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Received February 18, 2009
Accepted April 2, 2009
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흡착공정용 온라인 측정시스템의 개발
Development of On-Line Measurement System for Adsorption Process
동아대학교 화학공학과, 604-714 부산시 사하구 하단동 840번지 1산업기술총합연구소, 305-8565 일본 츠쿠바시 히가시동 1-1-1
Department of Chemical Engineering, Dong-A University, 840, Hadan-dong, Saha-gu, Busan 604-714, Korea 1National Institute of Advanced Industrial Science and Technology, 1-1-1 Higashi, Tsukuba 305-8565, Japan
Korean Chemical Engineering Research, June 2009, 47(3), 321-326(6), NONE Epub 29 June 2009
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Abstract
간단한 기체농도 측정장치를 제안하여, 혼합기체를 분리하는 흡착공정에서 성능을 실험적으로 조사하였다. 측정센서는 수정진동자의 전극에 고체의 흡착제를 도포하여 유효성분을 선택적으로 분리하게 하여 농도를 측정하였다. 센서용 흡착제는 마이크로 입자의 카본 크라이오젤(Micro-Particle Carbon(MCC))을 사용하였고, 공기와 i-부탄의 혼합기체를 대상으로 대나무 활성탄을 채운 칼럼에서 분리하는 공정을 사용하였다. 칼럼의 입구와 출구에 측정시스템을 각각 장치하고 i-부탄의 농도를 측정하였다. 입구와 출구의 실제농도를 GC로 측정한 결과와 측정한 수정진동자의 공진주파수를 비교하여 제안한 측정시스템이 유용하게 농도를 측정할 수 있음을 보였다. 실험을 통하여 제안하는 시스템이 비교적 간단한 장치로, 실시간 인라인 측정이 가능함을 입증하여 실제공정에 유용하게 활용할 수 있음을 보였다.
A simple measuring device is proposed, and its performance is examined in an adsorption process separating a gas mixture. The sensor is made of a quartz crystal resonator and solid adsorbent to detect the target component. Micro-particle carbon cryogel(MCC) is utilized as the adsorbent, and the gas mixture of air and i-butane are separated in a column containing bamboo activated carbon. Two devices are placed at the inlet and outlet of the column. The measurements are compared with those of GC outcome to prove the measurements are effective. The experimentally proved system is simple and capable to be implemented in an in-line system with on-line measurement.
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Lee SR, Lee GG, Kim JS, Kang SJL, Sens Actuators B, 123, 331 (2007)
Kim BC, Kim YH, Japanese J. Appl. Phys., 46, 7490 (2007)
Kim JM, Chang SM, Suda Y, Muramatsu H, Sens. Actuators A: Phys., 72, 140 (1999)
Kim YH, Choi KJ, Sens. Actuators B, 87, 196 (2002)
Yamamoto T, Ohmori T, Kim YH, Micropor. Macropor. Mater., 112, 211 (2008)
