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Natural Gas Combustion Characteristics of Mass Produced Oxygen Carrier Particles for Chemical-looping Combustor in a Batch Type Fluidized Bed Reactor  

Ryu, Ho-Jung (Korea Institute of Energy Research)
Kim, Kyung-Su (Korea Institute of Energy Research)
Park, Yeong-Seong (Department of Environmental Engineering, Daejeon Univ.)
Park, Moon-Hee (Department of Informational Statistics, Hoseo Univ.)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.20, no.2, 2009 , pp. 151-160 More about this Journal
Abstract
Natural gas combustion characteristics of mass produced oxygen carrier particles were investigated in a batch type bubbling fluidized bed reactor. Five particles, NiO/bentonite, OCN601-650, OCN702-1100, OCN703-950, OCN703-1100 were used as oxygen carrier particles. Natural gas and air were used as reactants for reduction and oxidation, respectively. During reduction reaction, high fuel conversion and high $CO_2$ selectivity were achieved for most of oxygen carriers. During oxidation, NO emission was very low. These results indicate that inherent $CO_2$ separation and low NOx combustion are feasible for the natural gas fueled chemical-looping combustion system. Among the five oxygen carriers, OCN703-1100 particle was selected as the best candidate for demonstration of long-term operation in large-scale chemical-looping combustor from the viewpoints of fuel conversion, $CO_2$ selectivity, $CH_4$ concentration, and CO concentration.
Keywords
Chemical-looping combustion; Oxygen carrier; $CO_2$; Natural gas;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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