| 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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| 02/04/1998 | EP0660752B1 Method for pollution emission reduction from glass melting furnace |
| 02/04/1998 | CN2273617Y Energy saving and sectional type ceramic desulfurizing and water membrane dust separating equipment |
| 02/04/1998 | CN1172438A Method and apparatus for cleaning ambient air by contact with stationary substrate |
| 02/04/1998 | CN1172437A Nitrogen oxides reduction catalyst and process for producing nitrogen oxides in exhaust gas |
| 02/04/1998 | CN1171977A 废气净化器 The exhaust gas purifying device |
| 02/04/1998 | CN1037253C Particle loader |
| 02/03/1998 | US5714665 Method and apparatus for the decomposition and re-use-as-resource treatment of ozone layer-depleting substances by application of UV light |
| 02/03/1998 | US5714432 Removing nitrogen oxides using catalyst and hydrocarbons in exhaust gas as reducing agents |
| 02/03/1998 | US5714228 Hexagonal shaped cell walls with rounded corners, provide extra strength to the substrate and uniformly dissipate any force applied to the substrate |
| 02/03/1998 | US5714130 Exhaust gas cleaner and method for cleaning exhaust gas |
| 02/03/1998 | US5714126 Layer of adsorbing activated carbon, and layer of adsorbing activated carbon impregnated with a sulfate compound, a molybdenum compound, and a compound of zinc or copper |
| 02/03/1998 | US5714091 Process for the partial oxydation of hydrocarbons |
| 02/03/1998 | US5713984 Process for producing pressurized oxygen by adsorption |
| 02/03/1998 | US5713971 Filtration device using absorption for the removal of gas phase contaminants |
| 02/03/1998 | US5713199 Device for detecting deterioration of NOx absorbent |
| 02/03/1998 | CA2111497C Integrated process for producing atmospheres suitable for heat treating from non-cryogenically generated nitrogen |
| 01/29/1998 | WO1998003820A1 Cremation method |
| 01/29/1998 | WO1998003616A1 Additive to be sprayed into the combustion chambers of heating plants and process for preventing high temperature corrosion |
| 01/29/1998 | WO1998003253A1 Packing for separation columns and process of use |
| 01/29/1998 | WO1998003251A1 Three-way conversion catalysts and methods for the preparation therefor |
| 01/29/1998 | WO1998003250A1 Process for treating waste gases produced in an organic waste incineration plant |
| 01/29/1998 | WO1998003249A1 Flue gas cleaning device with catalytic ceramic filter |
| 01/29/1998 | WO1998003248A1 Apparatus and method for removing condensable material |
| 01/29/1998 | WO1998003247A1 Process for reducing the concentration of polyhalogenated aromatic compounds or polynuclear aromatic hydrocarbons in a flue gas |
| 01/29/1998 | WO1998003246A1 Method and plant for treating a gas mixture by pressure-swing adsorption |
| 01/29/1998 | WO1998003242A1 Use of non-particulate sorbents for simulated moving bed separating methods |
| 01/29/1998 | DE19731505A1 Waste gas scrubber for cleaning gas generated in fertilizer production |
| 01/29/1998 | DE19731504A1 Wash tower for purification of inorganic fertiliser waste gases |
| 01/29/1998 | DE19645223C1 for recovering constituents of anaesthetic gas |
| 01/29/1998 | DE19629423A1 Neutralisation of acids from industrial processes |
| 01/29/1998 | DE19628932A1 Production of oxygen@ and hydrogen@ from steam |
| 01/29/1998 | CA2261037A1 Additive to be sprayed into the combustion chambers of heating plants and process for preventing high temperature corrosion |
| 01/29/1998 | CA2232440A1 Method and plant for treating a gas mixture by pressure-swing adsorption |
| 01/28/1998 | EP0821211A2 Cryogenic hybrid system for producing low purity oxygen and high purity oxygen |
| 01/28/1998 | EP0821146A2 Automotive hydrocarbon adsorber system |
| 01/28/1998 | EP0820972A1 Process for the isoalkane/n-alkane separation by adsorption in the gas phase using pressure modulation and four adsorbers |
| 01/28/1998 | EP0820960A1 Removal of O2 and/or CO from inert gas using adsorption on porous metal oxide |
| 01/28/1998 | EP0820810A1 Exhaust gas purification |
| 01/28/1998 | EP0820805A2 Separation membrane |
| 01/28/1998 | EP0820803A2 Purification of waste gases obtained in the production of mineral fertilizers |
| 01/28/1998 | EP0820802A2 Multi-washer and process for complete cleaning of gases |
| 01/28/1998 | EP0820801A1 Process and installation for the treatment of perfluorinated and hydrofluorocarbonated gases, for the purpose of their destruction |
| 01/28/1998 | EP0820800A1 Process for desulfurizing a sulfur-dioxide containing gas |
| 01/28/1998 | EP0820799A2 System for and method of removing NOx from exhaust gases |
| 01/28/1998 | EP0820798A2 Radial bed vacuum/pressure swing adsorber vessel |
| 01/28/1998 | EP0820342A1 Process and device for reducing pollutants, especially nitrogen oxides in combustion exhaust gases |
| 01/28/1998 | EP0820339A1 Modular air-cleaning system |
| 01/28/1998 | EP0820328A1 Catalytic oxidation |
| 01/28/1998 | CN2273307Y 滤水器 Water Filters |
| 01/28/1998 | CN1171748A Catalytic oxidation catalyst and method for controlling voc. organic compound, CO and halogenated discharging organism |
| 01/28/1998 | CN1171290A Hollow fiber membrane separation apparatus |
| 01/28/1998 | CN1171289A Wet-gas treating device and method for simultaneously removing toxicity and dust |
| 01/28/1998 | CN1171287A Hydrogen drying method for electric generator |
| 01/28/1998 | CN1171286A Pressure swing adsorption process turndown control |
| 01/28/1998 | CN1171285A Variable-pressure adsorption process for removing CO2 from transformation gas |
| 01/28/1998 | CN1037158C Method for preparing carbon membranes, capable of controlling aperture |
| 01/28/1998 | CN1037157C Method and device for tackling waste gas from viscose fibers production |
| 01/28/1998 | CN1037156C Vacuum pressure-changing adsorption system for recovering oxygen or nitrogen from air |
| 01/27/1998 | US5712433 Exhaust gas measuring apparatus |
| 01/27/1998 | US5712220 Ceramic membrane |
| 01/27/1998 | US5712219 Air and water pollution control |
| 01/27/1998 | US5712218 Solid solutions, catalytic exhaust systems |
| 01/27/1998 | US5711926 Pressure swing adsorption system for ammonia synthesis |
| 01/27/1998 | US5711882 Gas separation membrane module and process |
| 01/27/1998 | US5711787 Oxygen recovery pressure swing adsorption process |
| 01/27/1998 | US5711233 Process and arrangement for the treatment of solid combustion residues in a combustion installation, in particular in a waste incineration plant |
| 01/27/1998 | US5711149 Device for purifying the exhaust gas of a diesel engine |
| 01/27/1998 | US5711147 Plasma-assisted catalytic reduction system |
| 01/27/1998 | US5711071 Catalytic structures and method of manufacture |
| 01/24/1998 | CA2209759A1 Process for desulfurizing a sulfur-dioxide containing gas |
| 01/22/1998 | WO1998002648A1 Method and apparatus for injecting hydrogen into a catalytic converter |
| 01/22/1998 | WO1998002524A1 Sulphur reducing bacterium and its use in biological desulphurisation processes |
| 01/22/1998 | WO1998002482A1 Methof of manufacturing finely divided, water-insoluble polymers of aziridines, as well as modified, water-insoluble polymers of aziridines, and their use |
| 01/22/1998 | WO1998002248A1 Method of cleaning and/or regenerating wholly or partially de-activated catalysts for stack-gas nitrogen scrubbing |
| 01/22/1998 | WO1998002235A1 Heat exchange device and method of catalytically treating the atmosphere |
| 01/22/1998 | WO1998002234A1 Exhaust gas denitration method |
| 01/22/1998 | WO1998002233A1 Method and apparatus for processing exhaust gas with corona discharge |
| 01/22/1998 | DE19628741A1 Verfahren zur Feuerbestattung Method for cremation |
| 01/22/1998 | DE19628414A1 Modular bio-recycling diverse organic wastes |
| 01/22/1998 | DE19628413A1 Bio-recycling plant |
| 01/22/1998 | CA2261287A1 Sulphur reducing bacterium and its use in biological desulphurisation processes |
| 01/22/1998 | CA2259587A1 Heat exchange device and method of catalytically treating the atmosphere |
| 01/22/1998 | CA2210981A1 Horizontal multi-washer and method of total cleaning of synthesis gases obtained from the gasification of wastes of the most varied composition |
| 01/21/1998 | EP0819779A1 Processes for the scrubbing of noxious substances from an exhaust gas |
| 01/21/1998 | EP0819756A1 Sulphur reducing bacterium and its use in biological desulphurisation processes |
| 01/21/1998 | EP0819465A1 Exhaust gas catalyst comprising a supported noble metal containing composite oxide |
| 01/21/1998 | EP0819464A1 Processes for the scrubbing of noxious substances |
| 01/21/1998 | EP0819463A2 Pressure swing adsorption process |
| 01/21/1998 | EP0819462A2 Gas purification arrangement for an internal combustion engine comprising nitricoxide adsorbers |
| 01/21/1998 | EP0819461A1 Single stage secondary high purity oxygen concentrator |
| 01/21/1998 | EP0819449A1 Process for decomposing fluorocarbons, reagent and apparatus used therefor |
| 01/21/1998 | EP0819233A1 Process and plant for the thermal treatment of waste material |
| 01/21/1998 | CN1171063A Catalyst |
| 01/21/1998 | CN1171062A Nitrogen oxide reducing catalyst compositions based on tantalum, vanadium, iobium, copper or antimony |
| 01/21/1998 | CN1171061A Improved acid gas emission control |
| 01/21/1998 | CN1170862A Cryogenic hybrid system for producing low purity oxygen and high purity oxygen |
| 01/21/1998 | CN1170625A Gas seperation |
| 01/21/1998 | CN1170624A Process for treating gas mixture by pressure swing adsorption |
| 01/21/1998 | CN1037068C Absorptive sweetening agent for room temp. conversion of hydrogen sulfide, carbonyl sulfide, carbon disulfide and preparation |
| 01/20/1998 | US5710357 Process for recovering olefins from cat-cracked gas without accumulating undesirable oxides of nitrogen |