Example 1
A renewable paraffinic product was produced by heavily cracking hydrodeoxygenation and isomerisation of feedstock mixture of vegetable and animal fat origin. This product was analysed using various analysis methods (Table 2).
The analysed product in Table 2 fulfils the freezing point of jet fuel specification, but the freezing point is not exceptionally low.
Example 4
Another renewable paraffinic product produced by hydrodeoxygenation and isomerisation of another feedstock mixture of vegetable and animal fat origin is further directed to a fractionation unit. In the fractionation unit, the renewable paraffinic product is divided into two fractions. Lighter of the fractions containing 80 wt-% of the original renewable paraffinic product is re-analysed using various analysis methods (Table 5).
This product also fulfils all requirements of a high-quality renewable aviation fuels. From the analysis results it can be seen that despite the fact that the density of the paraffinic composition is over 768 kg/m3 (measured 770.1 kg/m3) the freezing point (measured −50.9° C.) is significantly lower than the freezing point of the product of comparative example 1.
It will be obvious to a person skilled in the art that, as the technology advances, the inventive concept can be implemented in various ways. The invention and its embodiments are not limited to the examples described above but may vary within the scope of the claims.
