Energy recovery in Persian Gulf and Gulf Gorgan an seawater reverse osmosis to provide drinking water in urban

Subject Areas : Water and Environment

Kolsoom naderi ¹

1 - MSC in Environmental Engineering, Islamic Azad University, Science and Research Branch,Tehran, Iran

Received: 2011-05-28 Accepted : 2012-01-06 Published : 2012-03-20

Keywords: reverse osmosis, Energy consumption, energy recovery, turbine Pelton, pressure exchanger,

Abstract :

Technology seawater reverse osmosis (SWRO) desalination plants water desalination in recent decades due to the use of energy recovery devices (ERDs), modern technology in manufacturing membrane of growth enjoys. Several systems for energy recovery in SWRO happen that each has its own advantages and disadvantages are.                                                     This article reviews and evaluates the use of devices, energy recovery in the basin, an important catchment area in the north (Gulf of Gorgan) and south (Persian Gulf) in order to provide drinking water in urban areas of the law of the subsidies in the energy sector in 90 years is.                   For this purpose, each of the devices recovered as described, then the software Rosa parameters necessary to produce 20,000 cubic meters per day set, and energy in particular (SEC) in four-wheel Pelton, Turbocharger, pressure exchanger / work to help the software calculated based on energy prices and 90 years of annual energy costs (total power) in both basins has been calculated.      With detailed analysis and comparison of energy consumption in both basin and 41% wheel Pelton of pressure / work close to 50% of energy consumption are reduced. Pressure exchanger with high performance and price pressure due to the high price of energy and is recommended for both catchment Pelton turbines.                                                             

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