REFINING - ALKYLATION

In the refinery, isobutane is alkylated with low-molecular-weight alkenes (primarily a mixture of propylene and butylene) in the presence of a strong acid catalyst, either sulfuric acid or hydrofluoric acid. The process is referred to as a  (SAAU) or a , (HFAU). However, oil refinery employees may simply refer to the unit as the Alkyl or Alky unit. The product is called alkylate and is composed of a mixture of high-octane, branched-chain paraffinic hydrocarbons (mostly isopentane and isooctane).

Alkylate is a premium gasoline blending stock because it has exceptional antiknock properties and is clean burning. Alkylate is also a key component of avgas. The octane number of the alkylate depends mainly upon the kind of olefins used and upon operating conditions.

ALKYLATION - SULFURIC

ALKYLATION - HF

PROCESS GAS CHROMATOGRAPH

Over the past 60 years, GC products from Yokogawa have continued to evolve to meet the ever-changing needs of the process industry. Engineered with reliable electronics and intelligently designed columns & valves, the GC8000 improves ease of maintenance while reducing operating costs.