Upm-kymmene Corporation

Valmet Technologies Oy

Fortum Oyj

Andrea Gutierrez

Pekka Jokela

Bert Heesink

Roel Westerhof

Sascha Kersten

Jaakko Nousiainen

Teemu Lindberg

Thomas Björklöf

Janne Asikkala

Pekka Knuuttila

Heli Laumola

Arto Rissanen

Isto Eilos

Joakim Autio

Jussi Mäntyniemi

Sara Kaerki

Erkki Vaelimaeki

Reyhaneh Shenassa

Jussi Maentyniemi

Jukka Heiskanen

Thomas Bjorklof

Erkki VÄLIMÄKI

Sara KÄRKI

The disclosure relates to a process for converting lignin () to renewable product (), wherein the process comprises the following steps; mixing () lignin () with aqueous solution () to obtain a mixture (); heating () the mixture () of step (a) to a temperature between 290 and 350° C., under a pressure from 70 to 165 bar, to obtain a first product mix (); separating aqueous phase () and oil phase (), and optionally gas () and solids (), of the first product mix () of step (b); and heating () the oil phase () of step (c) and solvent () to obtain a second product mix (). The second product mix () can be used as such, it can be directed to separation () or it can be upgraded. The obtained liquid renewable product is suitable as chemicals, fuel, fuel components or feedstock for fuel production.

Two-stage process with thermal conversion

The present disclosure relates to the thermal liquefaction of lignin, and more particularly to lignin solvolysis of a lignin feedstock chosen based on its molecular weight. The process comprises subjecting a feed mixture () of lignin feedstock () and solvent () to a thermal liquefaction step by heating () the feed mixture () at a temperature between 360 and 420° C., separating () a liquid product mix () from a product mix (); and recirculating at least part of said liquid product mix () as an oil fraction of said solvent ().

Solvolysis process

The present disclosure relates to a process for converting a combined feedstock to renewable liquid product(s), wherein the ash content of the combined feedstock of lignin feedstock and a second renewable feedstock is low. The combined feedstock is mixed with solvent, followed by solvolysis to obtain a product mix. At least part of the product mix is recirculated as the oil fraction of said solvent. The present disclosure further concerns the use of the product mix as a renewable product or use of hydroprocessed oil obtained by the process.

Solvolysis process for combined feedstock

The present disclosure relates to a method for controlling product slate of hydrothermal liquefaction by adjusting pH of hydrothermal liquefaction product aqueous phase. The pH of the hydrothermal liquefaction product aqueous phase can be adjusted by heating during hydrothermal liquefaction () a mix () comprising lignocellulosic feedstock () together with acids, alkalis and/or buffers () added under aqueous conditions. The method typically comprises separating () aqueous phase () and oil phase (), and optionally gas () and/or char (), of the obtained hydrothermal liquefaction product (). Preferably the separated aqueous phase () is recirculated to be mixedwith lignocellulosic feedstock ().

Controlling hydrothermal liquefaction

The disclosure relates to a process for converting lignocellulosic feedstock () to renewable product (), wherein the process comprises the following steps; treating () lignocellulosic feedstock () with aqueous solution () to obtain a mixture (); heating () the mixture () of step (a) to a temperature between 290 and 340&#xb0; C., under a pressure from 90 to 120 bar, to obtain a first product mix (); separating aqueous phase () and oil phase (), and optionally gas () and solids (), of the first product mix () of step (b); and heating () the oil phase () of step (c) and solvent (). The heating () is optionally followed by fractionation () to obtain a light fraction () and a heavy fraction () and optionally a bottom residue fraction () and/or a gaseous fraction.

Multistage process with hydrothermal liquefaction

The present invention relates to a process for purifying renewable feedstock comprising fatty acids, said process comprising the steps, where the renewable feedstock comprising fatty acids comprises at least one acid oil and at least another renewable feedstock, and it is treated with an aqueous medium, to obtain a mixture, and a first stream comprising water is separated from said mixture and a second stream comprising fatty acids is obtained as purified renewable feedstock.

