Influence of temperature on the corrosion behavior of API-X100 pipeline steel in 1-bar CO2-HCO3− solutions: An electrochemical study

Eliyan, Faysal Fayez; Alfantazi, Akram

doi:10.1016/j.matchemphys.2013.03.061

Cited by 44 publications

(13 citation statements)

References 25 publications

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“…[27,28] The peaks in the Fe 2p spectra at 711.4 and 724.3 eV correspond to FeCO 3 , and the peak with a binding energy of 717.4 eV is associated with Fe 2 O 3 , [4,29] which originates from the oxidation of Fe 2+ after the specimens are taken out from the autoclave. By combining the XRD results, XPS patterns as well as results of previous literature, [6,30,31] it could be confirmed that both amorphous/crystalline FeCO 3 form at this condition and the matrix-like site is mainly amorphous FeCO 3 to a great degree. [27] In comparison, the precipitation kinetics of FeCO 3 crystals is significantly accelerated when the specimens are immersed in the CO 2 -saturated solutions containing solely HCO 3 − , as shown in Figure 6.…”

Section: Potentiodynamic Polarization Testssupporting

confidence: 72%

“…[4,5] Sodium bicarbonate (NaHCO 3 ) is served as a pH stabilizer proceeding to flow into the pipelines, where its concentration varies from small quantities to high levels, and its purpose is to restrict the general corrosion of pipelines within an acceptable range. [6,7] Several studies have focused on the role of bicarbonate ion (HCO 3 − ) in the corrosion of carbon steel exposed to CO 2 aqueous media [8][9][10][11][12][13][14] and provided an important contribution to the understanding of the corrosion mechanism. A similar result in different conditions was obtained, and it indicated that the elevation of HCO 3 − concentration significantly lowered the corrosion rates of carbon steel pipelines, such as 0.28 g•m −2 •day −1 at the condition of 1-bar CO 2 partial pressure, 0.82 M NaHCO 3 solution and 90°C, [6] along with the noticeable passivation at the condition of 0.5 M NaHCO 3 solution, 7-bar CO 2 and 50°C.…”

Section: Introductionmentioning

confidence: 99%

“…[6,7] Several studies have focused on the role of bicarbonate ion (HCO 3 − ) in the corrosion of carbon steel exposed to CO 2 aqueous media [8][9][10][11][12][13][14] and provided an important contribution to the understanding of the corrosion mechanism. A similar result in different conditions was obtained, and it indicated that the elevation of HCO 3 − concentration significantly lowered the corrosion rates of carbon steel pipelines, such as 0.28 g•m −2 •day −1 at the condition of 1-bar CO 2 partial pressure, 0.82 M NaHCO 3 solution and 90°C, [6] along with the noticeable passivation at the condition of 0.5 M NaHCO 3 solution, 7-bar CO 2 and 50°C. [8] Such observation can at least partly be attributed to the improvement of the precipitation levels of FeCO 3 , as the solubility of Fe 2+ can be reduced by factors of 5 and 100 over the pH range 4-6 after the injection of NaHCO 3 .…”

Section: Introductionmentioning

confidence: 99%

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Corrosion behavior of carbon steel in chloride and bicarbonate ion‐enriched and CO₂‐saturated solutions

Zhang

Hou

et al. 2020

Materials & Corrosion

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This article addresses the knowledge gap in the area of the synergistic effect between Cl− and normalH normalC normalO 3 − by comprehensively evaluating the corrosion behavior of AISI 1020 carbon steel exposed to the CO2‐saturated solutions containing Cl− and/or normalH normalC normalO 3 − over the time period of 6–72 hrs at 60°C. The results show a synergistic mechanism between Cl− and normalH normalC normalO 3 − in the pitting corrosion of carbon steel. normalH normalC normalO 3 − accelerates the localized precipitation of FeCO3 crystals by means of increasing pH and adsorption, which is a prerequisite for pitting initiation. Cl− contributes to the catalytic dissolution of the Fe matrix along with film breakdown via the local accumulation of oxygen vacancies, and the pitting corrosion of carbon steel is, thus, further exacerbated.

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Section: Potentiodynamic Polarization Testssupporting

confidence: 72%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Corrosion behavior of carbon steel in chloride and bicarbonate ion‐enriched and CO₂‐saturated solutions

Zhang

Hou

et al. 2020

Materials & Corrosion

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“…... (1) ... (2) where 'Wu' is the weight loss of zinc without inhibitor, 'Wi' is the weight loss with inhibitor and è is the surface coverage 17 .…”

Section: Weight Loss Measurementsmentioning

confidence: 99%

Improvement in Corrosion Protection of Zinc by A Natural Inhibitor Incorporated with Zinc Oxide Nanoparticles in an Acidic Medium Evaluated using Gravimetric Measurement, Electrochemical Method and Atomic Force Microscopy

Parekh¹,

Ladha²,

Wadhwani³

et al. 2016

Orient. J. Chem

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In this study, the improvement in the corrosion inhibition efficiency of a natural inhibitor (coriander seed extract) incorporated with zinc oxide nanoparticles (np-natural inhibitor) was investigated using the gravimetric method and electrochemical methods. The weight loss method indicated that a 25.7% and 57.1% inhibition efficiency (I%) were found when using 0.66 g/L of natural inhibitor and np-natural inhibitor, respectively. Moreover, as the temperature increases, the I% also increases for both inhibitors, suggesting a chemisorption mechanism. EIS revealed that the polarization resistance value (R p ) of np-natural inhibitor is greater than that of the natural inhibitor, indicated that np-natural inhibitor was more resistive. The Temkin adsorption isotherm gave the best fit for both the inhibitors. Scanning electron microscopy (SEM) and atomic force microscopy (AFM) showed the surface morphology of the zinc metal in the absence and presence of both the inhibitors.

