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Title: Steel C15E corrosion resistance to disinfectants
Authors: Ramanouski, V. I.
Zhilinski, V. V.
Keywords: сталь углеродистая
коррозионная устойчивость
коррозионная активность
хлорсодержащие растворы
дезинфицирующие растворы
гипохлорит натрия
гипохлорит кальция
хлорная известь
насыщенные растворы озона
коррозия стали
Issue Date: 2015
Publisher: BSTU
Citation: Ramanouski, V. I. Steel C15E corrosion resistance to disinfectants / V. I. Ramanouski, V. V. Zhilinski // Proceedings of BSTU. No. 3. – Minsk : BSTU, 2015. – P. 24-28
Description: The article presents a comparative analysis of the corrosiveness of chlorine-containing disinfectants such as sodium hypochlorite, calcium hypochlorite and chlorinated lime, and a saturated solution of ozone in water to carbon steel С15E. Investigations have been carried out by weight and indirect electrochemical method, i. e. the Zomelfeld method. The description of the applied methods of the research and the composition of the investigated steel are presented. To determine the resistance band of the metal in relation to the solution of various concentrations the weight and deep coefficient of corrosion rate has been calculated. The physical and chemical processes occurring on the surface of the metal in the treated environment are described. It was found th at the most corrosive test solution is the saturated solution of ozone in water, and the most corrosive chlorine disinfectant is sodium hypochlorite. Calcu-lated on the current density weight and depth corrosion indicators of steel C15E in disinfectant solu-tions are in the 2–17 times higher than those obtained in the test weight. It is noted that for the disinfection of water supply facilities and water wells throug h a substantially shorter processing time by ozone in comparison with chlorine-containing reagents weig ht corrosion rate using ozone is significantly less than the minimum corrosion rate when using chlorinecon taining reactants.
Appears in Collections:2015, № 3

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