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首页> 外文会议>NACE annual conference & exposition >FIELD EVALUATION OF CORROSION CONTROL USINGREGENERATIVE BIOFILMS (CCURB)
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FIELD EVALUATION OF CORROSION CONTROL USINGREGENERATIVE BIOFILMS (CCURB)

机译：利用再生生物膜（CCURB）进行腐蚀控制的现场评估

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Closed-loop sidestream systems that simulate the service water conditions at energy generating facilitiesare being used to evaluate the concept of corrosion control using regenerative biofilms (CCURB) atThree Mile Island Nuclear Power Station. These biological treatments are being developed asalternatives to the use of biocides and chemical inhibitors for controlling corrosion. Electrochemicalimpedance spectroscopy (EIS) measurements were performed on small metal disc specimens of mildsteel, stainless steel, and cartridge brass under different flow conditions in service water inoculated witha consortium of adapted CCURB bacteria (test sidestream). A comparison of the electrochemical andSEM results for the test specimens with those for metal samples simultaneously exposed to unalteredservice water (control sidestream) indicates that the CCURB bacteria reduced the corrosion rates ofthese materials under simulated service water conditions. Pitting analyses of the brass specimens verifythe conclusions based on electrochemical results. The results obtained so far suggest that this “probiotic”approach to controlling corrosion in industrial settings may be possible.
机译：在三英里岛核电站，使用模拟能量产生设施中服务用水状况的闭环侧流系统来评估使用再生生物膜（CCURB）进行腐蚀控制的概念。这些生物处理方法正在替代使用杀生物剂和化学抑制剂来控制腐蚀。电化学阻抗谱（EIS）测量是在不同流量条件下，在用适应性CCURB细菌群落接种的非饮用水中，对低碳钢，不锈钢和盒式黄铜的小金属圆盘样品进行的（测试侧流）。将试样的电化学和SEM结果与同时暴露于未改变的使用水（​​控制侧流）的金属样品的电化学和SEM结果进行比较，结果表明CCURB细菌在模拟使用水条件下降低了这些材料的腐蚀速率。黄铜试样的点蚀分析基于电化学结果验证了结论。迄今为止获得的结果表明，这种“益生菌”方法可以在工业环境中控制腐蚀。

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  • 会议地点 San Diego, CA(US)
  • 作者

    P. J. Arps; L-C. Xu; R. M. Green; T. K. Wood; F. B. Mansfeld; B. C. Syrett; J. C. Earthman;

  • 作者单位

    Department of Chemical Engineering and Materials ScienceThe Henry Samueli School of EngineeringUniversity of CaliforniaIrvine CA 92697-2575;

    AmerGen Energy Co. LLCThree Mile Island Route 441 SouthMiddletown PA 17057-0480;

    Departments of Chemical Engineering & Molecular and Cell BiologyUniversity of ConnecticutStorrs CT 06269-3222;

    Department of Materials Science and EngineeringUniversity of Southern CaliforniaLos Angeles CA 90089-0241;

    Electric Power Research InstituteP.O. Box 10412Palo Alto CA 94303;

    Department of Chemical Engineering and Materials ScienceThe Henry Samueli School of EngineeringUniversity of Californi;

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