Separation technology for normal and isomeric alkanes in reforming feedstocks
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Advanced separation techniques are employed to separate n- and isomeric alkanes in the reforming feed; the n-alkanes are used as a feedstock for ethylene, while the rest are used as reforming feedstock；
A subsidiary of Sinopec in Nanjing possesses the world’s only unit for the isomerization separation of reforming feedstocks, with a design capacity of 1.2 million tons per year. After this separation process, both the aromatic potential of the reforming feedstock (the raffinate) and the quality of the ethylene feedstock improve significantly, especially the yield of dienes, which sees a notable increase. The device is named the MaxEne unit (naphtha adsorption separation unit).
It is UOP’s technology, and there is currently only one set of industrial-scale application units.