Temperature excursion or temperature runaway is the abnormal process condition at which catalyst bed temperatures go high beyond the normal operating limit on account of uncontrolled hydrocracking reactions. During a
An emergency depressuring system (EDS) is the mechanism of quick dumping of high-pressure process fluids from a hydroprocessing reactor in case of emergency situations like fire, thermal excursions, or overpressure.
Coke formation is the deposition of hydrogen deficient carbonaceous material over the catalyst surface. Generally, it is formed by thermal condensation, de-hydrogenation, and polymerization reactions of hydrocarbons. The coke covers
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