Patents by Inventor Maarten Bracht
Maarten Bracht 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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Patent number: 9029429Abstract: The present invention is directed to a process for the production of hydrocarbon product from two different hydrocarbonaceous feedstocks comprising the steps of preparing a feed syngas having a hydrogen/carbon monoxide [H2/CO] molar feed ratio suitable for Fischer-Tropsch synthesis, wherein the feed syngas is prepared by combining a first syngas having a H2/CO molar ratio below the molar feed ratio and a second syngas having a H2/CO molar ratio above the molar feed ratio; the first syngas is prepared from a liquid hydrocarbon comprising feedstock as the sole source of carbon in a first syngas manufacturing process comprising a non-catalytic partial oxidation step; the second syngas is prepared from a methane comprising feedstock as the sole source of carbon in a second syngas manufacturing process comprising a heat exchange reforming step and an auto-thermal reforming step; and the first and second syngas manufacturing processes are operated in parallel.Type: GrantFiled: December 10, 2012Date of Patent: May 12, 2015Assignee: Shell Oil CompanyInventors: Maarten Bracht, Martin Philipp Rohde
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Patent number: 8956441Abstract: A method for producing a gas comprising at least 80 vol % carbon monoxide from a Fischer-Tropsch off-gas comprises: (1) feeding Fischer-Tropsch off-gas through a column comprising an adsorbent bed at high pressure and discharging effluent; (2) reducing the pressure in the column and the bed slightly; (3) rinsing the column and the adsorbent bed with methane or a mixture of methane and carbon dioxide; (4) reducing the pressure of the column and adsorbent bed to a low pressure; (5) rinsing the column and adsorbent bed with a mixture of hydrogen and nitrogen; (6) pressurizing the column and adsorbent bed to a high pressure using a mixture of hydrogen and nitrogen. The product stream obtained in step (3) comprising at least 80 vol % carbon monoxide can be sent as feed to a Fischer-Tropsch reaction. In an embodiment, a gas comprising at least 80 vol % hydrogen is also produced.Type: GrantFiled: October 25, 2012Date of Patent: February 17, 2015Assignee: Shell Oil CompanyInventors: Justus Theodorus Gerardus Te Braake, Maarten Bracht, Desmond Andrew Bungku, Wouter David Van De Graaf, Xander Linders, Sivakumar Sadasivan Vijayakumari
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Publication number: 20140350133Abstract: The present invention is directed to a process for the production of hydrocarbon product from two different hydrocarbonaceous feedstocks comprising the steps of preparing a feed syngas having a hydrogen/carbon monoxide [H2/CO] molar feed ratio suitable for Fischer-Tropsch synthesis, wherein the feed syngas is prepared by combining a first syngas having a H2/CO molar ratio below the molar feed ratio and a second syngas having a H2/CO molar ratio above the molar feed ratio; the first syngas is prepared from a liquid hydrocarbon comprising feedstock as the sole source of carbon in a first syngas manufacturing process comprising a non-catalytic partial oxidation step; the second syngas is prepared from a methane comprising feedstock as the sole source of carbon in a second syngas manufacturing process comprising a heat exchange reforming step and an auto-thermal reforming step; and the first and second syngas manufacturing processes are operated in parallel.Type: ApplicationFiled: December 10, 2012Publication date: November 27, 2014Applicant: Shell Internationale Research Maatschappij B.V.Inventors: Maarten Bracht, Martin Philipp Rohde
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Patent number: 8759406Abstract: The invention is directed to a process for the production of hydrocarbon products from a methane comprising feedstock comprising of the steps of: preparing a feed syngas comprising hydrogen and carbon monoxide having a hydrogen/carbon monoxide molar feed ratio in a syngas manufacturing process and using the feed syngas in a Fischer-Tropsch process using one or more fixed bed catalyst beds as present in one or more syngas conversion reactors thereby obtaining the hydrocarbon product and an residual tail gas. The manufacturing process comprises of two parallel operated syngas manufacturing processes starting from the same gaseous methane comprising feedstock.Type: GrantFiled: April 20, 2010Date of Patent: June 24, 2014Assignee: Shell Oil CompanyInventors: Maarten Bracht, Martin John Fernie
