K factor (crude oil refining)
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The K factor or Characterization factor is a systematic way of classifying a crude oil according to is paraffinic, naphthenic, intermediate or aromatic nature. 12.5 or higher indicate a crude oil of predominantly paraffinic constituents, while 10 or lower indicate a crude of more aromatic nature. The K factor is also referred to as the UOP K factor.
See also