Korean Chemical Engineering Research

  • 제52권6호
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  • Pages.789-795
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  • 2014
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  • 0304-128X(pISSN)
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  • 2233-9558(eISSN)
한국화학공학회 (The Korean Institute of Chemical Engineers)
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W/O 에멀젼의 주요 구성 성분들이 모사 헤미셀룰로오스 가수분해액에 있는 초산의 제거에 미치는 영향

Effects of Main Constituents of W/O Emulsion on Removal of Acetic Acid in a Simulated Hemicellulosic Hydrolysate

  • 임성진 (군산대학교 나노화학공학과) ;
  • 이상철 (군산대학교 나노화학공학과)
  • Lim, Sung Jin (Department of Chemical Engineering, Kunsan National University) ;
  • Lee, Sang Cheol (Department of Chemical Engineering, Kunsan National University)
  • 투고 : 2014.07.27
  • 심사 : 2014.09.22
  • 발행 : 2014.12.01
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초록

초산은 묽은 산에 의해 처리되어 얻어진 헤미셀룰로오스 가수분해액 중 가장 양이 많을 뿐만 아니라 중대한 에탄올 발효 저해물질이다. 그 가수분해액으로부터 초산을 선택적으로 제거하는데 최적인 분리시스템을 찾기 위하여 모사 헤미셀룰로오스 가수분해액으로 자일로스, 초산과 황산의 혼합물이 선택되었다. 이러한 목적을 이루기 위해 에멀젼형 액막법이 모사 헤미셀룰로오스 가수분해액으로부터 초산을 제거하는데 적용되었다. W/O 에멀젼의 주요 구성 성분들, 즉 아민계 추출제 종류, 계면활성제 조성, 첨가제 종류와 회수제의 종류 및 농도가 모사 헤미셀룰로오스 가수분해액에 있는 초산, 자일로스와 황산의 추출에 미치는 영향이 조사되었다. 특별한 실험 조건에서, 초산의 추출율은 95% 이상이었고, 자일로스의 손실은 미미하였는데, 이것은 현 에멀젼형 액막법이 경제성이 높은 공정이 될 수 있다는 것을 의미한다.

Acetic acid is the most abundant and serious ethanol fermentation inhibitor in dilute-acid hemicellulosic hydrolysates. A mixture of xylose, acetic acid and sulfuric acid was chosen as a simulated hemicellulosic hydrolysate so as to find an optimal separation system to selectively remove acetic acid from the hydrolysates. In order to attain the purpose, emulsion liquid membrane was applied to removal of acetic acid from the simulated hemicellulosic hydrolysate. The effects of main constituents of water-in-oil (W/O) emulsion, such as amine extractant type, surfactant composition, additive type, and type and concentration of stripping agent, on extraction of acetic acid, xylose, and sulfuric acid in the simulated hemicellulosic hydrolysate were investigated. Under specific experimental conditions, degree of extraction of acetic acid was higher than 95% while loss of xylose was insignificant, which means that the current emulsion liquid membrane can be an economically feasible process.

키워드

참고문헌

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피인용 문헌

  1. Application of Emulsion Liquid Membrane to Removal of Fermentation Inhibitors from Simulated Hemicellulosic Hydrolysates vol.53, pp.4, 2015, https://doi.org/10.9713/kcer.2015.53.4.457
  2. 유기인산계 추출제를 이용한 에멀젼형 액막법에 의해 푸란유도체를 함유하는 모사 바이오매스 가수분해액으로부터 초산의 분리 vol.56, pp.5, 2014, https://doi.org/10.9713/kcer.2018.56.5.687