Patents by Inventor Pekka Jokela
Pekka Jokela has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230203383Abstract: 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 (30) of lignin feedstock (10) and solvent (20) to a thermal liquefaction step by heating (110) the feed mixture (30) at a temperature between 360 and 420 ° C., separating (120) a liquid product mix (50) from a product mix (40); and recirculating at least part of said liquid product mix (50) as an oil fraction of said solvent (20).Type: ApplicationFiled: December 19, 2022Publication date: June 29, 2023Inventors: Andrea GUTIERREZ, Roel WESTERHOF, Sascha KERSTEN, Bert HEESINK, Pekka JOKELA
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Publication number: 20230203381Abstract: The disclosure relates to a process for converting lignin (10) to renewable product (80), wherein the process comprises the following steps; mixing (100) lignin (10) with aqueous solution (20) to obtain a mixture (30); heating (110) the mixture (30) 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 (40); separating aqueous phase (53) and oil phase (50), and optionally gas (51) and solids (52), of the first product mix (40) of step (b); and heating (130) the oil phase (50) of step (c) and solvent (60) to obtain a second product mix (70). The second product mix (70) can be used as such, it can be directed to separation (140) or it can be upgraded. The obtained liquid renewable product is suitable as chemicals, fuel, fuel components or feedstock for fuel production.Type: ApplicationFiled: December 19, 2022Publication date: June 29, 2023Inventors: Andrea GUTIERREZ, Roel WESTERHOF, Sascha KERSTEN, Bert HEESINK, Pekka JOKELA
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Publication number: 20230203380Abstract: 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.Type: ApplicationFiled: December 19, 2022Publication date: June 29, 2023Inventors: Pekka JOKELA, Andrea GUTIERREZ, Roel WESTERHOF, Sascha KERSTEN, Bert HEESINK
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Patent number: 11634645Abstract: 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 (110) a mix (30) comprising lignocellulosic feedstock (10) together with acids, alkalis and/or buffers (20) added under aqueous conditions. The method typically comprises separating (120) aqueous phase (53) and oil phase (50), and optionally gas (51) and/or char (52), of the obtained hydrothermal liquefaction product (40). Preferably the separated aqueous phase (53) is recirculated to be mixed 100 with lignocellulosic feedstock (10).Type: GrantFiled: June 17, 2021Date of Patent: April 25, 2023Assignee: UPM-KYMMENE CORPORATIONInventors: Pekka Jokela, Andrea Gutierrez, Teemu Lindberg, Bert Heesink, Sascha Kersten, Roel Westerhof
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Publication number: 20230027439Abstract: The disclosure relates to a process for converting lignocellulosic feedstock (10) to renewable product (80), wherein the process comprises the following steps; treating (100) lignocellulosic feedstock (10) with aqueous solution (20) to obtain a mixture (30); heating (110) the mixture (30) of step (a) to a temperature between 290 and 340° C., under a pressure from 90 to 120 bar, to obtain a first product mix (40); separating aqueous phase (53) and oil phase (50), and optionally gas (51) and solids (52), of the first product mix (40) of step (b); and heating (130) the oil phase (50) of step (c) and solvent (60). The heating (130) is optionally followed by fractionation (200) to obtain a light fraction (90) and a heavy fraction (91) and optionally a bottom residue fraction (92) and/or a gaseous fraction.Type: ApplicationFiled: September 16, 2022Publication date: January 26, 2023Inventors: Andrea GUTIERREZ, Pekka JOKELA, Roel WESTERHOF, Sascha KERSTEN, Bert HEESINK
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Patent number: 11485913Abstract: The disclosure relates to a process for converting lignocellulosic feedstock (10) to renewable product (80), wherein the process comprises the following steps; treating (100) lignocellulosic feedstock (10) with aqueous solution (20) to obtain a mixture (30); heating (110) the mixture (30) of step (a) to a temperature between 290 and 340° C., under a pressure from 90 to 120 bar, to obtain a first product mix (40); separating aqueous phase (53) and oil phase (50), and optionally gas (51) and solids (52), of the first product mix (40) of step (b); and heating (130) the oil phase (50) of step (c) and solvent (60). The heating (130) is optionally followed by fractionation (200) to obtain a light fraction (90) and a heavy fraction (91) and optionally a bottom residue fraction (92) and/or a gaseous fraction.Type: GrantFiled: June 17, 2021Date of Patent: November 1, 2022Assignee: UPM-KYMMENE CORPORATIONInventors: Andrea Gutierrez, Pekka Jokela, Roel Westerhof, Sascha Kersten, Bert Heesink
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Publication number: 20210403812Abstract: 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 (110) a mix (30) comprising lignocellulosic feedstock (10) together with acids, alkalis and/or buffers (20) added under aqueous conditions. The method typically comprises separating (120) aqueous phase (53) and oil phase (50), and optionally gas (51) and/or char (52), of the obtained hydrothermal liquefaction product (40). Preferably the separated aqueous phase (53) is recirculated to be mixed 100 with lignocellulosic feedstock (10).Type: ApplicationFiled: June 17, 2021Publication date: December 30, 2021Inventors: Pekka JOKELA, Andrea GUTIERREZ, Teemu LINDBERG, Bert HEESINK, Sascha KERSTEN, Roel WESTERHOF
