بررسي و ارزيابي اقتصادي تصفيه انواع فاضلاب تخليه شونده به رودخانه كارون در محدوده استان خوزستان

Feasibility Study of Implementation of Treatment of Discharged Wastewater into Karoon River in Khouzestan Provinces of Iran

The main purpose of this study is to investigate and financially juste the implementation of municipal, agricultural and industrial wastewater treatment in khouzestan Province Cost-Benefit method has been used for this Feasibility Study The required data and information have been gathered from various sources, such as Statistic Center of Iran, Department of Environment, a study on wastewater treatment in Khou:estan Province, World Bank, United Nation Development Program (UNDP) , Ministry of Health and Fishery Office. On his basis, the impacts of pollution and damages concerning existing situation of wastewater management have been reviewed and evaluated financially. Considering the cost of existing situation damages as benefit of implementation of wastewater treatment management, the benefit of this implementation is about 8.18 *10^12 Rials. The interest devaluation method has been used for calculation of the value of this benefit for 10 years as design period, and net present value (NP V) was calculated as 30.12*10^12Rials. However the cost of implementation of wastewater treatment management is about 9*1012 Rials. Considering the related issues for wastewater management, the net profit rate is 235%. Accordingly, implementation of municipal, agricultural and industrial wastewater treatment in Khozestan Province is highly recommended and has remarkably financial justification, because profit rate of this project is a bout ten times higher than the interest rate.