Applied Energy 211 (2018) 715–734 Contents lists available at ScienceDirect Applied Energy journal homepage: www.elsevier.com/locate/apenergy Energy eﬃciency of membrane distillation up to high salinity: Evaluating critical system size and optimal membrane thickness Jaichander Swaminathan, Hyung Won Chung, David M. Warsinger, John H. Lienhard V Rohsenow Kendall Heat Transfer Laboratory, Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139-4307, USA HIGHLIGHTS GR APHICAL A BSTRACT Heat transfer resistances of HX and gap ﬁx relative performance of DCMD and PGMD. DCMD/CGMD with a thick membrane is resistant to high salinity, similar to AGMD. Method to simultaneously determine cost-optimal membrane thickness and area. Dimensionless framework gives gen- eralizable results across all MD de- signs. Derived maximum allowable mem- brane area per feed ﬂow rate for high salinity MD. ARTICLE I NFO ABSTRACT Keywords: This study presents a comprehensive analytical framework to design eﬃcient single-stage membrane distillation Membrane distillation (MD) systems for the desalination of feed streams up to high salinity. MD performance is quantiﬁed in terms of High salinity energy eﬃciency (represented as a gained output ratio, or GOR) and vapor ﬂux, both of which together aﬀect the Energy eﬃciency speciﬁc cost of pure water production. Irrespective of the feed
Applied Energy – Elsevier
Published: Feb 1, 2018
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