Influence and Interaction of Temperature, H2S and pH on Concrete Sewer Pipe Corrosion

Romanova, Anna, Mahmoodian, Mojtaba and Alani, Amir (2014) Influence and Interaction of Temperature, H2S and pH on Concrete Sewer Pipe Corrosion. International Journal of Civil, Environmental, Structural, Construction and Architectural Engineering, 8 (6). pp. 621-624.

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Abstract

Concrete sewer pipes are known to suffer from a process of hydrogen sulfide gas induced sulfuric acid corrosion. This leads to premature pipe degradation, performance failure and collapses which in turn may lead to property and health damage. The above work reports on a field study undertaken in working sewer manholes where the parameters of effluent temperature and pH as well as ambient temperature and concentration of hydrogen sulfide were continuously measured over a period of two months. Early results suggest that effluent pH has no direct effect on hydrogen sulfide build up; on average the effluent temperature is 3.5°C greater than the ambient temperature inside the manhole and also it was observed that hydrogen sulfate concentration increases with increasing temperature.

Item Type: Article
Uncontrolled Keywords: concrete corrosion, hydrogen sulphide gas, temperature, sewer pipe
Subjects: Construction and engineering > Built environment
Construction and engineering > Civil and environmental engineering
Construction and engineering
Depositing User: Fabio Tosti
Date Deposited: 26 May 2016 00:27
Last Modified: 26 May 2016 00:27
URI: http://repository.uwl.ac.uk/id/eprint/2143

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