钨酸盐及其复配对模拟水中碳钢的缓蚀作用研究

徐群杰; 马姗姗; 陈震芳

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上海电力大学学报:2005,21(3):268-270

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钨酸盐及其复配对模拟水中碳钢的缓蚀作用研究

徐群杰, 马姗姗, 陈震芳

(上海电力学院能源与环境工程学院, 上海 200090)

Study of Tungstate and Its Complex as Inhibitors for Carbon-steel Corrosion in Simulated Water

XU Qun-jie, MA Shan-shan, CHEN Zhen-fang

(School of Thermal Power & Environmental Engineering, Shanghai University of Electric Power, Shanghai 200090, China)

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投稿时间：2005-07-07

中文摘要: 采用电化学交流阻抗法和极化曲线法研究了环境友好型缓蚀剂钨酸盐及其复配对模拟水中碳钢的缓蚀作用.研究结果表明:加入单一缓蚀剂钨酸钠时,对碳钢具有缓蚀效果的最佳浓度为100 mg/L.相同浓度下的钨酸钠复配(98 mg/L钨酸钠+2 mg/L锌盐)对碳钢的缓蚀效果明显增强且具有缓蚀协同效应.极化曲线测试结果表明钨酸钠及钨锌复配缓蚀剂对碳钢的缓蚀作用机理是阳极型缓蚀剂.

中文关键词: 碳钢缓蚀钨酸钠交流阻抗

Abstract:The inhibition effect of environmental friendly inhibitors such as tungstate and its complex for carbon-steel corrosion in simulated water is studied by using AC impedance and polarization curves.Na₂WO₄ shows the best inhibition effect when the concentration of Na₂WO₄ reaches 100 mg/L.It is also shown that there is a good synergistic effect between Zn²⁺ and Na₂WO₄.When the composition of the complex is 2 mg/L Zn²⁺ and 98 mg/L Na₂WO₄,there exists better inhibition effect for carbon-steel corrosion.

keywords: carbon steel inhibitor Na₂WO₄ AC impedance

文章编号：20050317 中图分类号： 文献标志码：

基金项目:国家自然科学基金资助项目(20406009);上海市青年科技启明星资助项目(02QF14022);上海市重点培育学科资助项目(P1304);上海市教委重点培育学科项目

作者	单位
徐群杰	上海电力学院能源与环境工程学院, 上海 200090
马姗姗	上海电力学院能源与环境工程学院, 上海 200090
陈震芳	上海电力学院能源与环境工程学院, 上海 200090

Author Name	Affiliation
XU Qun-jie	School of Thermal Power & Environmental Engineering, Shanghai University of Electric Power, Shanghai 200090, China
MA Shan-shan	School of Thermal Power & Environmental Engineering, Shanghai University of Electric Power, Shanghai 200090, China
CHEN Zhen-fang	School of Thermal Power & Environmental Engineering, Shanghai University of Electric Power, Shanghai 200090, China

引用文本：
徐群杰,马姗姗,陈震芳.钨酸盐及其复配对模拟水中碳钢的缓蚀作用研究[J].上海电力大学学报,2005,21(3):268-270.
XU Qun-jie,MA Shan-shan,CHEN Zhen-fang.Study of Tungstate and Its Complex as Inhibitors for Carbon-steel Corrosion in Simulated Water[J].Journal of Shanghai University of Electric Power,2005,21(3):268-270.