Separation of Hydrogen and LPG from Refinery Fuel Gas

Refineries may recover hydrogen and LPG from off-gases and thus make more profit on these products instead of simply using them as fuel gas. By cryogenic processes such high quality products can be economically recovered.

Similarly the dehydrogenation of butanes within MTBE plants results in a mixture of hydrogen and condensable C4/C8 hydrocarbons. Separation of hydrogen from a bulk quantity of heavy components requires particular adjustments that should be regarded for the heat exchanger design. It has turned out to be of advantage for the design requirements of this cryogenic concept that Linde can offer design and equipment manufacturing in one hand.

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