Methane synthesis in the H2O + CO reaction over titania-supported Rh and Rh-Pt catalysts 喜欢 0 阅读量: 51 作者:F Solymosi,András Erdohelyi,I Tombácz 摘要: Rh/TiO 2 was found to be a very active catalyst for CH 4 formation in the H 2O + CO reaction and its catalytic activity ...
因此人们对于CO氧化反应在宏观以及分子层面都做了大量的研究。水煤气变换反应(WGS: water-gas shift reaction)，即CO + H2O= CO2+ H2。.该反应可在有水蒸气的气氛下氧化co,对于纯化H2,消除PEMFC中毒害Pt电极的少量CO方面具有十分重要的作用,因此WGS反应成为许多研究者的课题。当前用于该反应的工业催化剂一般为Cu/...
The electron-transfer (ET) reactivity of Co(H 2O) 6 2+/3+, a prototype system of the ET reactions between transition metal complexes in solution, is determined by employing this scheme. The theoretical results are compared with the corresponding experimental values and good agreement is found....
Balance C3H6O3 + O2 = CO + H2O Using Inspection The law of conservation of mass states that matter cannot be created or destroyed, which means there must be the same number atoms at the end of a chemical reaction as at the beginning. To be balanced, every element in C3H6O3 + O2 = CO...
如图展示的催化加氢合成乙醇的流程中,首先,CO2在特定催化剂作用下发生逆水煤气变换(Reverse Water Gas Shift reaction,简称 RWGS,该反应是水煤气变换反应的逆向反应,即由二氧化碳和氢气相互作用,生成一氧化碳和水)反应生成一氧化碳(CO)。在这一步骤中,CO2分子中的碳氧双键(C=O)被活化,氢气解离后的氢原子与CO2作用...
The reaction of hydroxyl (OH) radicals with ethylene (C2H4), propylene (CH3CHCH2), and acetaldehyde (CH3CHO) has been studied mass spectrometrically in a discharge-flow system at 300°K. Bimolecular rate constants for these reactions are... ED Morris,DH Stedman,H Niki - 《Journal of the ...
(WGS) reaction (CO + H2O → CO2 + H2)7and CO hydrogenation to methanol reaction (CO + 2H2 → CH3OH)8,9, are a representative example. This has inspired great efforts devoted to identifying the active sites of Cu–ZnO–Al2O3catalysts in both reactions. However,...
The reactions of H+(H2O)n(CH3COCH3)m with CH3SCH3 are also rapid and proceed by switching both a CH3COCH3 and a H2O out of the primary ion. The rate constant for H+(CH3COCH3)2 is very slow, although the addition of two H2O ligands increases reaction by a factor of 13 and 21,...
based catalysts on CO2 hydrogenation to ethanol and comparison of TOF in this work with the reported literature. (f) Recycling experiment over RhFeOx/P25 under the optimum reaction conditions, 220 °C, 5.0 MPa (initial pressure), H2/CO2 = 3, 30 mg catalyst, 20 mL H2O, 5 h, 600 rpm....
3被激发态光催化剂氧化生成烯烃自由基阳离子3•+,与H2O反应,加成到苄基邻位碳原子上得到2•+。随后去质子和第二次脱氢,在苄基邻位脂肪碳上生成相应的羰基,得到最终产物2。其中Co催化剂在该反应中具有双重作用,它负责(1)提取氢和(2)通过XylF-Acr•的氧化反应进行光氧化还原循环。不仅如此,对于富含电子的...