咪唑啉/乙二胺四甲叉膦酸钠复配缓蚀阻垢剂的性能
Performance of Corrosion and Scaling Inhibitors Prepared by Imidazoline and EDTMPS
摘 要
采用静态阻垢试验筛选出具有优异阻垢性能的阻垢剂乙二胺四甲叉膦酸钠（EDTMPS），同时采用室内静态挂片法筛选出具有良好缓蚀性能的缓蚀剂咪唑啉，将两者进行复配，确定了最优配方，并考察了最优配方缓蚀阻垢剂的性能及其缓蚀阻垢机理。结果表明:最优配方为EDTMPS与咪唑啉质量比3∶1，此配方对CaCO3垢的阻垢率为91.3%，对CaSO4垢的阻垢率为98.8%，对BaSO4垢的阻垢率为46.5%，缓蚀率为76.6%;复配缓蚀阻垢剂对CaCO3垢的阻垢性随着加入量的增多、溶液中Ca2+含量的减少、试验温度的降低而上升。
咪唑啉
缓蚀阻垢性能
缓蚀阻垢机理
EDTMPS
imidazoline
corrosion and scale inhibition performances
mechanism of scale and corrosion inhibitor
Abstract
Through the static antiscaling experiment, the scale inhibitor with excellent scale inhibition performance, ethylene diamine tetramethylene phosphonic acid sodium (EDTMPS), was screened out. At the same time, a imidazoline derivate with good corrosion inhibition was mixed with EDTMPS with a ratio of 1∶3 (wimidazoline∶wEDTMPS) and the mixture exhibited excellent performances for the inhibition of corrosion and scaling. Then its scale inhibition performances were investigated and the results showed that the scale inhibition rate to CaCO3 was up to 91.3%, the scale inhibition rate to CaSO4 was 98.8%, the scale inhibition rate to BaSO4 was 46.5%, the anticorrosive rate achieved 76.6%. It was found that the scale inhibition efficiency of the optimal scale and corrosion inhibitor increased with the increase of the scale and corrosion inhibitor dosage, the decrease of Ca2+ concentration and the decrease of temperature.
中图分类号 TG174.42 DOI 10.11973/fsyfh201607015
所属栏目 试验研究
基金项目
收稿日期 2015/8/10
修改稿日期
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备注石国军(1974-),副教授,博士,从事油田化学相关研究
引用该论文: WANG Jiajia,SHI Guojun,JI Yanjuan. Performance of Corrosion and Scaling Inhibitors Prepared by Imidazoline and EDTMPS[J]. Corrosion & Protection, 2016, 37(7): 602
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参考文献
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【3】DYER S J,GRAHAM G M. The effect of temperature and pressure on oilfield scale formation\[J\]. Journal of Petroleum Science and Engineering,2002(35):95107.
【4】KUMAR T,VISHWANATHAM S,KUNDU S S. A laboratory study on pteroylLglutamic acid as a scale prevention inhibitor ofcalcium carbonate in aqueous solution of synthetic produced water\[J\]. Journal of Petroleum Science and Engineering,2010(71):17.
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【7】袁玉英,白芳,王永生,等. 鄯善油田油井腐蚀结垢机理研究及防治技术\[J\]. 吐哈油气,2012,17(1):7376.
【8】KETRANE R,SAIDANI B,Gil O. Efficiency of five scale inhibitors on calcium carbonate precipitation from hard water:effect of temperature and concentration\[J\]. Desalination,2009(249):13971404.
【9】ZHAO L,TENG H K,YANG Y S,et al. Corrosion inhibition approach of oil production systems in offshore oilfields\[J\]. Materials and Corrosion,2004(55):684688.
【10】GU T,SU P C,LIU X Y,et al. A composite inhibitor used in oilfield:MAAMPS and imidazoline\[J\]. Journal of Petroleum Science and Engineering,2013(102):4146.
【11】TANG Y M,YANG W Z,YIN X S,et al. Investigation of CaCO3 scale inhibition by PAA,ATMP and PAPEMP\[J\]. Desalination,2008(228):5560.
【12】ABDELAAL N,SAWADA K. Inhibition of adhesion and precipitation of CaCO3 by aminopolyphosphonate\[J\]. Journal of Crystal Growth,2003(256):188200.
【13】夏明珠,雷武,戴林宏,等. 膦系阻垢剂对碳酸钙阻垢机理的研究\[J\]. 化学学报,2010,68(2):143148.
【14】ZHOU X H,SUN Y H,WANG Y Z. Inhibition and dispersion of polyepoxysuccinate as a scale inhibitor\[J\]. Journal of Environmental Sciences,2011(23):S159S161.
【15】LIU D,DONG W B,LI F T,et al. Comparative performance of polyepoxysuccinic acid and polyaspartic acid on scalinginhibition by static and rapid controlled precipitation methods\[J\]. Desalination,2012(304):110.
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