Patents
Patents for C01C 1 - Ammonia; Compounds thereof (7,027)
05/2002
05/16/2002WO2002008171A3 Method for separating ammoniac
05/15/2002EP1204717A1 Integrated process for converting hydrocarbon gas to liquids
05/15/2002EP1204594A1 Method for the evaporation of an aqueous solution containing ammonia
05/15/2002EP1204593A2 Natural gas conversion to hydrocarbons and ammonia
05/15/2002CN1349477A Process for the nondestructive heating and supply of hot ammonia of hot ammonia containing
05/15/2002CN1348924A Large nitrogen circulating and heating process in synthetic ammonia converting system
05/15/2002CN1348923A New technological process of replacing lower gathering pipe in synthetic ammonia converting furnace
05/14/2002US6387157 Circulation; using separation ebrane
05/08/2002CN1084299C Process for producing potassium sulfate through mixing and heating directly potassium chloride and ammonium sulfate
05/08/2002CN1084298C Method for recovering ammonium chloride from waste liquid containing ammonium chloride
05/08/2002CN1084297C Flow dividing process for ammonia or alcohol synthesis reaction system
05/02/2002WO2002034370A1 Method for controlling the production of ammonia from urea for nox scrubbing
05/02/2002WO2001047811A3 Phase stabilized ammonium nitrate and method of making the same
05/02/2002EP1200344A1 Method of recovering fumed silica from spent potliner
04/2002
04/25/2002US20020048541 Equipped with plates that are arranged parallel to one another at a distance and that form flat channels with lateral boundary areas that face one another, whereby a portion of the channels contains a solid catalyst
04/18/2002WO2001085603A3 Process for producing nitrogen trifluoride and use thereof
04/17/2002CN1344711A Combined prep. of ammonia and urea
04/16/2002US6372191 Phase stabilized ammonium nitrate and method of making the same
04/16/2002US6372022 Removal of impurities from a vapor stream through contact with ultra-high-purity water in a packed column; non-recirculating; continuous operation; for on-site purification in semiconductor industry
04/11/2002DE10048472A1 Neuartiges Konzept zur Energieerzeugung über einen anorganischen Stickstoff-Zyklus, ausgehend vom Grundstoff Sand unter Erzeugung Höherer Silane New concept for power generation to an inorganic nitrogen cycle, starting from raw material to produce sand Higher silanes
04/10/2002CN1082402C System for providing ultra-high-purity buffered-HF for semiconductor processing
04/04/2002WO2002026625A2 Novel concept for generating power via an inorganic nitrogen cycle, based on sand as the starting material and producing higher silanes
04/04/2002WO2001085326A3 Method for the production of amorphous metal containing compounds
04/02/2002US6365120 Method for hardening granular inorganic salt compounds
03/2002
03/27/2002EP1189838A1 Process for the nondestructive heating and supply of hot ammonia or hot ammonia containing feed gas
03/27/2002CN1341558A Method for preparing potassium sulfate
03/27/2002CN1341485A Method for regenerating molecular sieve by using ammonia pyrolysis gas
03/21/2002US20020035293 Process for the integrated preparation of ammonia and urea
03/21/2002US20020034467 Process for purifying ammonia
03/20/2002EP1188710A2 Process for the integrated preparation of ammonia and urea
03/14/2002WO2002021040A1 Ammonia storage
03/14/2002CA2421625A1 Ammonia storage
03/13/2002EP0763379B1 Fe 1-x O-BASED CATALYST FOR AMMONIA SYNTHESIS
03/13/2002CN1080703C Preparing system for super high purity ammonia, producing system for super high precision electronic components and method for supplying high purity ammonina reagent on production line
03/12/2002US6355084 Method for producing a fertilizer from gas containing sulfur oxides
03/07/2002WO2002018273A2 Method for removing contaminants in urea hydrolysis reactors
03/06/2002CN1339014A Utilizing purge gas from ammonia synthesis
02/2002
02/28/2002WO2001010979A9 Integrated process for converting hydrocarbon gas to liquids
02/28/2002DE10040209A1 Reaktor zur Durchführung einer stark wärmegetönten katalytischen Reaktion Reactor for carrying out a large heat of catalytic reaction
02/26/2002US6350425 Bubbling pure ammonia and hydrogen fluoride
02/21/2002WO2002014222A1 Process and apparatus for treating ammonia-containing waste water
02/20/2002EP1180497A1 Ionic purifier
02/20/2002EP1180395A2 Reactor for carrying out a strongly thermic reaction
02/20/2002CN1336251A Catalysis type ammonia prepn. method, and method of prepn. and recovery of catalyst of ammonia synthesis
02/14/2002US20020018739 Catalyst bed; heat exchanger; controlling temperature profile
02/13/2002CN1335259A Process for purifying ammonia
02/07/2002WO2001010979B1 Integrated process for converting hydrocarbon gas to liquids
02/06/2002EP0981405B1 Method of preparation of sealed gas chambers
02/06/2002CN2475722Y Piston type cuprammonia energy recoverer
02/06/2002CN1334238A Ecological process for preparing ammonium sulfite
02/06/2002CN1078871C Process for removing oxygen from ammonia at room temp.
