화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Clean Technology, Vol.14, No.4, 281-286, December, 2008
Export Citation
Polyacrylamide 비뉴튼액체에서의 이산화탄소의 화학흡수
Chemical Absorption of Carbon Dioxide into Non-Newtonian Polyacrylamide Solution
황병진, 박상욱†
  • 부산대학교 화학공학과, 609-735 부산시 금정구 장전동 산 10
Byung-Jin Hwang, and Sang-Wook Park†
  • Division of Chemical Engineering, Pusan National University, San 30 Jangjun-dong, Gumjung-gu, Busan 609-735, Korea
E-mail:
초록
Polyacrylamide (PAA) 수용액의 유변학적 특성이 CO2의 흡수속도에 미치는 영향을 고찰하기 위해 25℃, 1기압에서 평판조의 흡수기(교반조의 임펠러 크기 0.05 m, 교반속도 50 rpm)를 사용하여 PAA 수용액에 CO2의 흡수실험을 행하였다. 제시한 Deborah수와 CO2의 물질전달계수와의 상관관계식으로부터 물질전달계수를 구하여 triethanolamine을 첨가한 PAA수용액에서 CO2의 화학흡수속도의 산출에 사용하였다. PAA수용액에서 CO2의 흡수속도는 동일점도의 기준에서 뉴튼액체에서의 값보다 감소하였다.
Absorption rate of carbon dioxide was measured in the aqueous polyacrylamide (PAA) solution containing triethanolamine (TEA) of 0~2.0 kg mol/m3 in a flat-stirred vessel with an impeller of 0.05 m and agitation speed of 50 rpm at 25℃ and 101.3 kPa. The chemical absorption rate of CO2 was estimated by mass transfer mechanism based on the film theory using the physicochemical properties containing the liquid-side mass transfer coefficient of CO2 and the kinetics of reaction between CO2 and TEA to compare with the measured rate. The aqueous PAA solution acted as a reducing agent by viscoelastic property of non-Newtonian liquid based on the same viscosity of the solution.
Keywords:흡수;이산화탄소;폴리아크릴아미드;점탄성액체매;Absorption;Carbon dioxide;Polyacrylamide;Viscoelastic liquid
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