Class / Patent application number | Description | Number of patent applications / Date published |
423359000 | From elemental hydrogen and nitrogen | 64 |
20080311022 | METHODS AND APPARATUSES FOR AMMONIA PRODUCTION - Processes for the production of ammonia may include the production of nitrogen from the combustion of a stream or slipstream of hydrogen mixed with air. Hydrogen used to produce the nitrogen for an ammonia combustion process may be generated from the electrolysis of water. Hydrogen produced by the electrolysis of water may also be combined with nitrogen to produce ammonia. Apparatuses for the production of ammonia and constituents used to produce ammonia are also disclosed. | 12-18-2008 |
20100003184 | Method for storing solar thermal energy - A method for storing solar thermalenergy includes: acquiring solar thermal energy, performing a reaction to produce hydrogen from water by using a part of the acquired solar thermal energy, and performing a reaction to synthesize ammonia from nitrogen and the obtained hydrogen by using another part of the acquired solar thermal energy. | 01-07-2010 |
20100040527 | PROCESS FOR PRODUCING AMMONIA FROM BIOMASS - This invention provides a process for making ammonia from biomass. The biomass may be first reacted with oxygen and steam to generate a biosyngas comprising hydrogen (H | 02-18-2010 |
20100150810 | Method of coproducing methanol and ammonia - The present invention enables the coproduction of methanol and ammonia by using a remarkably smaller amount of raw material, natural gas, as compared with the case of independently producing either of methanol or ammonia. Specifically, the present invention provides a process of coproducing methanol and ammonia by using natural gas, LPG, butane, or naphtha as raw material, having a methanol production process (A) composed of specific steps and an ammonia production process (B) also composed of specific steps, in which (1) directing a gas rich in hydrogen recovered in a hydrogen recoverying step in the methanol production process (A) to a certain step after an air reforming step and before a ammonia synthesis step in the ammonia production process (B) to prepare additional feedstock gas for ammonia synthesis; and also (2) cooling a synthesis gas, formed in a steam reforming step in the methanol production process (A) and separating and removing condensed water from the cooled synthesis gas, mixing the water removed synthesis gas and carbon dioxide obtained by pre-compressing carbon dioxide obtained in a CO | 06-17-2010 |
20100260655 | AMMONIA SYNTHESIS APPARATUS AND PROCESS - An ammonia synthesis apparatus includes: a first gas channel; a second gas channel disposed outside the first gas channel; a third gas channel disposed outside the second gas channel; an air supply unit that supplies air to the second or third gas channel; a water supply unit that supplies water to the first gas channel; and a heat supply unit that supplies heat to the first gas channel. A metal or a metal oxide that reduces water to produce hydrogen is placed in the first gas channel. An ammonia synthesis catalyst is placed in the second gas channel located downstream of the downstream end portion of the first gas channel. The second and third gas channels are at least partially partitioned by an oxygen permeation membrane, or a nitrogen permeation membrane, so that oxygen is supplied to the third gas channel, and nitrogen is supplied to the second gas channel. | 10-14-2010 |
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 |
20110014108 | METHOD FOR STORING SOLAR THERMAL ENERGY - A method for storing solar thermal energy includes: acquiring solar thermal energy, performing a reaction to produce hydrogen from water by using a part of the acquired solar thermal energy, and performing a reaction to synthesize ammonia from nitrogen and the obtained hydrogen by using another part of the acquired solar thermal energy. | 01-20-2011 |
20110014109 | CATALYTIC REACTOR - Flow deflector that is capable of changing the flow direction of a fluid during passage through a duct. The duct is formed by an inner and outer duct, which creates an annular region in the duct. The flow deflector forces the fluid passing through the annular region of the duct to flow inside the inner duct, while the fluid passing through the inner duct is forced to flow through the annular region. Reactor tubes for catalytic reactors are formed by assembling tubes comprising said flow deflector and having a catalyst arranged in the inner tube. | 01-20-2011 |
