Patents by Inventor Matthew John Cousins
Matthew John Cousins 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: 11926527Abstract: A method is described for controlling a furnace containing a plurality of catalyst-containing tubes heated by a combustion gas generated by a plurality of burners, said method comprising the steps of: (i) measuring path-averaged combustion gas temperatures on multiple paths through the furnace using tunable diode laser absorption spectroscopy, (ii) periodically measuring temperatures of surfaces within the furnace to obtain periodic surface temperature information, (iii) entering the path-averaged combustion gas temperatures and periodic surface temperature information into a computer model of the furnace, said model comprising parameters for controlling the furnace; and (iv) using the computer model and the temperature information to obtain optimised parameters for controlling the furnace. A system for performing the method is also described.Type: GrantFiled: August 30, 2019Date of Patent: March 12, 2024Assignee: Johnson Matthey Public Limited CompanyInventors: Matthew John Cousins, Michael Davies, John David Pach
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Patent number: 11885567Abstract: A method of recording images within a furnace using a thermal imaging camera comprising a bore scope connected to a digital camera unit is described, comprising the steps of: (a) inserting the borescope into the interior of the furnace, (b) collecting one of more images of the interior of the furnace using the thermal imaging camera with the borescope at a first position, and (c) moving the borescope from the first position to a second position and collecting one or more images of the interior of the furnace as the borescope is moved from the first position to the second position, wherein the borescope movement is guided by means of a guide device comprising a movable borescope mounting, mounted externally on the furnace.Type: GrantFiled: May 18, 2020Date of Patent: January 30, 2024Assignee: JOHNSON MATTHEY PUBLIC LIMITED COMPANYInventors: Matthew John Cousins, Michael Davies, Andrew Johnson, Peter Stones, Paul White
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Publication number: 20220221225Abstract: A method of recording images within a furnace using a thermal imaging camera comprising a bore scope connected to a digital camera unit is described, comprising the steps of: (a) inserting the borescope into the interior of the furnace, (b) collecting one of more images of the interior of the furnace using the thermal imaging camera with the borescope at a first position, and (c) moving the borescope from the first position to a second position and collecting one or more images of the interior of the furnace as the borescope is moved from the first position to the second position, wherein the borescope movement is guided by means of a guide device comprising a movable borescope mounting, mounted externally on the furnace.Type: ApplicationFiled: May 18, 2020Publication date: July 14, 2022Inventors: Matthew John COUSINS, Michael DAVIES, Andrew JOHNSON, Peter STONES, Paul WHITE
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Publication number: 20220048767Abstract: A method is described for controlling a furnace containing a plurality of catalyst-containing tubes heated by a combustion gas generated by a plurality of burners, said method comprising the steps of: (i) measuring path-averaged combustion gas temperatures on multiple paths through the furnace using tunable diode laser absorption spectroscopy, (ii) periodically measuring temperatures of surfaces within the furnace to obtain periodic surface temperature information, (iii) entering the path-averaged combustion gas temperatures and periodic surface temperature information into a computer model of the furnace, said model comprising parameters for controlling the furnace; and (iv) using the computer model and the temperature information to obtain optimised parameters for controlling the furnace. A system for performing the method is also described.Type: ApplicationFiled: August 30, 2019Publication date: February 17, 2022Inventors: Matthew John COUSINS, Michael DAVIES, John David PACH
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Patent number: 11014811Abstract: A process is described for increasing the hydrogen content of a synthesis gas mixture comprising hydrogen, carbon oxides and steam, comprising the steps of: passing the synthesis gas mixture at an inlet temperature in the range 170-500° C. over a water-gas shift catalyst to form a hydrogen-enriched shifted gas mixture, wherein the water-gas shift catalyst is in the form of a cylindrical pellet having a length C and diameter D, wherein the surface of the cylindrical pellet has two or more flutes running along its length, said cylinder having no through-holes and domed ends of lengths A and B such that (A+B+C)/D is in the range 0.25 to 0.25, and (A+B)/C is in the range 0.03 to 0.30.Type: GrantFiled: October 14, 2016Date of Patent: May 25, 2021Assignee: Johnson Matthey Public Limited CompanyInventors: Matthew John Cousins, Michele Marigo, Nicola Campbell McKidd, William Maurice Sengelow
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Publication number: 20200354215Abstract: A sintered pelletized catalyst precursor comprising iron oxides, including haematite, and Cr2O3 and optionally one or more of Al2O3, ZnO, MnO2, MgO, and/or CuO, the pelletized catalyst precursor having an iron oxide content of 60 wt % to 95 wt %, when expressed as Fe2O3, and a Cr(VI) content of less than 0.1 wt %, is physically stable on ignition or when subjected to a reducing gas sufficient to reduce the haematite to magnetite.Type: ApplicationFiled: July 24, 2020Publication date: November 12, 2020Inventors: Anne-Marie Christina Alexander, Matthew John Cousins, Michele Marigo, Nicola Campbell McKidd, William Maurice Sengelow
