Preparation of SiC-based Catalyst Carriers with a bimodal pore structure in a Supercritical Carbon Dioxide/Ethanol Cosolvent System

Title
Preparation of SiC-based Catalyst Carriers with a bimodal pore structure in a Supercritical Carbon Dioxide/Ethanol Cosolvent System
Authors
유종열문동주김상우
Issue Date
2011-10
Publisher
ICNST2011
Abstract
Advanced techniques have recently been proposed to produce heterogenous nanomaterials with high surface area using supercritical fluid technologies. These processes, taking advantage of the specific properties of supercritical fluids, are generally flexible, more simplified and with a reduced environmental impact [1]. The supercritical carbon dioxide/ethanol mixture fluids can provide an excellent reaction environment for crystallization of metal oxide nanoparticles for a heterogeneous catalyst materials based on porous silicon carbide (SiC) composites with high surface area. In this work, we report a new solvothermal route to the SiC-based carrier materials with silicon carbide (SiC) core – nickel shell structure under supercritical fluid condition. The characterization and analysis of the catalyst materials with porous hetereostructure were performed by BET, XRD, and SEM techniques for a high surface area and thermal conductive catalyst.
URI
http://pubs.kist.re.kr/handle/201004/40789
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KIST Publication > Conference Paper
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