| Patents for B01D 53 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols (135,933) |
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| 10/07/1993 | DE4308388A1 Reducing pollutant content of crude gas from combustion plant |
| 10/07/1993 | DE4210926A1 Demountable modular pyrolysis installation - for purificn. of organics-contaminated earth, with heat recovery and exhaust gas scrubbing |
| 10/07/1993 | CA2093388A1 Process for destroying toxic substances occuring during the elimination of organic refuse components |
| 10/06/1993 | EP0564144A1 Process for controlled N2O decomposition in an N2O-containing gas stream |
| 10/06/1993 | EP0564107A1 Method and apparatus for producing ozone |
| 10/06/1993 | EP0564000A1 Method and apparatus for detecting moisture present in atmosphere gas |
| 10/06/1993 | EP0563816A1 Process for the disposal of halons or halons containing fluorohydrocarbons or fluorochlorohydrocarbons |
| 10/06/1993 | EP0563717A2 Apparatus for separating melamine |
| 10/06/1993 | EP0563702A2 Process for recovering high-purity hydrogen and high-purity carbon monoxide |
| 10/06/1993 | EP0563669A1 A method of treatment of a fluid containing volatile organic halogenated compounds |
| 10/06/1993 | CN1022312C Carbon dioxide removal from gaseous mixture |
| 10/06/1993 | CN1022311C Sulfuric acid process and apparatus |
| 10/06/1993 | CN1022310C Condensing sulfuric acid vapours to produce sulfuric acid |
| 10/06/1993 | CN1022291C Adsorption-distillation separation method |
| 10/05/1993 | USH1240 High efficiency particulate air filter and charcoal filter bed placed side by side to minimize thickness |
| 10/05/1993 | US5250491 Preparation of high activity, high density activated carbon |
| 10/05/1993 | US5250489 Catalyst structure having integral heat exchange |
| 10/05/1993 | US5250282 Recovering crystalline oxide from mixture of oxide precursors, solvent, amphiphilic compound, calcining to remove residues |
| 10/05/1993 | US5250269 Catalytic converter having a metallic monolith mounted by a heat-insulating mat of refractory ceramic fibers |
| 10/05/1993 | US5250267 Desulfurization of flue gas |
| 10/05/1993 | US5250234 Liquid distributor apparatus and method for high viscosity liquids |
| 10/05/1993 | US5250175 Vaporization, removal; water pollution control |
| 10/05/1993 | US5250091 Apparatus for separating a gas-water vapor mixture |
| 10/05/1993 | US5250088 Gas separation process |
| 10/05/1993 | US5249428 Method and apparatus for establishing a controlled atmosphere in the compartments of a vessel for conserving fresh vegetables |
| 10/05/1993 | CA1322728C Absorption of hydrocarbon vapors by vulcanized rubber |
| 10/05/1993 | CA1322727C Apparatus for drying gas |
| 10/05/1993 | CA1322650C Treatment of gas streams |
| 10/02/1993 | CA2092265A1 Process for controlled n2o decomposition in an n20-containing gas stream |
| 10/01/1993 | CA2092376A1 Treating materials with ozone |
| 10/01/1993 | CA2088413A1 Process for obtaining high-purity hydrogen and high-purity carbon monoxide |
| 09/30/1993 | WO1993019141A1 Process for reducing the pollutant content of crude gas from combustion plants |
| 09/30/1993 | WO1993019109A1 Absorbent for isocyanate vapours |
| 09/30/1993 | WO1993019006A1 METHOD FOR CONTROLLING N2O EMISSIONS AND FOR THE REDUCTION OF NOx AND SOx EMISSIONS IN COMBUSTION SYSTEMS |
| 09/30/1993 | WO1993019005A1 Method of and apparatus for removing carbon monoxide from gaseous media |
| 09/30/1993 | WO1993018868A1 Process and device for the treatment of polluting and meltable materials |
| 09/30/1993 | WO1993018855A1 Method for impregnating catalyst support with platinum |
| 09/30/1993 | WO1993018843A1 Method and apparatus for the treatment of gas streams |
| 09/30/1993 | WO1993018842A1 Method and device for gas cleaning or gas cooling |
| 09/30/1993 | WO1993018800A1 Use of immobilized film reactor |
| 09/30/1993 | DE4308310A1 Exhaust gas scrubber with heat recovery and plastic construction - performs water spray scrubbing in first and third stages, and passes exhaust gas through adsorption material while heat is removed by cooling coils in second stage |
| 09/30/1993 | DE4208521A1 Inhalation anaesthetics recovery - dries the gas mixture for active carbon adsorption and catalyst to release nitrogen and oxygen into atmosphere and remainder cooled to a fluid for storage or disposal |
| 09/30/1993 | CA2138271A1 Use of immobilized film reactor |
| 09/29/1993 | EP0562866A1 Method and apparatus used for removing nitrogen oxides |
| 09/29/1993 | EP0562747A2 Oxygen concentration or humidity controlling apparatus |
| 09/29/1993 | EP0562724A2 Series tubular design for solid electrolyte oxygen pump |
| 09/29/1993 | EP0562516A1 Catalyst and method for purifying exhaust gas |
| 09/29/1993 | EP0562328A2 Process for concentrating process water and exhaust gas purification |
| 09/29/1993 | EP0562278A2 Process and apparatus for using the residual heat of exhaust gas |
| 09/29/1993 | EP0562059A1 Scrubbing of gaseous fluorides from process exhausts. |