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Patent number: 10807866Abstract: A catalyst precursor, suitable for use after reduction as a water-gas shift catalyst, is described, which is in the form of a pellet comprising one or more oxides of iron, wherein the catalyst precursor has a pore volume 0.30 cm3/g and an average pore size in the range 60 to 140 nm The precursor may be prepared by calcination of precipitated iron compounds at temperatures in the range 400-700° C.Type: GrantFiled: October 14, 2016Date of Patent: October 20, 2020Assignee: Johnson Matthey Public Limited CompanyInventors: Anne-Marie Christina Alexander, Matthew John Cousins, Michele Marigo, Nicola Campbell McKidd, William Maurice Sengelow
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Patent number: 10722833Abstract: A process is described for removing halogen compounds, particularly chlorine compounds, from a process fluid, comprising the steps of (i) passing a process fluid containing hydrogen halide over a first sorbent to remove hydrogen halide and generate a hydrogen halide depleted process fluid and then, (ii) passing the hydrogen halide depleted process fluid over a second different sorbent to remove organic halide compounds therefrom. A purification system suitable for removing hydrogen halide and organic halide compounds from process fluids is also described.Type: GrantFiled: September 12, 2018Date of Patent: July 28, 2020Assignee: Johnson Matthey Public Limited CompanyInventors: Colin Baptist, Claire Cahill, Matthew John Cousins, David Davis, Michelle Taylor Wilson, Christopher John Young
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Patent number: 10252211Abstract: A process for removing halogen compounds, particularly chlorine compounds, from a process fluid, includes the steps of (i) passing a process fluid containing hydrogen halide over a first sorbent to remove hydrogen halide and generate a hydrogen halide depleted process fluid and then, (ii) passing the hydrogen halide depleted process fluid over a second different sorbent to remove organic halide compounds therefrom. A purification system suitable for removing hydrogen halide and organic halide compounds from process fluids is also described.Type: GrantFiled: May 30, 2012Date of Patent: April 9, 2019Assignee: Johnson Matthey Public Limited CompanyInventors: Colin Baptist, Claire Cahill, Matthew John Cousins, David Davis, Michelle Taylor Wilson, Christopher John Young
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Publication number: 20190009206Abstract: A process is described for removing halogen compounds, particularly chlorine compounds, from a process fluid, comprising the steps of (i) passing a process fluid containing hydrogen halide over a first sorbent to remove hydrogen halide and generate a hydrogen halide depleted process fluid and then, (ii) passing the hydrogen halide depleted process fluid over a second different sorbent to remove organic halide compounds therefrom. A purification system suitable for removing hydrogen halide and organic halide compounds from process fluids is also described.Type: ApplicationFiled: September 12, 2018Publication date: January 10, 2019Inventors: Colin Baptist, Claire Cahill, Matthew John Cousins, David Davis, Michelle Taylor Wilson, Christopher John Young
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Publication number: 20180354787Abstract: A process is described for increasing the hydrogen content of a synthesis gas mixture comprising hydrogen, carbon oxides and steam, comprising the steps of: passing the synthesis gas mixture at an inlet temperature in the range 170-500° C. over a water-gas shift catalyst to form a hydrogen-enriched shifted gas mixture, wherein the water-gas shift catalyst is in the form of a cylindrical pellet having a length C and diameter D, wherein the surface of the cylindrical pellet has two or more flutes running along its length, said cylinder having no through-holes and domed ends of lengths A and B such that (A+B+C)/D is in the range 0.25 to 0.25, and (A+B)/C is in the range 0.03 to 0.30.Type: ApplicationFiled: October 14, 2016Publication date: December 13, 2018Inventors: Matthew John COUSINS, Michele MARIGO, Nicola Campbell MCKIDD, William Maurice SENGELOW
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Publication number: 20180327259Abstract: A catalyst precursor, suitable for use after reduction as a water-gas shift catalyst, is described, which is in the form of a pellet comprising one or more oxides of iron, wherein the catalyst precursor has a pore volume 0.30 cm3/g and an average pore size in the range 60 to 140 nm The precursor may be prepared by calcination of precipitated iron compounds at temperatures in the range 400-700° C.Type: ApplicationFiled: October 14, 2016Publication date: November 15, 2018Inventors: Anne-Marie Christina ALEXANDER, Matthew John COUSINS, Michele MARIGO, Nicola Campbell MCKIDD, William Maurice SENGELOW
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Patent number: 10105677Abstract: A method for preparing a sorbent composition includes the steps of: applying, from a solution or a slurry, a layer of a copper compound on the surface of a support material, and drying the coated support material, wherein the thickness of the copper compound layer on the dried support is in the range 1-200 ?m. The precursor may be converted to a sorbent suitable for removing heavy metals from liquids or gases by applying one or more sulphur compounds to sulphide the copper compound and form CuS.Type: GrantFiled: September 15, 2015Date of Patent: October 23, 2018Assignee: Johnson Matthey PLCInventors: Andrew Fish, Lucy Jane Challis, Matthew John Cousins, Mark Robert Feaviour, Alison Mary Wagland, Stephen David Pollington, Edmund Hugh Stitt