Process for purifying renewable feedstock comprising fatty acids

The present invention relates to process for purifying renewable feedstock comprising at least one acidulated soap-stock, wherein said process comprises the steps, where the renewable feedstock comprising at least one fatty acid is treated in a treating step with an aqueous medium, and a first stream comprising water and a second stream comprising fatty acids are obtained, and the second stream is obtained as purified renewable feedstock.

Process for purifying feedstock comprising fatty acids

The present invention relates to a process for purifying renewable feedstock comprising triglycerides, said process comprising the steps, where the renewable feedstock comprising triglycerides, comprising at least one plant oil originating from a plant of the family Brassicaceae, is treated with an aqueous medium to obtain a mixture, and a first stream comprising water and a second stream comprising triglycerides are separated from said mixture, and the second stream is obtained as purified renewable feedstock.

Process for purifying renewable feedstock comprising triglycerides

A method for forming catalytically treated pyrolytic vapor product from pyrolyzable material, the method comprising burning fuel in a fluidized bed boiler, thereby heating some particulate material; transferring at least some of the heated particulate material or some other heated particulate material to a pyrolysis reactor to pyrolyze some pyrolyzable material in the pyrolysis reactor; and conveying at least some pyrolytic vapor through a catalyst bed comprising catalyst material; and conveying at least part of the formed side products upstream back to the process; thereby producing the catalytically treated pyrolytic vapor product in an resource efficient manner. In addition, a system configured to produce catalytically treated pyrolytic vapor product from pyrolyzable material. The system comprises a fluidized bed boiler; a pyrolysis reactor; a catalytic reactor; means for conveying some heated particulate material to the pyrolysis reactor; a pipeline for conveying at least some pyrolytic vapor from the pyrolysis reactor into the catalytic reactor and means for conveying at least part of the formed side products upstream back to the process for recovering heat and chemical energy bound to the side products.

Catalytic upgrading of pyrolytic vapors

Disclosed is a process for modifying of bio-oil, the process including the steps where feedstock including bio-oil is allowed react with a reducing agent in at least one polar solvent, to obtain modified bio-oil. Also disclosed is the use modified bio-oil, obtainable by the process, as heating oil, as starting material in processes for producing fuels, fuel components, fine chemicals, chemical building-blocks, and solvents.

Process for modifying bio-oil

A process for catalytically converting crude tall oil into hydrocarbons suitable as biofuel components. The crude tall oil is treated in a reactor system including a catalytically active guard bed phase and a catalytically active main reaction phase. At least one of the phases includes a catalyst bed with a combination of hydrodeoxygenating (HDO) and hydrodewaxing (HDW) catalysts. The process provides biofuel with acceptable ignition and cold flow properties.

Process for producing biofuel and biofuel components

A process for upgrading pyrolysis oil that includes heating pyrolysis oil in the absence of added catalyst at 100&#xb0; C. to 200&#xb0; C. temperature and 50 bar to 250 bar pressure, and heating the product of the first heating in the absence of added catalyst at 200&#xb0; C. to 400&#xb0; C. temperature and 50 bar to 250 bar pressure. Also, the product obtained by this process and the use of treated pyrolysis oil. Further, methods where the treated pyrolysis oil is fed to a power plant for producing electricity; is burned in a boiler for producing heating oil and/or is used as transportation fuel or as a blending component in transportation fuel.

Process for upgrading pyrolysis oil, treated pyrolysis oil and the use thereof

Disclosed is a process for converting bio-oil, wherein the process includes the steps, where a feedstock including bio-oil selected from bio-oils, any fractions of bio-oils and any combinations thereof is subjected to azeotropic distillation with at least one alcohol to yield a liquid component, and subjecting the liquid component to alcoholysis whereby converted bio-oil is obtained. The invention also relates to the use of converted bio-oil, obtainable by the process, as heating oil, as starting material in processes for producing fuels, fuel components, fine chemicals, chemical building-blocks, and solvents.

Process for converting bio-oil

The present invention relates to a process for catalytically converting material of biological origin into hydrocarbons useful as fuel components. The process includes hydrodeoxygenation and isomerization of the material. The present invention relates also to a reactor and an apparatus suitable for use in the process.

Growing community of inventors

Lappeenranta, Finland

Andrea Gutierrez