Author: Hui Li
Publisher:
ISBN:
Category : Carbon dioxide
Languages : en
Pages :
Book Description
A Mechanistic Model for CO2 Localized Corrosion of Carbon Steel
A Mechanistic Model to Predict Carbon Dioxide Corrosion of Carbon Steel
Author: Vani Gangu
Publisher:
ISBN:
Category : Carbon dioxide
Languages : en
Pages : 312
Book Description
Publisher:
ISBN:
Category : Carbon dioxide
Languages : en
Pages : 312
Book Description
Prediction of CO2 corrosion of carbon steel in pipe flow
Author: Bhaskar Sompalli
Publisher:
ISBN:
Category : Carbon dioxide
Languages : en
Pages : 0
Book Description
Publisher:
ISBN:
Category : Carbon dioxide
Languages : en
Pages : 0
Book Description
Mechanism of Localized Corrosion of Carbon Steel Pipe in Corrosion-inhibited, CO2-saturated Brine
Author: Bryon Daniels Winget
Publisher:
ISBN:
Category :
Languages : en
Pages : 178
Book Description
Publisher:
ISBN:
Category :
Languages : en
Pages : 178
Book Description
Development of a Mechanistic Corrosion Model for Carbon Steel in MEA-based CO2 Absorption Process
Localized Corrosion Initiation of Steel in CO2 Environments
Author: Xin Gao
Publisher:
ISBN:
Category : Acetic acid
Languages : en
Pages : 191
Book Description
The objective of this dissertation research was to investigate initiation mechanisms for CO2 localized corrosion on mild steel, encompassing the effects of chloride, oxygen, and acetic acid. In CO2 corrosion, iron in steel will be oxidized to ferrous ions under deareated conditions. The ferrous and carbonate ions can combine to form FeCO3 and precipitate once exceeding the solubility limit. When the precipitation of FeCO3 occurs evenly on the steel surface it forms a compact and protective layer. This acts as a diffusion barrier hindering the mass transfer of electrochemical species and covers/blocks the surface making it unavailable for corrosion, which enhances the resistance of mild steel to further uniform CO2 corrosion. However, there are various scenarios where localized corrosion may occur. When the environment becomes more aggressive, the FeCO3 could be partially removed. This leads to localized regions of the bare steel surface that become exposed to the corrosive solution and, subsequently, localized corrosion could be initiated. To study CO2 localized corrosion, two-stage experiments were performed: (1) a uniform protective FeCO3 layer was first formed on a carbon steel with high initial FeCO3 saturation; (2) localized CO2 corrosion scenarios were then developed by adding additional salts (NaCl or NaClO4), oxygen or acetic acid to challenge the protective FeCO3 layer. The experiments were conducted in a two-liter glass cell with a three-electrode system, working electrode (X65 carbon steel), reference electrode (Ag/AgCl saturated electrode), and counter electrode (platinum). Electrochemical measurements (linear polarization resistance) were carried out to observe electrochemical behaviors and calculate the corrosion rates.
Publisher:
ISBN:
Category : Acetic acid
Languages : en
Pages : 191
Book Description
The objective of this dissertation research was to investigate initiation mechanisms for CO2 localized corrosion on mild steel, encompassing the effects of chloride, oxygen, and acetic acid. In CO2 corrosion, iron in steel will be oxidized to ferrous ions under deareated conditions. The ferrous and carbonate ions can combine to form FeCO3 and precipitate once exceeding the solubility limit. When the precipitation of FeCO3 occurs evenly on the steel surface it forms a compact and protective layer. This acts as a diffusion barrier hindering the mass transfer of electrochemical species and covers/blocks the surface making it unavailable for corrosion, which enhances the resistance of mild steel to further uniform CO2 corrosion. However, there are various scenarios where localized corrosion may occur. When the environment becomes more aggressive, the FeCO3 could be partially removed. This leads to localized regions of the bare steel surface that become exposed to the corrosive solution and, subsequently, localized corrosion could be initiated. To study CO2 localized corrosion, two-stage experiments were performed: (1) a uniform protective FeCO3 layer was first formed on a carbon steel with high initial FeCO3 saturation; (2) localized CO2 corrosion scenarios were then developed by adding additional salts (NaCl or NaClO4), oxygen or acetic acid to challenge the protective FeCO3 layer. The experiments were conducted in a two-liter glass cell with a three-electrode system, working electrode (X65 carbon steel), reference electrode (Ag/AgCl saturated electrode), and counter electrode (platinum). Electrochemical measurements (linear polarization resistance) were carried out to observe electrochemical behaviors and calculate the corrosion rates.
