Solar energy can be harnessed directly as electricity, or as solar thermal energy, which is either used in heating or cooling systems, or drives turbines to generate electricity. Solar powered desalinationtechnology, energy and future outlook. It has the poten tial to make a significant contribution to providing humans with fresh water using a renewable, free and environmentally friendly. Overview of village scale, renewable energy powered desalination. Water desalination is becoming a costeffective solution to combat water scarcity in various areas of the planet. Solar desalination systems are classifi ed into direct and indirect processes depending on the energy path to fresh water. Solar powered desalination has been the focus of great interest recently worldwide. An introduction to solar technologies, including the principle of operation, is a prerequisite examining the existing and potential role of solar power in desalination. Solar desalination for domestic applicationsmehdi n.
The cost, pretreatment requirements, and energy demand of distillation systems. In this chapter, the use of solar powered thermal desalination will be discussed comprehensively. The md process requires that the feed water should be free of organic. Desalination with free circulation of air, proceedings i99i solar world congress.
Citescore values are based on citation counts in a given year e. The same molten salts can also be utilized as transfer fluids, replacing. An assessment of energy storage options for largescale pvro. Pdf solar powered desalination has been the focus of great interest recently worldwide. The best way to tackle this situation is to use solar energy for desalination to not only cater for the water needs of humanity, but also to offset. Heat transfer equations governing the operation of basin type solar stills are given, and. Largescale sea water desalination processes are discussed, and an. However, desalination is an energyintensive process and most of the worlds plants. Renewable energy powered desalination systems aler. Water desalination technologies utilizing conventional and.
Solar desalination free download as powerpoint presentation. Such systems could potentially serve offgrid arid coastal areas to provide an efficient, lowcost water source. This thesis explores renewable energypowered desalination technologies and. A completely passive solar powered desalination system developed by researchers at mit and in china could provide more than 1. Solar power technologies for desalination duke computer science. With solar irradiation ample in regions that heavily rely on desalination, solar powered desalination provides a sustainable solution to meeting water needs. Evaluation of solar powered desalination processes. Solar powered desalination technology, energy and future. The compatibility of each desalination process with the solar technology is driven by whether the kind of energy needed is thermal or electrical, as well as its availability. Introduction water is an abundant natural resource, as approximately threequarters of the planet is covered by it. Pdf evaluation of solar powered desalination processes.
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