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A version of Uhde’s STAR BDH (butane dehydrogenation) technology, in combination with  Axens’ Polynaphtha (PN) or UOP’s catalytic Polymerisation (Cat Poly) olefins condensation processes, is a new environmentally-friendly and fully competitive alternative to acid Alkylation, in both new and existing refineries. In refineries with FCC's  this technology enables replacement of the reaction section in HF and H2SO4 Alkylation Units as they become too maintenance-intensive and/or hazardous for refiners to continue their safe and economic operation. In refineries without FCC's, this technology enables manufacture of a valuable low-aromatic high-octane gasoline blending component from LPG.
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