Desalination and water recycling by air gap membrane distillation

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Meindersma, G.W. and Guijt, C.M. and Haan, A.B. de (2006) Desalination and water recycling by air gap membrane distillation. Desalination, 187 (1-3). pp. 291-301. ISSN 0011-9164

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Abstract:Membrane distillation (MD) is an emerging technology for desalination. Membrane distillation differs from other membrane technologies in that the driving force for desalination is the difference in vapour pressure of water across the membrane, rather than total pressure. The membranes for MD are hydrophobic, which allows water vapour (but not liquid water) to pass. The vapour pressure gradient is created by heating the source water, thereby elevating its vapour pressure. The major energy requirement is for low-grade thermal energy. It is expected that the total costs for drinking water with membrane distillation will be lower than $0.50/m3, even as low as $0.26/m3, depending on the source of the thermal energy required for the evaporation of water through the membrane.
Item Type:Article
Additional information:Presented at the International Conference on Integrated Concepts on Water Recycling, Wollongong, NSW Australia, 14–17 February 2005
Copyright:© 2006 Elsevier
Faculty:
Science and Technology (TNW)
Research Group:
Link to this item:http://purl.utwente.nl/publications/78466
Official URL:http://dx.doi.org/10.1016/j.desal.2005.04.088
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Metis ID: 235415