Hydrogen-rich fraction, recycled hydrogen
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What are the advantages and disadvantages of sharing one set of hot high-pressure and cold high-pressure systems, as well as one hydrogen circulation system, for the first and second stages of hydrogenation?
Share one set; the process is simple and the investment is low. The disadvantages are low purity of the recycled hydrogen and inflexible operation.
The pressure difference between section 1 and section 2 is inconsistent; how can it be balanced? I would appreciate some advice