| Patents for C01C 1 - Ammonia; Compounds thereof (7,027) |
|---|
| 01/24/1995 | US5384106 Method for removing pollutants from a gas stream using a fractional condensing heat exchanger |
| 01/19/1995 | DE4314281C1 Process for crystallising contaminated aqueous ammonium sulphate solutions |
| 01/11/1995 | EP0632738A1 Process for crystallization in a draft tube baffle crystallizer. |
| 01/11/1995 | CN1097178A Method for preparation of potassium sulfate by the liquid phase convertion of potassium chloride and sulfuric acid |
| 01/04/1995 | CN1027252C Multi-layer chilling in inner position complex synthetic ammonia column |
| 01/04/1995 | CN1027236C High temp. transformation catalyst and its fractional copecipitation mfg. method |
| 12/28/1994 | EP0550522B1 Sealing plug for pressure vessel |
| 12/27/1994 | US5376749 Stabilized ammonium polysulfide solutions and process utilizing same |
| 12/14/1994 | EP0550539B1 Apparatus for ammonia synthesis |
| 12/14/1994 | CN2185154Y Convex top cover of basket for catalyst |
| 12/07/1994 | EP0386043B1 Granular ammonium sulphate and process for the production thereof |
| 12/07/1994 | CN2184690Y Synthetic device for ammonium fluoride solution |
| 12/07/1994 | CN1026886C Ammonia synthesis process |
| 11/29/1994 | US5368836 Low-template clathrasil |
| 11/23/1994 | CN1095359A Technology of preparing sodium nitrate by solid phase conversion and metathesis |
| 11/23/1994 | CN1026680C Centralized recovering process for waste heat |
| 11/22/1994 | US5366708 Regenerative heat exchangers, catalysts and reverse cycles |
| 11/09/1994 | EP0623554A1 Treatment of an aqueous stream containing water-soluble inorganic sulfide compounds to selectively produce the corresponding sulfate |
| 11/08/1994 | US5362458 By oxidation of ammonium sulfite formed by reaction of sulfur dioxide with ammonia |
| 11/08/1994 | US5362398 Filtration |
| 11/02/1994 | EP0622335A1 A method for treating ammonia and urea condensates |
| 11/02/1994 | EP0460001B1 Method for removal of ammonia from a gas mixture |
| 11/02/1994 | CN2181329Y U-cold pipe bundle |
| 10/19/1994 | EP0620187A1 Process for the simultaneous absorption of sulfur oxides and production of ammonium sulfate |
| 10/19/1994 | CN1093680A Method for preparing lemery salt by use of ammonium sulfate and potassium chloride |
| 10/13/1994 | WO1994022763A1 Process for making anhydrous magnesium chloride |
| 10/05/1994 | CN1093015A Process for the simultaneous absorption of sulfur oxides and producion of ammounium sulfate |
| 10/05/1994 | CN1026096C Preparing method for foamless compound ammonium acid carbonate additive |
| 10/04/1994 | US5352428 Efficient catalytic reaction of hydrogen and nitrogen has reduced need for compression of recycled gases, refrigeration and energy consumption |
| 09/14/1994 | EP0614400A1 Chromium-free impregnated activated universal respirator carbon for adsorption of toxic gases and/or vapors |
| 09/14/1994 | CN1091997A Ferrous oxide catalyst for amino synthesis and its preparation |
| 09/14/1994 | CN1091995A Ammonia-Limestone scrubbing with by-product for use in agriculture |
| 09/09/1994 | CA2117145A1 Ammonia-limestone scrubbing with by-product for use in agriculture |
| 09/06/1994 | US5344617 Apparatus for converting noxious pollutants from flue gas into merchantable by-products |
| 08/24/1994 | CN1025726C Copper liquid energy recovering device for nitrogenous fertilizer producing |
| 08/18/1994 | WO1994018119A1 Method for scrubbing pollutants from an exhaust gas stream |
| 08/04/1994 | WO1994017015A1 Phase-stabilized ammonium nitrate and method of making same |
| 07/27/1994 | EP0608087A2 Dehydration of fluoride mixtures |
| 07/20/1994 | CA2113707A1 Dehydration of mixtures |
| 07/19/1994 | US5330544 Process and apparatus for increasing the size of ammonium sulfate crystals |
| 07/06/1994 | CN1088901A Powdered ammonium nitrate fuel explosive and its preparing process |
| 07/06/1994 | CN1088887A Light microporous ammonium nitrate and its preparing process |
| 06/23/1994 | WO1994013391A1 Process for improving the performance of an electrostatic precipitator |
| 06/15/1994 | CN1087874A Ammonia/water membrane separation and technique for recovery of ammonia |
| 06/01/1994 | DE4308066C1 Cleaning ammonia evaporator - by thermal decomposition of ammonium-contg. deposits |
| 06/01/1994 | CN1024782C Method for improving efficienfcy of heat-releasing synthesis reactor, in particular synthesis ammonia reactor |
| 05/26/1994 | DE4239022A1 Sepn. of hydrogen@ and gas of higher b.pt. esp. ammonia from gas mixt. - esp. purge gas from ammonia synthesis by partial ammonia condensation near triple point and hydrogen sepn. by permeation without adsorption |
| 05/26/1994 | DE4239021A1 Impurity esp. ammonia sepn. from synthesis purge gas contg. hydrogen - by two stage partial condensation with thermodynamic coupling through common heat exchanger to increase efficiency, prod. purity and economy |
| 05/25/1994 | CN1087075A Isobaric combination producing apparatus for methanol and ammonia |
| 05/25/1994 | CN1087062A Decomposition process for ammonium chloride |
| 05/18/1994 | CN1086742A Treating method for conversion catalyst carrier alundum |
| 05/11/1994 | CN1024458C Method for producing synthetic ammonia by deep refrigerating denitrification with continuous gasification of air |
