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For refineries that do not have a sufficient supply of isobutane for the alkylation unit, the necessary isobutane can be made by isomerizing n-butane. The operation of the Butamer Isomerization Unit is similar to the pentane isomerization unit. In the isomerization process, the butane feed is mixed with the butane recycle and enters the deisobutanizer. Any propane present is sent overhead to be ...
For refineries that do not have a sufficient supply of isobutane for the alkylation unit, the necessary isobutane can be made by isomerizing n-butane. The operation of the Butamer Isomerization Unit is similar to the pentane isomerization unit. In the isomerization process, the butane feed is mixed with the butane recycle and enters the deisobutanizer. Any propane present is sent overhead to be ...