Investigation of the Reducibility of Supported Oxomolybdate Species for Mapping of Active Centers of Partial Oxidation Reaction: In Situ Mo K-Edge XAS and DFT Study

2019 ◽  
Vol 123 (30) ◽  
pp. 18325-18335 ◽  
Author(s):  
Hao Hu ◽  
Danilo Oliveira de Souza ◽  
Elise Berrier ◽  
Jean-François Paul ◽  
Camille La Fontaine ◽  
...  
Keyword(s):  
Partial Oxidation ◽  
Oxidation Reaction ◽  
Dft Study ◽  
Active Centers ◽  
Partial Oxidation Reaction

Ultrafine Pd Nanoparticles Synthesis and Catalytic Performance in Methane Partial Oxidation

2011 ◽  
Vol 284-286 ◽  
pp. 1905-1908
Author(s):  
Bao Song Fu ◽  
Hu Liu ◽  
Guo Min Xiao
Keyword(s):  
Partial Oxidation ◽  
Palladium Nanoparticles ◽  
Oxidation Reaction ◽  
Pd Nanoparticles ◽  
Catalytic Performance ◽  
Methane Partial Oxidation ◽  
Narrow Size Distribution ◽  
Pd Nanoparticle ◽  
Partial Oxidation Reaction ◽  
Nanoparticles Synthesis

Narrow size distribution Palladium nanoparticles was synthesized by adding Pd precursor into a modified PMHS polymer solution, and then jelled by aluminium. The multi-functional polymer was characterized by NMR; Pd nanoparticle samples were characterized by TEM and catalytic activity was tested in methane partial oxidation reaction.

Photocatalytic Partial Oxidation of 5-hydroxymethyl-2-furfural Under UV and Natural Solar Irradiation in Aqueous Suspension of K Containing C3N4

2020 ◽  
Vol 1 (1) ◽  
pp. 16-29
Author(s):  
Elisa I. García-López ◽  
Giuseppe Marcì ◽  
Marina Ilkaeva ◽  
Filippo Saiano ◽  
Leonardo Palmisano
Keyword(s):  
Partial Oxidation ◽  
Oxidation Reaction ◽  
Carbon Nitride ◽  
Aqueous Suspension ◽  
The Other ◽  
Added Value ◽  
Solar Irradiation ◽  
Oxidative Conversion ◽  
Partial Oxidation Reaction ◽  
Different Types

Background: The influence of the potassium metal cation on the graphitic carbon nitride (g-C3N4) photocatalyst has been studied in the partial oxidation of 5-hydroxymethyl-2-furfural (HMF) to 2,5-furandicarboxaldehyde (FDC). Objective: The aim of this study was to understand if the presence of K in C3N4 could increase the oxidative conversion of HMF to high added value species. Methods: Two sets of photocatalysts were prepared by following two different methodologies. In both series of the materials, the precursor of C3N4 was melamine with different types of the K containing species including KCl and KOH in one case and KNO3 alone in the other case. However, for both series of photocatalysts, materials were prepared with different amounts of potassium. Results: The results obtained by using materials prepared by the two different methodologies indicate that in both cases the presence of K was almost irrelevant at least for the lower amounts of potassium content. On the contrary, its presence was beneficial for the activity versus the photocatalytic partial oxidation reaction of the alcohol for the highest K content. Conclusion: Some of the prepared K containing g-C3N4 materials showed increased photocatalytic activity for the partial oxidation reaction of HMF in water, particularly by using natural solar light as the irradiation source.

Estimation of Mass Transfer Rate of Oxidant to Coal Char Particle Surface with Partial Oxidation Reaction in O2/CO2 System

2012 ◽  
Vol 38 (6) ◽  
pp. 384-390 ◽  
Author(s):  
Hyun-Seok Kim ◽  
Yohsuke Matsushita ◽  
Sohey Nozawa ◽  
Jin Miyawaki ◽  
Seong-Ho Yoon ◽  
...  
Keyword(s):  
Mass Transfer ◽  
Partial Oxidation ◽  
Transfer Rate ◽  
Oxidation Reaction ◽  
Mass Transfer Rate ◽  
Particle Surface ◽  
Coal Char ◽  
Partial Oxidation Reaction ◽  
Char Particle

XANES study of the dynamic states of V-based oxide catalysts under partial oxidation reaction conditions

2019 ◽  
Vol 336 ◽  
pp. 210-215 ◽  
Author(s):  
M.O. Guerrero-Pérez ◽  
R. López-Medina ◽  
E. Rojas-Garcia ◽  
M.A. Bañares
Keyword(s):  
Partial Oxidation ◽  
Oxidation Reaction ◽  
Oxide Catalysts ◽  
Reaction Conditions ◽  
Partial Oxidation Reaction ◽  
Dynamic States

scholarly journals Catalytic Study of the Partial Oxidation Reaction of Methanol to Formaldehyde in the Vapor Phase

2018 ◽  
Vol 13 (3) ◽  
pp. 520 ◽  
Author(s):  
Mohammad Hasan Peyrovi ◽  
Nastaran Parsafard ◽  
Hosein Hasanpour
Keyword(s):  
Partial Oxidation ◽  
Vapor Phase ◽  
Flow Rate ◽  
Oxidation Reaction ◽  
Supported Catalysts ◽  
Weight Percent ◽  
Methanol Conversion ◽  
Metallic Phase ◽  
Precipitation Method ◽  
Partial Oxidation Reaction

In the present work, several parameters affecting on the catalytic behavior were studied in the process of partial oxidation of methanol to formaldehyde, such as: Mo/Fe ratio in unsupported catalysts, weight percent of the metallic phase in the supported catalysts, the effect of different supports, the method of Mo-Fe deposition on the supports, and the stability of the prepared catalysts against coke. These catalysts were characterized by X-ray diffraction (XRD), Fourier Transform Infra Red (FT-IR), Thermogravimetric Analysis (TGA), Scanning Electron Microscopy (SEM), N2 adsorption-desorption, and Atomic Adsorption Spectroscopy (AAS) methods. The best results (the methanol conversion = 97 % and formaldehyde selectivity = 96 %) were obtained for Mo-Fe/g-Al2O3 prepared by co-precipitation method with Mo/Fe = 1.7, 50 wt.% of Fe-Mo phase, 2 mL/h methanol flow rate, and 120 mL/min air flow rate at 350 oC. Copyright © 2018 BCREC Group. All rights reservedReceived: 1st January 2018; Revised: 17th July 2018; Accepted: 24th July 2018How to Cite: Peyrovi, M.H., Parsafard, N., Hasanpour, H. (2018). Catalytic Study of the Partial Oxidation Reaction of Methanol to Formaldehyde in the Vapor Phase. Bulletin of Chemical Reaction Engineering & Catalysis, 13 (3): 520-528 (doi:10.9767/bcrec.13.3.2048.520-528)Permalink/DOI: https://doi.org/10.9767/bcrec.13.3.2048.520-528 

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