Production of renewable base oil and diesel by pre-fractionation of fatty acids

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United States of America Patent

PATENT NO 11162033
SERIAL NO

16623188

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Methods are disclosed for producing renewable base oil and a diesel oil from low-value biological oils. Low-value biological oils containing free fatty acids and fatty acid esters can be processed into a renewable base oil and a renewable diesel oil by first separating at least part of the saturated free fatty acids from the feedstock and then processing separately this saturated free acid feed in a ketonisation reaction followed by hydrodeoxygenation and hydroisomerisation reactions to yield a renewable base oil stream. The remaining free fatty acid depleted feed may be processed in a separate hydrodeoxygenation and hydroisomerisation step to yield a renewable diesel stream.

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Patent OwnerAddress
NESTE OYJ02150 ESPOO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nurmi, Pekka Porvoo, FI 6 41
Toppinen, Sami Porvoo, FI 23 66

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