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Delayed Coking Unit Operations

Optimising Coker Performance, Product Yields, Coke Quality and Operational Reliability

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Why Choose Us

The Delayed Coking Unit Operations training course develops practical understanding of converting heavy refinery residues into lighter products and marketable petroleum coke. Delayed coking uses severe thermal conversion to increase refinery conversion while reducing the production of low-value fuel oil. These improvements support stronger overall refinery profitability. Participants examine the process fundamentals, equipment, operating procedures and control practices required for effective unit operation.

Unit performance depends on the complex relationship between furnace operation, coke-drum cycles, fractionator conditions, feedstock quality and coke-handling systems. Key operating challenges include furnace tube coking, drum foaming, liquid carryover, uneven coke formation, fractionator fouling and delayed cycle changes. These problems can constrain capacity and introduce substantial safety and reliability risks. The course addresses troubleshooting, liquid yield and coke quality optimisation, fouling reduction, and the safe management of drum switching, decoking and start-up activities.

This Delayed Coking Unit Operations training course will highlight:

  • Explaining delayed coking process fundamentals and severe thermal conversion
  • Understanding principal equipment and operating procedures
  • Managing furnace performance and coke-drum cycles
  • Controlling fractionator conditions and feedstock-related effects
  • Troubleshooting fouling, foaming, carryover and uneven coke formation
  • Conducting drum switching, decoking and start-up activities safely
Why Choose Delayed Coking Unit Operations
Course Goals

What are the Goals?

Upon completing this training course, participants will be able to:

  • Explain the chemistry and fundamental processes of delayed coking
  • Assess how feedstock characteristics affect unit performance
  • Describe the roles of the furnace, coke drums and fractionator
  • Manage coke-drum filling, steaming, quenching and decoking sequences
  • Optimise furnace performance while minimising tube coking
  • Regulate coke-drum pressure, temperature and foam levels
  • Enhance liquid yields, coke quality and unit throughput
  • Resolve problems involving the fractionator, gas-recovery and coke-handling systems
  • Follow safe operating procedures when switching and decoking drums
  • Recognise opportunities to enhance reliability and cycle duration

Who is this Training Course for?

Who Should Attend?

This Delayed Coking Unit Operations training course is designed for:

  • Delayed Coking Unit Operators
  • Control Room Operators
  • Shift Supervisors
  • Operations Engineers
  • Process Engineers
  • Refinery Production Engineers
  • Maintenance Engineers
  • Mechanical Engineers
  • Inspection Engineers
  • Process Safety Engineers
Learning Approach

How will this Training Course be Presented?

This course integrates technical presentations, process-flow diagrams, equipment illustrations, operating-data analysis, calculations, group discussions, troubleshooting exercises and refinery case studies. Participants will evaluate delayed coking operating scenarios and formulate suitable corrective and preventive actions.

The Course Content

Delayed Coking Process Fundamentals

  • Role of delayed coking within the refinery configuration
  • Thermal cracking chemistry and reaction mechanisms
  • Vacuum residue and other delayed coker feedstocks
  • Effects of asphaltenes, sulphur, metals and Conradson carbon
  • Delayed coking process flow and major equipment
  • Operating pressure, temperature and recycle ratio
  • Coker material balance and product-yield distribution
  • Types, properties and commercial uses of petroleum coke 

Coker Furnace Operations and Optimisation

  • Coker furnace design and operating principles
  • Feed preheating and furnace charge preparation
  • Furnace outlet temperature and cracking severity
  • Burner operation, combustion control and heat distribution
  • Steam injection, tube velocity and residence-time control
  • Causes and indicators of furnace tube coking
  • Monitoring tube-skin temperature and furnace pressure drop
  • Online spalling, steam-air decoking and furnace optimisation 

Coke-Drum Cycle Management

  • Coke-drum filling and vapour-flow management
  • Drum switching and feed-transfer procedures
  • Steam stripping and hydrocarbon-vapour removal
  • Water quenching and drum-cooling requirements
  • Drum draining, opening and preparation for decoking
  • Hydraulic coke cutting and coke removal
  • Foam formation, antifoam injection and foam-level control
  • Preventing coke carryover into downstream equipment 

Fractionation, Product Recovery and Coke Handling

  • Main fractionator configuration and operating principles
  • Vapour quenching and fractionator heat balance
  • Recovery of gas, naphtha, light gas oil and heavy gas oil
  • Pump-around circuits, reflux and product-quality control
  • Wash-zone operation and coke-deposition prevention
  • Wet gas, sour-water and gas-recovery systems
  • Coke cutting, crushing, dewatering and transportation
  • Controlling coke properties and product specifications 

Troubleshooting, Safety and Performance Improvement

  • Troubleshooting low liquid yields and excessive coke production
  • Diagnosing furnace fouling and high tube-skin temperatures
  • Managing coke-drum hot spots, foaming and vibration
  • Resolving fractionator fouling and separation problems
  • Troubleshooting unstable pressure and temperature conditions
  • Preventing water hammer, thermal shock and steam explosions
  • Improving cycle time, energy efficiency and unit availability
  • Integrated delayed coker troubleshooting case study
Recognition

Certificate

  • • Wallstreet Development Academy Certificate of Completion for delegates who attend and complete the training course.

Frequently Asked Questions

The Delayed Coking Unit Operations training course focuses on optimising coker performance, product yields, coke quality and operational reliability. It brings these four operational priorities together within the context of delayed coking unit operations. More detailed learning objectives or technical modules cannot be verified from the available course information.
Yes, optimising product yields is explicitly identified as a core focus of this training. The course places yield optimisation within the wider operational context of coker performance, coke quality and reliability. Specific products, yield targets or optimisation techniques cannot be confirmed from the information provided.
Operational reliability is one of the four stated priorities of the course. The training considers reliability in relation to coker performance, product yield optimisation and coke quality. Specific reliability practices, maintenance topics or troubleshooting procedures are not listed in the available material and therefore cannot be verified.
The course is relevant because it focuses on the combined priorities of performance, product yields, coke quality and operational reliability. These themes define the scope of the Delayed Coking Unit Operations training course and provide a practical operational focus. Further claims about current industry trends, technologies or regulatory requirements cannot be verified from the available course content.
The course addresses coker performance as one of its central areas of focus. It considers performance optimisation alongside product yields, coke quality and reliable operations rather than treating performance as an isolated objective. The specific performance measures, methods and operating parameters covered are not stated in the available course material.
The course covers coke quality as a key aspect of delayed coking unit operations. It connects coke quality with overall coker performance, product yields and operational reliability. The available course information does not specify particular quality properties, testing methods or coke specifications.
The course is intended to support work involving delayed coking unit operations and the optimisation of coker outcomes. Its stated focus can help participants consider performance, yields, coke quality and reliability as connected workplace priorities. The page information provided does not identify specific exercises, tools or implementation frameworks used during the training.
If you would like further information about this training course, our team is available to provide professional guidance and support: Email: [email protected] In-house training: https://www.wallstreetda.com/in-house-training

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