October 2019

Process Optimization

Opportunity crudes and refinery challenges during hydrocracking operations—Part 2

Refineries worldwide often face practical challenges and operating issues when processing opportunity crude oils to maximize profit margins.

Refineries worldwide often face practical challenges and operating issues when processing opportunity crude oils to maximize profit margins. The limited information available from the crude quality certificates provided at purchase frequently makes it difficult to identify or quantify the possible consequences for a refinery’s processing units. In hydrocracker units, the feed is often contaminated with suspended solids and undesirable chemical contaminants that can cause plugging, heat exchanger fouling and reactor pressure drop. In the worst-case scenario, the consequences can include reductions in throughput or even a complete shutdown of the hydrocracking unit. This quickly translates in

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