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Showing papers in "Catalysis Today in 2021"


Journal ArticleDOI
TL;DR: In this paper, the authors provide a critical review of the state of the art in low-temperature CO2 methanation, including reaction thermodynamics and kinetics, catalyst materials including supports and promoters, and suitable reactor technologies.

198 citations


Journal ArticleDOI
TL;DR: In this paper, a review of the efforts made by some researchers in the field of metal-organic framework (MOFs) and derived materials and their application in other disciplines is presented.

104 citations


Journal ArticleDOI
TL;DR: In this paper, the effect of Cr doping on the CeO2 nanostructure was investigated to evaluate the catalytic performances of the Cr doped CeO 2 nanocomposites with Methylene Blue (MB) used as model contaminant.

83 citations


Journal ArticleDOI
TL;DR: ZnO-ZIF-8 300 °C nanocomposite is synthesized by combining of ZnO with Zif-8 via facile route as mentioned in this paper.

81 citations


Journal ArticleDOI
TL;DR: In this paper, a detailed discussion on the mechanism of DRM in perovskite derived catalysts is presented, which includes a detailed analysis on the physicochemical and catalytic behavior of these catalysts.

80 citations


Journal ArticleDOI
TL;DR: This immobilization method was very robust (producing almost identical functional biocatalysts independently from the immobilization conditions) using CRL or CALB, while the immobilized conditions must be carefully controlled using RML to have reproducible results.

77 citations


Journal ArticleDOI
TL;DR: In this paper, the different opportunities offered by Raman spectroscopy for advanced characterization of ceria-based catalysts are reviewed: spectral modifications induced by nanocrystallinity, defects, doping and reduction, identification of supported molecular species, isolated atoms and nanoclusters, characterization of surface modes, hydroxyl groups, reaction intermediates such as peroxo and superoxo species.

75 citations


Journal ArticleDOI
TL;DR: A series of Pt-Ni/CeO2 catalysts with different Pt:Ni atomic ratios were synthetized through incipient wetness impregnation over CeO2 prepared by precipitation.

71 citations


Journal ArticleDOI
TL;DR: In this paper, a high-dispersal Rh/In2O3 catalyst with high dispersion was used for selective hydrogenation of CO2 to methanol, achieving a CO2 conversion rate of 17.1 % with methanoline selectivity of 56.1% and a methanolic space time yield of up to 0.5448 gMeOH h−1 gcat−1.

68 citations


Journal ArticleDOI
TL;DR: This review intends to present some of the latest studies on the lipase A from Candida antarctica (CALA), which is among the most stable ones and has some capability to attack the sn-2 position of triglycerides.

67 citations


Journal ArticleDOI
TL;DR: In this paper, the authors focus on the theory and practice of designing metal oxide catalysts for selective catalytic reduction with ammonia (NH3-SCR) in coal-fired flue gas and diesel vehicle exhaust on a large scale.

Journal ArticleDOI
TL;DR: In this paper, the authors improved the photoelectrochemical (PEC) properties of BVO photoanodes by optimizing the different atomic percentage of molybdenum (Mo).

Journal ArticleDOI
TL;DR: In this paper, the passive NOx adsorber (PNA) is used to abate cold-start NOx emissions from lean combustion vehicles and two prospective mechanistic schemes are proposed that are consistent with the uptake/release and DRIFTS data.

Journal ArticleDOI
TL;DR: In this paper, the modification effect of samarium dopant on both physicochemical and catalytic properties of 3-dimensional macroporous composite oxides was systematically investigated by means of characterization techniques and experimental approaches.

Journal ArticleDOI
TL;DR: In this paper, a series of Ni catalysts supported on CeO2 with different morphologies including nanopolyhedrons (PH), nanorods (NR), nanoparticles (NP) and nanocubes (NC) was prepared via hydrothermal / wet impregnation method.

Journal ArticleDOI
TL;DR: In this article, a photocatalytic Ag-loaded (TiO20.95-(ZnO)0.05) thin films were synthesized by the sol-gel dip-coating method, with the Ag content varying in the range 1-4

Journal ArticleDOI
TL;DR: The pristine and Mg-substituted LaAlO3 perovskites were synthesized by the citrate sol-gel method and employed as supports for Ni catalysts in CO2 reforming of methane as discussed by the authors.

Journal ArticleDOI
TL;DR: In this article, the relationship between the Fe phase, catalytic performance and reaction pathways was investigated for direct CO2 hydrogenation over Fe5C2 and Fe3O4-Fe5C 2 catalysts.

Journal ArticleDOI
TL;DR: In this article, an active learning procedure accelerated by enhanced sampling was used to harvest such structures and to build a neural-network potential to study the urea decomposition process in water, which allowed the free energy profiles of this important reaction in a wide range of temperatures, to discover several novel metastable states, and improved the accuracy of the kinetic rates calculations.

Journal ArticleDOI
TL;DR: In this paper, the hydrogen evolution reaction (HER) performance of Nb2CTx (T represents different functional groups) supported Pd nanocatalysts is studied via experiment and theoretical calculation.

Journal ArticleDOI
TL;DR: In this paper, the main dynamic effects induced by the reaction medium on nanocatalysts (including nanoalloy catalysts) and single-atom catalysts are reviewed.

Journal ArticleDOI
TL;DR: In this paper, the influence of modification of zeolite ZSM-5 with Ga and Mo on the reaction mechanism underlying the activation and aromatization of ethane was investigated.

Journal ArticleDOI
TL;DR: In this paper, the PVP capping agent plays an important role in controlling morphological structure, specific surface area and photoactivity of bismuth oxybromide (BiOBr) photocatalyst.

Journal ArticleDOI
TL;DR: In this paper, the role of calcination temperatures (600, 700, 800, 900 and 1000) of ZrO2 support on the physicochemical properties of 20In/Zr-X with X, as well as their catalytic activity in CO2 hydrogenation to methanol at high reaction temperatures (320-400

Journal ArticleDOI
TL;DR: In this paper, the authors showed that partial oxidation of metal-nitrogen-carbon catalysts (Me-N-C, Me-= iron, cobalt and manganese) can modify their ORR mechanisms from a four- to a two-electron pathway.

Journal ArticleDOI
TL;DR: In this article, a high-dispersion catalyst precursor CoFe2O4 with Na (Na-CoFe 2O4) was proposed for CO2 hydrogenation.

Journal ArticleDOI
TL;DR: In this article, rare-earth-based complexes were synthesized and applied for the first time as homogeneous Lewis acids for the cycloaddition of CO2 to epoxides in the presence of quaternary ammonium salts.

Journal ArticleDOI
TL;DR: In this paper, the preparation of V2O5-MoO3/TiO2expanded graphite (EG) by different methods was investigated to enhance the H2O resistance in SCR reaction.

Journal ArticleDOI
TL;DR: A survey of nanostructured TiO2 coatings obtained by means of different deposition techniques can be found in this article, where the authors discuss their characteristics and advantages, in the light of the experimental conditions and the supporting substrates.

Journal ArticleDOI
TL;DR: In this paper, a non-equilibrium atmospheric pressure spark discharge (DBD) reaction was studied in a nonequilibrium DBD reactor, which achieves higher yields than DBD reactors.