Conventional Machinery/Unconventional Applicationsby Andrea S. Horan, US Bureau of Reclamation, Denver, CO, USA,
Abstract: The U. S. Bureau of Reclamation has become increasingly involved in small-scale hydroelectric projects involving unconventional applications for conventional hydraulic machinery. One ongoing project incorporating the above features is the Yuma Energy Recovery Units. The energy recovery units will be installed in a reverse osmosis desalting plant. The three energy recovery turbines recover the potential energy from the high-pressure reject brine of the desalting process as it is discharged to atmospheric pressure. In addition to the Yuma Energy Recovery Units, the Bureau of Reclamation is involved in two small-scale hydroelectric projects, Towaoc and McPhee Powerplants. This paper discusses the design considerations, unit selection, and economics of the Yuma Energy Recovery Units, as well as providing an overview of design considerations and economics for Towaoc and McPhee Powerplants.
Subject Headings: Power plants | Hydro power | Energy recovery | Equipment and machinery | Osmosis | Sustainable development | Economic factors | Bureau of Reclamation
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