Mechanical Engineering | January 16, 2024 Design of Flue Gas Quench Sections... In the development of aircraft engines, physical tests are necessary to examine the overall performance of the engines. The exhaust… Read More
Process Technology | December 11, 2023 Under Pressure... This month we’ll continue our discussion of emergency procedures for hydroprocessing units with a discussion of hazards and procedures for… Read More
Process Technology | November 14, 2023 Sprays in the Process Industries... “Say it, don’t spray it.” Generally, this is good advice, but in industry it’s often profitable to spray it. In… Read More
Process Technology | November 6, 2023 Under Pressure: Emergency Procedures – Loss of C... “It can’t happen!” “Our control systems have redundancies that won’t allow us to lose view!” “If we lose view, we’ll… Read More
Process Technology | October 18, 2023 Prevention of Tube Rupture – Reactor Feed Furnac... Consider the intrinsic risks of a reactor feed furnace in a hydrotreater or hydrocracker: On the outside of the furnace… Read More
Process Technology | August 21, 2023 Tank Ignition Source Management: Protecting Storag... With Contributing Author Rafael Rengifo Above ground storage tanks (AST) are widely used for the storage of large volumes of… Read More
Process Technology | August 9, 2023 Preventing Nickel Carbonyl Formation during Hydrop... The potential formation of nickel carbonyl is a hazard for all hydroprocessing units – both hydrocrackers and hydrotreaters. Fortunately, there… Read More
Process Technology | July 10, 2023 Shutting Down and Idling a Hydroprocessing Unit Sa... A topic that frequently comes up in consultation is how to posture a hydrotreater or hydrocracker when a short, temporary… Read More
Process Technology | July 3, 2023 Proactively Preventing Reactor Runaway Events... A quantitative method for selecting emergency actions could prevent hydrocracker reactor temperature excursion and runaway while avoiding flaring. Recently published… Read More
Process Technology | June 19, 2023 Evaluating Purchased Feedstocks for Hydrocrackers ... I had multiple requests to discuss how to evaluate purchased feedstocks for hydroprocessing units. As always, I’ll present some ideas… Read More
Process Technology | May 23, 2023 Mixing With Reaction: Practical Considerations... “My reaction is done in a few seconds; therefore, I can’t have a mixing problem.” Mixing experts hear this frequently,… Read More
Process Technology | May 17, 2023 Hydroprocessing Relief Issues: Chapter 3 – Vapor... This is the third of 3 articles discussing relief issues for Hydroprocessing Units. Last month we discussed Separator Blow-through. As… Read More
Process Technology | April 17, 2023 Hydroprocessing Relief Issues – Chapter 2 – Se... This is the 2nd of 3 articles discussing relief issues for Hydroprocessing units. Last month, we discussed backflow prevention (CLICK… Read More
Process Technology | March 27, 2023 Hydroprocessing Relief Issues – Chapter 1: Backf... Over the next few months I will cover relief issues for Hydrotreaters and Hydrocrackers. This topic will be the subject… Read More
Process Technology | February 16, 2023 Under Pressure II... CLICK HERE to view Part 1 of this series. Tenets of Catalyst Selection I have had several suggestions to write… Read More