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DOE Solar Energy Technologies Program

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DOE Solar Energy Technologies Program ( doe-solar-energy-technologies-program )

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Feasibility of Solar-Powered Desalination and Pumping Unit for Brackish Water Performing Organizations: Key Technical Contacts: DOE HQ Technology Manager: FY 2005 Budget: National Renewable Energy Laboratory (NREL) Ken J. Touryan (NREL, Overall Project Manager), 303-275-3009, ken_touryan@nrel.gov Allan Hoffman (PAE), 202-586-8302, allan.hoffman@ee.doe.gov $15K (DOE/EERE/PAE) ____________________________________________________________________________________ NOTES: (1) PAE provided $15K in 2005 for a report on the feasibility of solar PV powered reverse osmosis desalination systems for brackish water in remote villages. (2) The technology demonstration, which began in 2003, was funded in previous years by the USAID ($550K) and DOE/EERE ($350K). In addition, Jordan provided substantial in-kind resources through the Ministry of Water and Irrigation and the National Energy Research Council. (3) This brief describes the technology demonstration that the PAE-funded report covers. Objectives • Analyze the feasibility of operating small, solar-powered desalination units for brackish water (PAE emphasis). • NOTE: The objectives of the full technical demonstration were: o Foster cooperation and confidence building among regional partners. o Increase local institutional and individual technical capacity. o Stimulate a joint design effort by the regional partners of the desalination units suitable for use in remote villages. o Stimulate regional manufacturing of the jointly designed desalination units. Accomplishments • The analysis is currently in process. Future Directions • Complete and deliver final report. • NOTE: According to the contract NREL has with the U.S. Agency for International Development, the final report for the whole project is due by February 28, 2006. ___________________________________________________________________________________ 1. Introduction The purpose of this project is to analyze the viability of small-scale, solar-powered desalination units for brackish water. The context of the project is a regional cooperation among the United States, Israel, Jordan, and the Palestinian Authority that was initiated several years ago. In the project, Jordan received two desalination units. The first unit is a surplus U.S.-military reverse osmosis (RO) water purification unit (ROWPU), installed and operated in the remote village of Qatar in the southern part of Jordan. The second RO unit, model Delta-15, is a commercial unit manufactured by Crane Environmental, a division of Crane Co. (U.S.). It is now installed at the Aqaba Industrial Estates, which is part of a U.S. Agency for International Development (USAID) program for the Aqaba region. (In a similar fashion, the Palestinian Authority has received a smaller Crane Environmental unit, which is being installed outside Jericho and connected to the power grid.) Solar insolation is relatively high in both Jordan and the West Bank. The yearly average horizontal radiation is approximately 5.6 kWh/m2/day. On a tilted surface, the mean values vary from 5.9–6.8 kWh/m2/day. For the proposed sites of the desalination systems, the Aqaba area and Jericho, the annual average solar radiation is 6.2 kWh/m2/day. EERE Crosscutting Activities 172

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