20110064641 | AMMONIA GENERATING METHOD AND APPARATUS THEREFOR - An object of the present invention is to provide an ammonia generating method and apparatus that can be operated continuously for a long period of time, and that reduces the cost. | 03-17-2011 |
20110182797 | Nitrogen-Permeable Membranes and Uses Thereof - A nitrogen-permeable structure includes a porous support and a nitrogen-permeable membrane adjacent to the porous support. The nitrogen-permeable membrane includes a first metal and a second metal, wherein the first metal is selected from niobium, tantalum, and vanadium, and the second metal is different from the first metal. | 07-28-2011 |
20110250119 | INTEGRATED PROCESS FOR THE MANUFACTURE OF OLEFINS AND INTERMEDIATES FOR THE PRODUCTIONS OF AMMONIA AND UREA - An integrated process for the manufacture of olefins and intermediates for the production of ammonia and urea, comprising an FCC reactor, a regenerator, a steam reforming unit, an air-separation unit, an ammonia production unit and a urea production unit, is described. This process makes it possible to minimize CO | 10-13-2011 |
20110286907 | AMMONIA SYNTHESIS PROCESS - The invention provides a process for efficient synthesis of ammonia. The process includes a water-splitting step in which water is decomposed to obtain a first source gas comprising hydrogen and oxygen, a first oxygen removal step in which the oxygen contained in the first source gas is at least partially separated and removed by an oxygen separating membrane or hydrogen separating membrane to obtain a second source gas having a lower oxygen concentration than the first source gas, a second oxygen removal step in which the oxygen in the second source gas is reacted with hydrogen to produce water for removal, or is adsorbed onto an adsorption medium for removal, to obtain a third source gas having a lower oxygen concentration than the second source gas, and an ammonia synthesis step in which the hydrogen in the third source gas is reacted with nitrogen to synthesize ammonia. | 11-24-2011 |
20110293501 | LARGE SCALE GREEN MANUFACTURING OF AMMONIA USING PLASMA - A method and system for converting waste using plasma into ammonia. The method uses minimal fossil fuel, and therefore produces a minimal carbon footprint when compared to conventional processes. The method includes the steps of supplying a biomass material to a plasma melter; supplying electrical energy to the plasma melter; supplying steam to the plasma melter; extracting a syngas from the plasma melter; extracting hydrogen from the syngas; and forming ammonia from the hydrogen produced in the step of extracting hydrogen. | 12-01-2011 |
20110318251 | PRODUCING AMMONIA USING ULTRAPURE, HIGH PRESSURE HYDROGEN - In various implementations, feed streams that include ultrapure, high-pressure hydrogen streams and ultrapure, high-pressure nitrogen streams are reacted to produce ultrapure, high-pressure feed gas in a stoichiometric ratio to an ammonia synthesis reactor loop without or independent of including a methanol loop purge gas. | 12-29-2011 |
20120027661 | PROCESS AND REACTOR SYSTEM FOR PRODUCING AMMONIA USING IONIC LIQUIDS - A process and a reactor system for producing ammonia is described. The ammonia produced, such as by the Haber process, is absorbed into an ionic liquid. The removal of ammonia shifts the reaction equilibrium toward the production of ammonia, resulting in higher yields of ammonia. | 02-02-2012 |
20120070364 | High Pressure Cyrogenic Process and System for Producing Ammonia Products - Systems and methods for producing ammonia and/or ammonia products. The ammonia and/or ammonia products can be produced by compressing a gas mixture comprising nitrogen, hydrogen, methane, and argon to produce a compressed gas mixture having a pressure of from about 1,000 kPa (130 psig) to about 10,400 kPa (1,495 psig). All or a portion of the compressed gas mixture can be selectively separated at cryogenic conditions to produce a first gas comprising nitrogen and hydrogen, and a second gas comprising methane, argon, residual hydrogen and nitrogen. At least a portion of the first gas can be reacted at conditions sufficient to produce an ammonia product. | 03-22-2012 |
