Patents Assigned to APPLEXION
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Patent number: 8501252Abstract: A method is provided for decalcification of an aqueous solution that has multivalent Ca2+ and Mg2+ cations and anions able to form complexes with at least a part of the multivalent cations. The method includes replacing at least part of the anions to form complexes of the aqueous solution by monovalent anions such as Cl?, non-able to form such complexes. The method also replaces at least a part of the multivalent cations of the aqueous solution by monovalent metal cations such as Na+ and/or K+. This later replacement step is performed simultaneously with or after the first replacement step.Type: GrantFiled: August 25, 2003Date of Patent: August 6, 2013Assignee: ApplexionInventor: Marc-Andrè Theoleyre
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Patent number: 7959812Abstract: The subject of the present disclosure is a multi-column sequenced separation process and a drive for implementing this process. The disclosure applies particularly to the separation of metal derivatives such as uranium, nickel, copper, cobalt and other precious metals present in leaching effluents in hydrometallurgical processes.Type: GrantFiled: December 19, 2008Date of Patent: June 14, 2011Assignee: ApplexionInventors: Marc-André Theoleyre, Francis Gula
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Publication number: 20100326918Abstract: The subject of the present disclosure is a multi-column sequenced separation process and a drive for implementing this process. The disclosure applies particularly to the separation of metal derivatives such as uranium, nickel, copper, cobalt and other precious metals present in leaching effluents in hydrometallurgical processes.Type: ApplicationFiled: December 19, 2008Publication date: December 30, 2010Applicant: APPLEXIONInventors: Marc-André Theoleyre, Francis Gula
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Publication number: 20100317891Abstract: The invention relates to a method for the purification of worts containing optionally neutralised organic acids, which comprises the following steps: (a) removal of a portion at least of the divalent cations and optionally of a portion at least of the monovalent cations by passing the same on a cationic resin; and (b) nano-filtration of the resulting solution.Type: ApplicationFiled: December 12, 2007Publication date: December 16, 2010Applicant: APPLEXIONInventors: Marc-André Theoleyre, Yvan Bathany
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Publication number: 20100133191Abstract: The disclosure relates to a porous support for tangential flow filtration with a covering surrounding the outer surface of the support, the covering having one or more holes for the evacuation of fluid through the outer surface. The disclosure also relates to a method for preparing such a support.Type: ApplicationFiled: November 23, 2009Publication date: June 3, 2010Applicant: APPLEXIONInventors: Patrick Dupuy, Yves Berlier, Lionel Tregret, Didier Dhaler
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Publication number: 20100038313Abstract: The application relates to a method for purifying sialyllactose by ion-exclusion chromatography of a solution containing the sialyllactose on a mainly manovalent strong cationic resin, Na or K, and obtaining a sialyllactose-enriched raffinate.Type: ApplicationFiled: October 30, 2007Publication date: February 18, 2010Applicant: APPLEXIONInventor: Stanislas Baudouin
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Patent number: 7569144Abstract: The invention relates to a device for the separation of a fluid into at least two fractions, using a plurality of membrane filters, and to the use thereof. The inventive device comprises at least one sub-assembly (2a, 2b, 2c) of membrane support plates (8), with a filter membrane (10) being fixed to each of the opposing faces of the above-mentioned plates. According to the invention, the filter membrane is fixed to a part of the membrane support plate (8) that comprises means for guiding a first fraction of the fluid passing through the membranes (10) towards channels which are used to release said first fluid fraction and which are disposed in a lateral part of the plate (8). Moreover, the first fraction of the fluid is recovered inside a recovery space between the membrane (10) and one face of the membrane support plate (8). The membrane support plates (8) of each of the sub-assemblies (2a, 2b, 2c) are assembled to one another in an adjacent manner.Type: GrantFiled: May 19, 2004Date of Patent: August 4, 2009Assignee: ApplexionInventors: Olivier De Biran, Alain Wallart, Bernard Castelas, Michael Fishinger
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Patent number: 7338561Abstract: A purification method employs nanofiltration of an aqueous solution containing one or several sugars, multivalent cations, monovalent metal cations, monovalent anions and multivalent inorganic anions and/or organic acid anions. The method includes replacement of at least a part of said multivalent cations and/or said multivalent inorganic anions and organic acid anions respectively by monovalent metal cations and/or monovalent anions to produce a solution. Nanofiltration of the solution is carried out to obtain a retentate, and at least part of the retentate is subject to crystallization.Type: GrantFiled: August 27, 2003Date of Patent: March 4, 2008Assignee: ApplexionInventor: Marc-Andrè Theoleyre
