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中国腐蚀与防护学报  2009, Vol. 29 Issue (2): 149-153    
  研究报告 本期目录 | 过刊浏览 |
米糠提取液作为盐酸酸洗缓蚀剂的研究
胡胜;康笑阳;付朝阳
华中科技大学化学与化工学院 材料化学与服役失效湖北省 重点实验室 武汉  430074
RICE BRAN EXTRACTION USED AS PICKLING INHIBITOR IN HYDROGEN CHLORIDE ACID
HU Sheng; KANG Xiaoyang; FU Chaoyang
Hubei Key Laboratory of Materials Chemistry and Service Failure; Department of Chemistry;Huazhong University of Science and Technology; Wuhan 430074
全文: PDF(644 KB)  
摘要: 

用盐酸酸化浸取法从米糠中提取植酸,并将其作为盐酸酸洗缓蚀剂的主要成分;采用失重挂片、线性极化和电化学阻抗等方法评价该缓蚀剂的缓蚀效率,并初步探讨其缓蚀机理。结果表明:该缓蚀剂对碳钢在1 mol/L HCl 溶液中有良好的缓蚀效果,且缓蚀效率受温度影响较小,属于阴极型缓蚀剂。

关键词 米糠植酸盐酸酸洗缓蚀剂缓蚀机理    
Abstract

Phytic acid was abstracted from the rice bran by hydrochloric acid leaching method and used as main component of corrosion inhibitor for hydrochloric acid pickling. Its inhibiting behavior on carbon steel in hydrochloric acid was investigated by means of mass loss, polarization curves and electrochemical impedance spectroscopy (EIS) methods. The results show that the corrosion inhibitor exhibits good inhibition effect for carbon steel in 1mol/L hydrochloric acid and inhibition efficiency is less affected by temperature. The results of polarization curves indicate that the corrosion inhibitor mainly prohibits the cathodic process.

Key wordsrice bran    phytic acid    hydrochloric acid    pickling    corrosion inhibitor    inhibition mechanism
收稿日期: 2007-05-29     
ZTFLH: 

TG174.42

 
基金资助:

华中科技大学研究生创新基金(HF04112006013)

通讯作者: 付朝阳     E-mail: cyfu@mail.hust.edu.cn
Corresponding author: FU Chaoyang     E-mail: cyfu@mail.hust.edu.cn

引用本文:

胡胜 康笑阳 付朝阳. 米糠提取液作为盐酸酸洗缓蚀剂的研究[J]. 中国腐蚀与防护学报, 2009, 29(2): 149-153.
FU Zhao-Yang, HU Qing, KANG Xiao-Yang. RICE BRAN EXTRACTION USED AS PICKLING INHIBITOR IN HYDROGEN CHLORIDE ACID. J Chin Soc Corr Pro, 2009, 29(2): 149-153.

链接本文:

https://www.jcscp.org/CN/      或      https://www.jcscp.org/CN/Y2009/V29/I2/149

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