Patents by Inventor Thomas Sandahl Christensen
Thomas Sandahl Christensen 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).
-
Publication number: 20240124786Abstract: Process and plant for producing a hydrocarbon product boiling in the gasoline boiling range, comprising: upgrading a naphtha containing stream derived from Fischer-Tropsch (FT) synthesis by passing the naphtha containing stream through an aromatization stage comprising contacting the naphtha containing stream with an aluminosilicate zeolite, thereby producing said hydrocarbon product boiling in the gasoline boiling range, and a separate light hydrocarbon gas stream, such as liquid petroleum gas (LPG) stream. The synthesis gas for the FT-synthesis is produced by electrically heated reverse water gas shift (e-RWGS) of a feedstock comprising CO2 and H2.Type: ApplicationFiled: February 9, 2022Publication date: April 18, 2024Applicant: TOPSOE A/SInventors: Ole Frej ALKILDE, Angelica HIDALGO VIVAS, Kim AASBERG-PETERSEN, Peter Mølgaard MORTENSEN, Thomas Sandahl CHRISTENSEN
-
Publication number: 20230356177Abstract: A plant, such as a hydrocarbon plant, is provided, which has a syngas stage (A) for syngas generation and a synthesis stage (B) where said syngas is synthesized to produce syngas derived product, such as hydrocarbon product. The syngas stage (A) primarily includes electrically heated reverse water gas shift (e-RWGS) section. Additionally, an electrically-heated steam methane reforming (e-SMR) section (II) can be arranged in parallel to the e-RWGS section (I). The plant makes effective use of various streams; in particular CO2 and H2. A method for producing a product stream, such as a hydrocarbon product stream is also provided.Type: ApplicationFiled: October 13, 2021Publication date: November 9, 2023Inventors: Sudip DE SARKAR, Kim AASBERG-PETERSEN, Thomas Sandahl CHRISTENSEN, Peter Mølgaard MORTENSEN
-
Publication number: 20230339747Abstract: A syngas stage, for use in a chemical plant, is provided, which includes a methanation section and an autothermal reforming section. The syngas stage makes effective utilization of CO2 rich stream and H2 rich stream. The syngas stage may include an external feed of hydrocarbons. A method for producing a syngas stream is also provided.Type: ApplicationFiled: October 12, 2021Publication date: October 26, 2023Applicant: TOPSOE A/SInventors: Kim AASBERG-PETERSEN, Thomas Sandahl CHRISTENSEN, Sudip DE SARKAR
-
Patent number: 11795118Abstract: A refractory lining in a combustion chamber operating in a reducing atmosphere. The lining includes at least one or more Zirconia (Zr)-based refractory lining members comprising one or more Zr-based parts. The Zr-based parts comprise at least 90 wt. %, preferably at least 95 wt. %, of monoclinic ZrO2 and/or partially stabilized ZrO2 and/or fully stabilized ZrO2, wherein the total content of tetragonal and cubic ZrO2 amounts to at least 20 wt. %, preferably more than 35 wt. %, as well as Zr based refractory lining members and methods for manufacturing the Zr based refractory lining members.Type: GrantFiled: February 11, 2021Date of Patent: October 24, 2023Assignees: Topsoe A/S, P-D Refractories GmbHInventors: Johannes Ruben Larsen, Fred Brunk, Thomas Sandahl Christensen, Søren Gyde Thomsen
-
Publication number: 20230249968Abstract: Method and plant for producing a synthesis gas for use in the production of a hydrocarbon product, particularly a synthetic fuel, comprising: providing a hydrocarbon feed gas, providing a first oxygen rich stream by passing air through an air separation unit (ASU), carrying out autothermal reforming of said hydrocarbon feed gas in an autothermal reforming (ATR) unit, said autothermal reforming including using at least a portion of said first oxygen containing stream, providing at least part of said synthesis gas to a synthetic fuel synthesis unit for converting said synthesis gas into said hydrocarbon product and producing a tail gas, recycling part or the entirety of said tail gas to upstream said ATR, providing a first hydrogen rich stream and a second oxygen rich stream, and adding at least a portion of said first hydrogen rich stream to said synthesis gas prior to entering said synthetic fuel synthesis unit.Type: ApplicationFiled: August 11, 2021Publication date: August 10, 2023Applicant: TOPSOE A/SInventors: Kim AASBERG-PETERSEN, Thomas Sandahl CHRISTENSEN
-
