全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

月桂酸和硫脲在饱和CO2和SRB共存污水中缓蚀行为的研究

DOI: 10.11903/1002.6495.2014.208, PP. 219-225

Keywords: CO2腐蚀,微生物,缓蚀剂,20#碳钢

Full-Text   Cite this paper   Add to My Lib

Abstract:

通过电化学方法、腐蚀失重法、超景深三维立体显微镜和菌量测定等方法,研究了常用缓蚀剂(月桂酸、硫脲)在含有硫酸盐还原菌(SRB)的饱和CO2产出水中的缓蚀行为。结果表明在无菌饱和CO2介质中,月桂酸、硫脲对碳钢的最大缓蚀率分别为98.6%和94.6%,且二者均是主要控制阴极抑制型缓蚀剂。在含SRB饱和CO2介质中,月桂酸和硫脲的缓蚀性能下降,缓蚀率分别只有62.9%和53.5%,且碳钢试片表面出现大量腐蚀坑。菌量测定结果表明,月桂酸和硫脲能够促进SRB生长,且SRB代谢产物阻碍月桂酸和硫脲在碳钢金属表面吸附,因此,这两种缓蚀剂均不适用于含有SRB的工况环境中。

References

[1]  Wu Q, Zhang Z, Dong X, et al. Corrosion behavior of low-alloy steel containing 1% chromium in CO 2 environments [J]. Corros. Sci., 2013, 75: 400
[2]  Lin Y, Zhu D, Zeng D Z, et al. Experimental studies on?corrosion?of cement in?CO 2 ?injection wells under supercritical conditions [J]. Corros. Sci., 2013, 74: 13
[3]  Pfennig A, Wiegand R, Wolf M, et al. Corrosion?and?corrosion?fatigue of AISI 420C (X46Cr13) at 60?℃ in?CO 2 -saturated artificial geothermal brine [J]. Corros. Sci., 2013, 68: 134
[4]  郑家燊, 吕占鹏. 二氧化碳腐蚀机理及影响因素 [J]. 石油学报, 1995, 16(3): 134
[5]  Schmitt G A, Mueller M A. Critical wall shear stresses in CO 2 corrosion of carbon steel [A]. Corrosion 99 [C]. Housten: NACE, 1999
[6]  Xia Z, Chou K C, Szkarska-Smialowska Z. Pitting corrosion of carbon steel in CO 2 -containing NaCl brine [J]. Corrosion, 1989, 45(8):636
[7]  Coutinho C M L M, Magalh?es F C M, Araújo-Jorge T C. Scanning electron microscope study of biofilm formation at different flow rates over metal surfaces using sulphate-reducing bacteria [J]. Biofouling, 1993, 7(1): 19
[8]  Graham B, David T P. Surface charge characteristics of sulphate-reducing bacteria and the initiation of a biofilm on mild steel surfaces [J]. Biofouling, 1990, 2(4): 299
[9]  Iwona B B, Cheung C W, Johnson D B, et al. Comparative studies of bacterial biofilms on steel surfaces using atomic force microscopy and environmental scanning electron microscopy [J]. Biofouling, 1996, 10(1-3): 65
[10]  Newman R C, Webster B J, Kelly R G. The electrochemistry of SRB corrosion and related inorganic phenomena [J]. ISIJ Int., 1991,
[11]  31(2): 201
[12]  Beech I B, Sunner J. Biocorrosion: towards understanding interactions between biofilms and metals [J]. Current Opinion Biotechnol., 2004, 15(3): 181
[13]  Wang H, Hu C, Hu X, et al. Effects of disinfectant and biofilm on the corrosion of cast iron pipes in a reclaimed water distribution system [J]. Water Res., 2012, 46(4): 1070
[14]  Monticelli C, Frignani A, Trabanelli G. Corrosion inhibition of steel in chloride-containing alkaline solutions [J]. J. Appl. Electrochem., 2002, 32(5): 527
[15]  尹成先,?兰新哲, 冯耀荣等. 在高CO 2 和Cl - 环境中硫脲的缓蚀行为及其对复配缓蚀剂性能的影响 [J]. 腐蚀科学与防护技术, 2006, 18(5): 334
[16]  吕战鹏, 郑家燊, 刘江鸿等. 硫脲衍生物对CO 2 饱和水溶液中碳钢缓蚀性能的研究 [J]. 腐蚀与防护, 1999, 20(1): 18
[17]  Nam N D, Bui Q V, Mathesh M, et al. A study of 4-carboxyphenylboronic acid as a corrosion inhibition for steel in carbon dioxide containing environments [J]. Corros. Sci., 2013, 76: 257
[18]  刘宏芳, 许立铭. 硫酸盐还原菌生物膜下钢铁腐蚀研究概况 [J]. 油田化学, 2000, 17(1): 93

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133