Natural gas steam reforming for hydrogen production over metal monolith catalyst with efficient heat-transfer

Hyun Seog Roh; Deuk Ki Lee; Kee Young Koo; Un Ho Jung; Wang Lai Yoon

doi:10.1016/j.ijhydene.2009.12.051

Natural gas steam reforming for hydrogen production over metal monolith catalyst with efficient heat-transfer

Hyun Seog Roh, Deuk Ki Lee, Kee Young Koo, Un Ho Jung, Wang Lai Yoon

Division of Environmental Engineering

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

66 Citations (Scopus)

Abstract

Heat transfer performance of the natural gas (NG) steam reforming in a reactor bed with metal monolith catalyst has been evaluated in comparison with that in the conventional packed bed with pellet catalysts. 2%Ru/Al₂O₃ catalyst with high intrinsic activity has been wash-coated on metal monolith substrates or used as it was for the packed bed application. The prepared metal monolith catalyst has been applied for NG steam reforming to increase heat-transfer efficiency. Under the same degree of temperature gradient from the furnace wall to the catalyst bed, the heat flux obtained in the monolithic bed reactor was about twice higher than that in the packed bed reactor. Maximum heat transfer coefficient achieved in this study for the former was 0.65 kW/m² K, while that for the latter was 0.3 kW/m² K. This is mainly due to enhanced heat-transfer via metal monolith catalyst.

Original language	English
Pages (from-to)	1613-1619
Number of pages	7
Journal	International Journal of Hydrogen Energy
Volume	35
Issue number	4
DOIs	https://doi.org/10.1016/j.ijhydene.2009.12.051
Publication status	Published - 2010 Feb

Bibliographical note

Funding Information:
This work was supported by New & Renewable Energy R&D program (2008-N-HY08-P-01) under the Ministry of Knowledge Economy, Republic of Korea.

All Science Journal Classification (ASJC) codes

Renewable Energy, Sustainability and the Environment
Fuel Technology
Condensed Matter Physics
Energy Engineering and Power Technology

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title = "Natural gas steam reforming for hydrogen production over metal monolith catalyst with efficient heat-transfer",

abstract = "Heat transfer performance of the natural gas (NG) steam reforming in a reactor bed with metal monolith catalyst has been evaluated in comparison with that in the conventional packed bed with pellet catalysts. 2%Ru/Al2O3 catalyst with high intrinsic activity has been wash-coated on metal monolith substrates or used as it was for the packed bed application. The prepared metal monolith catalyst has been applied for NG steam reforming to increase heat-transfer efficiency. Under the same degree of temperature gradient from the furnace wall to the catalyst bed, the heat flux obtained in the monolithic bed reactor was about twice higher than that in the packed bed reactor. Maximum heat transfer coefficient achieved in this study for the former was 0.65 kW/m2 K, while that for the latter was 0.3 kW/m2 K. This is mainly due to enhanced heat-transfer via metal monolith catalyst.",

author = "Roh, {Hyun Seog} and Lee, {Deuk Ki} and Koo, {Kee Young} and Jung, {Un Ho} and Yoon, {Wang Lai}",

note = "Funding Information: This work was supported by New & Renewable Energy R&D program (2008-N-HY08-P-01) under the Ministry of Knowledge Economy, Republic of Korea.",

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AU - Roh, Hyun Seog

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AU - Koo, Kee Young

AU - Jung, Un Ho

AU - Yoon, Wang Lai

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AB - Heat transfer performance of the natural gas (NG) steam reforming in a reactor bed with metal monolith catalyst has been evaluated in comparison with that in the conventional packed bed with pellet catalysts. 2%Ru/Al2O3 catalyst with high intrinsic activity has been wash-coated on metal monolith substrates or used as it was for the packed bed application. The prepared metal monolith catalyst has been applied for NG steam reforming to increase heat-transfer efficiency. Under the same degree of temperature gradient from the furnace wall to the catalyst bed, the heat flux obtained in the monolithic bed reactor was about twice higher than that in the packed bed reactor. Maximum heat transfer coefficient achieved in this study for the former was 0.65 kW/m2 K, while that for the latter was 0.3 kW/m2 K. This is mainly due to enhanced heat-transfer via metal monolith catalyst.

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