复合型席夫碱缓蚀剂对N80碳钢的缓蚀性能研究
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摘要
在模拟东海某油田采出水条件下,将合成的3种芳香席夫碱[2-(苯亚氨基)甲基苯酚(a),N-(3-苯基烯丙基)苯亚胺(b),2-(亚肉桂基氨基)乙二胺](c)分别与硫脲、乌洛托品、碘化钾、烷基酚聚氧乙烯醚(OP-10)制成复合型缓蚀剂(CI01、CI02、CI03),通过静态失重法、旋转挂片法、极化曲线法、扫描电镜法综合评价了3种缓蚀剂对N80碳钢的缓蚀性能。结果表明,3种席夫碱复配缓蚀剂均有较好的缓蚀性能,其缓蚀率顺序为CI02>CI01>CI03,最高静态缓蚀率为87.2%。
Three novel aromatic Schiff bases[2-(phenylimino)methyl phenol)(a),N-(3-phenylallylidene)benzenamine(b)and 2-(cinnamylideneamino)ethanamine](c)were respectively combined with thiourea,methenamine,potassium iodide,alkylphenol polyethylene oxide ether(OP-10)to prepare corrosion inhibitors(CI01,CI02,CI03).The corrosion inhibition performance of the composite Schiff bases in oilfield produced water was examined by static weight-loss method,dynamic weight-loss method,polarization curves,scanning electron microscope(SEM)photos and energy dispersive spectroscopy(EDS).The results showed that the three compounds were all good inhibitors and performed excellent inhibiting efficiency for N80 steel in oilfield produced water.The order of inhibition efficiency was found as CI02>CI01>CI03,and the inhibiting efficiency of CI02 reached 87.2%.
Three novel aromatic Schiff bases[2-(phenylimino)methyl phenol)(a),N-(3-phenylallylidene)benzenamine(b)and 2-(cinnamylideneamino)ethanamine](c)were respectively combined with thiourea,methenamine,potassium iodide,alkylphenol polyethylene oxide ether(OP-10)to prepare corrosion inhibitors(CI01,CI02,CI03).The corrosion inhibition performance of the composite Schiff bases in oilfield produced water was examined by static weight-loss method,dynamic weight-loss method,polarization curves,scanning electron microscope(SEM)photos and energy dispersive spectroscopy(EDS).The results showed that the three compounds were all good inhibitors and performed excellent inhibiting efficiency for N80 steel in oilfield produced water.The order of inhibition efficiency was found as CI02>CI01>CI03,and the inhibiting efficiency of CI02 reached 87.2%.
引文
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[3]尹成先,冯耀荣,白真权,等.一种用于含Cr油管的高温酸化缓蚀剂:中国,200710178677[P].2010-09-29.
[4]梅建庭,白雪莲,穆中国.船用钢铁复合涂层聚苯胺含量及粒径对防腐性能的影响[J].大连工业大学学报,2015,34(3):199-201.
[5]蔡明建,王秀阁.油田采出水用新型离子液体缓蚀剂的合成及性能评价[J].现代化工,2016,36(5):70-73.
[6]DEYAB M A,KHADIJA E,RACHID E,et al.Experimental Evaluation of New Inorganic Phosphites as Corrosion Inhibitors for Carbon Steel in Saline Water from Oil Source Wells[J].Desalination,2016,383:38-45.
[7]徐南.油田集输站改造工程施工技术[J].油气田地面工程,2014,33(12):85-86.
[8]陈瑶,陈嫂丽,张玲,等.两种席夫碱缓蚀剂对碳钢材料的缓蚀性能探究[J].化学研究与应用,2012,24(9):1 348-1 353.
[9]王盼盼,张会成,何冰,等.咪唑啉季铵盐缓蚀剂的合成及性能研究[J].当代化工,2012,41(12):1 320-1 322.
[10]金瑞娣,田丹,贾雪平.Gemini型表面活性剂在HCl溶液中的缓蚀性能研究[J].化学世界,2012,53(12):712-715.
[11]李文生,于胜青,段玉秀,等.吡啶类与苯胺类缓蚀剂的生产及应用[J].石油工业技术监督,2005,(9):10-11.
[12]MOHAMMAD M,SAMAN Z,MOSARRAT P.1-Cysteine as Corrosion Inhibitor for Mild Steel in HCl and Synergistic Effect of Anionic,Cationic and Nonionic Surfactants[J].J Mol Liq,2016,216:598-607.
[13]覃显灿.席夫碱缓蚀剂的复配性能研究[J].精细石油化工进展,2012,13(9):26-28.