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Publication number: 20060278217Abstract: A method is provided for producing lactose from whey or a permeate resulting from the ultrafiltration of whey. The method includes replacing at least part of the multivalent cations of the whey or permeate by monovalent metal cations to obtain a whey or permeate depleted of multivalent cations. The method then replaces at least part of the multivalent inorganic anions and organic acid anions of the whey or permeate, by monovalent anions non-able to form complexes with the multivalent cations, this latter replacement step is carried out before or simultaneously with the replacement of at least part of the multivalent cations of the whey or permeate. The method then crystallizes the whey or permeate resulting from the replacement steps to obtain crystallized lactose and a mother liquor enriched in monovalent metal cations.Type: ApplicationFiled: August 25, 2003Publication date: December 14, 2006Applicant: APPLEXIONInventor: Marc-Andre Theoleyre
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Patent number: 7067013Abstract: Method for producing refined sugar from sugared juice, such as raw juice from sugar cane or from sugar beet, containing sugar and impurities, which comprises the operations of: tangential filtration of the sugared juice in order to obtain a retentate and a filtrate, softening of the filtrate in order to obtain a softened filtrate, concentration of the softened filtrate in order to obtain a softened syrup, chromatography of the softened syrup in order to obtain an extract enriched in sugars and a raffinate enriched in impurities, crystallisation of the extract in two or more crystallisation/separation steps in order to obtain refined sugar and a run-off, and combination of the run-off with the softened syrup in order that they are both subjected to the chromatography operation.Type: GrantFiled: April 14, 2003Date of Patent: June 27, 2006Assignee: APPLEXIONInventors: Marc-André Theoleyre, Stanislas Baudouin
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Patent number: 7067014Abstract: A purification method employs nanofiltration of an aqueous solution containing one or several sugars, multivalent cations, monovalent metal cations, monovalent anions and multivalent inorganic anions and/or organic acid anions. The method includes replacement of at least a part of said multivalent cations and/or said multivalent inorganic anions and organic acid anions respectively by monovalent metal cations and/or monovalent anions to produce a solution. Nanofiltration of the solution is carried out to obtain a retentate, and at least part of the retentate is subject to crystallization.Type: GrantFiled: August 27, 2003Date of Patent: June 27, 2006Assignee: ApplexionInventor: Marc-Andrè Theoleyre
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Publication number: 20060107946Abstract: A purification method employs nanofiltration of an aqueous solution containing one or several sugars, multivalent cations, monovalent metal cations, monovalent anions and multivalent inorganic anions and/or organic acid anions. The method includes replacement of at least a part of said multivalent cations and/or said multivalent inorganic anions and organic acid anions respectively by monovalent metal cations and/or monovalent anions to produce a solution. Nanofiltration of the solution is carried out to obtain a retentate, and at least part of the retentate is subject to crystallization.Type: ApplicationFiled: August 27, 2003Publication date: May 25, 2006Applicant: APPLEXIONInventor: Marc-Andre Theoleyre
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Publication number: 20060003052Abstract: A method is provided for decalcification of an aqueous solution that has multivalent Ca2+ and Mg2+ cations and anions able to form complexes with at least a part of the multivalent cations. The method includes replacing at least part of the anions to form complexes of the aqueous solution by monovalent anions such as Cl?, non-able to form such complexes. The method also replaces at least a part of the multivalent cations of the aqueous solution by monovalent metal cations such as Na+ and/or K+ This later replacement step is performed simultaneously with or after the first replacement step.Type: ApplicationFiled: August 25, 2003Publication date: January 5, 2006Applicant: APPLEXIONInventor: Marc-Andre Theoleyre
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Publication number: 20030230301Abstract: Method for producing refined sugar from sugared juice, such as raw juice from sugar cane or from sugar beet, containing sugar and impurities. The method includes the steps of tangential filtration of the sugared juice in order to obtain a retentate and a filtrate, softening of the filtrate in order to obtain a softened filtrate, concentration of the softened filtrate in order to obtain a softened syrup, chromatography of the softened syrup in order to obtain an extract enriched in sugars and a raffinate enriched in impurities, crystallisation of the extract in two or more crystallisation/separation steps in order to obtain refined sugar and a run-off, and combination of the run-off with the softened syrup in order that they are both subjected to the chromatography operation.Type: ApplicationFiled: August 20, 2003Publication date: December 18, 2003Applicant: APPLEXIONInventors: Marc-Andre Theoleyre, Stanislas Baudouin
