화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.23, 163-170, March, 2015
DOI10.1016/j.jiec.2014.08.010  Export Citation
Pervaporation separation of butyric acid from aqueous and anaerobic digestion (AD) solutions using PEBA based composite membranes
Santosh K. Choudhari1, 2, Federico Cerrone1, 2, Trevor Woods2, 3, Kieran Joyce4, Vincent O’ Flaherty1, 5, Kevin O’ Connor1, 2, and Ramesh Babu1, 2, †
  • 1Technology Centre for Biorefining and Bioenergy, Ireland
  • 2Center for Research on Adaptive Nanostructures and Nanodevices (CRANN), Trinity College, Dublin 2, Ireland
  • 3School of Physics, Trinity College Dublin, Dublin 2, Ireland
  • 4Centre for Microscopy and Analysis (CMA), Trinity College Dublin, Dublin 2, Ireland
  • 5Microbiology Department, School of Natural Sciences and Environmental Change, National University of Ireland, Galway, Ireland
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Polyether block amides (PEBA) composite membranes were prepared by dispersing different two dimensional (2D) layered nanomaterials such as graphene, graphene oxide and molybdenum disulphide (MoS2) in PEBA matrix. These composite membranes were applied for the pervaporation separation of butyric acid produced by anaerobic digestion (AD) of perennial grass. Among all the tested membranes PEBA?graphene membrane showed the best performance with butyric acid flux og 24.3 g/m2h and separation factor of 21. Further on varying the graphene content in the membranes showed improved separation efficiency with increased thermal and mechanical properties of the membranes.
Keywords:PEBA;Graphene;VFAs;Butyric acid;Pervaporation
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