20120100062 | COMBINED PLANT - A combined plant is provided. The combined plant of continuously supplying hydrogen and nitrogen to an ammonia synthesis facility that continuously synthesizes ammonia from hydrogen and nitrogen, the combined plant including: a hydrogen production facility for acquiring solar energy and producing hydrogen by utilizing a part of the acquired solar energy; a nitrogen production facility for producing nitrogen from air and supplying the nitrogen to the ammonia synthesis facility; and a hydrogen storage facility for storing the hydrogen produced by the hydrogen production facility and supplying the produced hydrogen to the ammonia synthesis facility. | 04-26-2012 |
20120100063 | METHOD FOR PREPARING HIGH PURITY AMMONIA - A method for preparing high purity ammonia is provided, which comprises the following three steps of: (1) obtaining the required feed gases (i.e., hydrogen-nitrogen gas mixture) by catalytic cracking ammonia; (2) purifying the hydrogen-nitrogen gas mixture; and (3) synthesizing high purity ammonia by using the hydrogen- nitrogen gas mixture with high purity. in the provided method, the obtained ammonia with undesired purity is fed back to an ammonia catalytic cracking unit. The whole production system is a closed system without any discharging of ammonia and thus is environment friendly. Each step of the method can reduce cost. | 04-26-2012 |
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 |
20120148472 | PROCESS FOR METHANOL AND AMMONIA CO-PRODUCTION - This invention relates to a process for co-producing methanol and ammonia, wherein a syngas mixture consisting essentially of carbon monoxide (CO), carbon dioxide (CO | 06-14-2012 |
20120207663 | Ammonia Production Process - A process for the synthesis of ammonia, where: a front-end produces a make-up syngas ( | 08-16-2012 |
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 |
20130034487 | Method and Device for Producing Ammonia - A method for producing ammonia includes dissolving air in water to obtain a two-phase coexistence aqueous solution with air that is pressurized and heated to a critical state to separate critical state nitrogen, critical state oxygen and critical water from the two-phase coexistence aqueous solution. The critical water is electrolyzed to obtain super critical state hydrogen and super critical state oxygen. The critical state nitrogen reacts with the super critical state hydrogen to produce ammonia. A device for producing ammonia includes a pressurizing member and a heating member mounted between a conversion unit and a mixing unit. The conversion unit outputs a critical state gas. A synthesis unit is connected to the conversion unit by a pipe allowing the critical state gas to flow into the synthesis unit. A gas outlet pipe is connected to the synthesis unit and outputs a synthesis gas from the synthetic unit. | 02-07-2013 |
20130039833 | SYSTEMS AND METHODS FOR PRODUCING AMMONIA FERTILIZER - Provided herein are systems and methods for producing ammonia fertilizer for culturing algae and aquaculture. The integrated systems provided herein can be installed on a hydrocarbon production platform and encompasses equipment and processes for generating electricity, preparation of an aqueous electrolyte, hydrogen generation by electrolysis, catalysis of ammonia formation, collection of ammonia, and optionally a nitrogen generator, and a plurality of subsystems for algae culture, and aquaculture. | 02-14-2013 |
20130039834 | METHOD FOR PRODUCING AMMONIA - A method produces ammonia by reacting N | 02-14-2013 |
20130039835 | Hydrogen and Nitrogen Recovery from Ammonia Purge Gas - An ammonia plant is disclosed, where ammonia purge gas ( | 02-14-2013 |
20130095029 | CO-PRODUCTION OF METHANOL AND AMMONIA - Process for the co-production of methanol and ammonia from a hydrocarbon feed without venting to the atmosphere carbon dioxide captured from the methanol or ammonia synthesis gas and without using expensive air separation units, water gas shift and acid gas wash for removal of carbon. | 04-18-2013 |
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 |
