From ethene to propene (ETP) on tailored silica-alumina supports with isolated Ni(ii) sites: uncovering the importance of surface nickel aluminate sites and the carbon-pool mechanism [0.03%]
具有孤立Ni(II)位点的定制硅铝催化剂上的乙烯环氧化制丙烯：表面镍铝酸盐位点的重要性以及碳池机制的作用
Zixuan Chen,Scott R Docherty,Pierre Florian et al.
Zixuan Chen et al.
Catalysts with well-defined isolated Ni(ii) surface sites have been prepared on three silica-based supports. The outer shells of the support were comprised either of an amorphous aluminosilicate or amorphous alumina (AlO x ) layer - associa...
The structural evolution of Mo2C and Mo2C/SiO2 under dry reforming of methane conditions: morphology and support effects [0.03%]
甲烷干重整条件下Mo₂C和Mo₂C/SIO₂的结构演变：形貌与载体效应
Alexey Kurlov,Dragos Stoian,Ali Baghizadeh et al.
Alexey Kurlov et al.
The thermal carburization of MoO3 nanobelts (nb) and SiO2-supported MoO3 nanosheets under a 1 : 4 mixture of CH4 : H2 yields Mo2C-nb and Mo2C/SiO2. Following this process by in situ Mo K-edge X-ray absorption spectroscopy (XAS) reveals diff...
Nickel foam supported porous copper oxide catalysts with noble metal-like activity for aqueous phase reactions [0.03%]
具有类似贵金属活性的多孔氧化铜纳米催化剂用于水相反应
Lorianne R Shultz,Konstantin Preradovic,Suvash Ghimire et al.
Lorianne R Shultz et al.
Contiguous metal foams offer a multitude of advantages over conventional powders as supports for nanostructured heterogeneous catalysts; most critically a preformed 3-D porous framework ensuring full directional coverage of supported cataly...
Dual promotional effect of Cu x O clusters grown with atomic layer deposition on TiO2 for photocatalytic hydrogen production [0.03%]
原子层沉积生长的Cu x O簇在TiO2光催化产氢中的协同促进效应
Saeed Saedy,Nico Hiemstra,Dominik Benz et al.
Saeed Saedy et al.
The promotional effects on photocatalytic hydrogen production of Cu x O clusters deposited using atomic layer deposition (ALD) on P25 TiO2 are presented. The structural and surface chemistry study of Cu x O/TiO2 samples, along with first pr...
Tuning the catalytic acidity in Al2O3 nanofibers with mordenite nanocrystals for dehydration reactions [0.03%]
以丝光沸石纳米晶体调节Al2O3纳米纤维催化剂酸性用于脱水反应
M A Rodriguez-Olguin,R N Cruz-Herbert,H Atia et al.
M A Rodriguez-Olguin et al.
Alumina (Al2O3) is one of the most used supports in the chemical industry due to its exceptional thermal stability, surface area, and acidic properties. Mesoscopic structured alumina with adequate acidic properties is important in catalysis...
Atomic-scale changes of silica-supported catalysts with nanocrystalline or amorphous gallia phases: implications of hydrogen pretreatment on their selectivity for propane dehydrogenation [0.03%]
纳米结晶或非晶态镓氧化物负载型分子筛硅酸盐催化剂的原子结构变化及其对丙烷脱氢选择性影响的氢处理效应研究
Pedro Castro-Fernández,Alexander I Serykh,Alexander V Yakimov et al.
Pedro Castro-Fernández et al.
This work explores how H2 pretreatment at 550 °C induces structural transformation of two gallia-based propane dehydrogenation (PDH) catalysts, viz. nanocrystalline γ/β-Ga2O3 and amorphous Ga2O3 (GaO x ) supported on silica (γ-Ga2O3/SiO...
New insights into the NH3-selective catalytic reduction of NO over Cu-ZSM-5 as revealed by operando spectroscopy [0.03%]
原位谱学在Cu-ZSM-5上NH3选择性催化还原NO研究中的新认识
Xinwei Ye,Ramon Oord,Matteo Monai et al.
Xinwei Ye et al.
To control diesel vehicle NO x emissions, Cu-exchanged zeolites have been applied in the selective catalytic reduction (SCR) of NO using NH3 as reductant. However, the harsh hydrothermal environment of tailpipe conditions causes irreversibl...
Tracking heterogeneous structural motifs and the redox behaviour of copper-zinc nanocatalysts for the electrocatalytic CO2 reduction using operando time resolved spectroscopy and machine learning [0.03%]
利用原位时间分辨光谱和机器学习跟踪铜-锌纳米催化剂在电催化二氧化碳还原中的异质结构基元及其氧化行为
Martina Rüscher,Antonia Herzog,Janis Timoshenko et al.
Martina Rüscher et al.
Copper-based catalysts are established catalytic systems for the electrocatalytic CO2 reduction reaction (CO2RR), where the greenhouse gas CO2 is converted into valuable industrial chemicals, such as energy-dense C2+ products, using energy ...
Kinetic studies on Lewis acidic metal polyesterification catalysts - hydrolytic degradation is a key factor for catalytic performance [0.03%]
路易斯酸金属催化剂酯交换反应动力学研究-水解降解对催化性能的影响
Lukas A Wolzak,Rogier van Gemert,Keimpe J van den Berg et al.
Lukas A Wolzak et al.
Kinetic analysis of polyesterification reactions using Lewis-acidic metal catalysts have been performed. While Sn-based catalysts are superior to Ti-based catalysts under neat polycondensation conditions (high [H2O]), the result is inverted...
Nano-scale insights regarding coke formation in zeolite SSZ-13 subject to the methanol-to-hydrocarbons reaction [0.03%]
甲醇制烃反应下丝光沸石SSZ-13生碳的纳米级机理研究
S H van Vreeswijk,M Monai,R Oord et al.
S H van Vreeswijk et al.
The methanol-to-hydrocarbons (MTH) process, commonly catalyzed by zeolites, is of great commercial interest and therefore widely studied both in industry and academia. However, zeolite-based catalyst materials are notoriously hard to study ...