화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Journal of Chemical Engineering, Vol.33, No.4, 1362-1368, April, 2016
DOI10.1007/s11814-015-0228-2  Export Citation
Pilot-scale study on dehydration of synthetic and lignocellulosic ethanol by NaA membrane
Hwa-Jou Wei1, 2, †, Tsung-Yen Tsai1, 3, and Yu-Hsiang Weng4, †
  • 1Institute of Nuclear Energy Research, Atomic Energy Council, Executive Yuan, 1000 Wenhua Rd., Jiaan Village, Longtan Township, Taoyuan County 325, Taiwan, ROC
  • 2Department of Chemical and Materials Engineering, National Central University, Taoyuan 320, Taiwan, ROC
  • 3, Taiwan
  • 4Green Technology Research Institute, CPC Corporation, Taiwan, 2 Tsuo-Nan Rd., Kaohsiung 811, Taiwan, ROC
E-mail:,
A pilot scale vapor permeation unit was assembled to study the dehydration of bioethanols with NaA membrane. The operational parameters, such as feed concentration, temperature, and downstream pressure in permeate, were varied. Long-term operation of an ethanol dehydration unit was demonstrated. Additionally, the lingocellulosic ethanol distillate was dehydrated to fuel grade ethanol with less than 1% water content. The changes in impurities, such as methanol, ethylacetate, 2-propanol, 1-propanol, 1-butanol, and Isoamyl alcohol, were dependent on the volatility of the compounds. The ethanol concentrations in the permeate stream were lower than 1%, indicating high separation performance of the membrane system.
Keywords:Bioethanol;Vapor Permeation;Dehydration;Impurity;Inorganic Membrane
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