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Patent number: 8632697Abstract: A method for producing a gas comprising at least 80 vol % carbon monoxide from a Fischer-Tropsch off-gas comprising: (1) feeding Fischer-Tropsch off-gas through a column comprising an adsorbent bed at high pressure and discharging effluent; (2) reducing the pressure in the column and the bed slightly; (3) rinsing the column and the adsorbent bed with methane or carbon dioxide; (4) rinsing the column and the adsorbent bed with carbon dioxide; (5) reducing the pressure of the column and adsorbent bed to a low pressure; (6) rinsing the column and adsorbent bed with a mixture of hydrogen and nitrogen; (7) pressurizing the column and adsorbent bed to a high pressure using a mixture of hydrogen and nitrogen. The carbon monoxide rich product stream obtained in step (3) can be sent as feed to a Fischer-Tropsch reaction. In an embodiment, a gas comprising at least 80 vol % hydrogen is also produced.Type: GrantFiled: October 25, 2012Date of Patent: January 21, 2014Assignee: Shell Oil CompanyInventors: Justus Theodorus Gerardus Te Braake, Maarten Bracht, Desmond Andrew Bungku, Wouter David Van De Graaf, Xander Linders, Sivakumar Sadasivan Vijayakumari
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Publication number: 20130276630Abstract: A method for producing a gas comprising at least 80 vol % carbon monoxide from a Fischer-Tropsch off-gas comprises: (1) feeding Fischer-Tropsch off-gas through a column comprising an adsorbent bed at high pressure and discharging effluent; (2) reducing the pressure in the column and the bed slightly; (3) rinsing the column and the adsorbent bed with methane or a mixture of methane and carbon dioxide; (4) reducing the pressure of the column and adsorbent bed to a low pressure; (5) rinsing the column and adsorbent bed with a mixture of hydrogen and nitrogen; (6) pressurizing the column and adsorbent bed to a high pressure using a mixture of hydrogen and nitrogen. The product stream obtained in step (3) comprising at least 80 vol % carbon monoxide can be sent as feed to a Fischer-Tropsch reaction. In an embodiment, a gas comprising at least 80 vol % hydrogen is also produced.Type: ApplicationFiled: October 25, 2012Publication date: October 24, 2013Inventors: Justus Theodorus Gerardus TE BRAAKE, Maarten BRACHT, Desmond Andrew BUNGKU, Wouter David VAN DE GRAAF, Xander Linders, Sivakumar SADASIVAN VIJAYAKUMARI
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Publication number: 20130090393Abstract: The invention pertains to a lean process for the production of hydrocarbons in which a tail gas is subjected to shift conversion, carbon dioxide removal, and then to purification in a PSA to obtain a hydrogen stream comprising more than 99 vol % hydrogen. The Fischer Tropsch process is a single-stage process. The hydrogen stream can be used to upgrade the Fischer-Tropsch hydrocarbons.Type: ApplicationFiled: August 6, 2012Publication date: April 11, 2013Applicant: SHELL OIL COMPANYInventors: Maarten BRACHT, Lopamudra DEVI, Willem Pieter LEENHOUTS
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Publication number: 20120095118Abstract: The invention is directed to a process for the production of hydrocarbon products from a methane comprising feed-stock comprising of the steps of: preparing a feed syngas comprising hydrogen and carbon monoxide having a hydrogen/carbon monoxide molar feed ratio in a syngas manufacturing process and using the feed syngas in a Fischer-Tropsch process using one or more fixed bed catalyst beds as present in one or more syngas conversion reactors thereby obtaining the hydrocarbon product and an residual tail gas. The manufacturing process comprises of two parallel operated syngas manufacturing processes starting from the same gaseous methane comprising feedstock.Type: ApplicationFiled: April 20, 2010Publication date: April 19, 2012Inventors: Maarten Bracht, Martin Jonh Fernie
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Publication number: 20100184873Abstract: The invention pertains to a multi-stage process for the production of hydrocarbons from syngas comprising hydrogen and carbon monoxide, which comprises the steps of: a) providing a fresh syngas feed to a first stage Fischer-Tropsch reactor and allowing CO and hydrogen to convert into hydrocarbon products at a temperature in the range from 125 to 400° C. and a pressure in the range from 5 to 150 bar absolute, and a gaseous hourly space velocity in the range from 500 to 10000 Nl/l/h; b) feeding the effluent from the first stage reactor to a separation unit; c) removing a gasous effluent stream comprising hydrogen and CO from the separation unit; d) removing one or more other streams comprising hydrocarbon and/or water from the separation unit; e) conveying a first portion of the gaseous effluent stream to a second stage Fischer-Tropsch reactor and allowing CO and hydrogen to convert into hydrocarbon products in the second stage Fischer-Tropsch reactor at a temperature in the range from 125 to 400° C.Type: ApplicationFiled: December 17, 2009Publication date: July 22, 2010Inventors: Maarten Bracht, Maarten Hesselink, Christiaan Nijst, Thomas Joris Remans
