[1]陈 蕊,李善建,冯拉俊,等.喹啉缓蚀剂对N80石油管道钢小孔腐蚀的影响[J].焊管,2013,36(11):15-19.[doi:1001-3938(2013)11-0015-05]
 CHEN Rui,LI Shanjian,FENG Lajun,et al.Influence of Quinoline Corrosion Inhibitor on Micropore Corrosion of N80 Petroleum Pipeline Steel[J].,2013,36(11):15-19.[doi:1001-3938(2013)11-0015-05]
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喹啉缓蚀剂对N80石油管道钢小孔腐蚀的影响
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
36
期数:
2013年第11期
页码:
15-19
栏目:
试验与研究
出版日期:
2013-11-28

文章信息/Info

Title:
Influence of Quinoline Corrosion Inhibitor on Micropore Corrosion of
N80 Petroleum Pipeline Steel
文章编号:
1001-3938(2013)11-0015-05
作者:
陈 蕊1李善建12冯拉俊1李向红3
(1. 西安理工大学 材料科学与工程学院,西安 710048;
2. 西安石油大学 化学化工学院,西安 710065;
3. 宝鸡石油钢管有限责任公司,陕西 宝鸡 721008)
Author(s):
CHEN Rui1LI Shanjian12FENG Lajun1LI Xianghong3
(1. School of Material Science and Engineering,Xi’an University of Technology,Xi’an 710048, China;
2. School of Chemical Engineering,Xi’an Shiyou University,Xi’an 710065,China;
3. Baoji Petroleum Steel Pipe Co., Ltd., Baoji 721008,Shaanxi,China)
关键词:
石油管道N80喹啉缓蚀剂小孔腐蚀缓蚀率
Keywords:
petroleum pipelineN80quinoline corrosion inhibitormicropore corrosioninhibition rate
分类号:
TE973
DOI:
1001-3938(2013)11-0015-05
文献标志码:
A
摘要:
模拟石油开采环境中石油管道的小孔腐蚀,通过对闭塞区内、外溶液进行腐蚀介质浓度分析、电化学分析以及对闭塞区内金属表面腐蚀形貌进行观察,研究了喹啉缓蚀剂(QA)对N80石油管道钢在0.5%CH3COOH+ 5%NaCl的饱和H2S溶液体系中小孔腐蚀的缓蚀性。结果表明:55 ℃时随着本体溶液中QA缓蚀剂浓度的增加,闭塞区Cl-和S2-浓度逐渐降低,抑制闭塞区溶液的pH值下降,对闭塞区的缓蚀效率逐渐增加。在本体溶液中添加0.6%~0.8% 的QA缓蚀剂时,对小孔内材料的缓蚀率可达96.58%以上。
Abstract:
Simulating micropore corrosion of pipeline in petroleum exploitation environment, it studied the influence of quinoline corrosion inhibitor on micropore corrosion of N80 pipeline steel in 0.5%CH3COOH+ 5%NaCl saturated H2S solution system, through analysis on corrosion medium concentration of occlusion area inside and outside solution ,electrochemical analysis and corrosion morphology observation of metal surface. The result indicated that at 55 ℃ with concentration of QA corrosion inhibitor increasing in solution, the concentration of Cl-and S2- gradually  decrease in occlusion area, and control pH value in occlusion area solution decreasing can increase corrosion inhibition efficiency gradually. When adding 0.6%~0.8% QA corrosion inhibitor, the inhibition rate of micropore can reach more than 96.58%.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2013-07-04
基金项目:陕西省防腐重点实验室支持项目(2011BS2S011)。
作者简介:陈 蕊(1990—),女,在读研究生,主要从事腐蚀与防护方面的研究。
更新日期/Last Update: