| 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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| 05/11/1994 | WO1994009886A1 Gas-separation process |
| 05/11/1994 | WO1994009885A1 Bio filter |
| 05/11/1994 | EP0596559A1 Method for the elimination of arsenic-containing warfare agents |
| 05/11/1994 | EP0596552A1 Catalyst for treatment of diesel exhaust particulate |
| 05/11/1994 | EP0596441A2 Purification of very slightly contaminated air within a clean room |
| 05/11/1994 | EP0596268A1 Multiple purity membrane process |
| 05/11/1994 | EP0596256A1 Particle loader |
| 05/11/1994 | EP0596255A1 Perforated plate fluid distributor and its associated fixed bed vessel |
| 05/11/1994 | EP0596229A1 Process for cleaning exhaust gas from waste incinerators |
| 05/11/1994 | EP0596195A1 Liquid distributor for a vapor-liquid contacting column |
| 05/11/1994 | EP0595898A1 Paint detackifying and flocculating composition and process |
| 05/11/1994 | EP0595861A1 Method for producing an aqueous sodium chloride solution |
| 05/11/1994 | EP0359779B1 Compressed air carbon monoxide filter |
| 05/11/1994 | EP0278980B1 Process and device for optimising energy output in heating installations, reducing the pollutants generated and cleaning flue gases |
| 05/11/1994 | DE4237705A1 Diesel engine exhaust catalytic converter reduction agent inflow control - by sensors positioned down flow from reduction catalytic convertersimplifying registration of operating parameters end economising use of reduction agent |
| 05/11/1994 | CN2164328Y Chemical experiment cupboard |
| 05/11/1994 | CN1086460A Silica-gel removing and fluorine recovering method and apparatus |
| 05/11/1994 | CN1086459A Treatment of gas streams |
| 05/11/1994 | CA2148609A1 Gas separation process |
| 05/11/1994 | CA2147637A1 Process and equipment for purifying flammable gas |
| 05/11/1994 | CA2127351A1 Intercooler apparatus |
| 05/10/1994 | US5310714 Synthesis of zeolite films bonded to substrates, structures and uses thereof |
| 05/10/1994 | US5310593 Sintered sheets of activated carbon in layers |
| 05/10/1994 | US5310548 Deodorants, deodorant sheets, filter sheets and functional papers as well as filtering mediums for exhaust gas |
| 05/10/1994 | US5310528 Reacting with absorbent activated by wetting; air pollution control |
| 05/10/1994 | US5310498 Sulfur dioxide removal from gases using a modified lime |
| 05/10/1994 | US5310461 Of solvents |
| 05/10/1994 | US5310416 Process and apparatus for the absorption of explosive gases in a mass transfer column |
| 05/10/1994 | US5310414 Fluidized bed, ceramic on support |
| 05/10/1994 | CA1329378C Decomposition of volatile organic halogenated compounds contained in gases and aqueous solutions |
| 05/05/1994 | DE4304193C1 Process to wash acid components out of waste gases - by absorption with washing fluid passed briefly through two packed vessels through which smoke rises |
| 05/05/1994 | DE4237288A1 Thermal disposal of hazardous waste - esp. medical, laundry and chemcial cleaning waste, using pyrolysis combustion furnace |
| 05/04/1994 | EP0595492A1 Treatment of waste containing metal chlorides |
| 05/04/1994 | EP0595181A1 Membrane/PSA-deoxo process for nitrogen production |
| 05/04/1994 | EP0595100A1 Process for producing highly pure streams of hydrogen and carbon monoxide |
| 05/04/1994 | EP0595079A1 Process for the reaction of CFC's with alkali metal dispersions |
| 05/04/1994 | EP0595027A1 Process for the biological cleaning of exhaust air |
| 05/04/1994 | EP0594826A1 Catalytic regenerative thermal oxidizer |
| 05/04/1994 | EP0594591A1 Gas separation membranes comprising miscible blends of polyimide polymers |
| 05/04/1994 | CN1086185A Particle loader |
| 05/03/1994 | USRE34595 Separation and purification by passing through solid electrolyte permselective membrane |
| 05/03/1994 | US5308810 Method for treating contaminated catalyst |
| 05/03/1994 | US5308665 Impurity scavenger pillow |
| 05/03/1994 | US5308597 Production of heavy metal carbides of high specific surface area |
| 05/03/1994 | US5308590 Purification of gases by filtration |
| 05/03/1994 | US5308534 Dissolving an iron salt and an organic compound in a hydration solution to form a complex and mixing hydration solution with an alkaline earth oxide to form a hydroxide sorbent containing said complex |
| 05/03/1994 | US5308509 Scrubber tower for flue gas desulfurization |
| 05/03/1994 | US5308457 Self-contained system for controlling gaseous emissions from dilute organic sources and a process for using that system |
| 05/03/1994 | US5308383 Method for separating chlorine from a mixture of gases |
| 05/03/1994 | US5308382 Insertion of containers, fluid flow and withdrawal or purging waste gases |
| 05/03/1994 | US5307638 Process to recover solvents from waste gases |
