Electrochemical Performance of Q235 Steel in Different Temperature and Different Waste Water

Ying Ying Zhang; Ai Gui Li; Wen Li Han; Bing Zhou; Bei Bei Xie; Chang Ying Zhao; Ping Jun Jia; Guang Meng Jia

doi:10.4028/www.scientific.net/AMR.785-786.25

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 785-786Electrochemical Performance of Q235 Steel in...

Electrochemical Performance of Q235 Steel in Different Temperature and Different Waste Water

Abstract:

Electrochemical Performance of Q235 steel was measured in different temperature and different waste water. The result showed that the protection current of Q235 steel would increase with the temperature increasing.

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Periodical:

Advanced Materials Research (Volumes 785-786)

Pages:

25-30

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.785-786.25

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Online since:

September 2013

Authors:

Ying Ying Zhang, Ai Gui Li, Wen Li Han, Bing Zhou, Bei Bei Xie, Chang Ying Zhao, Ping Jun Jia, Guang Meng Jia

Keywords:

Electrochemical Performance, Temperature, Wastewater

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References

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[30] 5 Dissolved oxygen, pH, temperature, conductivity, and resistivity values were tested on the scene. The conductivity was calculated in accordance with resistivity values. It can be seen from Table 1, the dissolved oxygen content was at 1. 29mg / L ~ 2. 18mg / L, pH value range from 6. 66 to 7. 20. The highest temperature was 68. 0°C for Ren-1, the lowest was 42. 0°C for Ma-1, a difference of 26℃{TTP}8451 . Conductivity was obviously different, the lowest was Ren-1 and the maximum was Ma-1 . The conductivity of Ma-1 was 4. 5 times than Ren-1's. Results of corrosion rate The corrosion current curves of carbon steel electrodes were measured in different media at different temperatures, corrosion rate were calculated by using the software to fit, the results were shown in Table 2. Table 2 Causticity of Oil-waste Water item sampls Temperature on the scene 20℃{TTP}8451 temperature℃{TTP}8451 Corrosion current（mA） Corrosion rate（mm/a） Corrosion current（mA） Corrosion rate（mm/a） Ren-1 68.

077.

[1] 018.

008.

092 Ren-2 60.

091.

[1] 241.