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A desalination system utilizing solar ambient and waste energy

Hawlader, M N A and Amin, Zakaria Mohd (2011) A desalination system utilizing solar ambient and waste energy. In: Qingdao International Conference 2011---on Desalination and Water Reuse, June 20-23, 2011, Qingdao, China. (Unpublished)

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Abstract

Desalination is considered one of the most suitable areas for the utilization of solar energy, as there are many places in the world where abundant supply of solar energy is available and also there is a great demand for fresh water. An integrated solar heat pump desalination system is developed at the National University of Singapore (NUS), which also offers the opportunity of water heating and drying utilizing solar, ambient energy and waste heat from air-con, which is conventionally dumped to the environment causing global warming. Desalination is carried out by making use of MED (Multi-Effect Distillation) system. Within the MED chamber, both flashing and evaporation of saline water take place. The maximum Coefficient of Performance (COP) of the heat pump system was around 5.8. In the integrated system, the maximum fresh water production rate was 9.6 litres/hr with Performance Ration (PR) of 1.2. For only desalination, the system has the potential to produce a maximum of 30 liters/hr of fresh water.

Item Type: Conference or Workshop Item (Full Paper)
Additional Information: 6548/4227
Uncontrolled Keywords: Solar energy, ambient energy, air con waste heat, heat pump, desalination
Subjects: T Technology > TJ Mechanical engineering and machinery > TJ163.26 Energy conservation
Kulliyyahs/Centres/Divisions/Institutes: Kulliyyah of Engineering > Department of Mechanical Engineering
Depositing User: Prof Mohammad Nurul Alam / M N A Hawlader
Date Deposited: 14 Oct 2011 10:47
Last Modified: 17 Nov 2011 15:53
URI: http://irep.iium.edu.my/id/eprint/4227

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