Distillate flux enhancement in the air gap membrane distillation with inserting carbon-fiber spacers

機構典藏 > College of Engineering > Graduate Institute & Department of Water Resources and Environmental Engineering > Journal Article > Item 987654321/112538

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Title:	Distillate flux enhancement in the air gap membrane distillation with inserting carbon-fiber spacers
Authors:	Chii-Dong Ho;Luke Chen;Mei-Chih Huang;Jing-Yuan Lai;Yu-An Chen
Keywords:	Air gap membrane distillation;desalination;hydrodynamic angles;permeate flux;temperature polarization
Date:	2017-10-24
Issue Date:	2018-01-03 02:11:09 (UTC+8)
Publisher:	Taylor & Francis
Abstract:	A new design of air gap membrane distillation (AGMD) with inserting carbon-fiber spacers with various hydrodynamic angles in flow channels for eddy promoting under concurrent-flow operations was developed theoretically and experimentally. Attempts to enlarge eddy flow in aiming to reduce the temperature polarization were achieved with the inserted carbon-fiber spacers that enhance the heat and mass transfer in the AGMD system. A mathematical model considering heat and mass transfer mechanisms has been developed, and the Nusselt number was correlated with the experimental data. The effects of various operation parameters on the distillate flux enhancement were studied as compared to the modules without inserting carbon-fiber spacers (empty channels).
Relation:	Separation Science and Technology 52(18), p.2817-2828
DOI:	10.1080/01496395.2017.1367809
Appears in Collections:	[Graduate Institute & Department of Water Resources and Environmental Engineering] Journal Article

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