| 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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| 12/13/2000 | CN1276266A Application of catalyst in catalytic purification of car exhaust gas and its method |
| 12/13/2000 | CN1276265A Gas treating agent and its preparation method, gas purifying method, purifier and purifying apparatus |
| 12/13/2000 | CN1276260A Cellular ceramics with low thermal expansibility |
| 12/13/2000 | CN1276259A Reactant and method for decomposition of fluorine compounds, and use thereof |
| 12/13/2000 | CN1276258A Corona discharge method for activating steam |
| 12/13/2000 | CN1276257A Enclosing method and equipment for loading or unloading gasoline and recovering gasoline vapour |
| 12/13/2000 | CN1276256A Intelligent machine for removing air pollution |
| 12/13/2000 | CN1059353C Catalyst for catalytic treatment of exhaust gas contg. polycyclic aromatic contaminant |
| 12/13/2000 | CN1059350C Deodorisation device |
| 12/12/2000 | US6160238 Tunable molten oxide pool assisted plasma-melter vitrification systems |
| 12/12/2000 | US6159897 Titania-, zirconia- or silica-alumina composite support; alkali, alkaline earth or rare earth nox adsorbent; noble metal catalyst |
| 12/12/2000 | US6159893 Cordierite of a chemical composition containing 45 to 55% by weight of sio2, 33 to 42% by weight of al2o3, and 12 to 18% by weight of mgo are formed in the shape of a honeycomb. |
| 12/12/2000 | US6159542 Depositing seed crystals of t-type zeolite on a porous support; stirring aqueous mixture containing a silica source, alumina source, sodium ions, and potassium ions as starting materials and aging; immersing porous support in aged mixture |
| 12/12/2000 | US6159538 Method for introducing hydrogen into layered nanostructures |
| 12/12/2000 | US6159432 Housing having interior and exterior surfaces, first and second selectively movable electrodes positioned predetermined distance from each other, plasma discharge generator, gas stream introducer, collector for reaction product effluent |
| 12/12/2000 | US6159429 Apparatus comprising housing filled with volcanic ash over which is directed turbulent stream of exhaust gases |
| 12/12/2000 | US6159421 Method of cleaning gases |
| 12/12/2000 | US6159395 Process and plant for reforming hydrocarbonaceous feedstock |
| 12/12/2000 | US6159368 Multi-well microfiltration apparatus |
| 12/12/2000 | US6159272 Treating an off-gas stream of hydrogen, methane and hydrocarbons of 3+ carbon atoms by cooling to obtain an uncondensed portion rich in hydrogen and feeding that to a rubbery polymeric membrane selectively permeable to methane |
| 12/12/2000 | US6158721 Apparatus and method for adding carbon dioxide gas to ultra pure water |
| 12/12/2000 | US6158226 Trapping device |
| 12/12/2000 | CA2209441C Multi-thermal pulse psa system |
| 12/12/2000 | CA2205942C Dust collector |
| 12/12/2000 | CA2203305C Regenerative desiccant air dryer |
| 12/12/2000 | CA2195683C Zeolitic desulfurazation agents and their application to co2-containing gas treatment |
| 12/10/2000 | CA2274390A1 Multistage chemical separation method and apparatus using pressure swing adsorption |
| 12/10/2000 | CA2274318A1 Pressure swing adsorption with axial or centrifugal compression machinery |
| 12/10/2000 | CA2274312A1 Modular pressure swing adsorption apparatus with clearance-type valve seals |
| 12/10/2000 | CA2274301A1 Chemical reactor with pressure swing adsorption |
| 12/09/2000 | CA2274286A1 Rotary pressure swing adsorption apparatus |
| 12/07/2000 | WO2000073637A1 Canning structural body and method of manufacturing catalytic converter using the structural body |
| 12/07/2000 | WO2000073202A1 Process for nitrous oxide purification |
| 12/07/2000 | WO2000073046A1 Ceramic honeycombed body with inlay |
| 12/07/2000 | WO2000072945A1 Method for purifying gaseous effluents by means of photocatalysis, installation for carrying out said method |
| 12/07/2000 | DE19924130A1 Removal of solid particles from gas by piping gas to be filtered to the filter together with a powder or dust filtration-aid medium which is reusable |
| 12/07/2000 | DE19923781A1 Verfahren und Vorrichtung zur Entfernung von Ruß aus dem Abgas eines Dieselmotors Method and apparatus for removal of soot from the exhaust gas of a diesel engine |
| 12/07/2000 | DE19922960A1 Abgasreinigungsanlage mit interner Ammoniakerzeugung zur Stickoxidreduktion Emission control system with internal ammonia generation for nitrogen oxide reduction |
| 12/07/2000 | DE10023866A1 Carbon filter water drain removes unpleasant smells, is smaller and lighter than bio-filters and remains effective in periods of drought and frost |
| 12/06/2000 | EP1058069A1 Absorber |
| 12/06/2000 | EP1057989A2 Air-fuel ratio control system for engine |
| 12/06/2000 | EP1057519A1 Purification system for diesel engine exhaust gases |
| 12/06/2000 | EP1057518A2 Gas purification agent, method and device |
| 12/06/2000 | EP1057517A1 Electrochemical oxygen generating system |
| 12/06/2000 | EP1057516A1 Process for CS2 adsorption |
| 12/06/2000 | EP1056938A1 Method for providing and maintaining catalytically active surface in internal combustion engine |
| 12/06/2000 | EP1056937A1 Combustion engine air supply system |
