Lyle F. Albright Purdue University West Lafayette, Ind. Regulations that will mandate gasoline reformulation to reduce motor vehicle emissions during the 1990s will boost the importance of the alkylation process in U.S. refineries. Constituents in the alkylate produced do not contribute to ozone formation. The low vapor pressure of alkylate, a high octane blending component, helps refiners maintain volatility (Rvp) specifications. About 11% of the gasoline pool in American refineries is produced by alkylating isobutane with C3-C5 olefins.1 Current alkylation capacity in the United States totals about 960,000 b/d of alkylat...

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