20130108538 | Method for Load Regulation of an Ammonia Plant | 05-02-2013 |
20140120023 | METHODS AND SYSTEMS FOR AMMONIA PRODUCTION - A method for ammonia synthesis using a water-gas shift membrane reactor (WGSMR) is presented. The method includes carrying out a water-gas shift reaction in the WGSMR to form a first product stream and a carbon dioxide (CO | 05-01-2014 |
20140170052 | PROCESS FOR PRODUCING AMMONIA AND UREA - Disclosed is a process for the production of ammonia comprising a step wherein synthesis gas is formed by catalytic partial oxidation. Also disclosed is a process of producing urea, wherein ammonia is formed in a process involving a step of catalytic partial oxidation, and carbon dioxide formed in the same process is reacted with said ammonia so as to form urea. | 06-19-2014 |
20150044120 | METHODS AND SYSTEMS FOR PRODUCING AND PROCESSING SYNGAS IN A PRESSURE SWING ADSORPTION UNIT AND MAKING AMMONIA THEREFROM - Methods and systems for making ammonia are provided. The method can include converting carbon monoxide in a first syngas to carbon dioxide to produce a shifted syngas. At least a portion of the carbon dioxide can be separated from the shifted syngas to produce a carbon dioxide-lean syngas. Carbon monoxide and/or carbon dioxide in the carbon dioxide-lean syngas can be converted to methane to produce a methanated first syngas. A second syngas can be separated to produce a purified second syngas and a waste gas. The methanated first syngas and the purified second syngas can be combined to produce an ammonia feedstock. The ammonia feedstock can have a hydrogen to nitrogen molar ratio of about 3.5:1 to about 2.5:1. At least a portion of the hydrogen and nitrogen in the ammonia feedstock can be reacted to produce an ammonia product. | 02-12-2015 |
20150086465 | Process for Producing Ammonia Synthesis Gas - A process for producing ammonia synthesis gas from the reforming of hydrocarbons with steam in a primary reformer ( | 03-26-2015 |
20150125377 | PROCESS FOR MAKING AMMONIA - A system for producing ammonia comprises a reactor configured for receiving nitrogen feed gas and hydrogen feed gas, the reactor comprising a catalyst configured to convert at least a portion of the nitrogen gas and at least a portion of the hydrogen feed gas to ammonia to form a reactant mixture comprising the ammonia and unreacted nitrogen feed gas and unreacted hydrogen feed gas, an adsorbent configured to selective adsorb at least a portion of the ammonia from the reactant mixture, and a recycle line to recycle the unreacted nitrogen feed gas, the unreacted hydrogen feed gas, and unabsorbed ammonia to the reactor. | 05-07-2015 |
20150291437 | METHODS FOR PRODUCING SYNTHESIS GAS FOR AMMONIA PRODUCTION - A method for producing synthesis gas and ammonia by forming a synthesis gas mixture; separating solids from the synthesis gas mixture; subjecting the synthesis gas mixture to a shift reaction and separating the reaction products by a pressure swing adsorption unit. The hydrogen and nitrogen separated in the pressure swing adsorption unit are fed to an ammonia reactor to produce ammonia. | 10-15-2015 |
20160060130 | HYDROGEN AND NITROGEN RECOVERY FROM AMMONIA PURGE GAS - An ammonia plant is disclosed, where ammonia purge gas ( | 03-03-2016 |
20160083260 | A PROCESS FOR CO-PRODUCTION OF AMMONIA, UREA AND METHANOL - A process for co-production of ammonia, urea and methanol from natural gas, comprising the steps of (a) producing a synthesis gas by simultaneous feeding natural gas to an autothermal reformer (ATR) and to a steam methane reformer (SMR), the two reformers running in parallel, (b) feeding air to an air separation unit (ASU), where the air is split into oxygen, which is fed to the ATR, and nitrogen, (c) subjecting the synthesis gas from the SMR to a water gas shift, (d) removing the carbon dioxide from the synthesis gas from step (c) and leading it to urea synthesis in a urea synthesis unit, (e) combining the hydrogen-rich gas from step (d) with the nitrogen from step (b), removing catalyst poisons from the gases and leading the gas mixture to ammonia synthesis in an ammonia synthesis unit, (f) optionally removing part of the carbon dioxide from the syngas from the ATR in step (a) and leading it to urea synthesis in a urea synthesis unit and (g) leading the syngas from step (f) to the methanol synthesis unit, wherein synthesis gas from step (a) may be led either from the ATR outlet to the SMR outlet upstream from the shift stage or the other way. | 03-24-2016 |