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Patent number: 9873617Abstract: A method for producing a sulphided copper sorbent includes the steps of: (i) contacting a sorbent precursor material containing one or more sulphidable copper compounds, with a sulphiding gas stream including hydrogen sulphide to form a sulphided sulphur-containing sorbent material, and (ii) subjecting the sulphided sulphur-containing sorbent material to a heating step in which it is heated to a temperature above that used in the sulphiding step and ?110° C., under an inert gas selected from nitrogen, argon, helium, carbon dioxide, methane, and mixtures thereof, the inert gas optionally including hydrogen sulphide. The method provides sulphided copper sorbents that have reduced levels of elemental sulphur.Type: GrantFiled: February 25, 2013Date of Patent: January 23, 2018Assignee: JOHNSON MATTHEY PUBLIC LIMITED COMPANYInventors: Matthew John Cousins, David Davis, Paul Rafferty, Sarah Ridley, Alan Gordon Tapster
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Publication number: 20160001258Abstract: A method for preparing a sorbent composition includes the steps of: applying, from a solution or a slurry, a layer of a copper compound on the surface of a support material, and drying the coated support material, wherein the thickness of the copper compound layer on the dried support is in the range 1-200 ?m. The precursor may be converted to a sorbent suitable for removing heavy metals from liquids or gases by applying one or more sulphur compounds to sulphide the copper compound and form CuS.Type: ApplicationFiled: September 15, 2015Publication date: January 7, 2016Applicant: Johnson Matthey PLCInventors: Andrew Fish, Lucy Jane Challis, Matthew John Cousins, Mark Robert Feaviour, Alison Mary Wagland, Stephen David Pollington, Edmund Hugh Stitt
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Patent number: 9156019Abstract: A method for preparing a sorbent composition includes the steps of: (i) applying, from a solution or a slurry, a layer of a copper compound on the surface of a support material, and (ii) drying the coated support material, wherein the thickness of the copper compound layer on the dried support is in the range 1-200 ?m. The precursor may be converted to a sorbent suitable for removing heavy metals from liquids or gases by applying one or more sulphur compounds to sulphide the copper compound and form CuS.Type: GrantFiled: August 10, 2010Date of Patent: October 13, 2015Assignee: Johnson Matthey PLCInventors: Andrew Fish, Lucy Jane Challis, Matthew John Cousins, Mark Robert Feaviour, Alison Mary Wagland, Stephen David Pollington, Edmund Hugh Stitt
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Publication number: 20150060729Abstract: A method for producing a sulphided copper sorbent includes the steps of: (i) contacting a sorbent precursor material containing one or more sulphidable copper compounds, with a sulphiding gas stream including hydrogen sulphide to form a sulphided sulphur-containing sorbent material, and (ii) subjecting the sulphided sulphur-containing sorbent material to a heating step in which it is heated to a temperature above that used in the sulphiding step and ?110° C., under an inert gas selected from nitrogen, argon, helium, carbon dioxide, methane, and mixtures thereof, the inert gas optionally including hydrogen sulphide. The method provides sulphided copper sorbents that have reduced levels of elemental sulphur.Type: ApplicationFiled: February 25, 2013Publication date: March 5, 2015Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANYInventors: Matthew John Cousins, David Davis, Paul Rafferty, Sarah Ridley, Alan Gordon Tapster
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Patent number: 8969240Abstract: A sorbent, suitable for removing heavy metals, particularly mercury, from fluid streams containing a reductant such as hydrogen and/or carbon monoxide, is in the form of a shaped unit containing ?0.1% by weight in total of heavy metal selected from mercury, arsenic, lead, cadmium and antimony, and 4-75% by weight of copper in the form of one or more reduced copper sulphides which have a sulphur to copper atomic ratio of ?0.6:1.Type: GrantFiled: November 9, 2009Date of Patent: March 3, 2015Assignee: Johnson Matthey PLCInventors: Lucy Jane Hetherington, Matthew John Cousins
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Publication number: 20140296607Abstract: A process for removing halogen compounds, particularly chlorine compounds, from a process fluid, includes the steps of (i) passing a process fluid containing hydrogen halide over a first sorbent to remove hydrogen halide and generate a hydrogen halide depleted process fluid and then, (ii) passing the hydrogen halide depleted process fluid over a second different sorbent to remove organic halide compounds therefrom. A purification system suitable for removing hydrogen halide and organic halide compounds from process fluids is also described.Type: ApplicationFiled: May 30, 2012Publication date: October 2, 2014Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANYInventors: Colin Baptist, Claire Cahill, Matthew John Cousins, David Davis, Michelle Taylor Wilson, Christopher John Young
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Patent number: 8815097Abstract: An adsorbent suitable for heavy metal adsorption is described, comprising a thiol functionalized support wherein the adsorbent has a BET surface area in the range 200-500 m2/g, a pore diameter in the range 70-150 Angstroms and a pore volume ?0.25 cm3/g. The adsorbent may be used to remove heavy metals e.g. mercury and/or arsenic, from wastewater streams such as produced water or flue gas scrubber waters.Type: GrantFiled: August 12, 2009Date of Patent: August 26, 2014Assignee: Johnson Matthey PLCInventors: Matthew John Cousins, Kevin Young