Refinery vacuum distillation units (VDUs) use ejector systems to establish and maintain distillation-column pressure for capturing valuable crude fractions and reducing vacuum residuum. Reliable ...
Refiners that rely only on FCC feed hydrotreating or mild hydrocracking 1 2 (i.e., use a cat feed hydrotreater [CFHT]) to meet 30-ppmw gasoline pool sulfur specifications must minimize CFHT feed ...
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