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Butamer is a conversion process, which utilises a catalyst to convert normal-butane to its isomer (iso-butane).

The Butamer process is typically used in conjunction with alkylation as the product of the Butamer process is also required for alkylation. It is a fixed-bed, vapour phase process which is conducted under a low hydrogen partial pressure atmosphere.

The Butamer process requires a dry feed, containing no moisture. This is because the moisture is a poison for the catalyst and once poisoned, the catalyst beds' activity is significantly reduced. Permanent deactivation will result from H2O or oxygenate contamination.
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