A Novel Approach to Modeling Wastewater Evaporation Based on Dimensional Analysis

A. Izady (), O. Abdalla, M. Sadeghi, M. Majidi, A. Karimi and M. Chen
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A. Izady: Sultan Qaboos University
O. Abdalla: Sultan Qaboos University
M. Sadeghi: Utah State University
M. Majidi: Ferdowsi University of Mashhad
A. Karimi: Caledonian College of Engineering
M. Chen: Sultan Qaboos University

Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), 2016, vol. 30, issue 8, No 14, 2814 pages

Abstract: Abstract Wastewater from municipal and industrial sources is becoming increasingly important in being reused, for example, for irrigation purposes. Wastewater is commonly stored in treatment lagoons in which evaporation is the main cause of water loss. Nonetheless, modeling wastewater evaporation (WWE) has received little attention. Driven by this knowledge gap, this study was performed to explore extent to which impurities affect water evaporation. A dimensional analysis was used to formulate WWE as a function of clear water evaporation (CWE), wastewater properties and climatic variables. We based our modeling approach on experimental data collected from the Neishaboor municipal wastewater treatment plant, Iran. As a result of this analysis, a multiplicative model to formulate WWE as a function of the influencing variables is proposed which indicated a reasonably well accuracy (RMSE = 1.09 mm) for the WWE estimation. Clear water evaporation indicated to be the most correlated variable in the model such that a constant coefficient can also be used to estimate WWE from CWE at the cost of losing accuracy only by 4.6 %.

Keywords: Wastewater; Evaporation; Clear water; Class A pan; Dimensional analysis (search for similar items in EconPapers)
Date: 2016
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Citations: View citations in EconPapers (1)

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DOI: 10.1007/s11269-016-1324-8

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