| 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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| 07/04/2000 | US6083472 Method for continuously producing thiosulfate ions |
| 07/04/2000 | US6083471 Method and catalyst for catalytically oxidizing a low concentration of H2 S in a gas to give sulphur |
| 07/04/2000 | US6083467 Exhaust gas purifying catalyst and process for producing the same |
| 07/04/2000 | US6083464 Ozone supplying apparatus with fluid purification and recycling |
| 07/04/2000 | US6083409 Method for treating organic wastes |
| 07/04/2000 | US6083305 Snap on desiccant bag |
| 07/04/2000 | US6083304 Method and apparatus for dehumidifying air |
| 07/04/2000 | US6083303 Snap on desiccant bag |
| 07/04/2000 | US6083302 Has at least one section, preferably two sections, with two passes followed by an extended trailing edge. this design is shown in tests to be as effective as four pass designs, while being easier to clean. |
| 07/04/2000 | US6083301 Process for purifying inert fluids by adsorption on LSX zeolite |
| 07/04/2000 | US6083299 High pressure purge pressure swing adsorption process |
| 07/04/2000 | US6083298 Process for fabricating a sorbent-based gas storage and dispensing system, utilizing sorbent material pretreatment |
| 07/04/2000 | US6083297 Having an average pore diameter on the first surface of the membrane which is about 10 to 1000 times smaller than that on the opposing second surface of the membrane. |
| 07/04/2000 | US6082325 Process and system for operating a diesel engine |
| 07/04/2000 | US6082133 Apparatus and method for purifying natural gas via cryogenic separation |
| 07/04/2000 | US6082102 NOx reduction system with a device for metering reducing agents |
| 07/04/2000 | US6082100 Method for operating a multicylinder internal combustion engine |
| 07/04/2000 | CA2033372C S02 control using moving granular beds |
| 07/04/2000 | CA2004031C Coupling fluid separation membrane elements |
| 06/29/2000 | WO2000037781A1 A catalytic converter for use in an internal combustion engine and a method of making |
| 06/29/2000 | WO2000037780A1 Exhaust gas purifier for reducing nitrogen oxides in oxygen-containing exhaust gas of an internal combustion engine |
| 06/29/2000 | WO2000037356A1 Utilization of membranes and expander/compressors in gasification |
| 06/29/2000 | WO2000037162A1 Method and device for the selective catalytic reduction of nitrogen oxides in oxygenated exhaust gases |
| 06/29/2000 | DE19859201A1 Verfahren und Vorrichtung zur selektiven katalytischen Reduktion von Stickoxiden in sauerstoffhaltigen Abgasen Method and apparatus for the selective catalytic reduction of nitrogen oxides in exhaust gases containing oxygen |
| 06/29/2000 | DE19859003A1 Abgasreinigung zum Reduzieren von Stickoxiden aus sauerstoffhaltigen Abgasen einer Brennkraftmaschine Exhaust purification for reducing nitrogen oxides from oxygen-containing exhaust gases of an internal combustion engine |
| 06/29/2000 | DE19846320C1 Vorrichtung zur Abscheidung von Stickoxiden und Partikeln aus einem Gasstrom An apparatus for separating nitrogen oxide and particles from a gas current |
| 06/28/2000 | EP1014761A1 Duct piece for gas treatment device and device comprising such a duct piece |
| 06/28/2000 | EP1013902A2 Emission control apparatus of an internal combustion engine and method of control therefor |
| 06/28/2000 | EP1013334A1 Catalytic converter for purifying combustion engine exhaust gases and process for its preparation |
| 06/28/2000 | EP1013333A2 Process for the removal of carbon monoxide, hydrogen, carbon dioxide and water from a gas |
| 06/28/2000 | EP1013332A2 Combustion catalysts and processes for removing organic compounds |
| 06/28/2000 | EP1013331A1 Stacked plate membrane module for selective gas separation |
