Effect of ozone on corrosion behavior of mild steel in seawater

Liao, Jinsun; Kishimoto, Keiji; Yao, Masahiko; Mori, Yasutane; Ikai, Michiaki

doi:10.1016/j.corsci.2011.10.020

Cited by 15 publications

(6 citation statements)

References 17 publications

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“…Further mechanistic insights in the corrosion of steel in hypochlorite containing and ozonated artificial tap water solutions are not possible from this study alone. However, it has been suggested in the literature that oxidation of mild steel in ozonated sea water results in the formation of a protective surface oxide due to the incorporation of calcium and magnesium ions in the surface film (Liao et al 2012). This is supported by our observation that Ca-containing insoluble corrosion products formed increasingly with exposure time.…”

Section: Comparison Of Surface Disinfectants For Water Facilities-corsupporting

confidence: 87%

Comparison of different surface disinfection treatments of drinking water facilities from a corrosion and environmental perspective

Romanovski

Claesson

Hedberg

2020

Environ Sci Pollut Res

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Surface disinfection of water facilities such as water wells requires measures that can remove pathogens from the walls to ensure a high drinking water quality, but many of these measures might increase corrosion of the contact surfaces (often highly pure steel) and affect the environment negatively due to disinfectant-contaminated waste sludge and wastewater. Today, most treatments worldwide are based on hypochlorites. We investigated the extent of corrosion during treatments of steel at relevant conditions of ozone, sodium, and calcium hypochlorite for drinking water preparation, utilizing weight loss, electrochemical, solution analytical, and surface analytical methods. The ozone treatment caused significantly less corrosion as compared with sodium or calcium hypochlorite with 150-250 mg/L active chlorine. Hypochlorite or other chlorine-containing compounds were trapped in corrosion products after the surface disinfection treatment with hypochlorite, and this risked influencing subsequent corrosion after the surface disinfection treatment. A life cycle impact assessment suggested ozone treatment to have the lowest negative effects on human health, ecosystems, and resources. Calcium hypochlorite showed the highest negative environmental impact due to its production phase. Our study suggests that ozone surface disinfection treatments are preferable as compared with hypochlorite treatments from corrosion, economic, and environmental perspectives.

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Section: Comparison Of Surface Disinfectants For Water Facilities-corsupporting

confidence: 87%

Comparison of different surface disinfection treatments of drinking water facilities from a corrosion and environmental perspective

Romanovski

Claesson

Hedberg

2020

Environ Sci Pollut Res

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“…When the applied potential reaches above 1.1 V SHE , the current density starts to enlarge noticeably because of the oxygen evolution in equation (2) (Ninlachart and Raja, 2017; Cheng et al , 2018): It is seen from Figure 5 that the oxygen evolution potential decreases slightly from about 1.19 V SHE to 1 V SHE with increasing solution temperature from 25°C to 80°C. The oxygen evolved on the specimen surface may reduce the pitting sensitivity of SS (Liao et al , 2012; Wyllie and Duquette, 1998). When the temperature reaches 55°C, a rapid increase of current density appears in the potential region of oxygen evolution.…”

Section: Resultsmentioning

confidence: 99%

Electrochemical corrosion behavior of type 444 stainless steel in synthetic tap water at different temperatures

Zhang

Liu

et al. 2020

ACMM

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Purpose The purpose of this paper is to investigate the electrochemical corrosion behavior of type 444 stainless steel (SS) in synthetic tap water from 25°C to 80°C, i.e. the operation environment of the electric water heater. Design/methodology/approach The corrosion behavior was studied by using electrochemical measurements such as electrochemical impedance spectroscopy and polarization curve. The specimen surfaces were observed with scanning electron microscopy. The passive films were characterized with X-ray photoelectron spectroscopy. Findings In the typical tap water, 444 SS passivates spontaneously under different temperatures. The passive films formed at higher temperatures contain relatively less Cr-species and more Cl− ions, resulting in lower polarization resistances. The stable pitting corrosion takes place in the potential region of oxygen evolution as the temperature increases to about 55°C. The critical Cl− concentration of pitting corrosion reduces from about 160 mg L−1 to 60 mg L−1 with changing temperature from 25°C to 80°C. Practical implications The pitting corrosion probability was assessed through the statistical analysis of tap water quality. The results are useful for the application of 444 SS as well as the design of electric water heater. Originality/value This paper shows the variation of polarization resistance, pitting potential, passive film composition and critical pitting chloride concentration with the temperature of tap water. It is of great significance for the development and application of SS in tap water environments.

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“…2) Liao et al reported that the corrosion of mild steel in seawater was inhibited by the formation of oxide films containing Mg and Ca in seawater in addition to Fe. 3) As for the effect of ozone in the gas phase, though it is in the case of quite high ozone concentration (4.5 vol%), it has been reported that ozone results in formation and peeling off of thick oxide film on SUS316 stainless steel. 4) However, the effect of ozone in high humidity conditions has not been clarified.…”

Section: Introductionmentioning

confidence: 99%

Corrosion Monitoring of Carbon Steel in Non-Irradiated, Humidity-Controlled Environments Simulating Gamma-Ray Irradiation

et al. 2022

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To evaluate the effect of oxidants, which are formed by radiolysis of water under gamma-ray irradiation, on the corrosion of a carbon steel in a humid environment, ozone was introduced as a model oxidant into humidity-controlled air at 50°C in a thermo-hygrostat chamber. Corrosion monitoring of carbon steel was performed by using an Atmospheric Corrosion Monitor-type (ACM) sensor consisting of a carbon steel anode and an Ag cathode, and a Resistmetric Corrosion Monitor (RCM) sensor consisting of carbon steel sheets. The corrosion rates obtained from the outputs of the sensors were increased with the increase in relative humidity and were obviously increased with the increase in the introduced ozone concentration at each relative humidity, indicating that ozone accelerates the corrosion of the carbon steel. The effect of ozone on the corrosion acceleration is attributed to its easy reduction reaction and/or fast dissolution reaction into water compared to that of oxygen.

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Effect of ozone on corrosion behavior of mild steel in seawater

Cited by 15 publications

References 17 publications

Comparison of different surface disinfection treatments of drinking water facilities from a corrosion and environmental perspective

Comparison of different surface disinfection treatments of drinking water facilities from a corrosion and environmental perspective

Electrochemical corrosion behavior of type 444 stainless steel in synthetic tap water at different temperatures

Corrosion Monitoring of Carbon Steel in Non-Irradiated, Humidity-Controlled Environments Simulating Gamma-Ray Irradiation

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