Not long after a recent summer turnaround, a major Gulf Coast refinery had a problem.
A nine-month cycle once seemed like a victory. But with pressure drop still flat after 27 months, the engineers on a naphtha hydrotreater in the Texas ...
For the first time in years, they did not need jackhammers to unload the guard vessel. It was another short cycle, and there was another crust layer.
At a facility in the heart of Western Europe, engineers had all but resigned to their fate: every 60 days, they would have to take down a whole section ...
For refiners operating a hydrotreating unit, the goal is twofold: minimal downtime and maximum profitability.
Purification systems are designed to remove iron based particles without detriment to a catalyst bed’s permeability.
Purification and dispersion strategies applied to hydroprocessing catalyst can improve reactor performance