| 06/28/2000 | EP1013330A2 Rotary valve for two bed vacuum pressure swing adsorption system |
| 06/28/2000 | EP1013324A2 Counter-current column with liquid distributor |
| 06/28/2000 | EP1012478A2 In situ getter pump system and method |
| 06/28/2000 | EP1012454A1 Improvements in catalytic reactors |
| 06/28/2000 | EP1012451A1 Gas purification device |
| 06/28/2000 | EP1011857A1 Contaminant removal in a translating slug flow |
| 06/28/2000 | EP1011847A1 Reactor for processing gaseous media |
| 06/28/2000 | EP1011846A1 Absorption device and corresponding exchangeable packaging |
| 06/28/2000 | EP1011845A1 Device for absorption and a corresponding receiving component |
| 06/28/2000 | EP1011844A1 Device for removing water vapour from pressurised gases or gas mixtures |
| 06/28/2000 | EP1011842A1 Catalytic conversion of gases via cation-exchangeable alumino-silicate materials |
| 06/28/2000 | EP1011839A1 Method for eliminating organophosphorus compounds contained in a gas or liquid |
| 06/28/2000 | EP0808210B1 Process for purifying flue gas containing nitrogen oxides |
| 06/28/2000 | EP0762926B1 Process for preparing alloyed metal catalysts for the reduction of nox in the exhaust gases from internal combustion engines containing excess oxygen |
| 06/28/2000 | CN1258226A Method for recycling liquid absorbent for acid vapor comprising methyldiethanolamine and lower alkylpiperazine |
| 06/28/2000 | CN1258225A Activated carbon air filter |
| 06/28/2000 | CN1258224A Liquid distributor |
| 06/28/2000 | CN1258200A Apparatus and method for treating atmosphere contained in enclosed spaces |
| 06/28/2000 | CN1053883C Process for removal of arsine and carbonyl sulphide from hydrocarbon feedstocks contg. light olefin (s) |
| 06/27/2000 | US6080905 Passing stream of olefin having from 2 to about 8 carbon atoms, containing acetylenic impurities and optionally saturated hydrocarbon gases, through a particulate bed of support material on which is dispersed at least one metal |
| 06/27/2000 | US6080797 Crosslinking coagulated porous acrylonitrile with a hydrazine compound, then hydrolysis of residual nitriles to yield carboxyl group salts |
| 06/27/2000 | US6080382 Zeolite SSZ-48 |
| 06/27/2000 | US6080379 Alumina-based catalyst for the treatment of gases containing sulphur compounds, use of these catalysts for the treatment and processes for treatment of the said gases |
| 06/27/2000 | US6080377 Catalytically reducing nitrogen oxides with a reducing agent in presence of a catalyst comprising a roasted catalytic species incorporated into a template-bearing molecular sieve material; air pollution control |
| 06/27/2000 | US6080376 Catalytically removing nitrogen oxides using ammonia as a reducing agent |
| 06/27/2000 | US6080375 A double layer oxidation catalyst; the first functional layer comprising a mixture of palladium and a first zeolite, the second functional layer comprising a mixture of rhodium and a second zeolite |
| 06/27/2000 | US6080370 A gas apparatus for air treament of exhaust gas exhausted from a combustion boiler, comprising absorbing liquid to absorb sulfur oxide from the exhaust gas, neutralization |
| 06/27/2000 | US6080350 Blending a functionalized polymer and a hydrophilic channeling agent, reacting, blending silica gel disiccant into polymeric reaction product, solidifying the desiccant agent entrained polymer-channeling agent, forming the shaped article |
| 06/27/2000 | US6080281 Scrubbing of contaminants from contaminated air streams with aerogel materials with optional photocatalytic destruction |
| 06/27/2000 | US6080227 Gas treating apparatus |
| 06/27/2000 | US6080226 Selective adsorption of nitrous oxide from waste stream containing oxygen and nitrogen onto zeolite bed to provide a nitrous oxide product essentially free of oxygen; continuous processing |
