米糠提取液的气相缓蚀作用研究
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- 英文论文题名：Study of Rice bran Extraction used as Vapor Phase Inhibitor
- 论文作者：康笑阳 ; 付朝阳
- 英文论文作者：KANG Xiaoyang ; FU Chaoyang ; HU Sheng ; ZHONG Fei ; Hubei Key Laboratory of Materials Chemistry and Service Failure ; Department of Chemistry ; Huazhong University of Science and Technology
- 年：2008
- 作者机构：华中科技大学化学系材料化学与服役失效湖北省重点实验室;
- 论文关键词：气相缓蚀剂 ; 缓蚀机理 ; 米糠 ; 植酸
- 英文论文关键词：rice bran ; phytic acid ; volatile corrosion inhibitor ; inhibition mechanism
- 会议召开时间：2008-07-01
- 会议录名称：第十五届全国缓蚀剂学术讨论会论文集
- 语种：中文
- 分类号：TG174.42
- 学会代码：ZGHA
- 会议名称：第十五届全国缓蚀剂学术讨论及应用技术经验交流会
- 会议地点：中国辽宁沈阳
- 主办单位：中国腐蚀与防护学会缓蚀剂专业委员会
- 学会名称：中国腐蚀与防护学会缓蚀剂专业委员会
- 页数：4
- 文件大小：338k
- 原文格式：O
- 会议级别：全国
摘要
用稀酸酸化浸取法从米糠中提取植酸,并将其作为气相缓蚀剂的主要成分;采用失重挂片、线性极化和交流阻抗等方法评价该缓蚀剂的气相缓蚀效率,并对其缓蚀机理进行了初步探讨。结果表明:该缓蚀剂对碳钢的气相腐蚀有良好的缓蚀效果,缓蚀率可达90%。电化学测试结果表明,该缓蚀剂属于阳极吸附型缓蚀剂。
Phytic acid was extracted from the rice bran by dilute acid leaching method and used as main component of vapor phase inhibitor.Its inhibiting behavior on carbon steel in 3%brine was investigated by means of weight loss,linear polarization and electrochemical impedance spectroscopy(EIS) methods,the inhibition mechanism of it also studied.The results show that the corrosion inhibitor exhibits good inhibition effect for carbon steel in 3%brine,the inhibition rate can reach 90%.The results of polarization curves indicate that the vapor phase inhibitor of phytic acid mainly prohibits the anode process,also the result was approved by the microscopic analysis.
Phytic acid was extracted from the rice bran by dilute acid leaching method and used as main component of vapor phase inhibitor.Its inhibiting behavior on carbon steel in 3%brine was investigated by means of weight loss,linear polarization and electrochemical impedance spectroscopy(EIS) methods,the inhibition mechanism of it also studied.The results show that the corrosion inhibitor exhibits good inhibition effect for carbon steel in 3%brine,the inhibition rate can reach 90%.The results of polarization curves indicate that the vapor phase inhibitor of phytic acid mainly prohibits the anode process,also the result was approved by the microscopic analysis.
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