Evaluation of physico-chemical factors influence on corrosion activity of water

Authors

  • Анжела Тамазівна Тамазашвілі National Technical University of Ukraine “Kyiv Polytechnic Institute” Peremogy ave. 37, Kyiv, Ukraine, 03056, Ukraine https://orcid.org/0000-0002-0850-222X
  • Юлія Ігорівна Мазна National Technical University of Ukraine “Kyiv Polytechnic Institute” Peremogy ave. 37, Kyiv, Ukraine, 03056, Ukraine https://orcid.org/0000-0001-8273-5286
  • Каріна Артурівна Малихіна National Technical University of Ukraine “Kyiv Polytechnic Institute” Peremogy ave. 37, Kyiv, Ukraine, 03056, Ukraine https://orcid.org/0000-0002-0004-7218
  • Микола Дмитрович Гомеля National Technical University of Ukraine “Kyiv Polytechnic Institute” Peremogy ave. 37, Kyiv, Ukraine, 03056, Ukraine https://orcid.org/0000-0002-8913-4931

DOI:

https://doi.org/10.15587/1729-4061.2013.18188

Keywords:

corrosion activity, metals, oxygen, salinity, corrosion rate, passivation oxygen film

Abstract

The paper investigated corrosion processes and determined the level of various aqueous media activity towards metals. Corrosion rate was determined by a manometric method and polarization resistance method. Tap water, artesian water and standard test solution were used as media of comparisons. The influence of pH, temperature and salinity on the rate of metals corrosion was defined. It was found that corrosion activity of neutral aqueous medium depends on the concentration of dissolved oxygen and the content of salt anions in water. It was proved that dissolved inorganic salts significantly accelerate corrosion process. It was found that at the temperature of 20 ºC, with decreased oxygen concentration in static conditions, corrosion rate decreases. It was shown that at high temperatures, the initial concentration of oxygen as well as pH medium, have little effect on corrosion activity of water, since in this case, corrosion of steel is mainly determined by chemical interaction of metal with water.

Author Biographies

Анжела Тамазівна Тамазашвілі, National Technical University of Ukraine “Kyiv Polytechnic Institute” Peremogy ave. 37, Kyiv, Ukraine, 03056

PhD student

Department of Ecology and Technology of Natural Polymers

Юлія Ігорівна Мазна, National Technical University of Ukraine “Kyiv Polytechnic Institute” Peremogy ave. 37, Kyiv, Ukraine, 03056

Student

Department of Ecology and Technology of Natural Polymers

Каріна Артурівна Малихіна, National Technical University of Ukraine “Kyiv Polytechnic Institute” Peremogy ave. 37, Kyiv, Ukraine, 03056

Student

Department of Ecology and Technology of Natural Polymers

Микола Дмитрович Гомеля, National Technical University of Ukraine “Kyiv Polytechnic Institute” Peremogy ave. 37, Kyiv, Ukraine, 03056

Doctor of science, professor, head of the department

Department of Ecology and Technology of Natural Polymers

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Published

2013-10-28

How to Cite

Тамазашвілі, А. Т., Мазна, Ю. І., Малихіна, К. А., & Гомеля, М. Д. (2013). Evaluation of physico-chemical factors influence on corrosion activity of water. Eastern-European Journal of Enterprise Technologies, 5(6(65), 15–19. https://doi.org/10.15587/1729-4061.2013.18188

Issue

Section

Technology organic and inorganic substances