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Patent number: 7625526Abstract: A reactor assembly for analysing the effluent stream from at least one flow-through reactor, The reactor includes a flow-through reactor for performing at least one chemical reaction. The flow-through reactor includes a reaction chamber including a reaction zone, the reaction chamber being connected to a reactor inlet for a reactant, upstream of the reaction zone and a reactor outlet for the effluent stream from the reaction zone, downstream of the reaction zone; and an analyser for subjecting the effluent stream to an analysing procedure, each reactor outlet being connected to an analyser by an effluent conduit. The reactor assembly further includes a dilution fluid supply member for adding a dilution fluid to the effluent stream, downstream of the reaction zone.Type: GrantFiled: May 13, 2002Date of Patent: December 1, 2009Assignee: Avantium International B.V.Inventors: Peter John van den Brink, Maarten Bracht, Gerardus Johannes Maria Gruter, Rene de Ruiter, Bashir Husein Harji
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Patent number: 7531139Abstract: The system comprises a tubular vessel allowing a flow of fluid through said vessel and an assembly for housing said vessel. The assembly comprises a base block having a first channel formed therein for removably housing the vessel, said first channel having first and second channel openings allowing introduction and/or discharge of a fluid into and from said first channel. The assembly also comprises a cover element having a bottom surface being releasably attachable to the first face of the base block. A first sealing element is provided between the first face of the base block and the bottom surface of the cover element, the first sealing element surrounding the first channel opening completely, and thereby sealing gastight around said first channel opening between the cover element and the base block. The system further comprises a second sealing element located in the first channel, said second sealing element sealing gastight against the inside of the first channel and the outside of the vessel.Type: GrantFiled: November 7, 2003Date of Patent: May 12, 2009Assignee: Avantium International B.V.Inventors: Peter John van den Brink, Maarten Bracht, Bashir Husein Harji
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Patent number: 7488452Abstract: The system comprises a flow through reaction vessel having an inlet, an outlet and a reaction zone intermediate said inlet and outlet. The system further comprises reagent feed means for introducing one or more reagents into said vessel, said one or more reagents forming one or more reaction products in said reaction zone. Said reagent feed means at least include a liquid feed means for introducing a liquid into said inlet of said vessel. The vessel has a liquid evaporation zone intermediate said inlet and said reaction zone. Said liquid evaporation zone comprises an evaporation structure contacting said liquid and providing a liquid residence time in said liquid evaporation zone improving evaporation of said liquid.Type: GrantFiled: May 13, 2002Date of Patent: February 10, 2009Assignee: Avantium International B.V.Inventors: Peter John van den Brink, Maarten Bracht
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Publication number: 20070070807Abstract: The invention relates to a mixing device for the homogenization of temperatures and/or concentrations in a fluid flow, having a hollow element, for conducting the fluid flow, which hollow element has: (a) a first insert positioned within the hollow element and defining an excentric passage; (b) a second insert positioned within the hollow element upstream of the first insert, wherein the second insert has a central opening; (c) a third insert positioned in the hollow element downstream of the first insert and the second insert, which third insert has at least two openings, which are evenly distributed along a concentric circle within said third insert; and (d) a fourth insert positioned in the hollow element between the first insert and the third insert, wherein the fourth insert has at least two radially extending first deflectors.Type: ApplicationFiled: May 17, 2004Publication date: March 29, 2007Inventors: Maarten Bracht, Mathijs Caanen, Kelvin Hendrie, Sander Kaart, Jurjen Van Der Meer, Benedict Ten Bosch
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Patent number: 6872482Abstract: A low-temperature fuel cell assembly including of a low-temperature fuel cell (1) in combination with a sweeping gas circuit (2) for at least the anode part thereof. The fuel gas is prepared by filtering via a semi-permeable wall (5) and the yield from this process is increased by employing sweeping gas. This sweeping gas is obtained by producing it in the sweeping gas circuit (2). During operation some of the sweeping gas is continuously discharged and fresh sweeping gas is continuously produced. With this arrangement it is possible to use hydrogen as fuel gas. Sweeping gas is obtained by injecting air (8) and combusting (9) the oxygen contained therein with hydrogen. It is also possible to perform a methanisation reaction starting from hydrogen as fuel gas by providing CO/CO2 as a result of which the sweeping gas is methane.Type: GrantFiled: December 18, 2000Date of Patent: March 29, 2005Assignee: Stichting Energieonderzoek Centrum NederlandInventors: Ruud René Van Der Woude, Maarten Bracht, Ronald Karel Antoine Maria Mallant
