Desalination and Water Recycling by Air Gap Membrane Distillation
| Autor: | G.W. Meindersma, C.M. Guijt, A.B. de Haan |
|---|---|
| Přispěvatelé: | Faculty of Science and Technology, Membrane Science & Technology |
| Jazyk: | angličtina |
| Rok vydání: | 2006 |
| Předmět: |
Water recycling
Air gap membrane distillation Vacuum distillation Chemistry Desalination Mechanical Engineering General Chemical Engineering Low-temperature thermal desalination Vapour pressure of water Environmental engineering General Chemistry Membrane distillation Membrane technology Multi-stage flash distillation Water costs Multiple-effect distillation General Materials Science Water Science and Technology |
| Zdroj: | Desalination, 187(1-3), 291-301. Elsevier |
| ISSN: | 0011-9164 |
| DOI: | 10.1016/j.desal.2005.04.088 |
| Popis: | 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. |
| Databáze: | OpenAIRE |
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