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Publication number: 20210403813Abstract: The disclosure relates to a process for converting lignocellulosic feedstock (10) to renewable product (80), wherein the process comprises the following steps; treating (100) lignocellulosic feedstock (10) with aqueous solution (20) to obtain a mixture (30); heating (110) the mixture (30) of step (a) to a temperature between 290 and 340° C., under a pressure from 90 to 120 bar, to obtain a first product mix (40); separating aqueous phase (53) and oil phase (50), and optionally gas (51) and solids (52), of the first product mix (40) of step (b); and heating (130) the oil phase (50) of step (c) and solvent (60). The heating (130) is optionally followed by fractionation (200) to obtain a light fraction (90) and a heavy fraction (91) and optionally a bottom residue fraction (92) and/or a gaseous fraction.Type: ApplicationFiled: June 17, 2021Publication date: December 30, 2021Inventors: Andrea GUTIERREZ, Pekka JOKELA, Roel WESTERHOF, Sascha KERSTEN, Bert HEESINK
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Patent number: 11046905Abstract: The present invention relates to production of renewable fuels and fuel components from plant oil originating from at least one Brassica species, where said Brassica species, doped with at least one nitrogen-fixing bacteria, is cultivated to obtain Brassica seed oil, and feedstock comprising the Brassica seed oil is converted in a converting step, whereby renewable fuel or renewable fuel components are obtained. The invention also relates to a method for reducing nitrate release in renewable fuel production. Further, the invention relates to a method for reducing greenhouse gases in renewable fuel production.Type: GrantFiled: April 30, 2019Date of Patent: June 29, 2021Assignee: UPM-KYMMENE CORPORATIONInventors: Pekka Jokela, Liisa Ranta, Timo Lehesvirta
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Patent number: 10711198Abstract: 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.Type: GrantFiled: April 13, 2016Date of Patent: July 14, 2020Assignee: Valmet Technologies OyInventors: Jukka Heiskanen, Sara Kaerki, Erkki Vaelimaeki, Reyhaneh Shenassa, Jussi Maentyniemi, Pekka Jokela, Andrea Gutierrez, Joakim Autio, Janne Asikkala
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Publication number: 20190338208Abstract: The present invention relates to production of renewable fuels and fuel components from plant oil originating from at least one Brassica species, where said Brassica species, doped with at least one nitrogen-fixing bacteria, is cultivated to obtain Brassica seed oil, and feedstock comprising the Brassica seed oil is converted in a converting step, whereby renewable fuel or renewable fuel components are obtained. The invention also relates to a method for reducing nitrate release in renewable fuel production. Further, the invention relates to a method for reducing greenhouse gases in renewable fuel production.Type: ApplicationFiled: April 30, 2019Publication date: November 7, 2019Inventors: Pekka JOKELA, Liisa RANTA, Timo LEHESVIRTA
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Publication number: 20190335693Abstract: The present invention relates to production of renewable fuels and fuel components from plant oil originating from at least one Brassica species, where said Brassica species, doped with at least one nitrogen-fixing bacteria is cultivated, in a rotating manner by alternating with at least one nitrogen-fixing plant species, plant oil is obtained from the Brassica species, and converted to renewable fuel or renewable fuel components. The invention also relates to a method for reducing nitrate release in renewable fuel production. Further, the invention relates to a method for reducing greenhouse gases in renewable fuel production.Type: ApplicationFiled: April 30, 2019Publication date: November 7, 2019Inventors: Pekka JOKELA, Liisa RANTA, Timo LEHESVIRTA
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Patent number: 10407304Abstract: The invention relates to the use of biomethanol from the pulp industry in the production of biohydrogen. The preferred biomethanol comprises purified biomethanol derived from black liquor. The invention also relates to a process for the production of biohydrogen from crude biomethanol recovered from black liquor and to a process for producing hydrocarbon biofuel using such biohydrogen as a hydrogen source. The invention further relates to a biofuel production facility for producing fuel from biohydrogen and biohydrocarbon, and to biofuel so produced. The invention makes it possible to produce a biofuel, wherein 100% of the raw material stems from non-fossil sources.Type: GrantFiled: December 9, 2015Date of Patent: September 10, 2019Assignee: UPM-KYMMENE OYJInventors: Petri Kukkonen, Pekka Knuuttila, Pekka Jokela
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Patent number: 10106750Abstract: A process for upgrading pyrolysis oil that includes heating pyrolysis oil in the absence of added catalyst at 100° C. to 200° 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° C. to 400° 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.Type: GrantFiled: March 14, 2013Date of Patent: October 23, 2018Assignee: UPM-KYMMENE CORPORATIONInventors: Andrea Gutierrez, Pekka Jokela, Jaakko Nousiainen