20160152483 | AMMONIA SYNTHESIS METHOD | 06-02-2016 |
20220135414 | METHOD FOR GENERATING A GAS-PRODUCT - A method for generating a gas-product includes: a) providing a first part of a feed stream; b) providing a second part of a feed stream; c) combining the first part of the feed stream with the second part of the feed stream into the feed stream; d) heating at least one of: the first part of the feed stream, the second part of the feed stream before step c, the feed stream after step c; e) conducting the feed stream into a reactor; f) reacting the feed stream into the gas-product. To reduce investment and in particular the footprint of the machine step d) is at least partly performed by compressing the respective stream by a supersonic compressor such that the respective stream is heated. | 05-05-2022 |
423360000 | With exchanging heat between catalyst and synthesis or effluent gas | 8 |
20090297427 | Cold Wall Horizontal Ammonia Converter - Systems and methods for producing ammonia. Nitrogen and hydrogen can be supplied to a reaction zone disposed inside an inner shell. The inner shell can be disposed inside an outer shell such that a space is formed therebetween. The reaction zone can include at least one catalyst bed in indirect heat exchange with the space. The nitrogen and hydrogen can be reacted in the reaction zone in the presence of at least one catalyst to form an effluent comprising ammonia. The effluent can be recovered from the inner shell and cooled to provide a cooled effluent stream. A cooling fluid can be provided to the outer shell such that the cooling fluid flows through at least a portion of the space and is in fluid communication with the exterior of the inner shell. At least a portion of the cooled effluent can provide at least a portion of the cooling fluid. The cooling fluid can then be recovered from the outer shell as an ammonia product. | 12-03-2009 |
20110104037 | PROCESS FOR THE PRODUCTION OF AMMONIA - Process for the production of ammonia from a hydrocarbon feedstock all steam produced in the waste heat boilers of the reforming and ammonia section of the plant is superheated in one or more steam superheaters located downstream the ammonia converter in the ammonia section of the plant. There is no need for steam superheater (s) in the reforming section of the plant to cool the synthesis gas. A steam superheater for use in the process is also provided. The superheater comprises two compartments in which the first and second compartments are connected in series with respect to the steam flow and in parallel with respect to the process gas flow. | 05-05-2011 |
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 |
20110243828 | PRODUCTION OF AMMONIA FROM AIR AND WATER - A process for producing ammonia from air and water comprises producing nitrogen gas from air by pressure-swing-adsorption; producing hydrogen gas by electrolysis of water; compressing the nitrogen gas in a first cylinder to produce pressurized nitrogen gas; compressing the hydrogen gas in a second cylinder to produce pressurized hydrogen gas; compressing a mixture of the pressurized nitrogen and hydrogen gases in a third cylinder; heating the compressed mixture in the presence of a catalyst to react nitrogen and hydrogen to form ammonia; and extracting the ammonia from the mixture. A system for producing ammonia in the above process is also provided. | 10-06-2011 |
20120195817 | Systems and Methods for Producing Syngas and Products Therefrom - A method can include combusting an expanded turbine exhaust and a first fuel within a first reformer to produce a first exhaust. A hydrocarbon can be reformed in the first reformer to produce a reformed hydrocarbon and heat can be transferred from the first exhaust to a first medium. A refrigeration unit can be powered with thermal energy from the heated first medium and can cool a second medium. Heat can be transferred from one or more oxidants to the cooled second medium to produce cooled first and second oxidants. The cooled first oxidant and a second fuel can be introduced to a gas turbine unit to produce the expanded turbine exhaust and mechanical power. The cooled second oxidant can be compressed in a compressor powered with the mechanical power and the compressed second oxidant and the reformed hydrocarbon can be introduced to a second reformer to produce a syngas. | 08-02-2012 |
