Hydroprocessing

Hydroprocessing encompasses various hydrogen-involved processes, with hydrotreating and hydrocracking being the most prevalent, collectively accounting for almost half of a refinery’s production capacity in terms of processed crude. The primary distinction between hydrotreating and hydrocracking lies in feed conversion: while hydrocracking converts up to 90% of the feed, hydrotreating aims to prevent any hydrocarbon molecule cracking or breaking. As a result, hydrotreating typically operates at a 0.5-5% conversion level to minimize the loss of valuable feedstock, such as gasoline. The upcoming chapter will provide a concise overview of these processes, emphasizing corrosion issues and susceptible areas for corrosion damages.