Preparation of mesoporous silica supported cobalt catalysts using supercritical fluids for Fischer-Tropsch synthesis

Taichi Shimizu; Ikuo Ushiki; Masaki Ota; Yoshiyuki Sato; Naoto Koizumi; Hiroshi Inomata

doi:10.1016/j.cherd.2015.01.005

Preparation of mesoporous silica supported cobalt catalysts using supercritical fluids for Fischer-Tropsch synthesis

Taichi Shimizu, Ikuo Ushiki, Masaki Ota, Yoshiyuki Sato, Naoto Koizumi, Hiroshi Inomata

Tohoku University

Research output: Contribution to journal › Article › peer-review

25 Citations (Scopus)

Abstract

Cobalt catalysts supported on mesoporous silica for Fischer-Tropsch synthesis were prepared by supercritical CO₂ at 333K, 20MPa with an addition of 10mol% methanol. Highly dispersed Co particles in mesopores could be observed by TEM for the sample by supercritical CO₂ method, while the aggregates of Co particles on external surface of silica were found for the conventional liquid phase impregnation method. Fischer-Tropsch synthesis examined at 503K, 1.1MPa revealed CO conversion to be 46.7% using the catalyst prepared by supercritical CO₂ method, which was about 1.5 times higher than the catalyst prepared by the conventional method.

Original language	English
Pages (from-to)	64-68
Number of pages	5
Journal	Chemical Engineering Research and Design
Volume	95
DOIs	https://doi.org/10.1016/j.cherd.2015.01.005
Publication status	Published - 2015 Mar 1

Keywords

Carbon dioxide (CO)
Fischer-Tropsch synthesis
Mesoporous silica

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10.1016/j.cherd.2015.01.005

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abstract = "Cobalt catalysts supported on mesoporous silica for Fischer-Tropsch synthesis were prepared by supercritical CO2 at 333K, 20MPa with an addition of 10mol% methanol. Highly dispersed Co particles in mesopores could be observed by TEM for the sample by supercritical CO2 method, while the aggregates of Co particles on external surface of silica were found for the conventional liquid phase impregnation method. Fischer-Tropsch synthesis examined at 503K, 1.1MPa revealed CO conversion to be 46.7% using the catalyst prepared by supercritical CO2 method, which was about 1.5 times higher than the catalyst prepared by the conventional method.",

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T1 - Preparation of mesoporous silica supported cobalt catalysts using supercritical fluids for Fischer-Tropsch synthesis

AU - Shimizu, Taichi

AU - Ushiki, Ikuo

AU - Ota, Masaki

AU - Sato, Yoshiyuki

AU - Koizumi, Naoto

AU - Inomata, Hiroshi

PY - 2015/3/1

Y1 - 2015/3/1

N2 - Cobalt catalysts supported on mesoporous silica for Fischer-Tropsch synthesis were prepared by supercritical CO2 at 333K, 20MPa with an addition of 10mol% methanol. Highly dispersed Co particles in mesopores could be observed by TEM for the sample by supercritical CO2 method, while the aggregates of Co particles on external surface of silica were found for the conventional liquid phase impregnation method. Fischer-Tropsch synthesis examined at 503K, 1.1MPa revealed CO conversion to be 46.7% using the catalyst prepared by supercritical CO2 method, which was about 1.5 times higher than the catalyst prepared by the conventional method.

AB - Cobalt catalysts supported on mesoporous silica for Fischer-Tropsch synthesis were prepared by supercritical CO2 at 333K, 20MPa with an addition of 10mol% methanol. Highly dispersed Co particles in mesopores could be observed by TEM for the sample by supercritical CO2 method, while the aggregates of Co particles on external surface of silica were found for the conventional liquid phase impregnation method. Fischer-Tropsch synthesis examined at 503K, 1.1MPa revealed CO conversion to be 46.7% using the catalyst prepared by supercritical CO2 method, which was about 1.5 times higher than the catalyst prepared by the conventional method.

KW - Carbon dioxide (CO)

KW - Fischer-Tropsch synthesis

KW - Mesoporous silica

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Preparation of mesoporous silica supported cobalt catalysts using supercritical fluids for Fischer-Tropsch synthesis

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Keywords

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