| 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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| 05/02/1995 | US5411580 Oxygen-separating porous membranes |
| 05/02/1995 | US5411578 Air, oxygen |
| 05/02/1995 | US5411577 Gas flow through composite associated with dispersed phase containing oxides of silicon, aluminum, titanium or magnesium |
| 05/02/1995 | US5410875 Exhaust-gas purification device for an internal combustion engine or the like |
| 05/02/1995 | US5410871 Emission control device and method |
| 05/02/1995 | CA1335426C Apparatus for the separation of gas mixtures |
| 04/27/1995 | WO1995011418A1 Method and apparatus for interacting a gas and liquid on a convoluted array of tubes |
| 04/27/1995 | WO1995011062A1 Disposal of hydrazine propellants |
| 04/27/1995 | WO1995007856A3 Catalyst for the selective oxidation of sulfur compounds to elemental sulfur, process for preparing such catalyst and process for the selective oxidation of sulfur compounds to elemental sulfur |
| 04/27/1995 | DE4436754A1 Exhaust-gas purification device with an adsorber for hydrocarbons |
| 04/27/1995 | DE4414904C1 Temperature-controlled exhaust catalytic converter system for an internal combustion engine |
| 04/27/1995 | DE4336460A1 Sorption plant for cleaning industrial exhaust gases |
| 04/27/1995 | DE4334757A1 Planting vessel device with long-term care installation and arrangements for air improvement |
| 04/26/1995 | EP0649675A1 Treatment of gas separation membranes with inert solvent |
| 04/26/1995 | EP0649674A1 Heat generation process and installation with adsorbent regeneration producing a fertilizer |
| 04/26/1995 | EP0649387A1 Synthesis of zeolite films bonded to substrates, structures and uses thereof |
| 04/26/1995 | EP0649343A1 Foraminous sheets for use in catalysis |
| 04/26/1995 | EP0649337A1 Desulphurisation of waste gases. |
| 04/26/1995 | EP0649336A1 Pollution control apparatus for industrial processes and the like. |
| 04/26/1995 | EP0600976A4 Room air purifier. |
| 04/26/1995 | EP0451207B1 Use of a platinum group metal composition as a fuel additive |
| 04/26/1995 | EP0412103B2 Electrically conductive honeycomb body, process for monitoring it and its use as a support for an exhaust gas catalyst |
| 04/26/1995 | CN2195329Y Active black fibre deodorant box |
| 04/25/1995 | US5409834 Method and apparatus for removing pollutants from a source of polluted air |
| 04/25/1995 | US5409769 Composite adsorbent and process for producing same |
| 04/25/1995 | US5409759 Metal assembly |
| 04/25/1995 | US5409684 Process and installation for the combined production of synthetic ammonia and pure hydrogen |
| 04/25/1995 | US5409681 Platinum, palladium or rhodium salt on a porous zeolite, alumina, or silica carrier supported by mixed oxide of titanium and tungsten and/or molybdenum, vanadium; for oxidizing ammonia and/or carbon monoxide |
| 04/25/1995 | US5409679 Eliminating sulfur dioxide by-product from roasting the titanium dioxide hydrate by washing the dry gas with filtrate to form sulphuric acid, circulating, reuse |
| 04/25/1995 | US5409671 Metal-containing silicate layer, precious metal borne on silicate, second metal-containing silicate layer, different metal borne on silicate |
| 04/25/1995 | US5409526 Apparatus for supplying high purity fluid |
| 04/25/1995 | US5409525 Hydrous gel membranes for gas separation |
| 04/25/1995 | US5409522 Using regenerable sorbent |
| 04/25/1995 | US5409514 Air filter |
| 04/25/1995 | US5409513 Apparatus for removing caprolactam emissions |
| 04/25/1995 | US5409505 Method and apparatus for crystallization of organic matter |
| 04/25/1995 | US5409371 Oxygen welding and incorporating a novel gas separation system |
| 04/25/1995 | US5408827 Marine propulsion device with improved catalyst support arrangement |
| 04/21/1995 | CA2118428A1 Treatment of gas separation membranes with inert solvent |
| 04/20/1995 | WO1995010356A1 Catalyst for the purification of diesel engine exhaust gases |
| 04/20/1995 | WO1995010348A1 Method for eliminating organic compounds |
| 04/20/1995 | WO1995010347A1 Method to balance the feed pressure of a turbine in a pressure swing adsorption cycle |
| 04/20/1995 | DE4437078A1 Verfahren zur Beseitigung von in der Luft enthaltenen Kohlenwasserstoffen durch Adsorption A method for removing hydrocarbons contained in the air by adsorption |
| 04/20/1995 | DE4436660A1 Simplified dry desulphurisation plant |
| 04/20/1995 | DE4335660A1 Circuit and arrangement for NH3 cooling installations |
| 04/20/1995 | DE4335153A1 Abgasanlage für eine Brennkraftmaschine mit einem Abgas-Turbolader An exhaust system for an internal combustion engine with an exhaust turbocharger |
| 04/19/1995 | EP0648730A1 Process for the production of oxo products |
| 04/19/1995 | EP0648728A1 Process for the production of ethanol and isopropanol |
| 04/19/1995 | EP0648720A1 Process for the removal of arsine and carbonyl sulphide from hydrocarbon feedstocks containing light olefin(s) |
| 04/19/1995 | EP0648535A1 Pore-impregnated body and method of producing same |