| 12/06/2000 | EP1056533A1 Process of forming a permeable gas separation material |
| 12/06/2000 | EP1056531A1 Exhaust gas catalyst for two-stroke engines |
| 12/06/2000 | EP1056530A1 Device for monitoring an adsorbent reactor |
| 12/06/2000 | EP0951529A4 Steam reformer with internal hydrogen purification |
| 12/06/2000 | EP0820339B1 Modular air-cleaning system |
| 12/06/2000 | CN2409197Y Medical molecular sieve pressure change adsorption oxygenerator |
| 12/06/2000 | CN2408956Y Efficient absorbing separator specially for ammonia recovering technique of liquid ammonia processing apparatus |
| 12/06/2000 | CN2408954Y Main body for boiler flue type device for eliminating smoke, dedusting and desulfurizing |
| 12/06/2000 | CN2408952Y Efficient water dedusting devulcanizer |
| 12/06/2000 | CN1275707A Absorption device |
| 12/06/2000 | CN1275435A Flue gas purifying catalyst |
| 12/06/2000 | CN1275427A Complete oxidation catalyst for low concentration C1/C2 organic effluents |
| 12/06/2000 | CN1275426A Carbon dioxide absorption agent |
| 12/06/2000 | CN1275425A Method for purifying waste gas containing NOx |
| 12/06/2000 | CN1275424A Novel technology and apparatus for removing SOx like harmful chemical substances from industrial waste gas |
| 12/06/2000 | CN1275423A Adsorption type hydrogen drying method and device thereof |
| 12/06/2000 | CN1275421A Air-purifying piece and method for making and using same |
| 12/06/2000 | CN1059267C Production of ultrahigh purity nitrogen |
| 12/06/2000 | CN1059191C Palladium-ceramic composite film and nitrogen rich film coupling making catalytic |
| 12/06/2000 | CA2309787A1 Improved method of biological cleaning of contaminated gas flow |
| 12/05/2000 | US6156950 Absorption, permeation; regeneration with isopentane, pentane, or isohexane gas |
| 12/05/2000 | US6156698 Honeycomb catalyst and manufacturing method therefor |
| 12/05/2000 | US6156696 For sulfur removal from fluid catalyst cracking process, cold-side combustion gas sulfur abatement and cleaner coal gasification |
| 12/05/2000 | US6156657 Pressing substrate onto holder in film forming apparatus; heating with lamp; separately introducing two active substances; vaporizing; forming metal film and depositing on substrate; exhausting unreacted active substances |
| 12/05/2000 | US6156290 Zeolite SSZ-47 |
| 12/05/2000 | US6156283 Hydrophobic catalytic materials and method of forming the same |
| 12/05/2000 | US6156281 Process for removal of hazardous air pollutants from coal |
| 12/05/2000 | US6156277 Exhaust gas cleaning plant for a cement rotary kiln |
| 12/05/2000 | US6156211 Enhanced photocatalytic conversion of methane to methanol using a porous semiconductor membrane |
| 12/05/2000 | US6156205 Scrubbing a gas containing hydrogen sulphide and/or carbonyl sulphide, in which the spent scrubbing liquid is treated with autotrophic sulphide-oxidizing bacteria capable of oxidizing at high ph, and obtaining elemental sulphur |
| 12/05/2000 | US6156203 Treating the pcb pollutant with butane-utilizing bacteria in the presence of butane and oxygen for a treatment time sufficient for the butane-utilizing bacteria to degrade the pcb pollutant |
| 12/05/2000 | US6156197 Fluid distributing-collecting system and its process |
| 12/05/2000 | US6156106 Gas-liquid separator having a curved collision surface opposed to a gas inlet port |
| 12/05/2000 | US6156105 Semiconductor manufacturing system with getter safety device |
| 12/05/2000 | US6156103 Discharge gas purification system |
| 12/05/2000 | US6156102 Method and apparatus for recovering water from air |
| 12/05/2000 | US6156101 Concurrent evacuation of gas and addition of stored adsorber effluent; cycles |
| 12/05/2000 | US6156100 Method and apparatus for concentrating a gas using a single stage adsorption zone |
| 12/05/2000 | US6156098 Charged droplet gas scrubber apparatus and method |
| 12/05/2000 | US6156097 CO2 removable from fluorocarbons by semipermeable membrane |
| 12/05/2000 | US6156096 Sweeping with fluid; eongated, hydrophobic, microporous |
| 12/05/2000 | US6155791 Wet/dry glycol pump automatic shut-down system |
| 12/05/2000 | US6155079 Combined process and plant for producing compressed air and at least one air gas |
| 12/05/2000 | US6155072 Snap on desiccant bag |
| 12/05/2000 | US6155044 Exhaust gas purifying system for internal combustion engine |
| 12/05/2000 | US6154909 Method of suppressing the formation of sulfuric acid aerosole in exhaust gas purification systems |
| 12/05/2000 | CA2216107C A polytetrafluoroethylene catalyst retaining apparatus and method of making and using same |
| 12/05/2000 | CA2205682C Honeycomb structural body |
| 12/05/2000 | CA2200130C Method for the removal of carbon dioxide present in gases and absorbent |
| 12/04/2000 | CA2311848A1 Gas processing agent and manufacturing method therefor, gas purification method, gas purifier and gas purification apparatus |
| 12/02/2000 | CA2310347A1 Two stage process and apparatus for photocatalytic and catalytic conversion of contaminants |
| 11/30/2000 | WO2000071878A1 METHOD OF CONTROLLING AN NOx STORAGE CATALYST |
| 11/30/2000 | WO2000071877A1 METHOD FOR DESULFURIZATION OF AT LEAST ONE NOx STORAGE CATALYST MOUNTED IN THE EXHAUST GAS DUCT OF AN INTERNAL COMBUSTION ENGINE |