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<p>This article examines the variability in the operation of an industrial delayed coker unit of the 21-10/3M project. Based on laboratory studies and a new process model, technological modes enabling the production of high-demand petroleum cokes—anode grade and premium-quality (needle) cokes—are analyzed. In addition to selecting the raw material base for needle coke production, the fundamental role of coking product fractionation is determined. A key challenge is ensuring the efficient separation and return of unreacted valuable aromatic feedstock to the process. Laboratory experiments and calculations confirm that achieving a maximum target needle coke yield of 40% or more is feasible in an industrial delayed coker unit through the complete conversion of scarce, specific feedstock.</p>

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Optimization of the Delayed Coking Process for the Production of Premium Petroleum Cokes

  • 期刊论文

  • 发表日期：

    2025年3月1日

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  • E. V. Borodin,
  • B. S. Zhirnov,
  • O. S. Vedernikov,
  • A. V. Kleymenov,
  • V. A. Golovachev,
  • A. M. Demin,
  • V. V. Bessonov

摘要

This article examines the variability in the operation of an industrial delayed coker unit of the 21-10/3M project. Based on laboratory studies and a new process model, technological modes enabling the production of high-demand petroleum cokes—anode grade and premium-quality (needle) cokes—are analyzed. In addition to selecting the raw material base for needle coke production, the fundamental role of coking product fractionation is determined. A key challenge is ensuring the efficient separation and return of unreacted valuable aromatic feedstock to the process. Laboratory experiments and calculations confirm that achieving a maximum target needle coke yield of 40% or more is feasible in an industrial delayed coker unit through the complete conversion of scarce, specific feedstock.