Assignee: Urea Casale S.A.

Location: Lugano-Besso, CH
No. of applications: 25

Application No.	Application Title	Issue Date
20120020928	GRANULES CONTAINING FILAMENTARY FUNGI AND METHOD OF PREPARATION THEREOF In a method for preparing granules containing filamentary fungi, a filamentary fungi culture is mixed with at least one modified starch and a starchy flour, then fillers and possible nutrients are added to the obtained product, obtaining a paste that is subsequently sub...	01/26/2012
20110306791	IMPROVEMENT TO THE HIGH-PRESSURE LOOP IN A PROCESS FOR SYNTHESIS OF UREA A process and a related plant layout for producing urea are disclosed, wherein the high-pressure loop (1) comprises a synthesis reactor (2), a thermal stripper (3), a condenser (4), and an adiabatic CO₂stripper (10) dispose...	12/15/2011
20110124495	PROCESS AND PLANT FOR THE PRODUCTION OF A UREA SOLUTION FOR USE IN SCR PROCESS FOR REDUCTION OF NOX A process and a plant for the preparation of an acqueous solution of urea suitable for use in a SCR process for nitrogen oxides removal, wherein the urea solution from the recovery section of a urea plant is subject to at least one step of evaporation, separating a vapo...	05/26/2011
20110054169	Process for Producing High-Quality Melamine from Urea A process for high-pressure, liquid phase conversion of urea into melamine is disclosed, where molten urea is fed to a first reaction zone (S1) where the melamine melt is under mechanical agitation, and a heat input (Q1) is provided to maintain the endothe...	03/03/2011
20100260876	VIBRATING PRILLING BUCKET FOR GRANULATION OF A FLUID SUBSTANCE A vibrating and rotating prilling bucket (15) for granulation of a fluid substance (U), said bucket (15) comprising a perforated side wall (15a) and vibrating devices (51, 52) arranged to deliver a force with constant direction (A-A). ...	10/14/2010
20100210874	Process and Plant for Urea Production A process for producing urea is disclosed, wherein liquid ammonia and carbon dioxide are reacted in a high-pressure synthesis section (100), and at least part of the carbon dioxide is fed to said synthesis section (100) in liquid phase. A plant operating a...	08/19/2010
20100140827	Fluid Bed Granulation Process Fluid bed granulation process comprising the steps of: -forming a fluid bed of seeds (S1) of a chosen substance, -feeding said fluid bed with a continuous fluid flow (L) comprising a growth liquid, -inducing and maintaining a continuous vortex (V) in said fluid b...	06/10/2010
20100140543	Process and Plant for the Production of an Aqueous Solution Comprising Urea The present invention regards a process for the production of an aqueous solution comprising urea for use in the removal of nitrogen oxides from combustion gas or fumes, the process being characterised in that it comprises the steps of: -subjecting at least a part of a ...	06/10/2010
20100095886	Fluid Bed Granulation Process A fluid bed granulation process of a predetermined substance comprises the steps of: forming, through a fluidification. air flow of predetermined flow rate, a fluid bed of granules of said substance to be granulated fed to it in the form of seeds,—feeding said fluid b...	04/22/2010
20100063321	Process for Urea Production and Related Plant A process for urea production from ammonia and carbon dioxide, in which part of the aqueous solution comprising urea, ammonium carbamate and ammonia obtained in a urea synthesis section is subjected to dissociation in a treatment section operating at a predetermined med...	03/11/2010
20090220396	Plant for Urea Production Plant for urea production from ammonia and carbon dioxide having a so-called high-pressure section which comprises a synthesis reactor and a condensation unit (7, 107) positioned inside the reactor, all substantially operating at the same pressure....	09/03/2009
20090124830	Process for Urea Production and Related Plant A process for urea production from ammonia and carbon dioxide, in which part of the aqueous solution comprising urea, ammonium carbamate and ammonia obtained in a urea synthesis section is subjected to dissociation in a treatment section operating at a predetermined med...	05/14/2009
