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Low-grade waste heat driven desalination technology


Christ, A and Wang, X and Regenauer-Lieb, K and Chua, HT, Low-grade waste heat driven desalination technology, IJSMDO: International Journal for Simulation and Multidisciplinary Design Optimization, 5, (1) Article A02. ISSN 1779-6288 (2014) [Refereed Article]

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Copyright 2013 EDP

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DOI: doi:10.1051/smdo/2013007


Low-grade heat driven multi-effect distillation (MED) desalination is a very promising environmentally friendly, low emission technology. Many countries, such as Australia, are water short and conventional desalination technology is energy intensive. If a primary fossil fuel source is used, then desalination will significantly contribute to carbon dioxide emission. Low-grade waste heat from process plants and power plants generate minimal additional carbon dioxide. This source of energy is typically abundant at a temperature around 65-90 degrees C, which dovetails with MED technology. In this paper, we report on a new MED technology that couples perfectly with low-grade waste heat to give at least a 25% freshwater yield improvement compared with conventional MED design. Typical applications and their expected improvement will also be reported.

Item Details

Item Type:Refereed Article
Keywords:Distillation, MED, Waste heat, low-grade heat, evaporator
Research Division:Engineering
Research Group:Other engineering
Research Field:Other engineering not elsewhere classified
Objective Division:Expanding Knowledge
Objective Group:Expanding knowledge
Objective Field:Expanding knowledge in engineering
UTAS Author:Wang, X (Professor Xiaolin Wang)
ID Code:81259
Year Published:2014
Deposited By:Engineering
Deposited On:2012-11-27
Last Modified:2015-03-20
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