| 06/27/2000 | US6079212 Gasification power generation process and gasification power generation equipment |
| 06/27/2000 | CA2185531C Oxygen supply and removal apparatus |
| 06/24/2000 | CA2257021A1 Process and apparatus for drying with latent heat recovery |
| 06/23/2000 | CA2257128A1 Structured packing assembly |
| 06/22/2000 | WO2000036346A1 Air conditioner |
| 06/22/2000 | WO2000036345A1 Air conditioner |
| 06/22/2000 | WO2000035806A1 Method and apparatus for removing carbonyl sulfide from a gas stream via a wet scrubbing |
| 06/22/2000 | WO2000035573A1 Apparatus and method for point-of-use treatment of effluent gas streams |
| 06/22/2000 | WO2000035563A1 Auxiliary catalytic converter having a back pressure relief device |
| 06/22/2000 | WO2000035562A2 Composition and process for separating water from chemical mixtures |
| 06/22/2000 | WO2000035561A1 Ceramic flat membrane and method for producing the same |
| 06/22/2000 | WO2000035560A2 Gas separation with split stream centrifugal turbomachinery |
| 06/22/2000 | WO2000035559A2 Integrated filter |
| 06/22/2000 | WO2000025014B1 Oxygen enrichment device for the combustion air of internal combustion engines |
| 06/22/2000 | WO1999064147A3 Microcomponent assembly for efficient contacting of fluid |
| 06/22/2000 | CA2354400A1 Gas separation with split stream centrifugal turbomachinery |
| 06/21/2000 | EP1010668A1 Sol-gel processed metal-zirconia materials |
| 06/21/2000 | EP1010454A2 Nox trapping by metal-zirconia materials during lean-burn automotive engine operation |
| 06/21/2000 | EP1010453A1 Method and apparatus for decomposing gaseous aliphatic hydrocarbon halide compound |
| 06/21/2000 | EP1010452A1 Method and device for drying a gas |
| 06/21/2000 | EP1009923A1 Device and method for reduction of harmful emissions from a combustion engine |
| 06/21/2000 | EP1009922A1 Method for reducing emissions from a diesel engine |
| 06/21/2000 | EP1009523A1 Device for mixing particulate material and liquid |
| 06/21/2000 | EP1009515A1 Activated carbon filter and process for the separation of noxious gases |
| 06/21/2000 | DE19959684A1 Release of the acidic activated phyllo-silicates minimizes corrosion and residues on the flue walls in coal-fired power station and municipal incinerator |
| 06/21/2000 | DE19939922A1 Moisture removed from smoke gases by pumice stone grains maintaining textile filters in dry non-blocked condition |
| 06/21/2000 | DE19858871A1 Continuous flow, packed column biological reactor with rotated packing and bio-mass accumulation control, for treating pollutant contaminated air and gases |
| 06/21/2000 | DE19858473A1 Desulfurization of gas containing variable amounts of hydrogen sulfide and carbon oxysulfide comprises scrubbing the gas with a variable mixture of chemical and physical absorbents |
| 06/21/2000 | DE19858367A1 Two-phase contacting with e.g. heat and mass transfer, reaction and catalysis, divides and recombines heavier fluid falling along network of fibers or wires, achieving uniform distribution and large contact area |
| 06/21/2000 | DE19854353A1 Verfahren zur Reinigung von Gasen A process for the purification of gases |
| 06/21/2000 | CN2383578Y Film-equipment for removing ammonia and nitrogen |
| 06/21/2000 | CN2383576Y Venturi desulfurizing duster |
| 06/21/2000 | CN1257435A Reducing NOx emissions from an engine by temperature-controlled urea injection |
| 06/21/2000 | CN1256961A Process and apparatus for purefying waste gas |
| 06/21/2000 | CN1256960A Method of inletting fluid into equipment |
| 06/21/2000 | CN1256959A Reverising valve for double-bed vacuum pressure variation adsorption system |
| 06/21/2000 | CN1053636C Active-carbon finely sweetening agent and preparation thereof |