April 2019
Process Engineering
Coke drum and blowdown system overpressure protection design - Part 1
The blowdown (BD) system in delayed coking units (DCUs) receives waste streams generated during the coke drum (CD) decoking process to recover valuable hydrocarbons and water. In recent DCU designs, the CD pressure relief valves (PRVs) also discharge to this system and then to the flare system via the BD PRVs.
The Authors
Philip Ceary graduated from the University of Maryland College Park with a BS degree in chemical engineering in May 2002. He works in the field of process design, optimization and logistics, and project development for ExxonMobil in Spring, Texas.
Giovanni Di Geronimo is a Process Safety Engineer at ExxonMobil’s Rotterdam refinery. He holds a Bch degree in chemical engineering from Universidad Simon Bolivar and a MSc degree in process engineering from Imperial College in London.
Nathan Markham graduated from the University of Kansas with a BS degree in chemical engineering in May 2009. He works as a Process Safety Engineer for ExxonMobil in Spring, Texas.
Sander Groenendijk has 19 yr of experience in oil, gas and chemicals front-end engineering and detailed design and is a subject matter expert in process simulation, hydraulics and safety and relief systems. He holds an MS degree and a PhD in chemical engineering from the University of Amsterdam.
Yiltzon Moreno is a Process Director in Fluor’s Amsterdam office. He has more than 23 yr of experience in oil and gas operations, front-end engineering and detailed design. He holds a BSc degree in chemical engineering from Zulia University (Venezuela) and a post-graduate specialization in refinery processes from Francisco de Miranda University (Venezuela).
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