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백일현,윤여일,김종기,박정훈 한국공업화학회 2005 응용화학 Vol.9 No.1
A pelletized absorbent was developed in order to separation the CO₂ generated during methane steam reforming reaction. The best adsorbent manufactured using the organic and inorganic binder showed the best plasticity when CaCO₃, feldspar and bentonite are mixed at the rate of 90:5:5% with the hardness of 95%. The CO₂ breakthrough test on the adsorbent using the fixed bed reactor found that the amount of adsorption was very high at the reaction temperature of 750>700>800℃ in the descending order.
백일현,윤여일,김종기,박정훈 한국공업화학회 2005 응용화학 Vol.9 No.1
Based on the results coming from the methane steam reforming and the CO₂ breakthrough experiments, the basic design of the hybrid reaction process was set up. Hybrid reaction test using the device of the lab and bench size revealed high hydrogen and low CO₂ composition compared with the equilibrium composition of the methane steam reforming. In particular, an examination of the average composition through the repeated experiments of the hybrid reactions at the maximum adsorption temperature of the adsorbent of 750℃ found that hydrogen had 12 to 14% higher composition in the hybrid reaction compared with the methane steam reforming whereas the composition of CO₂ was 6-8% lower.