Effect of organophosphorus pesticide on the corrosion of carbon steel in polluted freshwaters

doi:10.1108/00035590910923419

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Anti-Corrosion Methods and Materials

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Effect of organophosphorus pesticide on the corrosion of carbon steel in polluted freshwaters

Document Information:
Title:	Effect of organophosphorus pesticide on the corrosion of carbon steel in polluted freshwaters
Author(s):	Li Jiang, (School of Resource and Environmental Science, Wuhan University, Wuhan, China), Xuhui Mao, (School of Resource and Environmental Science, Wuhan University, Wuhan, China), Jianfei Yu, (School of Resource and Environmental Science, Wuhan University, Wuhan, China), An Lin, (School of Resource and Environmental Science, Wuhan University, Wuhan, China), Fuxing Gan, (School of Resource and Environmental Science, Wuhan University, Wuhan, China State Key Laboratory for Corrosion and Protection, Shenyang, China)
Citation:	Li Jiang, Xuhui Mao, Jianfei Yu, An Lin, Fuxing Gan, (2009) "Effect of organophosphorus pesticide on the corrosion of carbon steel in polluted freshwaters", Anti-Corrosion Methods and Materials, Vol. 56 Iss: 1, pp.13 - 17
Keywords:	Corrosion, Pesticides, Steel, Water pollutants
Article type:	Research paper
DOI:	10.1108/00035590910923419 (Permanent URL)
Publisher:	Emerald Group Publishing Limited
Acknowledgements:	This research was supported by funds from the National Science Foundation of China, (Grant No. 50671074).
Abstract:	Purpose – The aim of this paper is to study the corrosion behavior and corrosion mechanism of carbon steel in polluted freshwaters with organophosphorus pesticide (OP). Design/methodology/approach – The weight-loss method, electrochemical measurements and surface analysis technique were used to study the corrosion of carbon steel in polluted freshwaters with OP. Findings – General corrosion occurred when carbon steels were exposed to test solutions (freshwaters with and without OP). The presence of OP in test solutions can accelerate the corrosion rate of carbon steel. Originality/value – The aim of this work was to evaluate the effect of a single OP (diethyl phosphite) on the corrosion of carbon steel. Until now, there was little research to report on this aspect. It was found that the presence of diethyl phosphite at low concentrations could accelerate the corrosion rate of carbon steel in freshwaters. This research not only can offer theoretical guidelines for the prevention of pipelines and facilities from corroding, but also can provide reference for suitable material selection.