超临界CO2-水环境中杂质对二氧化碳传输管线钢腐蚀行为的影响YOON-SEOK CHOI,SRDJAN NESIC,ANDDAVID YOUNGInstitute for Corrosion and Multiphase Technology,Department of Chemical & Biomolecular Engineering,Ohio University,Athens,Ohio 45701,United StatesReceived August 3,2010. Revised manuscript received September 29,2010. Accepted October 22,2010.摘要:碳钢的腐蚀特性是由在CO2为8 MPa,温度50,以O2和SO2为杂质的具有CO2饱和水相和水饱和CO2相的高温高压容器中模拟碳的开采和储存技术中CO2传输管线的腐蚀来评价的。结果显示碳钢在CO2饱和水溶液中的腐蚀速度是非常高的,并且随着体系中O2的引入而提高,因为O2对保护性FeCO3膜形成的抑制作用。值得注意的是腐蚀发生在没有游离态水存在超