Method for producing renewable fuel

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12195680
APP PUB NO 20240294838A1
SERIAL NO

18608992

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A process for preparing hydrocarbons from an oxygenated hydrocarbon feedstock, such as animal fat, having a high nitrogen impurity is described. Hydrotreatment of the oxygenated feedstock occurs in a first hydrotreating bed arranged downstream of a polishing bed. A gaseous phase is removed and the liquid hydrotreated phase is fed to the polishing bed arranged upstream of the first hydrotreating bed together with fresh hydrogen. The process effectively removes nitrogen impurities from the resultant hydrocarbon product causing an improved cloud point after isomerisation, and the arrangement makes efficient use of fresh hydrogen for polishing, providing a polished hydrocarbon product rich in dissolved hydrogen. Part of the product can be used as hydrocarbon diluent in the downstream hydrotreating bed, and/or withdrawn between the polishing and hydrotreating bed and isomerised in an isomerisation reactor.

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Patent Owner(s)

  • NESTE OYJ

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lindqvist, Petri Espoo, FI 31 101
Suntio, Ville Espoo, FI 6 2
Visuri, Olli Espoo, FI 6 4

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