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中国腐蚀与防护学报  2011, Vol. 31 Issue (1): 28-33    
  研究报告 本期目录 | 过刊浏览 |
碳钢在90℃、H2S-HCl-H2O环境下的腐蚀行为 Ⅰ- H2S浓度对碳钢腐蚀行为的影响
唐俊文1,邵亚薇1,郭金彪2,张涛1,孟国哲1,王福会1,3
1. 哈尔滨工程大学材料科学与化学工程学院 腐蚀与防护实验室 哈尔滨 150001
2. 中国石油兰州石油化工公司 兰州 730060
3. 中国科学院金属研究所金属腐蚀与防护国家重点实验室沈阳110016
CORROSION BEHAVIOR OF CARBON STEEL IN H 2S-HCl-H2O AT 90℃ Ⅰ-The Effect of H2S Concentration on the Corrosion Behavior of Carbon Steel
TANG Junwen1, SHAO Yawei1, GUO Jinbiao2, ZHANG Tao1,MENG Guozhe1, WANG Fuhui1,3
1. Corrosion and Protection Laboratory,College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001
2. The Academy of Lanzhou Petrochemical Company, CNPC, Lanzhou 730060
3. State Key Laboratory for Corrosion and Protection, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016
全文: PDF(2389 KB)  
摘要: 在实验室模拟炼油厂常减压塔顶冷凝水系统环境,用腐蚀失重法和电化学测试方法并结合扫描电镜(SEM)和X射线衍射(XRD)分析手段,研究90℃ 条件下低碳钢在含有不同浓度H2S的模拟溶液中的腐蚀电化学行为。结果表明,H2S强烈地促进碳钢的阴极过程,H2S浓度升高,阴极过程加剧,腐蚀速率加快;H2S存在时,电极表面发生严重的局部腐蚀而形成大量腐蚀坑,同时形成一层主要成分为四方硫铁矿的腐蚀产物,硫化物沉积层随H2S浓度升高而变得疏松、易于破裂和脱落。
关键词 碳钢H2S腐蚀四方硫铁矿    
Abstract:The electrochemical behavior of low carbon steel in acidic simulation solutions containing different concentrations of H2S at 90℃ was investigated by mass loss method, electrochemical measurements and observations of scanning electron microscope (SEM) and X-ray radiation diffaction (XRD). The results showed that the cathodic depolarization was enhanced greatly and the corrosion rate of carbon steel increased remarkably with the increase of H2S concentration. The severe corrosion holes were observed on the carbon steel surface in the H2S-containing solutions. The corrosion products layer deposited on carbon steel were mainly composed of mackinawite, which became loose,easily cracked and sloughed off with increasing concentration of H2S.
Key wordscarbon steel    hydrogen sulfide    corrosion    mackinawite
收稿日期: 2009-11-24     
ZTFLH: 

TG172

 
通讯作者: 邵亚薇     E-mail: shaoyawei@hrbeu.edu.cn
作者简介: 唐俊文,男,1985年生,硕士生,研究方向为金属材料腐蚀与防护

引用本文:

唐俊文,邵亚薇,郭金彪,张涛,孟国哲,王福会. 碳钢在90℃、H2S-HCl-H2O环境下的腐蚀行为 Ⅰ- H2S浓度对碳钢腐蚀行为的影响[J]. 中国腐蚀与防护学报, 2011, 31(1): 28-33.
TANG Jun-Wen, YU Fu-Hui, MENG Guo-Zhe, GUO Jin-Biao, ZHANG Shou, SHAO Ya-Wei. CORROSION BEHAVIOR OF CARBON STEEL IN H 2S-HCl-H2O AT 90℃ Ⅰ-The Effect of H2S Concentration on the Corrosion Behavior of Carbon Steel. J Chin Soc Corr Pro, 2011, 31(1): 28-33.

链接本文:

https://www.jcscp.org/CN/      或      https://www.jcscp.org/CN/Y2011/V31/I1/28

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