Cathodic protection of carbon steel in simulated geothermal environments

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The applicability of cathodic protection to mitigate corrosion of carbon steel in two different environments containing H{sub 2}S has been investigated using impressed current and sacrificial anode techniques. Results of impressed current tests conducted under potential control shows that the weight loss can be reduced significantly by shifting the potential of the metal 60 to 80 mV cathodic to the open circuit potential. The relationship between the applied current and the potential shift shows that the current requirement does not necessarily increase with the voltage shift, thus implying that the cost of cathodic protection may not increase in proportion to ... continued below

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87-92

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Bandy, R. & van Rooyen, D. October 8, 1982.

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Description

The applicability of cathodic protection to mitigate corrosion of carbon steel in two different environments containing H{sub 2}S has been investigated using impressed current and sacrificial anode techniques. Results of impressed current tests conducted under potential control shows that the weight loss can be reduced significantly by shifting the potential of the metal 60 to 80 mV cathodic to the open circuit potential. The relationship between the applied current and the potential shift shows that the current requirement does not necessarily increase with the voltage shift, thus implying that the cost of cathodic protection may not increase in proportion to the protection achieved. The feasibility of using zinc as a sacrificial anode in the environment of interest has also been studied.

Physical Description

87-92

Source

  • Proceedings of the Geothermal Engineering Materials (GEM) Program Conference, San Diego, CA, October 6-8, 1982

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  • Report No.: DOE/ET/27026-2-2
  • Report No.: CONF-821075
  • Grant Number: AC02-79ET27026
  • Grant Number: AC03-81SF11503
  • Office of Scientific & Technical Information Report Number: 890114
  • Archival Resource Key: ark:/67531/metadc884461

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • October 8, 1982

Added to The UNT Digital Library

  • Sept. 21, 2016, 2:29 a.m.

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  • Nov. 22, 2016, 10:04 p.m.

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Bandy, R. & van Rooyen, D. Cathodic protection of carbon steel in simulated geothermal environments, article, October 8, 1982; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc884461/: accessed December 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.