11-02-2015 дата публикации
Номер: CN104338565A
Принадлежит:
The invention relates to a method for presulfurizing a catalytic gasoline hydrogenation catalyst. The method comprises the following steps: introducing naphtha into a buffer tank through a filter, the buffer tank, a feed pump, a heat exchanger shell side, a heating furnace, a prehydrogenation reactor, a hydrodesulfurization reactor, a heat exchanger tube side, an air cooler and a separation tank; introducing new hydrogen into a hydrogen mixing point through a new hydrogen liquid separation tank, a new hydrogen compressor, the hydrogen mixing point, the heat exchanger shell side, the heating furnace, the prehydrogenation reactor, the hydrodesulfurization reactor, the heat exchanger tube side, the air cooler, the separation tank, a circulating hydrogen cooler, a circulating hydrogen desulfurization tower inlet liquid separation tank, a circulating hydrogen desulfurization tower span line, a circulating hydrogen compressor inlet liquid separation tank and a circulating hydrogen compressor.
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