Ammonia Casale S.A. Patent applications |
Patent application number | Title | Published |
20150129806 | Process for Producing Ammonia Synthesis Gas and a Method for Revamping a Front-End of an Ammonia Plant - A process for producing ammonia make-up synthesis gas and a procedure for revamping a front-end of an ammonia plant for producing ammonia make-up synthesis gas are disclosed, wherein the make-up synthesis gas is produced by means of steam reforming of a hydrocarbon gaseous feedstock; said front-end includes a primary reformer, a secondary reformer, a shift conversion section, a CO2 removal section and optionally a methanation section; a shell-and-tube gas-heated reformer is installed after said secondary reformer, and a portion of the available feedstock is reformed in the tubes of said gas-heated reformer, and heat is provided to the shell side of said gas-heated reformer by at least a portion of product gas leaving the secondary reformer, possibly mixed with product gas leaving the tubes of said gas-heated reformer. | 05-14-2015 |
20140331672 | WASTE HEAT RECOVERY IN A CHEMICAL PROCESS AND PLANT, PARTICULARLY FOR THE SYNTHESIS OF AMMONIA - A method for recovering waste heat in a process for the synthesis of a chemical product, particularly ammonia, where the product is used as the working fluid of a thermodynamic cycle; the waste heat is used to increase the enthalpy content of a high-pressure liquid stream of said product ( | 11-13-2014 |
20140020365 | Method for Removing Nitrogen Oxides from Combustion Fumes with On-Site Generation of Ammonia - A method for the control of nitrogen oxides content in the combustion fumes of a thermal power plant is disclosed; the method comprises the on-site production of ammonia by the steps of: electrolysis of water as a source of hydrogen; separation of air as a source of nitrogen, formation of a make-up gas and synthesis of ammonia in a suitable synthesis loop; said on-site produced ammonia, or a solution thereof, is used for a process of reduction of nitrogen oxides in the combustion fumes. | 01-23-2014 |
20130233138 | WALL SYSTEM FOR CATALYTIC BEDS OF SYNTHESIS REACTORS AND RELATIVE PRODUCTION PROCESS | 09-12-2013 |
20130108538 | Method for Load Regulation of an Ammonia Plant | 05-02-2013 |
20130108534 | Method for Removing Nitrogen Oxides from Combustion Fumes with On-Site Generation of Ammonia | 05-02-2013 |
20130101490 | Process for Producing Ammonia Synthesis Gas - A process for producing ammonia synthesis gas from a hydrocarbon-containing feedstock, with steps of primary reforming, secondary reforming with an oxidant stream, and further treatment of the synthesis gas including shift, removal of carbon dioxide and methanation, wherein the synthesis gas delivered by secondary reforming is subject to a medium-temperature shift (MTS) at a temperature between 200 and 350° C., and primary reforming is operated with a steam-to-carbon ratio lower than 2. A corresponding method for revamping an ammonia plant is disclosed, where an existing HTS reactor is modified to operate at medium temperature, or replaced with a new MTS reactor, and the steam-to-carbon ratio in the primary reformer is lowered to a value in the range 1-5-2, thus reducing inert steam in the flow rate trough the equipments of the front-end. | 04-25-2013 |
20130087444 | Process for Selective Removal of a Product from a Gaseous System - A process for selective removal of a gaseous product (P) from a gaseous system comprising said product and other components (R | 04-11-2013 |
20130039835 | Hydrogen and Nitrogen Recovery from Ammonia Purge Gas - An ammonia plant is disclosed, where ammonia purge gas ( | 02-14-2013 |
