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제올라이트 흡착제 상에서 이산화탄소 회수를 위한 PSA 공정 연구 : 공정성능에 대한 세정유량의 영향 Effect of Rinse Rate on Process Performance
전종기,박영권,주국택 한국대기환경학회 2004 한국대기환경학회지 Vol.20 No.1
In order to investigate the performance of carbon dioxide PSA over zeolite adsorbent, the present study showed results of isotherm measurement, cyclic operation of 3-bed apparatus, and the corresponding numerical simulation. The experiment data of bed temperature, purity, recovery were matched well with that of numerical simulation. Purity of both gas and adsorbent phase increased rapidly with rinse rate but the degree of increase was retarded for large rinse rate. The total amount of adsorbed increased only 10% even if rinse rate was enlarged to 4 times. Optimal rinse rate was 7 Nm³/hr in this study. The heating rinse led to augments in recovery and productivity, possibly thanks to ease of desorption resulting from increased volumetric rinse rate and temperature rise in the column.