Study on Corrosion Inhibition of Glutaraldehyde for 304 Stainless Steel in Simulated Cooling Water Containing Sulfate-Reducing Bacteria

Wei Wei Lin; Hong Hua Ge; Li Zhao; Xue Juan Wang

doi:10.4028/www.scientific.net/AMR.785-786.38

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 785-786Study on Corrosion Inhibition of Glutaraldehyde...

Study on Corrosion Inhibition of Glutaraldehyde for 304 Stainless Steel in Simulated Cooling Water Containing Sulfate-Reducing Bacteria

Abstract:

Corrosion control of glutaraldehyde biocide for 304 stainless steel in simulated cooling water system containing sulfate-reducing bacteria (SRB) was studied by electrochemical impedance spectroscopy (EIS) and potentiodynamic polarization. The results revealed that impedance values of stainless steel electrode increased gradually while the passive current densities decreased with the increasing concentration of glutaraldehyde. The biocide improved good anti-corrosion performance to stainless steel in bacteria system. The impedance value |Z|_0.05 increased from 19.72 kΩ·cm²to 33.77 kΩ·cm², and the passive current density reduced from 0.93 μA·cm^-2to 0.16 μA·cm^-2 when the glutaraldehyde concentration reached 80 mg/L.

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Periodical:

Advanced Materials Research (Volumes 785-786)

Pages:

38-41

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.785-786.38

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Online since:

September 2013

Authors:

Wei Wei Lin*, Hong Hua Ge, Li Zhao, Xue Juan Wang

Keywords:

Electrochemical Impedance Spectroscopy (EIS), Glutaraldehyde, Microbiologically Induced Corrosion, Polarization Curve, Stainless Steel (SS), Sulfate-Reducing Bacteria (SRB)

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* - Corresponding Author

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