| 04/19/1995 | EP0648532A2 Adsorbents based on anorganic oxides modified with organic indicator dyes |
| 04/19/1995 | EP0648525A1 Improvements in and relating to biofiltration |
| 04/19/1995 | EP0648521A2 Gel extraction |
| 04/19/1995 | EP0648313A1 Low nox cogeneration process and system. |
| 04/19/1995 | EP0648146A1 Process for removing carbon dioxide regeneratively from gas streams |
| 04/19/1995 | EP0630270A4 Nitric oxide from air for medical uses. |
| 04/19/1995 | EP0628135A4 Catalytic system. |
| 04/19/1995 | EP0628096A4 Inert gas purifying system. |
| 04/19/1995 | EP0532625B1 Process for the preparation of an aqueous solution of sodium compounds |
| 04/19/1995 | CN2194759Y Smoke and dust granite purifier |
| 04/19/1995 | CN1101591A Photocatalyst composite and process for producing the same |
| 04/19/1995 | CN1101589A Single bed pressure swing adsorption system and process |
| 04/19/1995 | CN1028207C Method for extracting ammonia from the discharging gas of methanol tail gas synthesizing ammonia and getting highly pure hydrogen at the same time |
| 04/18/1995 | US5407887 Porous carrier for catalyst comprising metal oxide-coated metal and method of preparing same |
| 04/18/1995 | US5407880 Catalysts for adsorption of hydrocarbons |
| 04/18/1995 | US5407652 Method for decomposing N20 utilizing catalysts comprising calcined anionic clay minerals |
| 04/18/1995 | US5407651 Catalyst for and method of purifying exhaust gas |
| 04/18/1995 | US5407649 Method for reducing the emission of NOx in a combustion process |
| 04/18/1995 | US5407647 Gas-scrubber apparatus for the chemical conversion of toxic gaseous compounds into non-hazardous inert solids |
| 04/18/1995 | US5407646 Dual impeller method and apparatus for effecting chemical conversion |
| 04/18/1995 | US5407470 Biological air filter |
| 04/18/1995 | US5407468 Process and a plant for the deoxidation of water |
| 04/18/1995 | US5407467 Passing gas stream containing hydrogen sulfide, carbon dioxide, methane through selective membrane unit to remove carbon dioxide and hydrogen sulfide |
| 04/18/1995 | US5407466 Membrane provides high selectivity for hydrogen sulfide over methane |
| 04/18/1995 | US5407465 Tuning of vacuum pressure swing adsorption systems |
| 04/18/1995 | US5407456 Exhaust gas purifying device for vehicles |
| 04/18/1995 | US5406802 Passing gas through absorber, contacting solvent stream, passing solvent rich stream to a lower purification zone and concurrently contacting with reflux stream, withdrawing second solvent rich stream, flashing; non-cryogenic separation |
| 04/18/1995 | US5406790 Exhaust gas purification device for an engine |
| 04/18/1995 | CA2056659C Method and apparatus for treating and storing sulfur containing gas so as to prohibit the degradation of same |
| 04/18/1995 | CA1335279C Catalyst for purifying the exhaust gases produced by internal combustion engines while reducing the emission of hydrogen sulfide production of this catalyst and the use thereof |
| 04/18/1995 | CA1335278C Exhaust gas catalyst with a reduced tendency to accumulate sulfur dioxide and hydrogen sulfide emissions |
| 04/18/1995 | CA1335276C Catalyst for the elimination of injurious substances contained in the exhaust gases of internal combustion engines fueled predominantly with alcohol, a process for the production of said catalyst, and the use thereof |
| 04/18/1995 | CA1335270C Process for the elimination of mercury and eventually, of arsenic and hydrocarbons |
| 04/13/1995 | WO1995009970A1 Method and apparatus for separating a well stream |
| 04/13/1995 | WO1995009810A1 Low pressure formation of a urea hydrolysate for nitrogen oxides reduction |
| 04/13/1995 | WO1995009687A1 NOBLE METAL CATALYSTS FOR THE REDUCTION OF NOx IN THE EXHAUST GASES FROM INTERNAL COMBUSTION ENGINES CONTAINING EXCESS OXYGEN |
| 04/13/1995 | DE4435642A1 Filter centrifuge |
| 04/13/1995 | CA2172820A1 Method and apparatus for separating a well stream |
| 04/13/1995 | CA2117822A1 Start-up and shut down processes for membrane systems and membrane systems useful for the same |
| 04/12/1995 | EP0647823A1 Heat pipe and gas-liquid contacting apparatus capable of heat exchange using the heat pipes and heat exchanger of gas-liquid contacting plate type |
| 04/12/1995 | EP0647481A1 Process for the treatment of fly ash |
| 04/12/1995 | EP0647463A1 Start-up and shut down processes for membrane systems |
| 04/12/1995 | EP0647462A1 Method for removing carbon dioxide from combustion exhaust gas |
| 04/12/1995 | EP0647206A1 Dual impregnated activated carbon. |
| 04/12/1995 | EP0632730A4 Use of immobilized film reactor. |
| 04/12/1995 | EP0627064A4 A process for extracting vapor from a gas stream. |
| 04/12/1995 | EP0556228B1 Surface stabilized sources of isocyanic acid |
| 04/12/1995 | EP0458990B1 Method of concentrating chlorine gas |
| 04/12/1995 | EP0428753B1 Exhaust gas purifying catalyst excellent in thermal resistance and method of production thereof |
| 04/12/1995 | EP0238592B2 Method for the selective removal of h2s from a h2s-containing gas |