Patents by Inventor Pauline Galliou
Pauline Galliou 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: 20230294074Abstract: An object of the present invention is a method for recycling a metal or several metals M selected from among those belonging to the columns 8 to 12 of the periodic table of elements, present at least partially in the form of metal sulphides in a porous material A comprising at least one mineral oxide and having a sulphur content higher than or equal to 2% by weight. Said method comprises the following successive steps: (1) at least one step of heat treatment of the material A in the presence of oxygen, at a temperature comprised within the range from 350° C. to 900° C.Type: ApplicationFiled: March 17, 2023Publication date: September 21, 2023Applicant: Eurecat S.A.Inventors: Franck LABRUYERE, Pauline GALLIOU
-
Method for compositional sorting of catalyst or adsorbent in mixtures of catalysts and/or adsorbents
Patent number: 10828632Abstract: A method for separation of at least one catalyst or adsorbent from a homogeneous mixture of catalysts or adsorbents, used in a method for treatment of gas or hydrocarbon feedstock, in which the grains of catalysts or adsorbents are separated according to a sorting threshold corresponding to a content of the constituent element that is sought and defined by the user.Type: GrantFiled: June 3, 2016Date of Patent: November 10, 2020Assignees: Eurecat S.A., IFP Energies NouvellesInventors: Thierry Gauthier, Charles Philippe Lienemann, Wilfried Weiss, Pierre Dufresne, Pauline Galliou -
Patent number: 10737939Abstract: A process for producing hydrogen sulfide from hydrogen and elemental sulfur, comprising: bringing the sulfur into contact with a solid catalyst comprising at least one metal, chosen from metals from groups VIB and VIII of the Periodic Table of the Elements, in metal sulfide form, at a temperature ranging from 120° C. to 160° C.; circulating the mixture of sulfur and catalyst resulting from step (a) in a reaction zone, in which said mixture is brought into contact with hydrogen, the reaction zone having a temperature at the inlet point of the catalyst of greater than or equal to 150° C. and a temperature at the outlet point of the catalyst of less than or equal to 300° C., and a pressure of less than or equal to 3 bar; separating the catalyst and the gaseous effluents containing hydrogen sulfide; and recycling the catalyst to the step of bringing.Type: GrantFiled: April 25, 2018Date of Patent: August 11, 2020Assignee: EURECAT S.A.Inventors: Pierre Dufresne, Pauline Galliou, Giuseppe Italiano, Ezio Antonino Viglianti, Franck Labruyere
-
Patent number: 10369560Abstract: The present invention relates to a method for limiting the emission of dust from catalyst grains. Said method comprises the following two consecutive steps: a first step of performing a heat treatment of the catalyst grains at a temperature no lower than 100° C., followed by a second step of coating the surface of the catalyst grains by placing same in contact with one or more coating materials having a melting point T no lower than 45° C. and which are injected in a solid state, said second step being carried out with no further addition of heat, at a temperature of T?60° C. to T?1° C., while remaining no lower than 40° C.Type: GrantFiled: June 24, 2015Date of Patent: August 6, 2019Assignee: EURECAT S.A.Inventors: Pauline Galliou, Pierre Dufresne, Mathieu Baffert, Giuseppe Italiano
-
Patent number: 10279377Abstract: A method and a device for separation of at least one catalyst and/or adsorbent from a homogeneous mixture of catalysts and/or adsorbents containing one or more metal, semi-metal or non-metal contaminant(s) deposited thereon, making it possible to separate catalysts or adsorbents according to the presence or absence of contaminant and also according to the contaminant content, starting from a sorting threshold that corresponds to a content and that is defined by the operator.Type: GrantFiled: June 3, 2016Date of Patent: May 7, 2019Assignees: EURECAT S.A., IFP Energies nouvellesInventors: Thierry Gauthier, Charles-Philippe Lienemann, Wilfried Weiss, Pierre Dufresne, Pauline Galliou
-
