WebPromotional effect of spilt-over hydrogen on m-xylene isomerization over NiS/Al2O3-USY @article{Yang1997PromotionalEO, title={Promotional effect of spilt-over hydrogen on m-xylene isomerization over NiS/Al2O3-USY}, author={Ming Yang and Ikusei Nakamura and Kaoru Fujimoto}, journal={Studies in Surface Science and Catalysis}, year={1997}, … WebIndirectly, the depen- in the case of hydrogen spillover, the nature of the dence of the rate of isotopic exchange in the system migrating species H∗ (charged or uncharged, atomic Pt/Na-Y–H-Y zeolite on the direction of an external or molecular) is still under discussion.
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Web15 de ago. de 2000 · The effect of spilt-over hydrogen on catalysts which were prepared by physically mixing zeolites or alumina with SiO 2 -supported noble metals on chemisorbed … Web16 de dez. de 1997 · Abstract The effect of spilt-over hydrogen on catalysts which were prepared by physically mixing zeolites or alumina with SiO2-supported noble metals on … smart led light bulblightone
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Web22 de jul. de 2024 · Herein, we report the selective hydrogenation of cinnamaldehyde to cinnamyl alcohol over Pt catalysts supported on pre-reduced WO x. The as-prepared Pt/ … Web11 de abr. de 2024 · It was found that of the heat released from char oxidation, 5–8% heats the timber and drives further pyrolysis, and 92–95% is heat lost to the surrounds. Under a low applied heat flux of 30 kW/m 2, for every 1g of pyrolysis, another 0.6g of additional mass loss is incurred due to the presence of char oxidation. WebThe conductivity change in the TiO 2 component can be correlated with the action of activated hydrogen species formed on platinum and having diffused onto the titania support in a spillover form. The spilt-over hydrogen species can be described as surface electron donors, i.e. as coexisting H atoms and H + ions. smart led lights walmart