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Publication number: 20180057753Abstract: 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.Type: ApplicationFiled: April 13, 2016Publication date: March 1, 2018Inventors: Jukka Heiskanen, Sara Kaerki, Erkki Vaelimaeki, Reyhaneh Sheenassa, Jussi Maentyniemi, Pekka Jokela, Andrea Gutierrez, Juakim Autio, Janne Asikkala
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Patent number: 9434615Abstract: The invention relates to a method and apparatus for producing liquid hydro carbonaceous product (1) such as biofuel from solid biomass (2). The method comprises a gasifying step for gasifying solid biomass (2) in a gasifier (6) to produce raw synthesis gas (3), conditioning of the raw synthesis gas (3) to purify the raw synthesis gas (3) to obtain purified synthesis gas (4) having a molar ratio of hydrogen to carbon monoxide between 2.5 to 1 and 0.5 to 1, preferably to between 2.1 to 1 and 1.8 to 1, more preferably about 2 to 1, and subjecting purified synthesis gas (4) to a Fischer-Tropsch synthesis in a Fischer-Tropsch reactor (5) to produce liquid hydro carbonaceous product (1).Type: GrantFiled: July 18, 2008Date of Patent: September 6, 2016Assignee: UPM-KYMMENE OYJInventors: Petri Kukkonen, Pekka Knuuttila, Pekka Jokela
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Publication number: 20160083252Abstract: The invention relates to the use of biomethanol from the pulp industry in the production of biohydrogen. The preferred biomethanol comprises purified biomethanol derived from black liquor. The invention also relates to a process for the production of biohydrogen from crude biomethanol recovered from black liquor and to a process for producing hydrocarbon biofuel using such biohydrogen as a hydrogen source. The invention further relates to a biofuel production facility for producing fuel from biohydrogen and biohydrocarbon, and to biofuel so produced. The invention makes it possible to produce a biofuel, wherein 100% of the raw material stems from non-fossil sources.Type: ApplicationFiled: December 9, 2015Publication date: March 24, 2016Inventors: Petri Kukkonen, Pekka Knuuttila, Pekka Jokela
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Patent number: 9133027Abstract: The invention relates to a method and apparatus for producing synthesis gas (7) from biomass (2). The method comprises a step for producing raw product gas (3), and a purifying step comprising several processing steps performed in gas processing means (10, 12, 13, 14) for converting the raw product gas (3) to synthesis gas (7). One processing step is a carbon dioxide removal step for separating carbon dioxide from the stream of raw product gas (3) in a gas processing means comprising a gas purificator (10). The method comprises a step for feeding a stream of the carbon dioxide (9) from the gas purificator (10) to at least one part of the apparatus, said at least one part of the apparatus being selected from: the biomass supply system (4), the gasifier (6) and at least one of the gas processing means (10, 12, 13, 14).Type: GrantFiled: July 18, 2008Date of Patent: September 15, 2015Assignee: UPM-KYMMENE CORPORATIONInventors: Petri Kukkonen, Pekka Knuuttila, Pekka Jokela
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Publication number: 20150191655Abstract: The invention relates to an apparatus for producing a pyrolysis product, the apparatus comprising a pyrolysis reactor for forming pyrolysis product fractions from raw material by fast pyrolysis, a condensing device for condensing gaseous pyrolysis product fractions to mainly liquid pyrolysis product fractions, a combustion boiler arranged in conjunction with the pyrolysis reactor for forming energy fractions, and feeding devices for feeding raw materials to the pyrolysis reactor and the combustion boiler. According to the invention, the apparatus comprises a separating device arranged substantially in conjunction with the pyrolysis reactor for separating other fractions from the gaseous pyrolysis product fractions after the pyrolysis and means for conducting other fractions than the gaseous pyrolysis product fractions from the separator to the combustion boiler.Type: ApplicationFiled: March 23, 2015Publication date: July 9, 2015Inventors: Kai SIPILÄ, Yrjö SOLANTAUSTA, Pekka JOKELA, Markku RAIKO
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Patent number: 9045694Abstract: The invention relates to a method of carrying out pyrolysis process in a pyrolysis reactor for solid fuel to produce pyrolysis oil. The method comprises supplying solid fuel into a drying zone in the pyrolysis reactor for removing moisture containing gases, drying the solid fuel in the drying zone and extracting the moisture containing gases removed from the solid fuel out of the pyrolysis reactor, passing the dried solid fuel from the drying zone to the pyrolysis zone of the pyrolysis reactor, pyrolyzing the dried solid fuel for separating pyrolysis gases from the dried solid fuel and conducting the pyrolysis gases from the pyrolysis reactor to a condenser for producing pyrolysis oil.Type: GrantFiled: June 1, 2010Date of Patent: June 2, 2015Assignee: VALMET TECHNOLOGIES OYInventors: Pekka Jokela, Jani Lehto