Patents
Patents for C01C 1 - Ammonia; Compounds thereof (7,027)
06/1988
06/22/1988CN87108080A Device for exchange between recycle gas leaving nh3 converter and water
06/21/1988US4752452 Aqueous ammonia process and mixing apparatus therefor
06/21/1988US4752311 Argon recovery from ammonia plant purge gas utilizing a combination of cryogenic and non-cryogenic separating means
06/16/1988DE3740717A1 Verfahren zum verringern oder voelligen entfernen des wassergehaltes von waermeempfindlichen, hoechstens 10 masse-% wasser enthaltenden, im fluessigen aggregatzustand vorliegenden stoffen To reduce total demise process or remove the water content of waermeempfindlichen, containing more than 10% by mass water, solid phase present in the liquid materials
06/15/1988CN87213790U Fixing device for water coal tank
06/14/1988US4750925 Argon recovery from hydrogen depleted ammonia plant purge gas utilizing a combination of cryogenic and non-cryogenic separating means
06/08/1988EP0269854A2 Process for reducing energy consumption in multi-unit reactors for heterogeneoussynthesis and related reactors
06/08/1988CN87107596A System for reducing energy consumption in mull-unit reactors for heterogeneous synthesis and related reactors
06/01/1988EP0268808A1 Process for synthesizing ammonia
06/01/1988CN87106172A Process for the production of ammonia and carbon dioxide
05/1988
05/25/1988EP0268469A1 Improved process for synthesizing ammonia
05/25/1988CN85101604B Mechanical dispersing method for manufacturing high strengh ball catalyst in ammonia synthesizing
05/19/1988DE3735868A1 Process for recovering pure ammonia from ammonia waste water containing hydrogen sulphide and/or carbon dioxide
05/18/1988CN87106587A System and device to make catalytic basket walls for heterogeneous synthesis reators
05/18/1988CN86107630A Preparation of a new catalyst containing rare earth element for synthesis of ammonia
05/17/1988US4744966 Process for synthesizing ammonia
05/11/1988CN86108984A A multistage synthetic method of ammonia
05/04/1988EP0265654A1 System and device to make catalytic basket walls for heterogeneous synthesis reactors
04/1988
04/21/1988WO1988002737A1 Method of producing ammonia
04/20/1988EP0264041A2 Process and plant for the recuperation of ammoniac by separating nitrogen oxides from flue gases
04/19/1988US4738754 Cooling and scrubbing with water and ammonia; condensing
04/12/1988CA1234962A1 Manufacturing and using nitrogen fertilizer solutions on a farm
04/05/1988US4735780 Vertical, multibed
03/1988
03/30/1988CN86102509A Ammonium bicarbonate produced by ammonia-carbon balance method
03/29/1988US4734264 Vertical reactor for catalytic exothermic and endothermic reactions
03/24/1988DE3631251A1 Process for scrubbing hydrogen sulphide and ammonia out of gases
03/17/1988DE3630311A1 Process for preparing ammonia and carbon dioxide
03/15/1988US4731387 Process for carrying out a chemical equilibrium reaction
03/08/1988US4729833 Proous membrane
03/02/1988CN86104483A New technology of recovering ammonia from ammonia water
03/01/1988US4728506 Start-up method for ammonia plants
02/1988
02/24/1988EP0256299A2 Ammonia synthesis converter
02/18/1988DE3625029A1 Process for the continuous treatment of reaction products from flue gas scrubbers with simultaneous removal of sulphur dioxide and nitrogen oxides
02/11/1988DE3625720A1 Purifying SO2- and NOx-containing flue gases
02/03/1988EP0254936A2 Ammonia synthesis converter
02/03/1988CN87104895A Process for the recovery of ammonia and fluoride solutions
01/1988
01/27/1988EP0254063A2 Process for the recovery of ammonia and fluoride values from ammonium fluoride solutions
01/27/1988EP0253844A1 Reboiler.
01/20/1988EP0253350A2 Ammonia synthesis converter
01/20/1988CN87104678A System to improve the mixing of reacted gases and quench hases in the heterogeneous synthesis reactors
01/19/1988US4720375 Process for producing magnesium oxide
01/06/1988CN87103335A Preparation of porous nitric ammonium and the equipment needed
12/1987
12/22/1987CA1230488A1 Production of ammonia synthesis gas
12/15/1987US4713231 Adding potassium hydroxide, heating, concentrating, adding solvent, distilling
12/09/1987EP0248284A2 System to improve the mixing of reacted gases and quench gases in the heterogeneous synthesis converters
12/08/1987US4711771 Process and apparatus for cooling a gaseous stream before and/or during its compression
12/02/1987EP0247220A1 Process for manufacture of ammonia
11/1987
11/24/1987CA1229467A1 Low severity hydrocarbon steam reforming process
11/18/1987CN87100951A Reclaiming argon from hydrogen depletion blowing of sythesis ammonia device using seperation process of hypothermia and non-hypothermia
11/12/1987DE3709521A1 Process and device for combined purification of flue gas and animal house air
11/04/1987CN87103546A Method of recovering solid ammonium sulfate from dilute ammonium sulfate solution
10/1987
10/27/1987US4703030 Partially reduced ferric oxide catalyst for the making of ammonia via the photoassisted reduction of molecular nitrogen and method for the preparation of the catalyst
10/21/1987EP0118479B1 Process to eliminate air pollutants which result from the combustion of fuels containing sulphur
10/21/1987CN87102931A Process to obtain optimal gas distribution in catalytic beds for heterogeneous reactions in gaseous phase
10/21/1987CN87100950A Recovering hydrogen from blowing air of ammonia converter by separating method of combining low temp. with non low temp.