Publication number: 20190105649Abstract: The invention provides a process for limiting self-heating of activated particle catalysts wherein the catalyst particles are placed in motion inside a hot gas flow that passes through them and a liquid composition containing one or several film forming polymer(s) is pulverized onto the particles in motion until a protective layer is obtained on the surface of said particles containing said film forming polymer and having an average thickness of less than or equal to 20 ?m. The invention also provides the use of this process to reduce the quantities of toxic gases that may be emitted by the activated catalysts, as well as an activated catalyst for the hydroconversion of hydrocarbons covered with a continuous protective layer that are obtained by this process.Type: ApplicationFiled: December 10, 2018Publication date: April 11, 2019Inventors: Pierre Dufresne, Pauline Galliou, Mathieu Baffert, Sharath Kirumakki
-
Patent number: 10207251Abstract: A process is disclosed for limiting the emissions of gases from a porous material in the form of particles comprising a porous inorganic support and at least 0.1% by weight of one or more compounds chosen from organic compounds, halogen compounds, boron compounds and phosphorus compounds. The particles are placed in motion within a hot gas stream traversing them, and a liquid composition containing one or more film-forming polymer(s) is sprayed over the moving particles by means of a twin-fluid atomization nozzle, in which the liquid composition is mixed with a pressurized gas, with a relative atomization pressure of greater than or equal to 0.7×1005 Pa, until a protective layer containing the film-forming polymer(s) and exhibiting a mean thickness of less than or equal to 20 ?m is obtained on the surface of the said particles. A material resulting from this process is also disclosed.Type: GrantFiled: December 28, 2016Date of Patent: February 19, 2019Assignee: Eurecat S.A.Inventors: Pierre Dufresne, Pauline Galliou, Mathieu Baffert, Fabien Laboulfie
-
Patent number: 10195601Abstract: The invention provides a process for limiting self heating of activated particle catalysts wherein the catalyst particles are placed in motion inside a hot gas flow that passes through them and a liquid composition containing one or several film forming polymer(s) is pulverized onto the particles in motion until a protective layer is obtained on the surface of said particles containing said film forming polymer and having an average thickness of less than or equal to 20 ?m. The invention also provides the use of this process to reduce the quantities of toxic gases that may be emitted by the activated catalysts, as well as an activated catalyst for the hydroconversion of hydrocarbons covered with a continuous protective layer that are obtained by this process.Type: GrantFiled: July 2, 2015Date of Patent: February 5, 2019Assignee: Eurecat S. A.Inventors: Pierre Dufresne, Pauline Galliou, Mathieu Baffert, Sharath Kirumakki
-
Publication number: 20180312402Abstract: A process for producing hydrogen sulfide from hydrogen and elemental sulfur, comprising: bringing the sulfur into contact with a solid catalyst comprising at least one metal, chosen from metals from groups VIB and VIII of the Periodic Table of the Elements, in metal sulfide form, at a temperature ranging from 120° C. to 160° C.; circulating the mixture of sulfur and catalyst resulting from step (a) in a reaction zone, in which said mixture is brought into contact with hydrogen, the reaction zone having a temperature at the inlet point of the catalyst of greater than or equal to 150° C. and a temperature at the outlet point of the catalyst of less than or equal to 300° C., and a pressure of less than or equal to 3 bar; separating the catalyst and the gaseous effluents containing hydrogen sulfide; and recycling the catalyst to the step of bringing.Type: ApplicationFiled: April 25, 2018Publication date: November 1, 2018Inventors: Pierre DUFRESNE, Pauline GALLIOU, Giuseppe ITALIANO, Ezio Antonino VIGLIANTI, Franck LABRUYERE
-
METHOD FOR COMPOSITIONAL SORTING OF CATALYST OR ADSORBENT IN MIXTURES OF CATALYSTS AND/OR ADSORBENTS