| 05/03/1994 | CA1329189C Evacuation cleanser |
| 05/03/1994 | CA1329149C Process of purifying the exhaust gases from a sintering plant |
| 05/01/1994 | CA2108114A1 Treatment of waste containing metal chlorides |
| 04/28/1994 | WO1994009523A1 Method and apparatus for the selective oxidation of carbon monoxide in a hydrogen-containing gas mixture |
| 04/28/1994 | WO1994008980A1 Mixtures of hexahydrotriazines useful as h2s scavengers |
| 04/28/1994 | WO1994008895A1 Process and composition for pollution control |
| 04/28/1994 | WO1994008894A1 Process and composition for adjusting the optimum effluent temperature of a nitrogen oxides reducing treatment agent |
| 04/28/1994 | WO1994008893A1 Process and composition for pollution control |
| 04/28/1994 | WO1994008892A1 Ash ammonia stripping |
| 04/28/1994 | WO1994008700A1 Apparatus for cleaning gas |
| 04/28/1994 | WO1994008699A1 Processes for the treatment of combustion residues and purification of combustion emissions |
| 04/28/1994 | WO1994008698A1 Gas filter |
| 04/28/1994 | WO1994008697A1 Method for flue-gas cleaning |
| 04/28/1994 | DE4235957A1 Separate removal of sulphur cpds. and carbon di:oxide from gas - by desulphurisation catalytically then with doped activated charcoal and pressure swing adsorption to remove carbon di:oxide |
| 04/28/1994 | DE4235894A1 Verfahren und Einrichtung zum Reinigen von brennbarem Gas Method and apparatus for purifying flammable gas |
| 04/28/1994 | DE4235892A1 Porous clay and slate for cleaning soiled material - contains immobilised microorganisms as bacteria, esp. to convert hydrocarbon |
| 04/28/1994 | CA2145394A1 Gas filter |
| 04/28/1994 | CA2145087A1 Processes for the treatment of combustion residues and the purification of combustion emissions |
| 04/27/1994 | EP0594558A2 Industrial process for the separation and recovery of chlorine |
| 04/27/1994 | EP0594497A1 Module for filtration, separation, gas or liquid purification or catalytic conversion |
| 04/27/1994 | EP0594360A1 Method of adsorbing and removing nitrogen oxides |
| 04/27/1994 | EP0594232A1 Process for catalytic reduction of nitrogen oxides in combustion exhaust gases |
| 04/27/1994 | EP0593953A1 Device for combustion of gaseous and/or liquid fuels |
| 04/27/1994 | EP0593904A1 Improvement in exhaust gas conversion system using zeolite positioned close to exhaust gas source |
| 04/27/1994 | EP0593898A1 Exhaust gas conversion method and apparatus using thermally stable zeolites |
| 04/27/1994 | EP0593887A1 Process for drying pasty material preferably in the form of pellets, especially sewage sludge and apparatus for carring out this process |
| 04/27/1994 | EP0593790A1 Catalyst for reducing of nitrogen oxide in smoke and process for its preparation |
| 04/27/1994 | CN2163001Y Constant effect screen coater |
| 04/27/1994 | CN1086001A Metal honeycomb body of intertwined sheet-metal layers and method for its production |
| 04/27/1994 | CN1085935A Method and apparatus for cleaning of combustible gas |
| 04/27/1994 | CN1085821A Method for separating hydrocarbon from catalytic cracked dry gas |
| 04/27/1994 | CN1024325C Removal and recovery of sulphur dioxide from gas streams |
| 04/27/1994 | CN1024324C Treatment of permeable membranes |
| 04/27/1994 | CN1024323C Turndown control method for membrane separation systems |
| 04/27/1994 | CN1024322C Processing nitrogen-rich, hydrogen-rich and olefin-rich gases with physical solvents |
| 04/26/1994 | US5306685 Absorption of hydrogen sulfide and absorbent composition therefor |
| 04/26/1994 | US5306684 Mixed oxide of copper and tin on silica-containing support; removal of nitrogen oxides |
| 04/26/1994 | US5306476 Continuous sulfur removal process |
| 04/26/1994 | US5306475 Purifying exhaust gases with calcium hydroxide modified with silica gel or activated alumina |
| 04/26/1994 | US5306470 Conical microlith catalytic reaction system |
| 04/26/1994 | US5306427 Low pressure feed membrane separation process |
| 04/26/1994 | US5306411 Solid multi-component membranes, electrochemical reactor components, electrochemical reactors and use of membranes, reactor components, and reactor for oxidation reactions |
| 04/26/1994 | US5306331 Using one stream from gas separation unit to cool water by evaporation, cooling the feed gas mixture by contact with the cooled water, and recovering the other stream enriched in at least one gas |
| 04/26/1994 | US5306330 Using convergent-divergent nozzle |
| 04/26/1994 | US5305535 Bulk material reactor |
| 04/26/1994 | CA1328933C Process for treating various refuse materials, particularly smoke, garbage and sewage |
| 04/26/1994 | CA1328827C Expanded polytetrafluoroethylene tubular container |
| 04/23/1994 | CA2108818A1 Method of adsorbing and removing nitrogen oxides |
| 04/22/1994 | CA2108858A1 Membrane/psa-deoxo process for nitrogen production |