The present invention relates to a process of obtainment of aviation biokerosene and a composition of aviation kerosene containing the aviation biokerosene thus produced. The process consists of simultaneously combining three basic conditions: raw material selection, processing conditions, and control of specific properties of the product. The composition is classified as a semisynthetic composition of aviation kerosene and may contain up to 20% by weight of aviation biokerosene, satisfying the limits determined in the international specifications for aviation kerosene.
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