hydrocracking造句
31. In order to improve economic results and reasonably use petroleum resources, coker gatch was blended with the feedstock in hydrocracking plant.
32. The application and research on the tungstic catalysts are reviewed in petroleum processing and petrochemicals , including hydrocracking, hydrofining, catalytic oxidation and acidic catalysis.
33. The processing technologies of coker gas oil are reviewed. The restricting factors andaprroaches to problem for feeding coker gas oil directly to FCCU or hydrocracking unit are emphasized.
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