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An ongoing objective of BP Coke’s technical support is to better understand fundamental coke properties and links to anodeAnode performance. This knowledge is then applied to improve coke value for Customers. Calcined coke microstructureMicrostructure and porosity are properties known to influence key anodeAnode properties such as Baked Apparent Density. Assessing coke microstructureMicrostructure and porosity using conventional tests such as optical microscopy and mercury porosimetry is time consuming, complex, and does not provide well quantified structural detail. 3D X-Ray techniques are now capable of quantifying internal coke and anodeAnode physical structures. For example, micro X-Ray Computed Tomography has been used by others to assess anodeAnode core anisotropy and cracking. This paper outlines 3D X-Ray microscopyX-Ray microscopy undertaken to study inconsistencies between expected coke particle internal structuresInternal structure based on external appearance, and the actual internal structuresInternal structure. This is important when visually categorizing coke typesCoke types. Other potential applications of the microscopy technique are outlined.

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Novel 3D X-Ray Microscopy Technique to Unlock the Detail of Internal Coke Structures

  • 会议论文

  • 发表日期：

    2025年

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  • Howard Childs,
  • Sara Enstrom,
  • Barbara Cramer,
  • Barry Sadler

摘要

An ongoing objective of BP Coke’s technical support is to better understand fundamental coke properties and links to anodeAnode performance. This knowledge is then applied to improve coke value for Customers. Calcined coke microstructureMicrostructure and porosity are properties known to influence key anodeAnode properties such as Baked Apparent Density. Assessing coke microstructureMicrostructure and porosity using conventional tests such as optical microscopy and mercury porosimetry is time consuming, complex, and does not provide well quantified structural detail. 3D X-Ray techniques are now capable of quantifying internal coke and anodeAnode physical structures. For example, micro X-Ray Computed Tomography has been used by others to assess anodeAnode core anisotropy and cracking. This paper outlines 3D X-Ray microscopyX-Ray microscopy undertaken to study inconsistencies between expected coke particle internal structuresInternal structure based on external appearance, and the actual internal structuresInternal structure. This is important when visually categorizing coke typesCoke types. Other potential applications of the microscopy technique are outlined.