20140248205 | PRODUCING AMMONIA USING ULTRAPURE, HIGH PRESSURE HYDROGEN - In various implementations, feed streams that include ultrapure, high-pressure hydrogen streams and ultrapure, high-pressure nitrogen streams are reacted to produce ultrapure, high-pressure feed gas in a stoichiometric ratio to an ammonia synthesis reactor loop without or independent of including a methanol loop purge gas. | 09-04-2014 |
20150044121 | METHODS AND SYSTEMS FOR MAKING AMMONIA IN A DOUBLE AMMONIA CONVERTER SYSTEM - Methods and systems for making ammonia are provided. The method can include heating a first compressed syngas to produce a heated first syngas. The heated first syngas and a second compressed syngas can be combined to produce a combined syngas. The combined syngas can be reacted within a first ammonia converter and a second ammonia converter to produce an ammonia product. Heat from the ammonia product can be transferred to a first heat transfer medium to produce a first cooled product and a second heat transfer medium. Heat from the first cooled product can be transferred to a third heat transfer medium to produce a second cooled product. Heat from the second cooled product can be transferred to the combined syngas to produce a third cooled product. The third cooled product can be separated to produce a purified ammonia product and a recycle gas. | 02-12-2015 |
20160251228 | AMMONIA SYNTHESIS FOR FERTILIZER PRODUCTION | 09-01-2016 |
423361000 | Utilizing plurality of catalyst beds or portions | 2 |
20110206594 | Systems and Methods for Producing Syngas and Products Therefrom - Systems and methods for producing syngas and ammonia are provided. The method can include reforming a hydrocarbon in a first reaction zone in the presence of one or more first catalysts and steam at conditions sufficient to produce an effluent comprising a portion of the hydrocarbon, carbon monoxide, carbon dioxide, and hydrogen. The effluent can be reformed in a second reaction zone in the presence of one or more second catalysts and nitrogen at conditions sufficient to produce a syngas comprising methane, hydrogen, nitrogen, carbon monoxide, and carbon dioxide, or any combination thereof. At least a portion of the nitrogen and hydrogen in the syngas can be converted to ammonia to produce an ammonia effluent. The ammonia effluent can be separated to produce an ammonia product and a purge gas comprising nitrogen. At least a portion of the purge gas can be recycled to the hydrocarbon, the effluent, or a combination thereof. | 08-25-2011 |
20110293502 | APPARATUS AND PROCESS FOR THE SYNTHESIS OF AMMONIA - Described herein is an apparatus for the synthesis of ammonia from a synthesis gas containing N | 12-01-2011 |
423362000 | Utilizing metal containing catalyst | 15 |
20110158889 | SYSTEM AND METHOD FOR AMMONIA SYNTHESIS - Systems and methods are disclosed herein for synthesizing ammonia at mid- to low-pressures using nano-size metal or metal alloy catalyst particles. Hydrogen and nitrogen gases are passed through a system comprising, for example, a packed bed of supported nano-size iron or iron alloy catalyst particles having an optional oxide layer that form the catalyst. | 06-30-2011 |
20110171100 | SYSTEM AND METHOD FOR AMMONIA SYNTHESIS - Systems and methods are disclosed herein for synthesizing ammonia using nano-size metal or metal alloy catalyst particles. Hydrogen and nitrogen gases are passed through a system comprising, for example, a bed of magnetite supporting nano-size iron or iron alloy catalyst particles having an optional oxide layer that forms the catalyst. | 07-14-2011 |
20120082611 | SYSTEM AND METHOD FOR AMMONIA SYNTHESIS - Systems and methods are disclosed herein for synthesizing ammonia using nano-size metal or metal alloy catalyst particles. Hydrogen and nitrogen gases are passed through a system comprising, for example, a bed of magnetite supporting nano-size iron or iron alloy catalyst particles having an optional oxide layer that forms the catalyst. | 04-05-2012 |
