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Experimental evaluation of a modified air-gap membrane distillation prototype
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Heat and Power Technology.
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Heat and Power Technology.ORCID iD: 0000-0002-2992-6814
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Heat and Power Technology.ORCID iD: 0000-0002-3661-7016
2013 (English)In: Desalination and Water Treatment, ISSN 1944-3994, E-ISSN 1944-3986, Vol. 51, no 25-27, 4998-5004 p.Article in journal (Refereed) Published
Abstract [en]

Modifications were implemented on a semi-commercial air-gap membrane distillation prototype to assess experimentally any improvement in its performance. The main changes were in the air-gap domain with focus on reducing the conductive heat transfer losses by reducing the physical support that separates the membrane from the condensation surface. Moreover, several feed channel spacers were tested as well and assessed based on their effect in increasing the mass transfer and imposed pressure drop. Results show that the modifications increased slightly the distillate mass flow rate by 9-11% and reduced the conductive heat losses by 20-24%. Spacer effect was found to be mainly in imposed pressure drop within the tested types.

Place, publisher, year, edition, pages
2013. Vol. 51, no 25-27, 4998-5004 p.
Keyword [en]
Membrane distillation, Conductive heat losses, Experimental work
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-129129DOI: 10.1080/19443994.2013.808787ISI: 000322157700028Scopus ID: 2-s2.0-84880926400OAI: oai:DiVA.org:kth-129129DiVA: diva2:652275
Note

QC 20130930

Available from: 2013-09-30 Created: 2013-09-19 Last updated: 2017-12-06Bibliographically approved

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Fakhrai, RezaMartin, andrew

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