Article(id=1242132412688314426, tenantId=1146029695717560320, journalId=1146031591421210625, issueId=1242132405067264043, articleNumber=null, orderNo=5, doi=10.3981/j.issn.1000-7857.2014.24.003, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1397491200000, receivedDateStr=2014-04-15, revisedDate=1404921600000, revisedDateStr=2014-07-10, acceptedDate=null, acceptedDateStr=null, onlineDate=1409128492610, onlineDateStr=2014-08-27, pubDate=1409155200000, pubDateStr=2014-08-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1409128492610, onlineIssueDateStr=2014-08-27, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1774077044885, creator=sys-migrate, updateTime=1774077044885, updator=sys-migrate, issue=Issue{id=1242132405067264043, tenantId=1146029695717560320, journalId=1146031591421210625, year='2014', volume='32', issue='24', pageStart='1', pageEnd='95', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=3, issueType=-1, specialIssue=null, createTime=1774077043069, creator=sys-migrate, updateTime=1774077043069, updator=sys-migrate, preIssue=null, nextIssue=null, ext=null, issueFiles=null}, startPage=31, endPage=34, ext={EN=ArticleExt(id=1242132417448846180, articleId=1242132412688314426, tenantId=1146029695717560320, journalId=1146031591421210625, language=EN, title=Influence of S^2-Concentration on the Corrosion Resistance of 10^# Carbon Steel in Saline Wastewater, columnId=1242116080374710456, journalTitle=Science & Technology Review, columnName=Articles, runingTitle=null, highlight=null, articleAbstract=The corrosion of a refinery heat exchanger, especially a water-phase heat exchanger, is a serious issue. The corrosion perforation and scaling of tubes are the main causes for the heat exchanger failure due to the existence of plenty of S^2-, Cl^-, Ca²⁺ and Mg²⁺ in the corrosion medium. Based on the experience of corrosion of refinery heat exchanger tubes (10^# carbon steel) in their operation processes, the corrosion behaviors of 10^# carbon steel in saline wastewater with different S^2-concentrations are investigated by means of the immersion test and the electrochemical methods. The surface photographs and the compositions of corrosion products are taken and determined by digital camera and X-ray diffraction spectrometer. The experiment results indicate that the uniform corrosion rates of 10^# steel decrease gradually with the increase of the S^2-concentration in the corrosion medium within the scope of the test. The corrosion degree of 10^# carbon steel comes down to a moderate corrosion from a heavy corrosion when the S^2-concentration in the medium is higher than 250 mg/L. XRD results show that the main compositions of the corrosion products are Fe₃O₄, CaCO₃ and FeS. Meanwhile, Cl^- in the corrosion medium can penetrate the corrosion product to accumulate and produce the pit corrosion on the surface of 10^# carbon steel because of the existence of Cl^-when the S^2-concentration in the medium was less than 100 mg/L. And the pitting corrosion resistance becomes worse with the decrease of the S^2-concentration., correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=I8M/hxUBftKmIKPV4h2GtA==, pdfFileSize=1940689, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=1. Xi'an Sunward Aerospace Materials Co., Ltd., Xi'an 710025, China;
2. Tubular Engineering Research Institute of China National Petroleum Corporation, Xi'an 710065, China, fund=null, authors=GUO Lin¹, XU Xiuqing², authorsList=GUO Lin, XU Xiuqing), CN=ArticleExt(id=1242132416266055752, articleId=1242132412688314426, tenantId=1146029695717560320, journalId=1146031591421210625, language=CN, title=S^2-浓度对含盐污水中10^#碳钢腐蚀性能的影响, columnId=1146540929516700224, journalTitle=科技导报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=目前中国的炼油厂换热器多采用碳钢材质，换热器是石化设备中失效最快、损失最严重的设备之一，尤其是水相换热器的腐蚀更为严重。水相介质中通常含有一定量的S^2-、Cl^-、Ca²⁺和Mg²⁺，关于碳钢在含硫介质中的腐蚀行为，国内多数研究方向是应力情况下硫化物引起的应力腐蚀开裂问题，无应力状态下碳钢在含硫介质中的腐蚀行为研究得比较少。本文针对兰州石化某常减压装置换热器管束（主要材质10^#碳钢）在使用过程中的腐蚀问题，采用高温高压釜实验和电化学测试方法，研究壳程介质中S^2-浓度对10^#碳钢在含盐污水中腐蚀行为的影响，利用宏观照片和X 射线衍射仪XRD 表征腐蚀产物的形貌和相结构组成。实验结果表明，在测试区间内，随着腐蚀介质中S^2-含量的增加，试样表面生成的FeS 使得碳钢的均匀腐蚀速率逐渐降低，当介质中S^2-含量升高到250 mg/L 时，碳钢换热器管束的腐蚀程度由严重腐蚀转变为中度腐蚀，XRD 分析结果显示腐蚀产物为Fe₃O₄、CaCO₃和FeS；同时，当腐蚀介质中S^2-含量小于100 mg/L 时，由于介质中侵蚀性Cl^-存在，溶液中的Cl^-更容易穿过疏松的腐蚀产物膜层到达膜与基体界面处腐蚀基体，使得碳钢表面出现明显的点蚀现象，且介质中S^2-含量越低，试样抗点蚀性能越差。, correspAuthors=null, authorNote=郭霖，高级工程师，研究方向为金属材料的腐蚀与防护，电子信箱：guolin@aeromat.cn, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=ATIWx8eifPZAIEzM4QmhMQ==, pdfFileSize=1940689, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=1. 西安向阳航天材料股份有限公司, 西安 710025;
2. 中国石油天然气集团公司石油管工程技术研究院, 西安 710065, fund=null, authors=郭霖¹, 徐秀清², authorsList=郭霖, 徐秀清)}, authors=null, keywords=[Keyword(id=1242132415888568386, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1242132412688314426, language=CN, orderNo=1, keyword=10^#碳钢), Keyword(id=1242132415964065860, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1242132412688314426, language=CN, orderNo=1, keyword=S^2-浓度), Keyword(id=1242132416035369028, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1242132412688314426, language=CN, orderNo=1, keyword=含盐污水), Keyword(id=1242132416127643718, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1242132412688314426, language=CN, orderNo=1, keyword=腐蚀速率), Keyword(id=1242132416983278431, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1242132412688314426, language=EN, orderNo=1, keyword=10^# carbon steel), Keyword(id=1242132417096524640, 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