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Publication number: 20030230302Abstract: Method for producing refined sugar from sugared juice, such as raw juice from sugar cane or from sugar beet, containing sugar and impurities. The method includes the steps of tangential filtration of the sugared juice in order to obtain a retentate and a filtrate, softening of the filtrate in order to obtain a softened filtrate, concentration of the softened filtrate in order to obtain a softened syrup, chromatography of the softened syrup in order to obtain an extract enriched in sugars and a raffinate enriched in impurities, crystallisation of the extract in two or more crystallisation/separation steps in order to obtain refined sugar and a run-off, and combination of the run-off with the softened syrup in order that they are both subjected to the chromatography operation.Type: ApplicationFiled: April 22, 2003Publication date: December 18, 2003Applicant: APPLEXIONInventors: Marc-Andre Theoleyre, Stanislas Baudouin
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Patent number: 5902409Abstract: This invention relates to a process for the manufacture of crystal sugar from an aqueous sugar juice containing sugars and organic and mineral impurities, including Ca.sup.2+ and/or Mg.sup.2+ ions, such as a sugar cane or sugar beet juice, comprising the following operations:(a) concentration of said sugar juice to give a syrup, and(b) crystallization of said syrup to give a crystal sugar and a molasses,characterized in that it also comprises an operation:(c) of tangential microfiltration, tangential ultrafiltration or tangential nanofiltration, this operation being effected before operation (a).It also relates to a process for the production of crystal white sugar from a sugar juice of the sugar cane juice type, comprising the above-mentioned process for the production of crystal sugar, completed by re-melt, decolorization and crystallization operations.Type: GrantFiled: August 15, 1996Date of Patent: May 11, 1999Assignee: Societe Nouvelle de Recherches et d'Applications Industrielles d-Exchangeurs d'Ions ApplexionInventors: Robert J. Kwok, Xavier Lancrenon, Marc-Andre Theoleyre
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Patent number: 5865899Abstract: A process for refining a raw sugar, particularly raw sugar from the sugar cane sugar industry, characterized in that it comprises the steps of:(a) remelting of the raw sugar for obtaining a raw sugar syrup,(b) carbonatation or phosphatation of said raw sugar syrup, and(c) tangential microfiltration and/or tangential ultrafiltration of the raw sugar syrup, which has been subjected to carbonatation or phosphatation.The process is completed by the steps of:(d) decolorization of the sugar syrup resulting from step (c), and(e) crystallization and/or demineralization of the sugar syrup resulting from step (d).Type: GrantFiled: May 29, 1996Date of Patent: February 2, 1999Assignee: ApplexionInventors: Marc-Andre Theoleyre, Stanislas Baudoin
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Patent number: 5554227Abstract: This invention relates to a process for the manufacture of crystal sugar from an aqueous sugar juice containing sugars and organic and mineral impurities, including Ca.sup.2+ and/or Mg.sup.2+ ions, such as a sugar cane or sugar beet juice, comprising the following operations:(a) concentration of said sugar juice to give a syrup, and(b) crystallization of said syrup to give a crystal sugar and a molasses,characterized in that it also comprises an operation:(c) of tangential microfiltration, tangential ultrafiltration or tangential nanofiltration, this operation being effected before operation (a).It also relates to a process for the production of crystal white sugar from a sugar juice of the sugar cane juice type, comprising the above-mentioned process for the production of crystal sugar, completed by re-melt, decolorization and crystallization operations.Type: GrantFiled: November 12, 1993Date of Patent: September 10, 1996Assignee: Societe Nouvelle de Recherches et d'Applications Industrielles d'Echangeurs d'Ions ApplexionInventors: Robert J. Kwok, Xavier Lancrenon, Marc-Andre Theoleyre
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Patent number: 5443650Abstract: The invention relates to a process for softening an aqueous sugar juice containing sugars and Ca.sup.2+ and/or Mg.sup.2+ ions, such as a sugar factory molasses by means of a cation exchange resin, in the form of Na.sup.+ and/or K.sup.+, and for regeneration of said resin, comprising:(a) a softening step wherein the said sugar juice is brought into contact with the said cation exchange resin, in the form Na.sup.+ and/or K.sup.+, to give, on the one hand, a softened sugar juice depleted in Ca.sup.2+ and/or Mg.sup.2+ ions and charged with Na.sup.+ and/or K.sup.+ ions and, on the other hand, a cation exchange resin charged with Ca.sup.2+ and/or Mg.sup.2+ ions, and(b) a step for the regeneration of said latter resin,characterised in that the regeneration step (b) comprises bringing the said resin into contact with a liquid effluent produced on separation by chromatography of the sugars from a softened aqueous sugar juice containing sugars and Na.sup.+ and/or K.sup.Type: GrantFiled: June 11, 1993Date of Patent: August 22, 1995Assignees: Board of Supervisors of Louisiana State University and Agricultural and Mechanical College, Societe Nouvelle de Recherches et D'Applications Industrielles D'Echangeurs D'ions ApplexionInventors: Michael Saska, Xaivier Lancrenon