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Title: Electrochemical corrosion monitoring in low conductive fluid : pilot-scale study on sulfolane corrosion potential
Authors: Świetlicka, Aleksandra
Środa, Agnieszka
Kozik, Violetta
Bąk, Andrzej
Barbusiński, Krzysztof
Howaniec, Natalia
Smoliński, Adam
Keywords: corrosion; sulfolane; aprotic solvent; carbon steel
Issue Date: 2019
Citation: Proceedings, Vol. 16, no. 1 (2019), art. no 5
Abstract: Solvents are a group of chemical compounds that are widely used in organic synthesis. Taking into account the chemical nature, solvents are divided into protic and aprotic ones. An attractive alternative to commonly used industrial extractive liquids is an anthropogenic, organosulfur medium—sulfolane. Sulfolane is a five-membered heterocyclic sulfur–organic compound from the group of sulfones (R-SO2-R’, where R/R’ is alkyl, alkenyl, or aryl), which contains an apolar hydrocarbon backbone and a polar functional group. It is a selective solvent in the liquid–liquid and liquid–vapor extraction processes used for the removal of close-boiling alkanes from cycloalkanes or for the separation of compounds with different degrees of saturation and polarity in the extractive rectification of arenes from non-aromatic saturated hydrocarbon mixtures. In standard conditions sulfolane is not an aggressive solvent for steel, but at higher temperature (170–180 °C) and oxygen availability, it may be decomposed and subsequently some corrosive (by-)products can be formed. The primary purpose of the presented pilot-case examination was to verify applicability of the industrial, multi-electrochemical technique for reliable detection of the corrosion processes in low conductive fluids.
DOI: 10.3390/proceedings2019016005
ISSN: 2504-3900
Appears in Collections:Artykuły (WNŚiT)

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