采用正交试验法和静态挂片失重法，研究了以油酸和三乙烯四胺为反应物、二甲苯为携水剂，且适合某模拟采出水的眯唑啉缓蚀剂的性能及其合成条件。通过红外光谱、静态腐蚀失重、电化学测试和扫描电镜等方法，研究了昧唑啉分子结构和缓蚀性能。结果表明，眯唑啉最佳合成反应条件为酸胺比为1．0：3．1，合成温度为190℃，反应时间为7h，此时缓蚀效率达到90％；该类型缓蚀剂在低于60℃介质环境中，最佳使用浓度为300mg／L，此时缓蚀率为93％，使用周期约为30h；极化曲线表明，该缓蚀剂为混合型缓蚀剂；扫描电镜表明，缓蚀剂抑制了腐蚀反应和腐蚀产物的生长。
An imidazoline inhibitor was synthesized from oleic acid and diethylenetriamine as reactants, and triethylenetetramine as water carrying agent, The influences of inhibitor concentration, synthesis temperature and reaction time on corrosion inhibition performance were studied by orthogonal experiment and weight loss method. The molecular structure and corrosion inhibiting performance were studied by infrared spectrum, weight loss testing, electrochemiscal measurement and SEM. Results indicate that the optimized parameters for the synthesis are as follows： the ratio of oleic acid to triethylenetctramine is 1.0 ： 3.1, synthesis temperature is 190℃, reacting time is 7h. Under the optimal syntketic react;on conditions, the corrosion inhibition efficiency of the prepared inhibitor is over 90%. The optimized temperature and concentration for using this inhibitor are below 60℃ and 300my/L, respectively, at this concentration the corrosion inhibition efficiency is over 93%. The electrochemiscal polarization curves show that the inhibitor can be classified as a mixed type corrosion inhibitor. SEM indicated that the inhibitor prevented corrosion reaction and blocked the growth of the corrosion product.
参考文献
| [1] | 黎洪珍,罗立然,李娅,李明国.油管腐蚀原因分析及腐蚀评价[J].天然气工业,2003(z1):107-110. |
| [2] | 李家俊,王素芳,吴涛,刘玉民,滕厚开.双咪唑啉缓蚀剂的合成与性能研究[J].工业水处理,2009(03):23-25. |
| [3] | 关建宁,宋娜,张金俊,孔祥君,王锦堂.咪唑啉型缓蚀剂合成方法的研究进展[J].工业水处理,2009(04):9-12. |
| [4] | 马涛,张贵才,葛际江,蒋平,汤达祯.不同腐蚀介质中改性咪唑啉的缓蚀性能[J].西南石油大学学报,2008(01):137-139. |
| [5] | 邢静.合成咪唑啉缓蚀剂在油田水中的模拟试验[J].腐蚀与防护,2009(05):322-324. |
| [6] | 上官昌淮,杜旭东,邹传黎.CO2/H2S介质下的缓蚀剂研究现状[J].石油化工腐蚀与防护,2009(06):8-10,27. |
| [7] | 李言涛,张玲玲,郑凤,张仕强,杜敏,侯保荣.用于川西气田CO2腐蚀控制的缓蚀剂性能的研究[J].材料保护,2008(05):70-73. |
| [8] | 李谦定,王京光,于洪江,周佩.一种新型高效油气井酸化缓蚀剂的研制[J].天然气工业,2008(02):96-98. |
| [9] | 杨永飞,姚军,赵修太,赵晓珂.曼尼希碱和季铵盐高温酸化缓蚀剂性能对比[J].西南石油大学学报（自然科学版）,2009(02):121-124. |
| [10] | 王霞,上官昌淮,胡志强.2-氨乙基十七烯基咪唑啉缓蚀性能评价[J].精细石油化工,2010(01):39-43. |
| [11] | 王京光,于洪江,李谦定.一种曼尼希碱型盐酸酸化缓蚀剂的研制[J].西安石油大学学报（自然科学版）,2007(03):77-79. |
| [12] | 刘华荣,徐立丹,陈武,梅平.油酸咪唑啉的合成及其缓蚀性能研究[J].长江大学学报（自然科学版）,2006(01):22-24. |
| [13] | 李友清,唐和清.一种高效复合缓蚀剂的性能研究与应用[J].材料保护,2008(04):51-54. |
- 下载量()
- 访问量()
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%