ISIJ International
Online ISSN : 1347-5460
Print ISSN : 0915-1559
ISSN-L : 0915-1559
Rate of Methane-steam Reforming Reaction on the Surface of Molten BF Slag -for Heat Recovery from Molten Slag by Using a Chemical Reaction-
Eiki KasaiTakaya KitajimaTomohiro AkiyamaJunichiro YagiFumio Saito
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1997 Volume 37 Issue 10 Pages 1031-1036


A new concept for heat recovery from molten slag has been proposed. It involves exchanging energy between sensible heat of slag and chemical energy of gas mixture through methane-steam reforming and its reverse reactions. The validity of this concept was fundamentally verified by obtaining kinetic data on the reforming reaction using molten blast furnace slag samples. This includes essential information such as temperature dependence and effects of composition of reactant gas on the chemical reaction rate. The sulfur containing in slag is also found to play a significant role in the reforming reaction.

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© The Iron and Steel Institute of Japan
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