Study of internal corrosion of natural gas pipelines in thin electrolyte layers

薄电解质层天然气管道内腐蚀研究

基本信息

  • 批准号:
    RGPIN-2020-04050
  • 负责人:
  • 金额:
    $ 4.01万
  • 依托单位:
  • 依托单位国家:
    加拿大
  • 项目类别:
    Discovery Grants Program - Individual
  • 财政年份:
    2020
  • 资助国家:
    加拿大
  • 起止时间:
    2020-01-01 至 2021-12-31
  • 项目状态:
    已结题

项目摘要

The overall objective of the research is to advance the understanding of internal corrosion of natural gas pipelines and quantitatively predict the corrosion growth on the pipelines. Internal corrosion is a main contributor to failures of natural gas pipelines. Failure of natural gas pipeline in Alberta from 1990 to 2012 was resulted from internal corrosion at a rate of 53.2%. Internal corrosion of natural gas pipelines is unique. It is associated with the generation of an electrolyte layer as thin as tens of microns on the interior of pipe wall. Moreover, the corrosion occurs in multiple steps simultaneously, often synergistically interacting together. Currently, there has been limited work to investigate the problem in thin electrolyte layers, compared with the existing literature on corrosion for liquid pipelines. Considerable work will be required to gain knowledge on the corrosion fundamentals in order to quantitatively predict the corrosion growth for improved pipeline integrity management. The proposed research will be built upon the applicant's established experiences and accomplishments in the areas relevant to the project, addressing both the scientific and technical gaps. In this research, testing facilities enabling accurate control and measurements of the thickness of an electrolyte layer on the steel surface will be used. A scanning Kelvin probe and home-made micro-electrode techniques will enable potentiodynamic polarization and electrochemical impedance measurements in thin electrolyte layers. Parametric effects, including the electrolyte layer thickness, solution chemistry and pH, temperature, operating pressure, CO2/H2S partial pressure, methanol and acetic acid concentrations, steel metallurgy, etc., will be determined. The research will also investigate microbial corrosion and pitting corrosion in the thin electrolyte layers containing sulfate-reducing bacteria by biotesting and electrochemical measurements. Mechanistic models will be developed to quantitatively predict the corrosion growth rate on interior of natural gas pipelines. A water chemistry model is developed to determine the concentrations of corrosive species and solution pH, and an electrochemical corrosion model will integrate multiple steps and affecting factors to determine the internal corrosion rate. The research is highly original, innovative and exceptionally relevant to an issue of national importance. The research outcomes will include new knowledge and new models, contributing to a strong science base in internal corrosion of natural gas pipelines and enable pipeline operators to effectively manage the problem. The research will develop a highly qualified personnel training program to meet the industry's need for a new generation of pipeline engineers. It is expected that this research will further solidify Canada's global reputation for leadership in pipeline corrosion research.
研究的总体目标是提高对天然气管道内部腐蚀的认识,并定量预测管道的腐蚀增长。

项目成果

期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)

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Cheng, Frank其他文献

A peptide-based biological coating for enhanced corrosion resistance of titanium alloy biomaterials in chloride-containing fluids
  • DOI:
    10.1177/0885328217692949
  • 发表时间:
    2017-03-01
  • 期刊:
  • 影响因子:
    2.9
  • 作者:
    Muruve, Noah;Feng, Yuanchao;Cheng, Frank
  • 通讯作者:
    Cheng, Frank
Effect of hydrogen on impact fracture of X80 steel weld: Various heat inputs and coarse grain heat-affected zone

Cheng, Frank的其他文献

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{{ truncateString('Cheng, Frank', 18)}}的其他基金

Study of internal corrosion of natural gas pipelines in thin electrolyte layers
薄电解质层天然气管道内腐蚀研究
  • 批准号:
    RGPIN-2020-04050
  • 财政年份:
    2022
  • 资助金额:
    $ 4.01万
  • 项目类别:
    Discovery Grants Program - Individual
Study of internal corrosion of natural gas pipelines in thin electrolyte layers
薄电解质层天然气管道内腐蚀研究
  • 批准号:
    RGPIN-2020-04050
  • 财政年份:
    2021
  • 资助金额:
    $ 4.01万
  • 项目类别:
    Discovery Grants Program - Individual
Electrochemistry and pitting corrosion of nano-scale metallurgical features in pipeline steels
管线钢纳米冶金特征的电化学和点蚀
  • 批准号:
    RGPIN-2015-04356
  • 财政年份:
    2019
  • 资助金额:
    $ 4.01万
  • 项目类别:
    Discovery Grants Program - Individual
Electrochemistry and pitting corrosion of nano-scale metallurgical features in pipeline steels
管线钢纳米冶金特征的电化学和点蚀
  • 批准号:
    RGPIN-2015-04356
  • 财政年份:
    2018
  • 资助金额:
    $ 4.01万
  • 项目类别:
    Discovery Grants Program - Individual
Electrochemistry and pitting corrosion of nano-scale metallurgical features in pipeline steels
管线钢纳米冶金特征的电化学和点蚀
  • 批准号:
    RGPIN-2015-04356
  • 财政年份:
    2017
  • 资助金额:
    $ 4.01万
  • 项目类别:
    Discovery Grants Program - Individual
Electrochemistry and pitting corrosion of nano-scale metallurgical features in pipeline steels
管线钢纳米冶金特征的电化学和点蚀
  • 批准号:
    RGPIN-2015-04356
  • 财政年份:
    2016
  • 资助金额:
    $ 4.01万
  • 项目类别:
    Discovery Grants Program - Individual
Canada Research Chair in Pipeline Engineering
加拿大管道工程研究主席
  • 批准号:
    1217444-2009
  • 财政年份:
    2015
  • 资助金额:
    $ 4.01万
  • 项目类别:
    Canada Research Chairs
Electrochemistry and pitting corrosion of nano-scale metallurgical features in pipeline steels
管线钢纳米冶金特征的电化学和点蚀
  • 批准号:
    RGPIN-2015-04356
  • 财政年份:
    2015
  • 资助金额:
    $ 4.01万
  • 项目类别:
    Discovery Grants Program - Individual
Canada Research Chair in Pipeline Engineering
加拿大管道工程研究主席
  • 批准号:
    1000217444-2009
  • 财政年份:
    2014
  • 资助金额:
    $ 4.01万
  • 项目类别:
    Canada Research Chairs
Workshop on Pan-Canadian Research Network of Corrosion Control and Materials Innovation in Oil/Gas Systems
泛加拿大石油/天然气系统腐蚀控制和材料创新研究网络研讨会
  • 批准号:
    470929-2014
  • 财政年份:
    2014
  • 资助金额:
    $ 4.01万
  • 项目类别:
    Strategic Workshops Program

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Study of internal corrosion of natural gas pipelines in thin electrolyte layers
薄电解质层天然气管道内腐蚀研究
  • 批准号:
    RGPIN-2020-04050
  • 财政年份:
    2022
  • 资助金额:
    $ 4.01万
  • 项目类别:
    Discovery Grants Program - Individual
Study of internal corrosion of natural gas pipelines in thin electrolyte layers
薄电解质层天然气管道内腐蚀研究
  • 批准号:
    RGPIN-2020-04050
  • 财政年份:
    2021
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