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흡착제를 이용한 매립지가스 내 CO<sub>2</sub> 분리 특성
허려화 ( Ryehwa Heo ),유영돈 ( Youngdon Yoo ),김문현 ( Munhyun Kim ),김형택 ( Hyungtaek Kim ),최익환 ( Ikhwan Choi ) 한국신재생에너지학회 2009 신재생에너지 Vol.5 No.4
The purpose of this study is to investigate selective adsorption of CO<sub>2</sub> from LFG (Landfill gas) by using commercialized NaX-type zeolite adsorbent under the ambient temperature and pressure. The experiment of CO<sub>2</sub> adsorption was carried out by using simulated LFG. The CO<sub>2</sub> adsorption capacity and separation efficiency of NaX-type adsorbent were investigated by analyzing gas flow rate and gas composition at inlet and outlet of the adsorption reactor. The adsorbed CO<sub>2</sub> were desorbed under decompression condition which 0.5 Torr or by air purge. Through the result to use simulated LFG, when the method of VSA was used, 73.2~75.3 mg of CO<sub>2</sub> was adsorbed per 1 g commercial adsorbent, when the method of air purge was used, 78.4~83.2 mg of CO<sub>2</sub> was adsorbed per 1 g of commercial adsorbent.