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“…the protective scale formation enhances with increasing concentration of CO 2 which reduces the corrosion rate. Moreover, the solubility of the iron carbonate layer decreases with increasing the pH [19][20][21] . In addition, the medium under the scale layer can cause under deposit corrosion 22,23 and that is why removal of scale or changing its morphology is recommended for preventing corrosion.…”

mentioning

confidence: 99%

Electrochemical and thermodynamic study on the corrosion performance of API X120 steel in 3.5% NaCl solution

Shahzad

Sliem

Shakoor

et al. 2020

Sci Rep

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The present work studied the effect of temperature on the corrosion behavior of API X120 steel in a saline solution saturated with co 2 in absence and presence of polyethyleneimine (pei) as an environmentally safe green inhibitor. The effect of PEI on the corrosion behavior of API X120 steel was investigated using destructive and non-destructive electrochemical techniques. The overall results revealed that PEI significantly decreases the corrosion rate of API X120 steel with inhibition efficiency of 94% at a concentration of 100 μmol L −1. The adsorption isotherm, activation energy and the thermodynamic parameters were deduced from the electrochemical results. It is revealed that the adsorption of PEI on API X120 steel surface follows Langmuir adsorption isotherm adopting a Physichemisorption mechanism. Finally, the samples were characterized using scanning electron microscopy (SEM) and atomic force microscopy (AFM) techniques to elucidate the effect of aggressiveness of corrosive media on the surface morphology and the corrosion performance of API X120 steel. The surface topography result indicates that the API X120 steel interface in PEI presence is smoother than co 2 with cl − ions or cl − ions only. This is attributed to the compact protective film limits the aggressive ions transfer towards the metallic surface and reduces the corrosion rate. Moreover, PEI inhibition mechanism is based on its co 2 capturing ability and the PEI adsorption on the steel surface beside the siderite layer which give the PEI molecules the ability to reduce the scale formation and increase the corrosion protection due to capturing the CO 2 from the brine solution. High strength low alloy (HSLA) steels are widely finding its applications in oil & gas industry, thermal power plants and in aerospace industry etc. due to its improved mechanical properties, superior corrosion resistance and weldability when compared with plain carbon steel 1-4. Series of comparative studies have been focused on HSLA pipelines steels in order to understand the effect of alloying elements, heat treatments and other changeable factors on their mechanical properties and microstructure 5-8. it has been reported that the yield strength of the API X120 steel is in range 780-951 MPa based on the shape of the specimen. Moreover, the tensile strength is varied from 940 to 1023 MPa and the strength is more than X120 ksi and reaches to X120 grade according to the API standards 9-11. Corrosion is the major problem that compact the API X120 steel pipelines in the transportation of oil, gas. There are a myriad number of studies that investigate the influence of carbon dioxide with saline solution on the corrosion mechanism of different grades of steel pipelines employed in the pipeline applications 12,13. Additionally, it has been reported that the presence of carbonate ions in oilfield brine solution increases the corrosion rate of the pipelines 14-16. Several parameters have been noted for the corrosion of steel in CO 2 environment such as PH, temperature, CO 2 pres...

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Influence of temperature on the corrosion behavior of API-X100 pipeline steel in 1-bar CO2-HCO3− solutions: An electrochemical study

Cited by 44 publications

References 25 publications

Corrosion behavior of carbon steel in chloride and bicarbonate ion‐enriched and CO₂‐saturated solutions

Corrosion behavior of carbon steel in chloride and bicarbonate ion‐enriched and CO₂‐saturated solutions

Improvement in Corrosion Protection of Zinc by A Natural Inhibitor Incorporated with Zinc Oxide Nanoparticles in an Acidic Medium Evaluated using Gravimetric Measurement, Electrochemical Method and Atomic Force Microscopy

Electrochemical and thermodynamic study on the corrosion performance of API X120 steel in 3.5% NaCl solution

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Influence of temperature on the corrosion behavior of API-X100 pipeline steel in 1-bar CO2-HCO3− solutions: An electrochemical study

Cited by 44 publications

References 25 publications

Corrosion behavior of carbon steel in chloride and bicarbonate ion‐enriched and CO2‐saturated solutions

Corrosion behavior of carbon steel in chloride and bicarbonate ion‐enriched and CO2‐saturated solutions

Improvement in Corrosion Protection of Zinc by A Natural Inhibitor Incorporated with Zinc Oxide Nanoparticles in an Acidic Medium Evaluated using Gravimetric Measurement, Electrochemical Method and Atomic Force Microscopy

Electrochemical and thermodynamic study on the corrosion performance of API X120 steel in 3.5% NaCl solution

Contact Info

Product

Resources

About

Corrosion behavior of carbon steel in chloride and bicarbonate ion‐enriched and CO₂‐saturated solutions

Corrosion behavior of carbon steel in chloride and bicarbonate ion‐enriched and CO₂‐saturated solutions