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Biocorrosion of metal sewage treatment constructions and its inhibition with pyridinium chlorides

Olena Bondar1, Iryna Kurmakova1, Sergey Polevichenko1, Nataliya Demchenko1
Affiliation: 
Chernihiv National T.G. Shevchenko Pedagogical University, 53 Hetmana Polubotka St., 14013 Chernihiv, Ukraine i.kurmakova@gmail.com
DOI: 
https://doi.org/10.23939/chcht11.04.497
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Keywords:

Abstract: 
On the metal sewage treatment constructions (Chernihiv, Ukraine) a biofilm is formed, which is corrosive because of the number of sulfate-reducing bacteria (107 cell/cm2). By affecting sulfate-reducing activity of microorganisms, pyridinium chlorides at the concentration of 0.5 g/l were revealed to provide St3ps steel inhibition efficiency of up to 98.7 % under the corrosion caused by biofilm bacteria.
References: 

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