| 05/10/1994 | US5310419 Method of preparing inorganic polymeric water complexes and products so produced |
| 04/28/1994 | WO1994008892A1 Ash ammonia stripping |
| 04/28/1994 | DE4304567C1 Steam raising from heterogeneous catalytic processes - esp. in ammonia synthesis |
| 04/28/1994 | DE4239637C1 Ammonium cpd. removal from waste water - esp. biological sludge filtrate waste water, by steam stripping |
| 04/21/1994 | DE4234909A1 Strengthening and conditioning of granulated ammonium sulphate with improved storage properties - by coating the granulate with dicyandiamide, calcium stearate, polyvinyl alcohol, glues and 2-methylstyrene-maleic anhydride copolymers |
| 04/13/1994 | CN2161368Y Multi-tube axial gas distributor |
| 04/06/1994 | CN1024123C Stronger ammonia water or anhydrous ammonia produced method by recovered ammonia |
| 03/30/1994 | CN1084582A Sherardizing method and apparatus |
| 03/23/1994 | CN1084136A Process for the preparation and purificatin of a hydroxylammonium salt solution |
| 03/16/1994 | CN1023995C Two-section radial parallel heat exchanging type ammonia synthetic tower |
| 03/15/1994 | CA1327693C Process for concentrating aqueous solutions of hydroxylammonium salt |
| 03/08/1994 | US5292387 Metal dinitramide salt as stabilizer |
| 03/01/1994 | US5290531 Reaction of ammonia, carbon dioxide and sodium bromide brines for salt formation |
| 02/23/1994 | CN1082508A Waste heat recovery technology used in shift section of synthetic ammonia process |
| 02/16/1994 | CN1023790C Process for prepn. of decolorized rearrangement ammonium sulfate |
| 02/09/1994 | EP0582022A1 Process for production of gaseous ammonia from urea |
| 02/09/1994 | CN2155372Y internal element of ammonia synthetic tower for use in small nitrogen fertilizer plants |
| 01/25/1994 | US5281403 Method for converting urea to ammonia |
| 01/25/1994 | US5281318 Process for processing a waste etching solution containing a fluorine component and an ammonia component to recover valuables therefrom |
| 01/20/1994 | WO1994001366A1 Method of manufacturing free-flowing ammonium nitrate particles applying an anticaking agent |
| 01/19/1994 | EP0579022A1 Catalytic reactor bed |
| 01/12/1994 | EP0578622A1 Process for the removal and the recovery of ammonia from liquid waste |
| 01/11/1994 | US5277886 Combining urea and ammonia in vessel |
| 01/11/1994 | CA1325876C Mobile atom insertion reaction, mobile atom transmissive membrane for carrying out the reaction and reactor incorporating the mobile atom transmissive membrane |
| 01/05/1994 | EP0577213A1 Process for the preparation and purification of a hydroxylammonium salt solution |
| 01/05/1994 | EP0577019A1 Process for the thermal decomposition of ammoninium sulfate in ammonia and ammonium bisulfate |
| 12/29/1993 | CN2151135Y Indirectly cooling ammonia synthetic column catalyst basket without internal seam |
| 12/28/1993 | US5273727 Flue gas purification and production of dry ammonium bisulfites and bisulfates |
| 12/22/1993 | CN2150198Y Rotary-flow stopping device for ammonia converter |
| 12/15/1993 | EP0574285A1 Process and apparatus for the combined production of synthetic ammonia and pure hydrogen |
| 12/15/1993 | CN1079445A Combined process for preparing alkali and ammonium chloride crystal external condensation system |
| 12/09/1993 | WO1993024214A1 Catalyst supports, supported catalysts methods of making the same and methods of using the same |
| 12/08/1993 | EP0572778A2 Process for the recovery of ammonia and organic compounds from flue gases containing organic compounds, carbon dioxide and ammonia |
| 12/08/1993 | EP0572389A1 Separation/recovery of ammonium salts via electrodialytic water splitting. |
| 12/08/1993 | CN1079205A Process for producing trisodium phosphate and ammonium salt by metathesis |
| 11/30/1993 | US5266174 Heating waste solution, adding an alkaline material to increase ph to at least 9 and adding a metal having a half cell potential more negative than nitrate |
| 11/17/1993 | CN1078456A Combined production apparatas for isobaric methanol and ammonia |
| 11/17/1993 | CN1078411A Production method for high strength and high active ammonia synthesised catalyst and smelting equipment thereof |
| 11/09/1993 | US5259870 Intermetallic diffusion barrier between base and coating metals; permselectivity |
| 10/27/1993 | CN2144646Y Split-flow type three socket pipe ammonia synthetic tower |
| 10/27/1993 | CN1077659A Method to carry out heterogeneous synthesis in converters with walls protected against high temperatures and converters obtained in this manner |
| 10/19/1993 | US5254316 Reactors for heterogeneous synthesis |
| 10/14/1993 | WO1993019826A1 Process for crystallization in a draft tube baffle crystallizer |
| 10/13/1993 | EP0391990B1 Process and installation for recovering ammonia from flue gases |
| 10/13/1993 | EP0217928B1 Method for the preparation of a bicarbonate sorbent in flue gas desulfurization |
| 10/13/1993 | CN1077175A Ammonia-preparing technique from heavy oil |
| 10/12/1993 | US5252308 Transporting urea for quantitative conversion into ammonia |
| 10/05/1993 | US5250270 Two zone radial flow catalyst bed comprising upper freeboard zone in series with lower primary zone, segmental outlet distributor for regulating gas flow as catalyst settles |