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Reactivity and Attrition Resistance of Three Oxygen Carrier Particles for Chemical-Looping Combustor  

Ryu, Ho-Jung (Advanced Clean Energy Process Research Center, Korea Institute of Energy Research)
Jin, Gyoung-Tae (Advanced Clean Energy Process Research Center, Korea Institute of Energy Research)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.15, no.3, 2004 , pp. 208-219 More about this Journal
Abstract
To find a suitable oxygen carrier particle for a 50kW chemical-looping combustor, which was designed and installed to demonstrate continuous oxidation and reduction, three oxygen carrier particles(NiO/bentonite, $NiO/NiAl_2O_4$, $CoO_x/CoAl_2O_4$) were prepared. The reactivity and the attrition resistance of particles were measured and investigated by a thermo-gravimetrical analyzer and an attrition test apparatus respectively. From the viewpoints of oxygen transfer capacity, optimum reaction temperature(operating temperature range), reaction rate, carbon deposition rate, and attrition resistance, NiO/bentonite particle showed better performance than the other particles, therefore we selected NiO/bentonite particle as an optimum oxygen carrier particle.
Keywords
Chemical-Looping Combustor; Carbon dioxide; Nitrogen oxides; Power generation; Oxygen Carrier Particles;
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Times Cited By KSCI : 1  (Citation Analysis)
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