
Crude Distillation Unit Design Process Engineering Review
A modular design and fabrication company based in Canada contracted Process Engineering International (PROCESS) to provide a refinery Crude Distillation Unit (CDU) “cold eyes” third-party independent design review to help identify design gaps or issues.
Items considered included control philosophy, startup issues, and general best practices around CDU design. Specific items reviewed included:
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Preheat Train
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Desalter
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Flash Drum
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Furnace Heater
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Crude Column
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Distillate Stripper
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Stabilizer
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Heat and Mass Balance
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Piping and Instrumentation Diagrams (P&IDs)
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Residence Times
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Reflux Drum
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Start-Up.
Numerous recommendations were made to improve the design. As a result of this design review, PROCESS was invited to participate in HAZOP safety review of the CDU design which took place at the client’s site in Canada.