20080299305	Fluid Bed Granulation Process A fluid bed granulation process of a predetermined substance comprises the steps of: forming, through a fluidification. air flow of predetermined flow rate, a fluid bed of granules of said substance to be granulated fed to it in the form of seeds, —feeding said fluid ...	12/04/2008
20080242890	Method for Modernizing a Urea Production Plant A method for modernizing a urea production plant including a urea synthesis reactor, a stripping unit and at least one condensation unit. The method includes providing: means in the condensation unit for substantially condensing at least a portion of a flow comprising a...	10/02/2008
20080219900	Process for Urea Production and Related Plant A process for urea production from ammonia and carbon dioxide, made to react at a predetermined high pressure in an appropriate synthesis reactor (112), from the reaction between NH₃and CO₂being obtained a reaction mixture comprising urea,...	09/11/2008
20080124256	Fluid Bed Granulation Process In order to produce granules granulometrically polidispersed in a very little range, a fluid bed granulation process of the type comprising the steps of preparing a fluid bed of seeds (S1) of the substance to be granulated, having a free surface (P) substantially...	05/29/2008
20080118414	Method for the Modernization of a Urea Production Plant A method for revamping a urea plant of the type comprising a synthesis section (2) having a urea synthesis reactor (5), a thermal stripping unit (7) and at least one horizontal condensation unit (6), a treatment section (3) operating a...	05/22/2008
20080096265	Culture Medium for the Production of Filamentary Fungi A culture medium for filamentary fungi comprising at least one carbon source chosen from the group consisting of molasses, malt extract and sucrose a nd at least one organic nitrogen source chosen from yeast extract and corn steep liquor is described; a method for produ...	04/24/2008
20080085229	Carbamate Condensation Method and Unit for Carrying Out Such a Method Method for carbamate condensation of a carbon dioxide/ammonia gaseous phase in a liquid phase in a condensation unit of the so-called submerged type comprising a heat exchange tube bundle having a predetermined number of tubes intended for carbamate condensation, wherei...	04/10/2008
20070282102	Integrated Process for Urea and Melamine Production In an integrated process for urea and melamine production, urea is produced in a urea plant (12) comprising a high pressure urea synthesis section (15) and a urea recovery section (16) for separating urea from a carbamate aqueous solution, and melam...	12/06/2007
20070032650	Integrated process for urea and melamine production In an integrated process for urea and melamine production, urea is produced in a urea plant (12) comprising a high pressure urea synthesis section (15) and a urea recovery section (16) for separating urea from a carbamate aqueous solution, and melam...	02/08/2007
20060247471	Process for urea production and plant In a process for urea production of the type comprising the reaction between ammonia and carbon dioxide in a high-pressure reactor followed by an autothermal stripping of the resulting reaction mixture so as to obtain a gaseous flow comprising ammonia and carbon dioxide...	11/02/2006
20060099118	Plant for urea production Plant for urea production from ammonia and carbon dioxide having a so-called high-pressure section which comprises a synthesis reactor and a condensation unit (7, 107) positioned inside the reactor, all substantially operating at the same pressure. ...	05/11/2006
20060052637	INTEGRATED PROCESS FOR UREA/MELAMINE PRODUCTION AND RELATED PLANT An integrated process for urea/melamine production. In the process, urea is synthesized from ammonia and carbon dioxide, obtaining molten urea and a gaseous mixture comprising steam and ammonia. The gaseous mixture is condensed, obtaining a cold aqueous ammoniacal solut...	03/09/2006
20050065374	Carbamate condensation method and unit for carrying out such a method Method for carbamate condensation of a carbon dioxide/ammonia gaseous phase in a liquid phase in a condensation unit of the so-called submerged type comprising a heat exchange tube bundle having a predetermined number of tubes intended for carbamate condensation, wherei...	03/24/2005

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Assignee: Urea Casale S.A.