Results 31 to 40 of about 1,055,415 (308)

Titania supported synergistic palladium single atoms and nanoparticles for room temperature ketone and aldehydes hydrogenation

Nature Communications, 2020
Highly efficient catalysts are demanded to realize selective hydrogenation of ketone/aldehydes to alcohols under mild conditions. Here, the authors report a TiO2 supported Pd single-atom/nanoparticles synergistic catalyst with outstanding hydrogenation ...
Long Kuai, Zheng Chen, Shoujie Liu, Erjie Kan, Nan Yu, Yiming Ren, Caihong Fang, Xingyang Li, Yadong Li, Baoyou Geng   +9 more
doaj   +1 more source

Catalysts for selective hydrogenation of acetylene: A review

Materials Today Catalysis, 2023
Ethylene is a crucial industrial feedstock in the petrochemical sector. However, the presence of a small amount of acetylene impurities in ethylene products will directly affect the next application of ethylene.
Kefeng Xie, Kai Xu, Mingqiang Liu, Xiaohong Song, Shengyuan Xu, Huayan Si   +5 more
doaj   +1 more source

Effects of TiO2 structure and Co addition as a second metal on Ru-based catalysts supported on TiO2 for selective hydrogenation of furfural to FA

Scientific Reports, 2021
The TiO2 supported Ru-based catalysts were prepared with 1.5 wt% Ru and 0–0.8 wt% Co on various TiO2 (anatase, rutile, P-25, and sol–gel TiO2) and studied in the liquid-phase selective hydrogenation of furfural to furfuryl alcohol (FA) under mild ...
Weerachon Tolek, Natdanai Nanthasanti, Boontida Pongthawornsakun, Piyasan Praserthdam, Joongjai Panpranot   +4 more
doaj   +1 more source

@Co Nanoparticle‐based Catalyst for Efficient Selective Transfer Hydrogenation of α,β‐Unsaturated Aldehydes

, 2020
Currently, developing simple and effective catalysts for selective hydrogenation of α,β‐unsaturated aldehydes to unsaturated alcohols is challenging.
Zhao, Huijun, Chen, Chun, Chun Chen, Han, Miaomiao, Wanbing Gong, Haimin Zhang, Yue Lin, Miaomiao Han, Guozhong Wang, Gong, Wanbing, Zhang, Haimin, Huijun Zhao, Wang, Guozhong, Lin, Yue   +13 more
core   +1 more source

Chiral pyridyl phosphinite catalysts and the development of structure selectivity relationships in the asymmetric hydrogenation of trisubstituted alkenes [PDF]

, 2010
The current trend in developing asymmetric catalysts is towards creating specialized molecules with tailored functions for increased selectivity in classes of substrates rather than general catalysts capable of broad application.
Woodmansee, David Harrison
core   +1 more source

Hydrogenation of Biomass-Derived Levulinic Acid to Gamma- Valerolactone Using Polymer-Based Metal-Containing Catalysts

Chemical Engineering Transactions, 2017
Nowadays the development of effective catalytic systems of selective hydrogenation of levulinic acid (LA) to gamma-valerolactone (GVL) is of high importance.
L.Z. Nikoshvili, I.I. Protsenko, D.A. Abusuek, A.O. Zaykovskaya, A.V. Bykov, V. Matveeva, E. Sulman   +6 more
doaj   +1 more source

Hydrogenation of unactivated enamines to tertiary amines : rhodium complexes of fluorinated phosphines give marked improvements in catalytic activity [PDF]

, 2015
Date of Acceptance: 16/04/2015In the hydrogenation of sluggish unactivated enamine substrates, Rh complexes of electron-deficient phosphines are demonstrated to be far more reactive catalysts than those derived from triphenylphosphine.
Matthew L. Clarke, Clarke, Matthew L., Tin, Sergey, Tamara Fanjul, Sergey Tin, Fanjul, Tamara   +5 more
core   +1 more source

Selective hydrogenation of phenylacetylene over high-energy facets exposed nanotubular alumina supported palladium catalysts

Catalysis Communications, 2023
High-energy facets exposed nanotubular alumina as well as conventional alumina supported Pd catalysts were synthesized and applied to the selective hydrogenation of phenylacetylene.
Jiangang Lv, Di Wang, Xuefeng Guo, Weiping Ding, Weimin Yang   +4 more
doaj   +1 more source

Selective electrocatalytic hydrogenation of nitrobenzene over copper-platinum alloying catalysts: Experimental and theoretical studies

, 2021
We report ultrafine CuxPty alloying nanoparticles anchored on carbon black (CuxPty/C) for selective electrocatalytic hydrogenation of nitrobenzene (Ph-NO2) at ambient conditions.
Liu, Y, Wang, G, Wang, J, Zhang, S, Jin, M, Zhao, H, Zhang, Y, Zhang, X, Zhang, H, Yin, H   +9 more
core   +1 more source

Challenges and opportunities for exploiting the role of zeolite confinements for the selective hydrogenation of acetylene [PDF]

, 2023
Zeolites, with their ordered crystalline porous structure, provide a unique opportunity to confine metal catalysts, whether single atoms (e.g., transition metal ions (TMIs)) or metal clusters when used as a catalyst support. The confined environment has
Jenna, Vito, Manish, Shetty
core   +1 more source