Biocorrosion of concrete sewer pipes

Harbul’áková, Vlasta and Luptáková, Alena and Števulová, Nadežda and Rutarová, Pavlína (2008) Biocorrosion of concrete sewer pipes. Pollack Periodica, 3 (2). pp. 51-58. ISSN 1788-1994

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Abstract

Biocorrosion of natural and synthetic materials is an irreversible biochemical process, where a significant participation of bacteria societies takes place. The biocorrosion of concrete sewer pipes is caused mainly by the sulphuric bacteria and sulphate-reducing bacteria (SRB) forming a part of the biological circulation of sulphur and its compounds in biosphere. The aim of this work was to simulate a biocorrosion and to study the effect of simultaneous action of Acidithiobacillus thiooxidans ( A.t. ) and sulfate-reducing bacteria on concrete samples under model conditions. The biocorrosion effect has been proved and a further study is planed.

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