OPTIMAL CHLORINATION OF WATER DISTRIBUTION SYSTEMS WITH RESPECT RESIDUAL CHLORINE AND FORMATION OF THM

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ARDESHIR A.; BEHZADIAN K.; MOHAMMADNEZHAD M.A.; JALILSANI F.; FORUTAN ALIZADEGAN H.

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Journal: Sharif Journal of Civil Engineering Year:2017 | Volume:33-2 | Issue:3.1 Page(s): 21-29

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Title

OPTIMAL CHLORINATION OF WATER DISTRIBUTION SYSTEMS WITH RESPECT RESIDUAL CHLORINE AND FORMATION OF THM

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Keywords

DISINFECTION BY-PRODUCTQ1

OPTIMAL CHLORINATION STATIONSQ1

URBAN WATER DISTRIBUTION SYSTEMQ1

Abstract

Whilst booster chlorination stations are suggested to resolve the drawback of chlorination at water resources, determination of exact amount of injection is still a problem with respect to formation of THM as disinfection byproduct (DBP) of chlorination. In this paper, a multi-objective genetic algorithm is used to optimize both the location of chlorination stations and their schedule with respect to residual chlorine and formed THM which is indirectly estimated by a linear relation based on the amount of chlorine consumed. The objectives are to minimize the total amount of consumed disinfectant and to maximize percent of safety drinking water (SDW) assuming a specific number of disinfectant stations. The results show the increase in the number of stations would lead to both a decrease in DBP and maintenance of residual chlorine in standard limits in many parts of the network. Particularly, distant points with a very long resident time often suffer both residual chlorine less than standard limit and DBP with high concentrations. A maximum amount in which no risk of cancer would occur due to DBP is then determined for each specific number of chlorination stations.

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APA: Copy

ARDESHIR, A., BEHZADIAN, K., MOHAMMADNEZHAD, M.A., JALILSANI, F., & FORUTAN ALIZADEGAN, H.. (2017). OPTIMAL CHLORINATION OF WATER DISTRIBUTION SYSTEMS WITH RESPECT RESIDUAL CHLORINE AND FORMATION OF THM. SHARIF: CIVIL ENINEERING, 33-2(3.1 ), 21-29. SID. https://sid.ir/paper/127899/en

Vancouver: Copy

ARDESHIR A., BEHZADIAN K., MOHAMMADNEZHAD M.A., JALILSANI F., FORUTAN ALIZADEGAN H.. OPTIMAL CHLORINATION OF WATER DISTRIBUTION SYSTEMS WITH RESPECT RESIDUAL CHLORINE AND FORMATION OF THM. SHARIF: CIVIL ENINEERING[Internet]. 2017;33-2(3.1 ):21-29. Available from: https://sid.ir/paper/127899/en

IEEE: Copy

A. ARDESHIR, K. BEHZADIAN, M.A. MOHAMMADNEZHAD, F. JALILSANI, and H. FORUTAN ALIZADEGAN, “OPTIMAL CHLORINATION OF WATER DISTRIBUTION SYSTEMS WITH RESPECT RESIDUAL CHLORINE AND FORMATION OF THM,” SHARIF: CIVIL ENINEERING, vol. 33-2, no. 3.1 , pp. 21–29, 2017, [Online]. Available: https://sid.ir/paper/127899/en

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