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Improvement of artificial neural network model for the prediction of wastewater treatment plant performance

Jami, Mohammed Saedi and Ahmed Kabashi, Nassereldeen and Husain, Iman A.F. and Abdullah, Norhafiza (2011) Improvement of artificial neural network model for the prediction of wastewater treatment plant performance. In: The 3rd IASTED International Conference on Environmental Management and Engineering (EME), 4 – 6 July 2011, Calgary, Canada.

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A statistical modeling tool called artificial neural network (ANN) is used in this work to predict the performance of wastewater treatment plant (WWTP). Extensive influent and effluent parameters database containing measured data spanning over two years of period was used to develop and train ANN using ANN toolbox in commercially available software, MATLAB. The data were obtained from one of Sewage Treatment Plant in Malaysia. The input parameters for the ANN were BOD, SS, and COD of the influent, while the output parameters were combination of the effluent characteristics. The networks for single input-single output were compared with those of single input-multiple output. The ANN was developed for raw and screened data and the results were compared for both networks. It was found that the use of data screening is essential to come up with a better ANNs model. From the regression analysis, networks with one hidden layer and 20 neurons were found to be the best one for single input-single output approach. While the best network for the multiple inputs-single output approach was with BOD as outputs and 30 neurons. The second approach which showed a lower RMSE and higher R values was selected.

Item Type: Conference or Workshop Item (Full Paper)
Additional Information: 5545/2997
Uncontrolled Keywords: Artificial neural network, wastewater treatment, regression analysis
Subjects: T Technology > TD Environmental technology. Sanitary engineering > TD159 Municipal engineering
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering > Department of Biotechnology Engineering
Depositing User: Prof. Ir. Dr. Mohammed Saedi Jami, PhD CEng MIChemE
Date Deposited: 13 Oct 2011 11:07
Last Modified: 12 Jan 2012 15:54
URI: http://irep.iium.edu.my/id/eprint/2997

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