The coking crude benzol hydrogenation process and its catalytic system are discussed, and the domestic application of the hydrogenation process is introduced briefly.
论述了焦化粗苯加氢精制的工艺方法及其催化体系，并简单介绍了国内加氢工艺的应用。
This article introduced the commissioning experience of crude benzol-escaping air recovery system.
介绍了焦化厂粗苯放散气体回收系统开工调试的经验。
The transformation and production rearrangement of the crude benzol distillation system are described.
蒸馏系统的改造和生产调整情况。
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