The corrosion behavior and mechanism of carbon steel induced by extracellular polymeric substances of iron-oxidizing bacteria
作者： Hongwei Liu , Tingyue Gu , Muhammad Asif , Guoan Zhang , Hongfang Liu
DOI: 10.1016/J.CORSCI.2016.10.025
关键词:
摘要: Abstract In this work, the corrosion behavior and mechanism of carbon steel induced by extracellular polymeric substances (EPS) extracted from an iron-oxidizing bacterium culture were studied using surface analysis electrochemical measurements in 3.5 wt% NaCl solutions. Results showed that 7 day-old EPS at 240 mg L −1 inhibited steel, especially after solution was heat treated to deactivate enzymes EPS. However, much higher lower concentrations accelerated corrosion. Furthermore, 14 day-old 28 day-old also
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