Numerical study of effect of operating and design parameters for design of steam reforming reactor

Sung Kook Hong, Sang Keun Dong, Jeong Ok Han, Joong Seong Lee and Young Chul Lee

Energy, 2013, vol. 61, issue C, 410-418

Abstract: A numerical study on the design of a steam reforming reactor consisting of several reforming tubes and one burner is conducted with respect to various operating and design parameters such as GHSV (gas hourly space velocity), input heat capacity, catalyst layer length, and number of tubes. The calculation of the reforming reaction rate is coupled with a three-dimensional heat and mass transfer calculation. It is shown that a large temperature gradient exists in the reforming reactor, resulting in significant variation of the gas temperature and reaction rate along the reforming tube. The reduction of the catalyst layer length induces a decrease in H2 (hydrogen) concentration as well as pressure loss. An increased number of tubes leads to better system efficiency owing to the enhanced heat transfer to the reforming tube. Consequently, to improve the system efficiency and reduce the pressure loss, an increase in heat transfer area and decrease in catalyst layer length should be essential design considerations.

Keywords: Steam reforming; Reactor; Numerical study; Gas hourly space velocity; Input heat capacity; Design parameters (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (8)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:61:y:2013:i:c:p:410-418

DOI: 10.1016/j.energy.2013.08.035

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