alkaline metal sulfates; (4) oxides, e.g., Al2(SO4)3, MgSO4, BeSO4; (
Fathi Habashi +2 more
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Reduction of Fe2O3 with hydrogen
Applied Catalysis A: General, 2010Abstract The reduction of Fe 2 O 3 with hydrogen was studied. The thermodynamic analysis of the process implied that temperature-programmed reduction of the oxide should proceed in three steps, i.e. Fe 2 O 3 → Fe 3 O 4 → “FeO” → Fe, at X H 2 O / X H 2 ratio over 0.35, but in two steps, i.e.
Jerzy Zieliński +3 more
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Reduction of stibnite by hydrogen
Journal of the Less Common Metals, 1979Abstract The reduction of stibnite by hydrogen in the absence and in the presence of sulfur acceptors has been investigated at atmospheric pressure and at temperatures of 200 – 600 °C. The activation energy of these processes has been found to be 17.4 kcal mol −1 (−7.2 × 10 4 J), 20.4 kcal mol −1 (−8.5 × 10 4 J), and 27.7 kcal mol −1 (−11.6 × 10
Arpad E Torma, Osman T Inal
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Kinetics of hydrogen peroxide reduction by hydrogen in a microreactor
Applied Catalysis A: General, 2009Abstract An overall rate expression for the formation of hydrogen peroxide by direct combination (DC) of H 2 and O 2 is required for a rational design of a microreactor and for the determination of the optimum operating conditions for this process. Since the formation of H 2 O 2 by the DC process involves four simultaneous reactions (synthesis of ...
Yury Voloshin, Adeniyi Lawal
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Reduction of tungsten oxides with hydrogen and with hydrogen and carbon
Thermochimica Acta, 1996Abstract The reductions of WO 3 and of WO 3 -graphite mixtures with hydrogen were studied in isothermal experiments in a tube furnace from 575 to 975°C, using evolved gas analysis, X-ray powder diffraction, and scanning electron microscopy. The intermediate phases W 20 O 58 , W 18 O 49 , and WO 2 were observed in the reductions.
Dean S. Venables, Michael E. Brown
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Homogeneous Reduction of Carbon Dioxide with Hydrogen
Topics in Current Chemistry, 2017Carbon dioxide (CO2), a key greenhouse gas produced from both anthropogenic and natural sources, has been recently considered to be an important C1 building-block for the synthesis of many industrial fuels and chemicals. Catalytic hydrogenation of CO2 using a homogeneous system is regarded as an efficient process for CO2 valorization.
Kaiwu Dong +3 more
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