Patent number: 11713282Abstract: A method for producing a refractory lining in a combustion chamber operating in a reducing atmosphere. The lining includes at least one or more Zirconia (Zr)-based refractory lining members comprising one or more Zr-based parts. The Zr-based parts comprise at least 90 wt. %, preferably at least 95 wt. %, of monoclinic ZrO2 and/or partially stabilized ZrO2 and/or fully stabilized ZrO2, wherein the total content of tetragonal and cubic ZrO2 amounts to at least 20 wt. %, preferably more than 35 wt. %, as well as Zr based refractory lining members and methods for manufacturing the Zr based refractory lining members.Type: GrantFiled: February 11, 2021Date of Patent: August 1, 2023Assignees: Topsoe A/S, P-D Refractories GmbHInventors: Johannes Ruben Larsen, Fred Brunk, Thomas Sandahl Christensen, Søren Gyde Thomsen
-
Publication number: 20230234842Abstract: A plant, such as a hydrocarbon plant, is provided, which has a syngas stage for syngas generation and a synthesis stage where the syngas is synthesized to produce syngas derived product, such as hydrocarbon product. The plant makes effective use of various streams; in particular CO2 and H2. The plant does not comprise an external feed of hydrocarbons. A method for producing a product stream, such as a hydrocarbon product stream is also provided.Type: ApplicationFiled: March 27, 2023Publication date: July 27, 2023Applicant: HALDOR TOPSØE A/SInventors: Sudip DE SARKAR, Thomas Sandahl CHRISTENSEN, Martin ØSTBERG, Kim AASBERG-PETERSEN
-
Publication number: 20230227373Abstract: A refractory lining in a combustion chamber operating in a reducing atmosphere. The lining includes at least one or more Zirconia (Zr)-based refractory lining members comprising one or more Zr-based parts. The Zr-based parts comprise at least 90 wt. %, preferably at least 95 wt. %, of monoclinic ZrO2 and/or partially stabilized ZrO2 and/or fully stabilized ZrO2, wherein the total content of tetragonal and cubic ZrO2 amounts to at least 20 wt. %, preferably more than 35 wt. %, as well as Zr based refractory lining members and methods for manufacturing the Zr based refractory lining members.Type: ApplicationFiled: March 27, 2023Publication date: July 20, 2023Inventors: Johannes Ruben Larsen, Fred Brunk, Thomas Sandahl Christensen, Søren Gyde Thomsen
-
Publication number: 20220169503Abstract: A reactor vessel for high temperature catalytic reactions is provided, in which the inlet portion has a particular design. A plant comprising this reactor vessel is also provided.Type: ApplicationFiled: April 15, 2020Publication date: June 2, 2022Applicant: HALDOR TOPSØE A/SInventors: Peter Mølgaard MORTENSEN, Michael BOE, Louise Jivan SHAH, Thomas Sandahl CHRISTENSEN
-
Publication number: 20220081289Abstract: A plant, such as a hydrocarbon plant, is provided, which consists of a syngas stage for syngas generation and a synthesis stage where said syngas is synthesized to produce syngas derived product, such as hydrocarbon product. The plant makes effective use of various streams; in particular CO2 and H2. The plant does not comprise an external feed of hydrocarbons. A method for producing a product stream, such as a hydrocarbon product stream is also provided.Type: ApplicationFiled: April 7, 2020Publication date: March 17, 2022Applicant: HALDOR TOPSØE A/SInventors: Sudip DE SARKAR, Thomas Sandahl CHRISTENSEN, Martin ØSTBERG, Kim AASBERG-PETERSEN
-
Publication number: 20220081292Abstract: A plant, such as a hydrocarbon plant, is provided, which consists of a syngas stage for syngas generation and a synthesis stage where said syngas is synthesized to produce syngas derived product, such as hydrocarbon product. The plant makes effective use of various streams; in particular CO2 and H2. A method for producing a product stream, such as a hydrocarbon product stream is also provided.Type: ApplicationFiled: April 3, 2020Publication date: March 17, 2022Applicant: HALDOR TOPSØE A/SInventors: Sudip DE SARKAR, Martin ØSTBERG, Thomas Sandahl CHRISTENSEN, Kim AASBERG-PETERSEN
-
Publication number: 20210188722Abstract: A refractory lining in a combustion chamber operating in a reducing atmosphere. The lining includes at least one or more Zirconia (Zr)-based refractory lining members comprising one or more Zr-based parts. The Zr-based parts comprise at least 90 wt. %, preferably at least 95 wt. %, of monoclinic ZrO2 and/or partially stabilized ZrO2 and/or fully stabilized ZrO2, wherein the total content of tetragonal and cubic ZrO2 amounts to at least 20 wt. %, preferably more than 35 wt. %, as well as Zr based refractory lining members and methods for manufacturing the Zr based refractory lining members.Type: ApplicationFiled: February 11, 2021Publication date: June 24, 2021Inventors: Johannes Ruben Larsen, Fred Brunk, Thoma Sandahl Christensen, Søren Gyde Thomsen
-
