UDC 620.197.3


Kontsevoi Sergei Andreevich
National Technical University of Ukraine “Kyiv Polytechnic Institute”
Assistant professor, Department of Technology of Inorganic substances and General chemical technology, The faculty of Chemical Technology. PhD for 05.17.21 - Water Treatment Technology, serkon157@ukr.net

The theoretical and practical arguments for possibility of the "carbonic" mode (pH 7.0 ÷ 8.3) and the necessity to abandon "carbonate" mode (pH 8.3 ÷ 9.5) in heating systems are presented. The causes of pitting steel at a pH above 8.3 have been clarified. Also, an analysis of the paradoxical situation in the thermal energy sector has made for the CIS countries, where the oxygen corrosion continues to be a significant problem for the majority of the heating systems.

Keywords: carbonic mode, oxygen, pH range, pitting steel, reduction catalyst, sodium sulfite

Category: 05.00.00 Technical sciences

Article reference:
Effective prevention of oxygen corrosion in the heating systems // Modern scientific researches and innovations. 2015. № 10 [Electronic journal]. URL: https://web.snauka.ru/en/issues/2015/10/58509

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