Publication number: 20180161767Abstract: A method for separation of at least one catalyst or adsorbent from a homogeneous mixture of catalysts or adsorbents, used in a method for treatment of gas or hydrocarbon feedstock, in which the grains of catalysts or adsorbents are separated according to a sorting threshold corresponding to a content of the constituent element that is sought and defined by the user.Type: ApplicationFiled: June 3, 2016Publication date: June 14, 2018Applicants: Eurecat S.A., IFP Energies NouvellesInventors: Thierry GAUTHIER, Charles Philippe LIENEMANN, Wilfried WEISS, Pierre DUFRESNE, Pauline GALLIOU -
Publication number: 20180154397Abstract: A method and a device for separation of at least one catalyst and/or adsorbent from a homogeneous mixture of catalysts and/or adsorbents containing one or more metal, semi-metal or non-metal contaminant(s) deposited thereon, making it possible to separate catalysts or adsorbents according to the presence or absence of contaminant and also according to the contaminant content, starting from a sorting threshold that corresponds to a content and that is defined by the operator.Type: ApplicationFiled: June 3, 2016Publication date: June 7, 2018Applicants: EURECAT S.A., IFP Energies nouvellesInventors: Thierry GAUTHIER, Charles-Philippe LIENEMANN, Wilfried WEISS, Pierre DUFRESNE, Pauline GALLIOU
-
Patent number: 9943835Abstract: A process for ex-situ treatment of a catalyst that contains at least one hydrogenating phase, and at least one amorphous silica-alumina or a zeolite that contains acid. The process includes: a stage for introducing nitrogen by contact at a temperature that is less than 100° C., with at least one basic nitrogen-containing compound that is ammonia or a compound that can be decomposed into ammonia, the compound being introduced at a rate of 0.5-10% by weight (expressed in terms of N), and a sulfurization/activation stage with a gas that contains hydrogen and hydrogen sulfide at a temperature of at least 250° C., with this stage being carried out before or after the stage for introducing said nitrogen-containing compound, and optionally drying the catalyst that is obtained. This treatment allows a rapid, effective start-up on the hydrocracking unit.Type: GrantFiled: September 11, 2012Date of Patent: April 17, 2018Assignee: EURECAT S.A.Inventors: Pierre Dufresne, Mickaël Bremaud, Pauline Galliou, Sharath Kirumakki
-
Publication number: 20170182476Abstract: A process is disclosed for limiting the emissions of gases from a porous material in the form of particles comprising a porous inorganic support and at least 0.1% by weight of one or more compounds chosen from organic compounds, halogen compounds, boron compounds and phosphorus compounds. The particles are placed in motion within a hot gas stream traversing them, and a liquid composition containing one or more film-forming polymer(s) is sprayed over the moving particles by means of a twin-fluid atomization nozzle, in which the liquid composition is mixed with a pressurized gas, with a relative atomization pressure of greater than or equal to 0.7×105 Pa, until a protective layer containing the film-forming polymer(s) and exhibiting a mean thickness of less than or equal to 20 ?m is obtained on the surface of the said particles. A material resulting from this process is also disclosed.Type: ApplicationFiled: December 28, 2016Publication date: June 29, 2017Inventors: Pierre DUFRESNE, Pauline GALLIOU, Mathieu BAFFERT, Fabien LABOULFIE
-
Publication number: 20170157603Abstract: The present invention relates to a method for limiting the emission of dust from catalyst grains. Said method comprises the following two consecutive steps: a first step of performing a heat treatment of the catalyst grains at a temperature no lower than 100° C., followed by a second step of coating the surface of the catalyst grains by placing same in contact with one or more coating materials having a melting point T no lower than 45° C. and which are injected in a solid state, said second step being carried out with no further addition of heat, at a temperature of T?60° C. to T?1° C., while remaining no lower than 40° C.Type: ApplicationFiled: June 24, 2015Publication date: June 8, 2017Inventors: Pauline GALLIOU, Pierre DUFRESNE, Mathieu BAFFERT, Giuseppe ITALIANO
-
