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Influence and interaction of temperature, H2S and pH on concrete sewer pipe corrosion

Influence and interaction of temperature, H2S and pH on concrete sewer pipe corrosion

Romanova, Anna, Mahmoodian, Mojtaba and Alani, Morteza (2014) Influence and interaction of temperature, H2S and pH on concrete sewer pipe corrosion. In: ICCEIE 2014: International Conference on Civil, Environmental and Infrastructure Engineering, 12-13 Jun 2014, Copenhagen, Denmark. (Unpublished)

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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: Conference or Conference Paper (Paper)
Additional Information: [1] This paper was presented at ICCEIE 2014: International Conference on Civil, Environmental and Infrastructure Engineering held from 12-13 June 2014 in Copenhagen, Denmark. It was given on 13 June 2014 within Session III.
Uncontrolled Keywords: concrete corrosion, hydrogen sulphide gas, temperature, sewer pipe
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TD Environmental technology. Sanitary engineering
Faculty / Department / Research Group: Faculty of Engineering & Science
Related URLs:
Last Modified: 30 Jan 2017 15:11
URI: http://gala.gre.ac.uk/id/eprint/11436

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