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Research Journal of Engineering and Technology
Year : 2017, Volume : 8, Issue : 4
First page : ( 315) Last page : ( 321)
Print ISSN : 0976-2973. Online ISSN : 2321-581X.
Article DOI : 10.5958/2321-581X.2017.00054.X

Testing the Performance of Pressure Sewer Systems to Reduce Wastewater Overflow

Biswas Rahul R.1,*, Biswas Tripti R.2

1Asset Management and Planning, Christchurch City Council, Christchurch, New Zealand

2Engineering Consultant, Christchurch, New Zealand

*Corresponding Author Email: raybiswas@gmail.com

Online published on 24 May, 2018.

Abstract

Wastewater overflow is one of the major sources of surface water pollution. A pressure sewer system is considered to be effective for reducing wastewater overflow by controlling the operation of pump stations during different storm events. It is a challenge to control pressure sewer systems efficiently and effectively especially in a complex sewer network. In a simple, well-defined sewer network, pressure sewers are highly effective in controlling sewer overflows in the downstream network. But in a complex sewer network pressure sewer systems may, in some cases, even increase the sewage overflows due to complexity in the network and area-wide variation of wet weather response in the network. This paper reviews the pressure sewer systems in post-earthquake Christchurch. The paper examines how reliable a pressure sewer system is in reducing wastewater overflows during different storm events. Hydraulic modelling tools have been used for this research.

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Keywords

Reduce wastewater overflow, modelling pressure sewer, performance of pressure sewer, sewage, water pollution, water quality.

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