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Indian Journal of Pure & Applied Biosciences (IJPAB)
Year : 2020, Volume : 8, Issue : 1
First page : (16) Last page : (25)
Article doi: : http://dx.doi.org/10.18782/2582-2845.7916

A Time Series Analysis of Wastewater Inflow of Sewage Treatment Plant in Hubballi, India

Mallu B. Deshetti* and G. N. Kulkarni
Department of Agricultural Economics, UAS, Dharwad-580005
*Corresponding Author E-mail: mallu.deshetti@gmail.com
Received: 10.12.2019  |  Revised: 17.01.2020   |  Accepted: 24.01.2020 

 ABSTRACT

A time series stochastic Models have been used to analyze the inflow rate of wastewater to the sewage treatment plant (STP) of Gabbur village at Hubballi city. Based on the daily inflow data of 214 days (April 2019 to October 2019), many possible combinations of the orders ‘p’ and ‘q’ were made with the differencing one (d=1). On the basis of diagnostic check, ARIMA (0, 1, 3) was selected which has a combination of significant R – square value of 0. 380 and a least Normalized Bayesian information Criterion (BIC) value of 1.715. Linear regression model applied to the observed inflow and the predicted values of inflow obtained by the ARIMA model showed positive linear correlation. Forecasted inflow rate was high for 284 days, which infers that the future designs for STP may need modification to accommodate the high inflow and since the series has no seasonal trend, an average inflow may also occur for some days.

Keywords: Wastewater, Sewage treatment plant, ARIMA

Full Text : PDF; Journal doi : http://dx.doi.org/10.18782

Cite this article: Deshetti, M.B. & Kulkarni, G.N. (2020). A Time Series Analysis of Wastewater Inflow of Sewage Treatment Plant in Hubballi, India, Ind. J. Pure App. Biosci. 8(1), 16-25. doi: http://dx.doi.org/10.18782/2582-2845.7916