Modeling and Optimization of Poly Electrolyte Dosage in Water Treatment Process by GMDH Type- NN and MOGA

M. Akbarizadeh, A. Daghbandan and M. Yaghoobi
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M. Akbarizadeh: Department of Chemical Engineering, Guilan University, Rasht, Iran
A. Daghbandan: Department of Chemical Engineering, Guilan University, Rasht, Iran
M. Yaghoobi: Rasht Water Treatment Plant, Rasht, Iran

International Journal of Chemoinformatics and Chemical Engineering (IJCCE), 2013, vol. 3, issue 2, 94-106

Abstract: Coagulation-flocculation is the most important parts of water treatment process. Traditionally, optimum pre coagulant dosage is determined by used jar tests in laboratory. However; jar tests are time-consuming, expensive, and less adaptive to changes in raw water quality in real time. Soft computing can be used to overcome these limitations. In this paper, multi-objective evolutionary Pareto optimal design of GMDH Type-Neural Network has been used for modeling and predicting of optimum poly electrolyte dosage in Rasht WTP, Guilan, Iran, using Input - output data sets. In this way, multi-objective uniform-diversity genetic algorithms (MUGA) are then used for Pareto optimization of GMDH networks. In order to achieve this modeling, the experimental data were divided into train and test sections. The predicted values were compared with those of experimental values in order to estimate the performance of the GMDH network. Also, Multi Objective Genetic Algorithms (MOGA) are then used for optimization of influence parameters in pre coagulant (Poly electrolyte) dosage.

Date: 2013
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