01/2002
01/30/2002EP1176234A2 Catalyst supports, supported catalysts, methods of making the same and methods of using the same
01/30/2002EP1176120A1 Process for purifying ammonia
01/30/2002CN1333183A Methodf or preparing anhydrous magnesium chloride
01/30/2002CN1078578C Porous prilled ammonium nitrate
01/24/2002DE10033518A1 Process for the separation of ammonia from 2-phase reaction mixture obtained in amide preparation, involves separating phases and extracting organic phase with aqueous medium
01/23/2002CN1332115A Method of coproducing potassium sulfate while producing synthetic ammonia
01/22/2002US6340451 Method for the simultaneous modernization of a plant for ammonia production and a plant for urea production
01/16/2002CN2471766Y Dialcohol energy saving device
01/10/2002US20020004451 Ruthenium and promoter on catalyst support
01/10/2002US20020002905 Recovery method of ammonia from gaseous mixture
01/09/2002EP1170255A2 Process for catalytic ammonia production-preparation and recovery of ammonia synthesis catalyst
01/09/2002CN1330611A Method of ammonium sulfate purification
01/06/2002CA2352548A1 Process for catalytic ammonia production-preparation and recovery of ammonia synthesis ruthenium catalyst
01/03/2002US20020001558 Ammonia composition and process therefor and therewith
01/03/2002US20020001555 Minimization of ammonium carbamate formation, and minimization of contamination in downstream processes resulting form the presence of ammonium carbamate
01/02/2002EP1165439A1 Ammonia recovery
01/02/2002CN1329574A Process and converter for preparation of ammonia
12/2001
12/27/2001WO2001098205A1 Method for producing silicon nitride
12/26/2001CN1327953A Process for treating waste liquid of furaldehyde and recovering butyl acetate, ammonium sulfate, ammonium acetate, acetamide and acetonitrile
12/26/2001CN1327948A Puffing agent of ammonium nitrate
12/25/2001US6333014 Process for ammonia and methanol co-production
12/25/2001CA2037169C System for the distribution of gas in catalytic beds and for the support with minimum dimensions of the catalyst in reactors for heterogeneous synthesis
12/20/2001DE10039753A1 Production of ammonia for use in e.g. synthetic fertilizers, comprises forming silicon nitride from silicon (compound) and nitrogen, in the presence of a transition metal (oxide) catalyst, and reacting it with a strong base
12/20/2001DE10039752A1 Production of silicates, for use in e.g. flame retardants or as binders, involves preparation of silicon nitride at low temperature from silicon (compound) and nitrogen over transition metal (oxide) catalyst and reacting with strong base
12/19/2001CN1076316C Carbon monoxide conversion method capable of eliminating saturated hot-water tower
12/13/2001US20010051128 Bubbling pure ammonia and hydrogen fluoride
12/12/2001CN1325822A Method and apparatus against iron pollution in corrosive environment
12/12/2001CN1076047C Desulfurizing method for systhetic ammonia carbonization system
12/06/2001WO2001091893A1 Method for optimising a production increase operation
12/06/2001DE10027328A1 Distillative separation of ammonia, useful in purification of lactam, especially caprolactam, solution, is carried out at relatively low absolute pressure
12/06/2001CA2407725A1 Method for optimising a production increase operation
12/05/2001EP1160199A2 Method and apparatus for preventing iron contamination in an ammonia recovery process
12/05/2001EP0833799B1 Method for production of sodium bicarbonate, sodium carbonate and ammonium sulfate from sodium sulfate
12/05/2001CN1324763A Method for recovering and recirculating amonium from outflow from reactor
11/2001
11/28/2001EP1157969A2 Process for recovery and recycle of ammonia from a reactor effluent stream
11/28/2001CN1324327A Method for obtg. ammonia from wastewater contg. NH3 and acid gases
11/28/2001CN1075396C Reactor, process and plant for prepn. of ammonium salts
11/27/2001US6322762 Hydrolyzing urea containing biuret and/or ammonium carbamate, reacting with sulphur oxides, controlling removal rate; non-hazardous, efficiency
11/22/2001US20010042378 Controlled production of ammonia
11/21/2001EP1155732A1 Process for treating residues from flue gas purification and/or flue gas desulphurisation plant
11/21/2001EP1154954A1 Utilizing purge gas from ammonia synthesis
11/15/2001WO2001085603A2 Process for producing nitrogen trifluoride and use thereof
11/15/2001WO2001085326A2 Method for the production of amorphous metal containing compounds
11/13/2001US6315976 Method of producing potassium sulfate
11/08/2001WO2001083374A2 Method for producing calcium nitrate granules
10/2001
10/31/2001EP1149801A2 Recovery method of ammonia from gaseous mixture
10/31/2001CN1319561A Method for producing fluoride and silicon dioxide
10/24/2001EP1146949A1 Process for separation of ammonia gas and a solid adsorbent composition
10/18/2001WO2001032594B1 Methanol plant retrofit for manufacture of acetic acid
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