Biomass Conversion Products as Steel Corrosion Inhibitors
- Autores: Mishurov V.I.1, Shubina E.N.1, Klushin V.A.2, Chizhikova A.A.2, Kashparova V.P.2, Berezhnaya A.G.3
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Afiliações:
- Don State Technical University
- Platov South-Russian State Polytechnic University (NPI)
- Southern Federal University
- Edição: Volume 92, Nº 5 (2019)
- Páginas: 620-624
- Seção: Applied Electrochemistry and Metal Corrosion Protection
- URL: https://journals.rcsi.science/1070-4272/article/view/216488
- DOI: https://doi.org/10.1134/S1070427219050069
- ID: 216488
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Resumo
By-products formed in the conversion of vegetable biomass (multicomponent tar) were studied in comparison with the target products of the process (5-hydroxymethylfurfural, 2,5-diformylfuran) as inhibitors of corrosion of low-carbon steel in sulfuric acid at temperatures of 25-90°C. The gravimetric method was used to determine the inhibiting effect of additives. All these additives exhibit medium protective effects in an acid medium, with the degree of protection in 1 M sulfuric acid at room temperature exceeding 80%. The potentiody-namic polarization method was used to determine the influence exerted by the additives on partial reactions of the corrosion process. It was shown that the tar and 2,5-diformylfuran behave as additives of the cathodic type, and 5-hydroxymethylfurfural, as that of a mixed type. Temperature-kinetic calculations were used to determine the mechanism of action of the inhibitors. The corrosion process occurs in the presence of additives predominantly under the kinetic control.
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Sobre autores
V. Mishurov
Don State Technical University
Autor responsável pela correspondência
Email: vimishurov@gmail.com
Rússia, Rostov-on-Don, 344002
E. Shubina
Don State Technical University
Email: vimishurov@gmail.com
Rússia, Rostov-on-Don, 344002
V. Klushin
Platov South-Russian State Polytechnic University (NPI)
Email: vimishurov@gmail.com
Rússia, Novocherkassk, Rostov-on-Don oblast, 346428
A. Chizhikova
Platov South-Russian State Polytechnic University (NPI)
Email: vimishurov@gmail.com
Rússia, Novocherkassk, Rostov-on-Don oblast, 346428
V. Kashparova
Platov South-Russian State Polytechnic University (NPI)
Email: vimishurov@gmail.com
Rússia, Novocherkassk, Rostov-on-Don oblast, 346428
A. Berezhnaya
Southern Federal University
Email: vimishurov@gmail.com
Rússia, Rostov-on-Don, 344006
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