10/13/1987US4699773 From nitric acid and ammonia with efficient recovery of heat
10/06/1987US4698325 Catalysts for ammonia synthesis
10/06/1987CA1227657A1 Coating agent for ammonium nitrate and other materials
09/1987
09/30/1987EP0239235A1 Argon recovery from hydrogen depleted ammonia plant purge gas
09/29/1987US4696799 Ammonia synthesis converter
09/23/1987EP0237888A2 process to obtain an optimal gas distribution in catalytic beds for heterogeneous reactions in gaseous phase
09/15/1987US4693883 Gasification, hydrogen and nitrogen formation
09/09/1987EP0236037A2 Ammonia synthesis
09/02/1987EP0234895A2 Recovery of argon
09/01/1987US4690812 Integrated production of ammonia and urea
09/01/1987US4690807 Process for the simultaneous absorption of sulfur oxides and production of ammonium sulfate
08/1987
08/25/1987US4689317 Catalyst precursor for ammonia synthesis and process for its production
08/25/1987US4689208 Heat exchanging
08/25/1987US4689062 Argon recovery from ammonia plant purge gas utilizing a combination of cryogenic and non-cryogenic separating means
08/18/1987US4687656 Longitudinal reactor for chemical syntheses in gas phase and heterogeneous catalysts
08/18/1987US4687498 Argon recovery from hydrogen depleted ammonia plant purge gas utilizing a combination of cryogenic and non-cryogenic separating means
07/1987
07/29/1987CN85107685A Ammonia synthesis tower
07/21/1987US4681745 Using oxygen-enriched air during secondary reforming of hydrocarbons
07/16/1987WO1987004084A1 Reboiler
07/08/1987EP0227978A2 Separation of ammonia from a sodium solution by means of distillation
06/1987
06/25/1987DE3545196A1 Process for treating waste sulphuric acid
06/17/1987CN86108360A Catalyst precursors
06/17/1987CN86108359A Catalyst precursors
06/02/1987US4670184 Suspension of ammonium carbonate and/or ammonium hydrogen carbonate of improved stability and its use
05/1987
05/27/1987EP0223439A2 Catalyst precursors
05/27/1987CN85107486A Methods and means for producing power and cooling in the mfr. of ammonia
05/26/1987US4668658 Iron catalyst and method of producing it
05/26/1987US4668657 Iron catalyst and method of producing it
05/26/1987US4668494 Steam reforming, ammonia, nitric acid
05/26/1987US4668250 Process for continuously removing and recovering respectively a gas dissolved in a liquid, particularly ammonia from aqueous ammonia waste water
05/20/1987EP0222542A2 Catalyst precursors
05/20/1987EP0222069A2 Converter for heterogeneous synthesis more particularly for ammonia, methanol and higher alcohols
05/12/1987US4664893 Method for the preparation of a bicarbonate sorbent in flue gas desulfurization
05/06/1987CN85108560A Separating ammonium of circular gas of synthesis by means of dilution of liquid ammonium
04/1987
04/22/1987CN86103687A Simultaneous prodn. of sodium nitrate and ammonium chloride by flotation
04/15/1987EP0218285A1 Process for carrying out a chemical equilibrium reaction
04/15/1987EP0217929A1 Temperature controlled ammonia synthesis process
04/14/1987CA1220321A1 Process for precipitating ammonium chloride
04/08/1987EP0217491A1 Process for producing ammonia or methanol and a gasifier used in said process
04/07/1987US4655929 Recycling; recovering hydrogen fluoride and ammonium hydroxide
04/01/1987EP0216152A2 Vertical reactor for catalytic exothermal and endothermal reactions
04/01/1987CN85106971A Ammonia synthesis process
04/01/1987CN85106964A A process for removing nh3 in an so2-containing gas
03/1987
03/31/1987US4654320 Iron, aluminum, alkaline earth oxide
03/18/1987CN86105431A Process for producing ammonia or methanol and a gasifier
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