The water–gas-shift (WGS) reaction was studied on a series of supported Cu catalysts in which the MgAl2O4 (MAO) support modified by depositing ZnO, CeO2, Mn2O3 and CoO using Atomic Layer Deposition (ALD). Addition one ALD cycle gave rise to with nominally 1-wt% Cu. A 1.1-wt% Cu/MAO catalyst prepared exhibited twice dispersion but ten times WGS activity impregnation, implying that is structure s...

An experimental and kinetic modeling study on the Ni-catalyzed conversion of methane under oxidative and reforming conditions is presented. The numerical model is based on a surface reaction mechanism consisting of 52 elementary-step like reactions with 14 surface and six gas-phase species. Reactions for the conversion of methane with oxygen, steam, and CO2 as well as methanation, water-gas shi...

CO2 reduction to CO as raw material for conversion chemicals and gasoline fuels via the reverse water–gas shift (RWGS) reaction is generally acknowledged be a promising strategy that makes utilization process more economical efficient. Cu-based catalysts are low-cost have high catalytic performance but insufficient stability due hardening at temperatures. In this work, series of supported by Mo...

Methanol synthesis from catalytic recycling of CO2 is one viable route to produce fuel and a stock chemical greenhouse gas. Herein, hydrogenation CH3OH investigated with density functional theory calculations combined mean-field microkinetic modeling. The model explores the direct for (HCOOH route) competing reverse water-gas shift (RWGS) reaction. predicted temperature dependence turnover freq...

An Electrochemical Model for Syngas Production by Coelectrolysis of H2O and CO2 Meng Ni* Building Energy Research Group, Department of Building and Real Estate The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China Abstract Co-electrolysis of CO2 and H2O in a solid oxide electrolyzer cell (SOEC) offers a promising way for syngas production. In this study, an electrochemical m...

The detailed mechanisms of the hydrolysis of carbonyl sulfide (OCS) by nucleophilic water and hydroxide ion in both the gas phase and bulk water solvent have been investigated using density functional theory. Various reaction channels on the potential surface have been identified. The thermodynamic results demonstrate that the hydrolysis of OCS by nucleophilic water and hydroxide ion should pro...

High temperature biosyngas cleaning is more efficient when the end user operates at elevated temperature, as in biomass gasifier solid oxide fuel cell systems. However, there not much experience with this technology and low gas usually adopted. This paper advances current knowledge by presenting results from investigation of side reactions catalysed commercially available sorbents involving mai...

In this research effect of synthesis method of magnesium aluminate as support of Ni catalysts at the reverse water gas shift (RWGS) reaction was evaluated. The RWGS reaction is applied in Carbon Dioxide Hydrogenation to Form Methanol via a Reverse Water-Gas Shift Reaction (CAMERE) process for the transformation of CO2 into methanol. The MgAl2O4 supports were prepared by sol-gel (M1), surfactant...