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Water/Wastewater Engineering Report (High Efficiency Pump/Motor Replacement - M2 Model)
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Pumping water or wastewater is the largest use of electricity for a municipal water supply or wastewater treatment plant. Increasing the overall efficiency of the pumping system can achieve significant energy savings. Overall pump system efficiency depends on the efficiency of the motor, the pump, and the design of the piping layout. The model developed in this document focuses on improvements mostly to the pumping system rather than a municipal piping system. Furthermore, this model primarily addresses electric motor-driven pumps, and does not include the pumps driven with gasoline or diesel engines.
DescriptionThis report presents the methodology used to develop the high efficiency pump/motor model (M2) for wastewater treatment and water treatment plant. It reviews the engineering equations that were used to develop the model. It also includes a detailed description of an example to illustrate the methodology.
Liu, Z.; Brumbelow, K.; Haberl, J. S. (2006). Water/Wastewater Engineering Report (High Efficiency Pump/Motor Replacement - M2 Model). Available electronically from