Preparation and Application of an Acid Mist lnhibitor
摘 要
为解决钢铁酸洗除锈中盐酸对铁的腐蚀和盐酸挥发问题, 研究了8种自制的缓蚀抑雾剂的性能并选出最优配方H。采用单因素试验和正交试验对配方H的工艺条件进行优化,并采用扫描电镜对试片酸洗前后的微观形貌进行分析。结果表明: 配方H使用的最优工艺为除锈反应时间1 h、反应温度40 ℃、缓蚀抑雾剂用量1.5%、工业盐酸质量分数30%; 多次试验显示配方H在最优工艺下的缓蚀率和抑雾率均达到90%以上;配方H在除锈时的缓蚀抑雾效果显著。
Abstract
In order to solve the issue of hydrochloric acid corrosion to iron and volatilization of hydrochloric acid, eight types of inhibitors for corrosion and acid mist of hydrochloric acid were compared, then the best type of H was picked out, and its process conditions was optimized by single factor and orthogonal experiments. The microstructure of iron unwashed and washed by acid was analyzed by SEM. The results showed that the optimal process of type H was as follow: reaction time of 1 h, reaction temperature of 40 ℃, inhibitor concentration of 1.5wt%, and the concentration of industrial hydrochloric acid of 30wt%. Under the optimal conditions, efficiency of inhibition to corrosion and to acid mist was more than 90%. Inhibitor H showed significant inhibitory effect on the removal of rust in HCl.
中图分类号 TG174.42 DOI 10.11973/fsyfh-201610016
所属栏目 应用技术
基金项目 武汉科技大学校基金项目(250089); 煤转化与新型炭材料湖北省重点实验室2013年开放基金项目(WKDM201302); 煤转化与新型炭材料湖北省重点实验室开放基金(WKDM201509)
收稿日期 2015/4/14
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备注程正载(1967-),教授,博士,从事精细化工研究,
引用该论文: YAN Xiao-chao,XU Jia-hui,LIU Feng-bo,ZHANG Wei-xing,CHENG Zheng-zai. Preparation and Application of an Acid Mist lnhibitor[J]. Corrosion & Protection, 2016, 37(10): 855
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参考文献
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【5】姜力强,李华,郑精武. 盐酸酸洗液缓蚀抑雾剂的研究[J]. 材料保护,2003,36(3): 133-135.
【6】SHAKARJI A,YINGHE R,GREGORY H S. Statistical analysis of the operating parameters on acid mist generation in copper electro winning[J]. Hydrometallurgy,2011(106): 113-118.
【7】刘彦峰,刘世川,陈晓东,等. 盐酸酸洗缓蚀抑雾剂MY的研究[J]. 应用化工,2008,37(1): 51-53.
【8】何桥,张胜涛,李伟华. 酸性介质中新型三唑类缓蚀剂在碳钢上的吸附行为[J]. 腐蚀与防护,2008,29(5): 243-246.
【9】姜德成,刘福国. 新型三唑衍生物缓蚀剂在HCl中的缓蚀性能[J]. 中国腐蚀与防护学报,2008,28(4): 231-234.
【10】许奕春,汤兵,付丰连,等. 绿色聚天冬氨酸复配缓蚀剂对A3碳钢的缓蚀抑雾作用[J]. 物理化学学报,2010,26(5): 1225-1232.
【11】王刚,历丽,张智颖. 缓蚀抑雾型盐酸除锈剂的研制[J]. 电镀与环保,2014,34(5): 35-38.
【12】虞翔,孙彦琳,王红,等. 酸雾抑制方法的研究与进展[J]. 化工科技,2013,21(3): 67-71.
【13】CHENGAC Y,UR BANIA M D,MIOVSKIA P,et al. Evaluation of saponins as acid mist suppressants in zinc electro winning[J]. Hydrometallurgy,2004(73): 133-145.
【14】DHAK D,MAHON M,ASSELIN E,et al. The effects of mixtures of acid mist suppression reagents on zinc electro winning from spent electrolyte solutions[J]. Hydrometallurgy,2011(108): 1-10.
【15】张光华,杨建桥,高文军. XQ多功能缓蚀抑雾剂的性能研究[J]. 材料保护,2001,34(2): 13-15.
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