Journal
CANADIAN JOURNAL OF CHEMICAL ENGINEERING
Volume 86, Issue 4, Pages 747-755Publisher
WILEY
DOI: 10.1002/cjce.20082
Keywords
steam reforming; direct reduction; heat transfer; two-dimensional model; simulation
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A rigorous two-dimensional model is developed for simulating the operation of a less-investigated type steam reformer having a considerably lower operating Reynolds number, higher tube diameter, and non-availability of extra steam in the feed compared with conventional steam reformers. Simulation results show that reasonable predictions can only be achieved when certain correlations for wall to fluid heat transfer equations are applied. In all cases, strong radial temperature gradients inside the reformer tubes have been found. Furthermore, the results show how a certain catalyst loading profile will affect the operation of the reformer.
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