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Design of a Wastewater Treatment Plant Upgrading to Advanced Nutrient Removal Treatment Using Modeling Methodology and Multivariate Statistical Analysis for Process Optimization  

Kim, MinJeong (Center for Environmental Studies, Dept. of Environmental Science and Engineering, College of Engineering, Kyung Hee University)
Kim, MinHan (Center for Environmental Studies, Dept. of Environmental Science and Engineering, College of Engineering, Kyung Hee University)
Kim, YongSu (Center for Environmental Studies, Dept. of Environmental Science and Engineering, College of Engineering, Kyung Hee University)
Yoo, ChangKyoo (Center for Environmental Studies, Dept. of Environmental Science and Engineering, College of Engineering, Kyung Hee University)
Publication Information
Korean Chemical Engineering Research / v.48, no.5, 2010 , pp. 589-597 More about this Journal
Abstract
Strengthening the regulation standard of biological nutrient in wastewater treatment plant(WWTP), the necessity of repair of WWTP which is operated in conventional activated sludge process to advanced nutrient removal treatment is increased. However, in full-scale wastewater treatment system, it is not easy to fine the optimized operational condition of the advanced nutrient removal treatment through experiment due to the complex response of various influent conditions and operational conditions. Therefore, in this study, an upgrading design of conventional activated sludge process to advanced nutrient removal process using the modeling and simulation method based on activated sludge model(ASMs) is executed. And a design optimization of advanced treatment process using the response surface method(RSM) is carried out for statistical and systematic approach. In addition, for the operational optimization of full-scale WWTP, a correct analysis about kinetic variables of wastewater treatment is necessary. In this study, through partial least square(PLS) analysis which is one of the multivariable statistical analysis methods, a correlation between the kinetic variables of wastewater treatment system is comprehended, and the most effective variables to the advanced treatment operation result is deducted. Through this study, the methodology for upgrading design and operational optimization of advanced treatment process is provided, and an efficient repair of WWTP to advanced treatment can be expected reducing the design time and costs.
Keywords
Repair to Advanced Treatment Process; GPS-X Modeling; Activated Sludge Model(ASMs); Response Surface Method; Optimization of Advanced Treatment Process; PLS Analysis;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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