Solar Heat And Water For Desalination

Conditions of global water sources lead towards innovation in alternative technologies to increase the amount of potable water available on earth

. For certain water poor places on earth, desalination can be an effective technique to provide drinkable clean water. The process for desalination can be achieved through a variety of means, though they are generally energy intensive. Solar heat for desalination can provide some of the energy required in these processes.

Desalination through solar heat and solar water can serve to provide multiple resources, both salt and water. Human beings require both of these on a daily basis for survival. The desalination cost itself is governed by many factors; location, energy, desalination technique, feed water and concentrate disposal. Solar water can be used to various degrees in the process, depending on the vectors mentioned above. In certain locations, the proximity to salt-water and copious amount of solar radiation makes it a useful choice. The integration between the desalination and solar heat collector is a crucial aspect to a successful plan; this will vary depending on the technique.

Distillation and evaporation is an ancient technique for desalination; solar heat can fulfill this energy need. The exact mechanics of the system differ, but as a basic mechanism, salt-water is heated and condensed through a cooled element, and then collected in a reservoir. Solar heat for desalination in this case could provide both the heated element for evaporation and, through an absorption chiller, the cooling aspect to the system.

Solar water for desalination is open for innovative use of technology and exploitation of thermodynamic principles. Solar heating Pressure based technologies such as reverse osmosis can be linked to solar heat for desalination if the solar heat is powering the pump or used to induce a pressure differential between the liquid chambers.

The limits of these possibilities rely on the ingenuity of the solar water desalination system designer and the capabilities of the solar heat collector. For efficient desalination plants, consider the use of concentrating solar collectors. A concentrating collector is the best way to minimize footprint for energy production. Solar hot water The Solar Beam Concentrator is a parabolic dish with the capabilities of approximately 15 flat panel collectors. The dish follows the sun automatically, calculating its position every day of the year through a dedicated computer and software. The system is powerful and capable, trusted around the world. Solartron Energys dish has been approved with SRCC certification in the USA and CSA certification in Canada. As well, the solar heat system holds another certification in Europe, the European Solar Key mark standards. On another side of the globe, in Australia and New Zealand., the Solar Beam holds Global Mark certification.

The Solar Beam provides water at a temperature of 93 degrees Celsius (200F). This can significantly reduce the energy load from other sources with evaporation and distillation for desalination. Solar water is a viable option through the Solar Beam; any system requiring heat as an input can make use of the dynamic and innovative parabolic solar dish, including

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