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Publication number: 20040202573Abstract: Described is a Reactor assembly for analysing the effluent stream from at least one flow—through reactor, comprising: —at least one flow-through reactor for performing at least one chemical reaction, the reactor comprising —a reaction chamber (1), comprising a reaction zone (2), the reaction chamber being connected to —at least one reactor inlet (3) for at least one reactant, 10 upstream of the reaction zone, —at least one reactor outlet (4) for the effluent stream from the reaction zone, downstream of the reaction zone, —at least one analyser (5) for subjecting the effluent stream to an analysing procedure, each reactor outlet being 15 connected to at least one analyser by an effluent conduit (6), wherein the reactor assembly further comprises —at least one dilution fluid supply means (10), for adding at least one dilution fluid to the effluent stream, downstream of the reaction zone, and a process for analysing a fluid effluent stream from a flow-through reactor comType: ApplicationFiled: April 23, 2004Publication date: October 14, 2004Inventors: Peter John van den Brink, Maarten Bracht, Gerardus Johannes Maria Gruter, Rene du Ruiter, Bashir Husein Harji
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Publication number: 20040156756Abstract: The system comprises a flow through reaction vessel having an inlet, an outlet and a reaction zone intermediate said inlet and outlet. The system further comprises reagent feed means for introducing one or more reagents into said vessel, said one or more reagents forming one or more reaction products in said reaction zone. Said reagent feed means at least include a liquid feed means for introducing a liquid into said inlet of said vessel. The vessel has a liquid evaporation zone intermediate said inlet and said reaction zone. Said liquid evaporation zone comprises an evaporation structure contacting said liquid and providing a liquid residence time in said liquid evaporation zone improving evaporation of said liquid.Type: ApplicationFiled: April 9, 2004Publication date: August 12, 2004Inventors: Peter John van den Brink, Maarten Bracht
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Publication number: 20040115100Abstract: The system comprises a tubular vessel allowing a flow of fluid through said vessel and an assembly for housing said vessel. The assembly comprises a base block having a first channel formed therein for removably housing the vessel, said first channel having first and second channel openings allowing introduction and/or discharge of a fluid into and from said first channel. The assembly also comprises a cover element having a bottom surface being releasably attachable to the first face of the base block. A first sealing element is provided between the first face of the base block and the bottom surface of the cover element, the first sealing element surrounding the first channel opening completely, and thereby sealing gastight around said first channel opening between the cover element and the base block. The system further comprises a second sealing element located in the first channel, said second sealing element sealing gastight against the inside of the first channel and the outside of the vessel.Type: ApplicationFiled: November 7, 2003Publication date: June 17, 2004Applicant: Avantium International B.V.Inventors: Peter John van den Brink, Maarten Bracht, Bashir Husein Harji
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Publication number: 20030104256Abstract: Low-temperature fuel cell assembly consisting of a low-temperature fuel cell in combination with a sweeping gas circuit for at least the anode part thereof. The fuel gas is prepared by filtering via a semi-permeable wall and the yield from this process is increased by employing sweeping gas. This sweeping gas is obtained by producing it in the sweeping gas circuit. During operation some of the sweeping gas is continuously discharged and fresh sweeping gas is continuously produced. With this arrangement it is possible to use hydrogen as fuel gas. Sweeping gas is obtained by injecting air and combusting the oxygen contained therein with hydrogen, It is also possible to perform a methanisation reaction starting from hydrogen as fuel gas. by providing CO/CO2, as a result of which the sweeping gas is methane.Type: ApplicationFiled: October 10, 2002Publication date: June 5, 2003Inventors: Ruud Rene Van Der Woude, Maarten Bracht, Ronald Karel Antoine Maria Mallant