Publication number: 20210163369Abstract: A method for producing a refractory lining in a combustion chamber operating in a reducing atmosphere. The lining includes at least one or more Zirconia (Zr)-based refractory lining members comprising one or more Zr-based parts. The Zr-based parts comprise at least 90 wt. %, preferably at least 95 wt. %, of monoclinic ZrO2 and/or partially stabilized ZrO2 and/or fully stabilized ZrO2, wherein the total content of tetragonal and cubic ZrO2 amounts to at least 20 wt. %, preferably more than 35 wt. %, as well as Zr based refractory lining members and methods for manufacturing the Zr based refractory lining members.Type: ApplicationFiled: February 11, 2021Publication date: June 3, 2021Inventors: Johannes Ruben Larsen, Fred Brunk, Thomas Sandahl Christensen, Søren Gyde Thomsen
-
Patent number: 10661241Abstract: The invention relates to a chemical reactor comprising at least one catalyst support system and anti-blocking means arranged around and above a reactor opening, which prevents catalyst or other reactor parts to enter or exit a reactor opening.Type: GrantFiled: February 22, 2018Date of Patent: May 26, 2020Assignee: Haldor Topsoe A/SInventors: Anders Helbo Hansen, Thomas Sandahl Christensen, Magnus Møller Jørgensen, Johannes Ruben Larsen
-
Publication number: 20190218151Abstract: The present application relates to a refractory lining in a combustion chamber operating in a reducing atmosphere, said lining comprising at least one or more Zirconia (Zr)-based refractory lining members comprising one or more Zr-based parts, wherein the Zr-based parts comprises at least 90 wt. %, preferably at least 95 wt. %, of monoclinic ZrO>2 and/or partially stabilized ZrO>2 and/or fully stabilized ZrO>2, wherein the total content of tetragonal and cubic ZrO>2 amounts to at least 20 wt. %, preferably more than 35 wt. % as well as Zr based refractory lining members and methods for manufacturing said Zr based refractory lining members.Type: ApplicationFiled: October 9, 2017Publication date: July 18, 2019Applicants: Haldor Topsøe A/S, P-D Refractories GmbHInventors: Johannes Ruben Larsen, Fred Brunk, Thomas Sandahl Christensen, Søren Gyde Thomsen
-
Patent number: 10196572Abstract: A process and plant for conversion of a feed hydrocarbon stream to liquid hydrocarbon products in a small scale GTL plant, comprising the use of a cryogenic air separation unit (ASU), optionally together with vacuum pressure swing adsorption (VPSA), an autothermal reformer (ATR) or catalytic partial oxidation (CPO), and pressure swing adsorption (PSA) unit to produce a synthesis gas for downstream Fischer-Tropsch (FT) synthesis for production of liquid hydrocarbons.Type: GrantFiled: May 17, 2017Date of Patent: February 5, 2019Assignee: Haldor Topsoe A/SInventor: Thomas Sandahl Christensen
-
Patent number: 10106405Abstract: The present invention relates to a process for heating an ATR or POX comprising the steps of heating a process stream by at least one heating means, admitting the heated process stream to an ATR or POX reactor through a main burner, and heating the ATR or POX reactor to or above autoignition temperature of the process stream via the heated process stream.Type: GrantFiled: April 8, 2015Date of Patent: October 23, 2018Assignee: Haldor Topsoe A/SInventors: Per Juul Dahl, Thomas Sandahl Christensen
-
Patent number: 9890041Abstract: Process for the production of synthesis gas from hydrocarbon feed containing higher hydrocarbons comprising bypassing a portion of the hydrocarbon feed around a first pre-reforming stage and passing the pre-reformed and bypassed portions through at least a second pre-reforming stage.Type: GrantFiled: December 11, 2014Date of Patent: February 13, 2018Assignee: Haldor Topsoe A/SInventors: Thomas Sandahl Christensen, Pia Elholm
-
Patent number: 9752080Abstract: The invention relates to a process for the production of liquid hydrocarbons by the use of light-end fractions from downstream synthesis in the reforming section of the plant.Type: GrantFiled: March 25, 2014Date of Patent: September 5, 2017Assignee: Haldor Topsoe A/SInventors: Thomas Sandahl Christensen, Ole Frej Alkilde
-
Publication number: 20170247620Abstract: A process and plant for conversion of a feed hydrocarbon stream to liquid hydrocarbon products in a small scale GTL plant, comprising the use of a cryogenic air separation unit (ASU), optionally together with vacuum pressure swing adsorption (VPSA), an autothermal reformer (ATR) or catalytic partial oxidation (CPO), and pressure swing adsorption (PSA) unit to produce a synthesis gas for downstream Fischer-Tropsch (FT) synthesis for production of liquid hydrocarbons.Type: ApplicationFiled: May 17, 2017Publication date: August 31, 2017Inventor: Thomas Sandahl Christensen