Neste Oil Oyj

Neste Oyj

Fortum Oyj

Ville Alopaeus

Pekka Aalto

Jukka Myllyoja

Veli-Matti Purola

Pekka Savolainen

Johan Gronqvist

Johan Grönqvist

Elina Harlin

Petri Lindqvist

Juha Jakkula

Vesa Niemi

Jouko Nikkonen

Leena Rantanen-Kolehmainen

Raimo Linnaila

Juha Lehtonen

Varpu Markkanen

Johan Groenqvist

The invention relates to a process for the manufacture of diesel range hydrocarbons wherein a feed is hydrotreated in a hydrotreating step and isomerised in an isomerisation step, and a feed comprising fresh feed containing more than 5 wt % of free fatty acids and at least one diluting agent is hydrotreated at a reaction temperature of 200-400° C., in a hydrotreating reactor in the presence of catalyst, and the ratio of the diluting agent/fresh feed is 5-30:1.

Process for the manufacture of diesel range hydrocarbons

The invention relates to a process for the manufacture of diesel range hydrocarbons wherein a feed is hydrotreated in a hydrotreating step and isomerised in an isomerisation step, and a feed comprising fresh feed containing more than 5 wt % of free fatty acids and at least one diluting agent is hydrotreated at a reaction temperature of 200-400&#xb0; C., in a hydrotreating reactor in the presence of catalyst, and the ratio of the diluting agent/fresh feed is 5-30:1.

The invention relates to a process for the manufacture of diesel range hydrocarbons wherein a feed is hydrotreated in a hydrotreating step and isomerized in an isomerization step, and a feed comprising fresh feed containing more than 5 wt % of free fatty acids and at least one diluting agent is hydrotreated at a reaction temperature of 200-400&#xb0; C., in a hydrotreating reactor in the presence of catalyst, and the ratio of the diluting agent/fresh feed is 5-30:1.

The present invention relates to hydrocarbons and particularly to the manufacture of hydrocarbon components suitable as aviation fuels or jet fuels and as blending stocks for aviation fuels. The process comprises the stages, wherein in the first stage an oil feed of biological origin and hydrogen gas are subjected to conditions sufficient to effect hydrodeoxygenation in the presence of a hydrodeoxygenation catalyst to yield n-paraffins; in the second stage the n-paraffins and hydrogen gas are subjected to conditions sufficient to effect isomerization in the presence of an isomerization catalyst to yield isoparaffins and separating fractions; and recycling the fraction boiling at a temperature above 200&#xb0; C. under atmospheric pressure obtained from the second stage to reisomerization, where isomerization is effected in the presence of an isomerization catalyst.

Process for the manufacture of hydrocarbon components

In the process of the invention, an aliphatic C-Chydrocarbon product is prepared from natural fats or derivatives thereof. The process comprises the steps of: (i) providing a natural fat or derivative thereof, (ii) deoxygenating a natural fat or derivative thereof originating from step (i) to yield an aliphatic C-Chydrocarbon, (iii) hydrocracking an aliphatic C-Chydrocarbon originating from step (ii) to yield a product comprising an aliphatic C-Chydrocarbon, (iv) isomerising an aliphatic C-Chydrocarbon originating from step (iii) into an isomerised aliphatic C-Chydrocarbon, and optionally (v) recovering an isomerised C-Chydrocarbon originating from step (iv) as said C-Chydrocarbon product. Pure and high quality light fuel is easily obtained in sufficient amounts.

Process for the preparation of light fuels

The invention relates to a process for producing a hydrocarbon component of biological origin. The process comprises at least two steps, the first one of which is a HDO step and the second one is an isomerization step operated using the counter-current flow principle. A biological raw material containing fatty acids and/or fatty acid esters serves as the feed stock.

Process for producing a hydrocarbon component of biological origin

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Espoo, Finland

Ville Alopaeus