The effect of sulfide on the aerobic corrosion of carbon steel in near-neutral pH saline solutions

被引：26
|
作者：
Sherar, B. W. A. [1 ]
Keech, P. G. [2 ]
Shoesmith, D. W. [3 ]
机构：
[1] Blade Energy Partners Ltd, Houston, TX 77084 USA
[2] Nucl Waste Management Org, Toronto, ON M4T 2S3, Canada
[3] Univ Western Ontario, Dept Chem, London, ON N6A 5B7, Canada
来源：
CORROSION SCIENCE | 2013年 / 66卷
基金：
加拿大自然科学与工程研究理事会;
关键词：
Mild steel; Polarization; SEM; Raman spectroscopy; Oxygen reduction; Microbiological corrosion; RAMAN-SPECTROSCOPY; HYDROGEN-SULFIDE; ARTIFICIAL GROUNDWATERS; ANAEROBIC CORROSION; EXTERNAL CORROSION; CYCLING CONDITIONS; LINE PIPE; CAST-IRON; PART; MINERALS;
D O I：
10.1016/j.corsci.2012.09.027
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Severe corrosion damage may occur when gas transmission pipelines are exposed, at disbanded coating locations, to trapped waters containing sulfide followed by secondary exposure to air. Aerobic corrosion with sulfide was investigated in a long-term corrosion experiment in which corrosion was monitored by measurement of the corrosion potential and polarization resistance obtained from linear polarization resistance measurements. The properties and composition of the corrosion product deposits formed were determined using scanning electron microscopy, energy dispersive X-ray analysis, and Raman spectroscopy. A switch from aerobic to aerobic-with-sulfide corrosion doubles the relative corrosion rate. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：256 / 262
页数：7
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