Issues with the reprocessing process flow
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In the AXENS process flow, why is the mercury removal reactor in the reforming unit located after the stripping tower, rather than before the stripping tower in series with the hydrogenation reactor and dechlorination reactor?
The main component of the mercury removal agent is copper sulfide; the material before the stripping tower contains sulfur, and moisture can cause catalyst failure over time. The mercury content in naphtha is still very low; most naphtha contains no mercury. Is it really necessary to do that?
The demercurization reactor reaction has temperature requirements.