Heterogeneous catalysis

R Schlögl - Angewandte Chemie International Edition, 2015 - Wiley Online Library
A heterogeneous catalyst is a functional material that continually creates active sites with its
reactants under reaction conditions. These sites change the rates of chemical reactions of …

Surface characterization of supported and nonsupported hydrogenation catalysts

JJF Scholten, AP Pijpers, AML Hustings - Catalysis Reviews, 1985 - Taylor & Francis
In this review we report on some methods for characterizing the metallic component in
heterogeneous hydrogenation catalysts, and metals like nickel, palladium, platinum …

AgPd and CuPd catalysts for selective hydrogenation of acetylene

MR Ball, KR Rivera-Dones, EB Gilcher… - ACS …, 2020 - ACS Publications
The selective hydrogenation of acetylene has been studied over AgPd and CuPd catalysts.
Controlled surface reactions were used to synthesize these bimetallic nanoparticles on both …

Influence of Zr on the performance of Cu/Zn/Al/Zr catalysts via hydrotalcite-like precursors for CO2 hydrogenation to methanol

P Gao, F Li, H Zhan, N Zhao, F Xiao, W Wei, L Zhong… - Journal of catalysis, 2013 - Elsevier
A series of Cu/Zn/Al/Zr hydrotalcite-like precursors with Zr4+:(Al3++ Zr4+) from 0 to 0.7 were
synthesized by a co-precipitation method. X-ray diffraction and thermogravimetric …

Design of Interfacial Sites between Cu and Amorphous ZrO2 Dedicated to CO2-to-Methanol Hydrogenation

S Tada, S Kayamori, T Honma, H Kamei… - ACS …, 2018 - ACS Publications
We examined the formation mechanism of active sites on Cu/ZrO2 specific toward CO2-to-
methanol hydrogenation. The active sites on Cu/a-ZrO2 (a-: amorphous) were more suitable …

Synergy between Ceria Oxygen Vacancies and Cu Nanoparticles Facilitates the Catalytic Conversion of CO2 to CO under Mild Conditions

SC Yang, SH Pang, TP Sulmonetti, WN Su, JF Lee… - ACS …, 2018 - ACS Publications
The performance of supported metal catalysts can depend on many factors, including metal
particle size and dispersion and metal–support interactions, and differentiation of these …

Synthesis, characterization and activity pattern of Cu–ZnO/ZrO2 catalysts in the hydrogenation of carbon dioxide to methanol

F Arena, K Barbera, G Italiano, G Bonura, L Spadaro… - Journal of …, 2007 - Elsevier
A novel synthesis route based on reverse co-precipitation under ultrasound irradiation has
led to Cu–ZnO/ZrO2 catalysts (Znat/Cuat, 0–3; ZrO2, 42–44 wt%) with a remarkable …

Cu/SiO2 catalysts prepared by the ammonia-evaporation method: Texture, structure, and catalytic performance in hydrogenation of dimethyl oxalate to ethylene glycol

LF Chen, PJ Guo, MH Qiao, SR Yan, HX Li, W Shen… - Journal of …, 2008 - Elsevier
Cu/SiO2 catalysts prepared by the ammonia-evaporation (AE) method have been
systematically characterized focusing on the effect of the AE temperature during catalyst …

The activity and state of the copper surface in methanol synthesis catalysts

GC Chinchen, KC Waugh, DA Whan - Applied Catalysis, 1986 - Elsevier
The measurement of copper metal surface areas by monitoring nitrous oxide chemisorption
is a well established technique. A frontal chromatographic version of this technique has …

Methanol reforming for fuel-cell applications: development of zirconia-containing Cu–Zn–Al catalysts

JP Breen, JRH Ross - Catalysis Today, 1999 - Elsevier
The steam reforming of methanol to form mixtures of carbon dioxide and hydrogen, together
with traces of carbon monoxide, is considered to be a potential source of hydrogen as the …