Heterogeneous Electrode Processes and Localized Corrosion
Author: Mike Yongjun Tan
Publisher: John Wiley & Sons
ISBN: 1118466357
Category : Science
Languages : en
Pages : 345
Book Description
Sheds new light on the significance of electrode inhomogeneity and electrochemical heterogeneity A major contribution to the field of electrochemistry, this book—based on a thorough review of the literature and author Yongjun Tan's twenty years of pioneering research—examines electrochemical heterogeneity and its effects on non-uniform electrode processes. The book focuses on localized corrosion, uneven electrodeposition, and non-uniform electrodissolution. Readers will learn all the core fundamentals, experimental methods, and engineering aspects of localized corrosion and other important heterogeneous electrode processes. In particular, readers will learn core methods to quickly calculate corrosion rates and study electrode inhomogeneity and electrochemical heterogeneity. Heterogeneous Electrode Processes and Localized Corrosion begins with a review of homogeneous electrode models and uniform corrosion measurements and then explores probing electrode inhomogeneity, electrochemical heterogeneity, and localized corrosion. Next, the book examines: Visualizing localized corrosion using electrochemically integrated multi-electrode arrays Measuring thermodynamic and kinetic parameters of localized corrosion processes Characterizing inhomogeneity and localized corrosion on coated electrode surfaces Designing experiments to study localized corrosion and its inhibition in inhomogeneous media Sensing localized electrodeposition and electrodissolution Exploring versatile heterogeneous electrode processes Throughout the book, there are case studies with maps that illustrate key aspects of heterogeneous electrode processes. In addition, the author provides plenty of examples that enable readers to fully grasp core concepts of electrochemical heterogeneity and its relationship to non-uniform electrode processes. Reviewing the experimental findings presented in this book, electrochemists will gain a better appreciation and understanding of the fundamental significance of electrode inhomogeneity and electrochemical heterogeneity.
Publisher: John Wiley & Sons
ISBN: 1118466357
Category : Science
Languages : en
Pages : 345
Book Description
Sheds new light on the significance of electrode inhomogeneity and electrochemical heterogeneity A major contribution to the field of electrochemistry, this book—based on a thorough review of the literature and author Yongjun Tan's twenty years of pioneering research—examines electrochemical heterogeneity and its effects on non-uniform electrode processes. The book focuses on localized corrosion, uneven electrodeposition, and non-uniform electrodissolution. Readers will learn all the core fundamentals, experimental methods, and engineering aspects of localized corrosion and other important heterogeneous electrode processes. In particular, readers will learn core methods to quickly calculate corrosion rates and study electrode inhomogeneity and electrochemical heterogeneity. Heterogeneous Electrode Processes and Localized Corrosion begins with a review of homogeneous electrode models and uniform corrosion measurements and then explores probing electrode inhomogeneity, electrochemical heterogeneity, and localized corrosion. Next, the book examines: Visualizing localized corrosion using electrochemically integrated multi-electrode arrays Measuring thermodynamic and kinetic parameters of localized corrosion processes Characterizing inhomogeneity and localized corrosion on coated electrode surfaces Designing experiments to study localized corrosion and its inhibition in inhomogeneous media Sensing localized electrodeposition and electrodissolution Exploring versatile heterogeneous electrode processes Throughout the book, there are case studies with maps that illustrate key aspects of heterogeneous electrode processes. In addition, the author provides plenty of examples that enable readers to fully grasp core concepts of electrochemical heterogeneity and its relationship to non-uniform electrode processes. Reviewing the experimental findings presented in this book, electrochemists will gain a better appreciation and understanding of the fundamental significance of electrode inhomogeneity and electrochemical heterogeneity.
Mechanistic Study of Co2 Corrosion Related to Corrosion in Oil and Gas Exploration and Production
Author: Mohd.Halimi Azman
Publisher:
ISBN:
Category : Corrosion and anti-corrosives
Languages : en
Pages : 43
Book Description
A mechanistic model of CO2 corrosion in the presence of HS has been developed. A model has been developed for the computation of corrosion rates of carbon steels in presence of carbon dioxide and hydrogen sulfide. The model included an electrochemical model for partial cathodic and anodic process on the metal surface. The partial processes taken into account by the model include the oxidation of iron and reduction of hydrogen ions, water, carbonic acid and hydrogen sulfide. The model has been verified by comparing calculated corrosion rates with corrosion model prediction software. The corrosion model prediction software consists of Freecorp, Norsok, Cassandra and ECE. The effects of various conditions such as temperature and pH value on corrosion rates has been analyze. The trends shown in the predictions agreed well with the general understanding of the CO corrosion process in the presence of...
Publisher:
ISBN:
Category : Corrosion and anti-corrosives
Languages : en
Pages : 43
Book Description
A mechanistic model of CO2 corrosion in the presence of HS has been developed. A model has been developed for the computation of corrosion rates of carbon steels in presence of carbon dioxide and hydrogen sulfide. The model included an electrochemical model for partial cathodic and anodic process on the metal surface. The partial processes taken into account by the model include the oxidation of iron and reduction of hydrogen ions, water, carbonic acid and hydrogen sulfide. The model has been verified by comparing calculated corrosion rates with corrosion model prediction software. The corrosion model prediction software consists of Freecorp, Norsok, Cassandra and ECE. The effects of various conditions such as temperature and pH value on corrosion rates has been analyze. The trends shown in the predictions agreed well with the general understanding of the CO corrosion process in the presence of...
Bayesian Network Modeling of Corrosion
Author: Narasi Sridhar
Publisher: Springer Nature
ISBN: 3031561287
Category :
Languages : en
Pages : 343
Book Description
Publisher: Springer Nature
ISBN: 3031561287
Category :
Languages : en
Pages : 343
Book Description
A Mechanistic Modeling of CO2 Corrosion of Mild Steel in the Presence of H2S
Author: Kun-Lin John Lee
Publisher:
ISBN:
Category : Carbon dioxide
Languages : en
Pages : 215
Book Description
Publisher:
ISBN:
Category : Carbon dioxide
Languages : en
Pages : 215
Book Description