ENER6C13
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Available as an ebook
Please purchase via www.iwaponline.comOpens in new window
Also part of Water Intelligence Online Digital Reference Library
Standard ePrice: £29.00
+ VAT
In 1996, the Electric Power Research Institute (EPRI) published a report entitled Water and Wastewater Industries: Characteristics and Energy Management Opportunities which described how electricity is used in the water and wastewater treatment sector. EPRI estimated in 2013 that the domestic wastewater sector now uses 30 billion kWh/yr of electric power or 0.8% of the electricity generated nationwide. More recent studies (Shizas and Bagley, 2004; Wett, Buchauer and Fimml, 2007) provide evidence that there is adequate energy embedded in domestic wastewater to significantly offset the power demand for treatment through energy resource recovery at wastewater facilities. To be consistent with the 2013 EPRI study, researchers used EPA’s Clean Watershed Needs Survey (CWNS) plant flow and technical process data when available, sorted by the size of the treatment facility along with energy balance and energy demand data generated under another WERF study to develop national energy projections from the domestic wastewater sector. That WERF study (ENER1C12), estimated the potential energy savings from large facilities (>5 mgd) becoming energy neutral based on process information using GPS-x models, available technologies, and energy balances developed for 25 common water resource recovery facility (WRRF) configurations.
The objectives of this study are to:
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The overall goal of this energy project is to aid water resource recovery facilities in quickly assessing their energy management performances (benchmarking) and move toward “net-zero” energy use...
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