Publication number: 20160001279Abstract: The invention provides a process for limiting self heating of activated particle catalysts wherein the catalyst particles are placed in motion inside a hot gas flow that passes through them and a liquid composition containing one or several film forming polymer(s) is pulverized onto the particles in motion until a protective layer is obtained on the surface of said particles containing said film forming polymer and having an average thickness of less than or equal to 20 ?m. The invention also provides the use of this process to reduce the quantities of toxic gases that may be emitted by the activated catalysts, as well as an activated catalyst for the hydroconversion of hydrocarbons covered with a continuous protective layer that are obtained by this process.Type: ApplicationFiled: July 2, 2015Publication date: January 7, 2016Inventors: Pierre Dufresne, Pauline Galliou, Mathíeu Baffert, Sharath Kirumakki
-
Publication number: 20140042057Abstract: The invention relates to a process for ex-situ treatment of a catalyst that contains at least one hydrogenating phase, and at least one amorphous silica-alumina or a zeolite that contains acid sites, whereby said process comprises: A stage for introducing nitrogen by contact at a temperature that is less than 100° C., with at least one basic nitrogen-containing compound that is ammonia or a compound that can be decomposed into ammonia, with said compound being introduced at a rate of 0.5-10% by weight (expressed in terms of N), and A sulfurization/activation stage with a gas that contains hydrogen and hydrogen sulfide at a temperature of at least 250° C., with this stage being carried out before or after the stage for introducing said nitrogen-containing compound, and the catalyst that is obtained is optionally dried. This treatment allows a rapid, effective start-up on the hydrocracking unit.Type: ApplicationFiled: September 11, 2012Publication date: February 13, 2014Applicant: EURECAT S.A.Inventors: Pierre Dufresne, Mickael Bremaud, Pauline Galliou, Sharath Kirumakki
-
Patent number: 8598059Abstract: The present invention relates to a process for sulfurizing a hydrocarbon treatment catalyst, comprising: at least a first step of depositing, on the surface of the catalyst, one or more sulfurization auxiliaries of formula (I): and at least a second step, carried out after the first step, of placing the catalyst in contact with a sulfur-containing gaseous mixture containing hydrogen and a sulfur compound. This process does not comprise the deposit of any carbon sources other than the auxiliary of formula (I).Type: GrantFiled: September 10, 2010Date of Patent: December 3, 2013Assignee: Eurecat S.A.Inventors: Pierre Dufresne, Eric Nagy, Pauline Galliou
-
Patent number: 8377839Abstract: The present invention provides a process for the regeneration of a catalyst comprising at least one metal from Group VIII and at least one metal from Group VIB which are deposited on a refractory oxide support, comprising: at least one first step of heat treatment of the catalyst in the presence of oxygen and at a temperature ranging from 350° C. to 550° C.Type: GrantFiled: October 5, 2009Date of Patent: February 19, 2013Assignee: Eurecat S.A.Inventors: Pauline Galliou, Eric Nagy, Pierre Dufresne
-
Patent number: 8283278Abstract: The present invention relates to a process for sulfurizing a hydrocarbon treatment catalyst, comprising: at least a first step of depositing, on the surface of the catalyst, one or more sulfurization auxiliaries of formula (I): and at least a second step of placing the catalyst in contact with a sulfur-containing gaseous mixture containing hydrogen and a sulfur compound.Type: GrantFiled: September 10, 2010Date of Patent: October 9, 2012Assignee: Eurecat S.A.Inventors: Pierre Dufresne, Eric Nagy, Pauline Galliou
-
Patent number: 8278234Abstract: A subject-matter of the present invention is a process for the regeneration of a catalyst comprising at least one metal from Group VIII and at least one metal from Group VIB which are deposited on a refractory oxide support, comprising: at least one first step of heat treatment of the catalyst in the presence of oxygen and at a temperature ranging from 350° C. to 550° C.Type: GrantFiled: October 6, 2009Date of Patent: October 2, 2012Assignee: Eurecat S.A.Inventors: Pauline Galliou, Eric Nagy, Pierre Dufresne