20120087854 | SYSTEM AND METHOD FOR AMMONIA SYNTHESIS - Systems and methods are disclosed herein for synthesizing ammonia at mid- to low-pressures using nano-size metal or metal alloy catalyst particles . Hydrogen and nitrogen gases are passed through a system comprising, for example, a packed bed of supported nano-size iron or iron alloy catalyst particles having an optional oxide layer that form the catalyst. | 04-12-2012 |
20120308467 | SYSTEM AND METHOD FOR AMMONIA SYNTHESIS - Systems and methods are disclosed herein for synthesizing ammonia using nano-size metal or metal alloy catalyst particles. Hydrogen and nitrogen gases are passed through a system comprising, for example, a bed of magnetite supporting nano-size iron or iron alloy catalyst particles having an optional oxide layer that forms the catalyst. | 12-06-2012 |
20140186253 | METAL NANOPARTICLE-PCP COMPLEX AND MANUFACTURING METHOD THEREFOR - Provided is a composite, including a metal nanoparticle inside a porous coordination polymer (PCP), in which the PCP is formed of a metal ion and an organic ligand. | 07-03-2014 |
20150071843 | Nanofilaments of Catalytic Materials for Chemical Process Improvements - A Haber-Bosch process including the steps of providing a reactor having a substrate with catalyst filaments formed thereon. The catalyst filaments are formed of a metal including iron. A nitrogen compound and hydrogen are injected into the reactor such that at least a portion of the nitrogen compound and hydrogen contact the catalyst filaments. The nitrogen compound and hydrogen are reacted with the catalyst filaments at a temperature of less than about 600° F. and a pressure of less than about 2000 psig. | 03-12-2015 |
20150291635 | NOVEL COMPLEX AND USE OF SAME - A novel complex capable of fixing dinitrogen and use thereof are provided. A complex represented by formula (1A) or (1B) or a cationic or anionic complex from the complex: | 10-15-2015 |
20160175816 | SYSTEM AND METHOD FOR AMMONIA SYNTHESIS | 06-23-2016 |
20160193564 | Processes Utilising Selectively Permeable Membranes | 07-07-2016 |
423363000 | Alkali or alkaline earth metal | 5 |
20090202417 | SYSTEM AND METHOD FOR AMMONIA SYNTHESIS - Systems and methods are disclosed herein for synthesizing ammonia using nano-size metal or metal alloy catalyst particles. Hydrogen and nitrogen gases are passed through a system comprising, for example, a bed of magnetite supporting nano-size iron or iron alloy catalyst particles having an optional oxide layer that forms the catalyst. | 08-13-2009 |
20100278708 | PROCEDURES FOR AMMONIA PRODUCTION - The invention provides systems and methods for producing ammonia under conditions having at least one of a temperature and a pressure that are respectively lower than the temperature and pressure at which the Haber process is performed. In some embodiments, a supercritical fluid is used as a reaction medium. | 11-04-2010 |
20120082612 | SYSTEM AND METHOD FOR AMMONIA SYNTHESIS - Systems and methods are disclosed herein for synthesizing ammonia using nano-size metal or metal alloy catalyst particles. Hydrogen and nitrogen gases are passed through a system comprising, for example, a bed of magnetite supporting nano-size iron or iron alloy catalyst particles having an optional oxide layer that forms the catalyst. | 04-05-2012 |
20130183224 | AMMONIA SYNTHESIS CATALYST AND AMMONIA SYNTHESIS METHOD - The present invention provides a catalyst substance that is stable and performs well in the synthesis of ammonia, one of the most important chemical substances for fertilizer ingredients and the like. The catalyst substance exhibits catalytic activity under mild synthesis conditions not requiring high pressure, and is also advantageous from a resource perspective. Further provided is a method for producing the same. This catalyst comprises a supported metal catalyst that is supported on a mayenite type compound including conduction electrons of 10 | 07-18-2013 |
20140072499 | SYSTEM AND METHOD FOR AMMONIA SYNTHESIS - Systems and methods are disclosed herein for synthesizing ammonia using nano-size metal or metal alloy catalyst particles. Hydrogen and nitrogen gases are passed through a system comprising, for example, a bed of magnetite supporting nano-size iron or iron alloy catalyst particles having an optional oxide layer that forms the catalyst. | 03-13-2014 |