| 09/29/1993 | EP0561906A1 Apparatus and methods for remediating contaminated soils |
| 09/29/1993 | EP0561889A1 Process for the removal of sulphur compounds from gases. |
| 09/29/1993 | CN2142750Y Desulfurizing duster |
| 09/28/1993 | US5248651 Process for the production of carbon molecular sieves |
| 09/28/1993 | US5248650 Catalysts for the purification of exhaust gas |
| 09/28/1993 | US5248644 Heat resistance formed by mixing, separation, washing and drying then roasting |
| 09/28/1993 | US5248489 Without producing sulfur dioxide |
| 09/28/1993 | US5248395 Water treatment to remove metals and organics |
| 09/28/1993 | US5248325 Gas separating system and gas recovery system |
| 09/28/1993 | US5248322 Depressurization effluent repressurized adsorption process |
| 09/28/1993 | US5248321 Adsorption |
| 09/28/1993 | US5248320 Compressing oxygen |
| 09/28/1993 | CA1322583C Humidity controller |
| 09/28/1993 | CA1322519C Method of cleaning exhaust gas of drying plants and an apparatus for implementing such method |
| 09/28/1993 | CA1322443C Semi-permeable membranes comprising predominantly of polycarbonates derived from tetrahalobisphenols |
| 09/28/1993 | CA1322442C Tetrabromo bisphenol based polyestercarbonate membranes and method of using |
| 09/26/1993 | CA2091740A1 A method of treatment of a fluid containing volatile organic halogenated compounds |
| 09/23/1993 | DE4209234A1 Utilising flue gas excess heat content - not needed for desulphuriser operation, to generate steam |
| 09/23/1993 | DE4209225A1 Flue gas cleaning attachment for fitting on chimney top - has ventilator located below filter trays and lower edge of tray housing spaced from upper edge of chimney, ensuring natural air throughflow |
| 09/23/1993 | DE4209195A1 Reactor for heterogeneous catalysis esp. in cleaning exhaust air - in which catalyst is in thin layer on coiled heating element in form of strip of metal wire fabric coated with crystalline material |
| 09/23/1993 | DE4209166A1 Catalytic cleaning of flue gas - involves introducing comminuted fresh, waste or spent catalytic material |
| 09/23/1993 | DE4208817A1 Sorption device for waste gas cleaning - has gas guides forming combined countercurrent contact and heat exchange system esp. for sulphur di:oxide removal from flue gases |
| 09/23/1993 | DE4208456A1 Internal combustion engine exhaust gas cleaning - by scrubbing using silicone oil |
| 09/23/1993 | DE4208355A1 Rubbish incinerator gas treatment - uses added hydrochloric acid gas at incineration to give improved mercury extraction at the washing stage |
| 09/23/1993 | DE4130035A1 Absorber for removing acid from waste gas e.g. kiln waste gas - using porous matrix contg. salt in liquid aggregate state during absorption, for high efficiency and simplicity |
| 09/22/1993 | EP0561760A1 Extracting organic compounds from aqueous solutions |
| 09/22/1993 | EP0561746A2 Process for stabilizing and solidifying wastes from aluminum processing by means of an inorganic matrix |
| 09/22/1993 | EP0561730A1 Flue gas desulfurization process |
| 09/22/1993 | EP0561598A1 A filtering material and a method of producing the same |
| 09/22/1993 | EP0561484A1 Process and apparatus for the cleaning of exhaust air cointaining noxious substances by heterogeneous catalysis |
| 09/22/1993 | EP0561340A1 Process for separating nitrogen gas |
| 09/22/1993 | EP0561065A1 Method and apparatus for producing a gas containing CO2, in particular for CO2-fertilization in the greenhouse horticulture. |
| 09/22/1993 | EP0561029A1 Process and apparatus for the discontinuous drying of air |
| 09/22/1993 | EP0560991A1 Device for purifying exhaust of internal combustion engine |
| 09/22/1993 | CN2142363Y Wet purifier |
| 09/22/1993 | CN1076543A Process for trapping gaseous ruthenium on polyvinyl pyridine, more particularly usable for recovering radioactive ruthenium from irradiated nuclear fuels |
| 09/22/1993 | CN1076381A Two stage membrane dryer |
| 09/22/1993 | CN1076380A Removing carbon dioxide from mixed gas by compound activator |
| 09/22/1993 | CN1022190C Blast furnace gas fully-dried type electric dust cleaning method |
| 09/21/1993 | US5246904 Catalyst for the wash-and-wear finishing of textiles |
| 09/21/1993 | US5246689 Synthetic porous crystalline material its synthesis and use |
| 09/21/1993 | US5246680 Reaction of sulfur oxides with lime to form dust which is then filtered |
| 09/21/1993 | US5246679 Addition of organophosphonates for size control of wet calcium-based FGD byproduct solids under inhibited oxidation conditions |
| 09/21/1993 | US5246678 High-performance flue-gas desulfurization process |
| 09/21/1993 | US5246677 Crystallization of calcium sulfate |
| 09/21/1993 | US5246676 Separation of air |
| 09/21/1993 | US5246672 Spiral wound microlith catalyst bed |
| 09/21/1993 | US5246647 Solvent |
| 09/21/1993 | US5246619 Condensation of monoethanolamine, n-methyl- |
| 09/21/1993 | US5246594 Process for controlling the ph value of an acid scrubbing liquid |