20130014365 | Method for Modifying a Hot Wall Ammonia Reactor with Vessel Having a Partial OpeningAANM Badano; MarcoAACI ComoAACO ITAAGP Badano; Marco Como ITAANM Tarozzo; MircoAACI LigornettoAACO CHAAGP Tarozzo; Mirco Ligornetto CHAANM Maffietti; FedericoAACI Cormano (MI)AACO ITAAGP Maffietti; Federico Cormano (MI) IT - Method for modifying a hot wall ammonia reactor con vessel ( | 01-17-2013 |
20120308466 | Process for Producing Ammonia Synthesis Gas - A process for producing ammonia synthesis gas from the reforming of hydrocarbons with steam in a primary reformer ( | 12-06-2012 |
20120279033 | Method for Modernizing the Synthesis Loop of an Ammonia Plant - A method for modernizing an ammonia synthesis loop ( | 11-08-2012 |
20120213676 | Process for the Production of Ammonia Synthesis Gas With Improved Cryogenic Purification - A process and related equipment for producing ammonia synthesis gas are disclosed, wherein a raw syngas ( | 08-23-2012 |
20120207663 | Ammonia Production Process - A process for the synthesis of ammonia, where: a front-end produces a make-up syngas ( | 08-16-2012 |
20120161079 | Production of Ammonia Make-Up Syngas with Cryogenic Purification - A process and a related equipment for making ammonia make-up synthesis gas are disclosed, where: a hydrocarbon feedstock is reformed obtaining a raw ammonia make-up syngas stream; said raw syngas is purified in a cryogenic purification section refrigerated by a nitrogen-rich stream produced in an air separation unit; the nitrogen-rich stream at output of said cryogenic section is further used for adjusting the hydrogen/nitrogen ratio of the purified make-up syngas; an oxygen-rich stream is also produced in said air separation unit and is fed to the reforming section. | 06-28-2012 |
20120151923 | Waste Heat Recovery in a Chemical Process and Plant, Particularly for the Synthesis of Ammonia - A method for recovering waste heat in a process for the synthesis of a chemical product, particularly ammonia, where the product is used as the working fluid of a thermodynamic cycle; the waste heat is used to increase the enthalpy content of a high-pressure liquid stream of said product ( | 06-21-2012 |
20120141350 | PROCESS FOR REVAMPING AN AMMONIA PLANT WITH NITROGEN-BASED WASHING OF A PURGE STREAM - A process and a plant for producing ammonia, where an ASU ( | 06-07-2012 |
20110297886 | PROCESS AND EQUIPMENT FOR THE PRODUCTION OF AMMONIA MAKE-UP SYNGAS WITH AN AIR SEPARATION UNIT AS NITROGEN SOURCE - A process and a plant for producing a makeup synthesis gas ( | 12-08-2011 |
20110223090 | Process for Producing Ammonia Synthesis Gas - A process for producing ammonia synthesis gas from the reforming of hydrocarbons with steam in a primary reformer ( | 09-15-2011 |
20110168948 | Process for Producing Ammonia Synthesis Gas - A process for producing ammonia synthesis gas, where a natural gas feedstock ( | 07-14-2011 |
20110104623 | Process and a Reactor for Oxidation of a Hydrocarbon - A process and related reactor ( | 05-05-2011 |
20100303703 | Process for Producing Ammonia Synthesis Gas - The present invention concerns a process for producing ammonia synthesis gas from the reforming of hydrocarbons with steam in a primary reformer ( | 12-02-2010 |
20100051876 | PROCESS FOR THE PRODUCTION OF AMMONIA SYNTHESIS GAS WITH IMPROVED CRYOGENIC PURIFICATION - A process and related equipment for producing ammonia synthesis gas are disclosed, wherein a raw syngas ( | 03-04-2010 |
20090314994 | Process for the Production of Syngas for Ammonia Synthesis - A process for producing a synthesis gas containing hydrogen and nitrogen, suitable for production of ammonia, wherein a raw synthesis gas ( | 12-24-2009 |
20090047195 | Wall System for Catalytic Beds of Synthesis Reactors - Described here is a system ( | 02-19-2009 |
20090035206 | Ammonia Synthesis Process - In an industrial scale ammonia synthesis process ( | 02-05-2009 |
20080263957 | Reforming Process for Synthesis Gas Production and Related Plant - A reforming process for synthesis gas ( | 10-30-2008 |