| 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) |
|---|
| 01/06/1998 | USH1701 Reducing pollution from fluorinated gases used in semiconductor processing, injection into aluminum bath, disposal of aluminum fluoride block |
| 01/06/1998 | US5705141 Calcium and/or magnesium hydroxide, and preparation and use thereof |
| 01/06/1998 | US5705136 Catalyzed decomposition of nitrogen oxides on metal oxide supports |
| 01/06/1998 | US5705135 Composition and process for the removal of hydrogen sulfide from gaseous streams |
| 01/06/1998 | US5705090 Absorption of mercaptans |
| 01/06/1998 | US5705051 Electrochemical process |
| 01/06/1998 | US5705046 Reaction with limestone to form gypsum and coal fly ash, filtration, transferring the filtrate to electrodialyzer for ion exchanging with membranes |
| 01/06/1998 | US5704967 Fluid storage and delivery system comprising high work capacity physical sorbent |
| 01/06/1998 | US5704966 Method and apparatus for the continuous capturing and removal of gas molecules |
| 01/06/1998 | US5704965 Pressure differential desorption |
| 01/06/1998 | US5704964 Equalization, evacuation, vacuum purging; oxygen generation from air |
| 01/06/1998 | US5704954 Air purification apparatus |
| 01/06/1998 | US5704214 Vacuum exhaust system for sucking and discharging exhaust gas |
| 01/06/1998 | CA2124674C Compositions, methods, and apparatus for separating oxygen from a gaseous mixture |
| 01/06/1998 | CA2050944C Sulfur dioxide removal from gases using a modified lime |
| 01/02/1998 | DE19625770A1 Destroying gaseous halogen-containing organic or inorganic materials |
| 01/02/1998 | DE19624261A1 Biological air filter for microbacteria colony |
| 01/02/1998 | DE19624216A1 Adsorption unit treating air stream to remove water and other vapours from vehicle passenger compartment |
| 12/31/1997 | WO1997049960A1 Helium recycling for optical fiber manufacturing |
| 12/31/1997 | WO1997049488A1 Stable pillared clays and their use as catalysts for hydroconversion of waxy feeds |
| 12/31/1997 | WO1997049481A1 Method for treating gas to reduce nitrogen oxide emission |
| 12/31/1997 | WO1997049480A1 Method for purifying effluent gases |
| 12/31/1997 | WO1997049479A1 Method of removing, from a stream of gas, fluorinated compounds which contribute to destruction of the ozone layer and/or changes in climate, and use of the method |
| 12/31/1997 | WO1997049478A1 Method and device for removing harmful substances, in particular dioxin |
| 12/31/1997 | WO1997043030A3 Method and apparatus for remediation of toxic flue gases |
| 12/31/1997 | CN1168811A Method of waste treatment for combination of chromium slag with pollutant from flue gas |
| 12/31/1997 | CA2256444A1 Stable pillared clays and their use as catalysts for hydroconversion of waxy feeds |
| 12/31/1997 | CA2255802A1 Method and device for removing harmful substances, in particular dioxin |
| 12/31/1997 | CA2221691A1 Helium recycling for optical fiber manufacturing |
| 12/30/1997 | US5703003 Durable regenerable sorbent pellets for removal of hydrogen sulfide from coal gas |
| 12/30/1997 | US5702999 Oxygen permeable mixed conductor membranes |
| 12/30/1997 | US5702678 Controlling temperature in claus unit thermal reactor by diverting portion of sulfur dioxide containing gas to downstream catalytic claus convertor instead of reacting with hydrogen sulfide in thermal reactor; recovering sulfur |
| 12/30/1997 | US5702675 Catalyst for purifying exhaust gases and process for producing the same |
| 12/30/1997 | US5702604 Water purification |
| 12/30/1997 | US5702572 Method for treating exhaust gases and foul water |
| 12/30/1997 | US5702508 Ceramic desiccant device |
| 12/30/1997 | US5702505 Using adsorbing towers |
| 12/30/1997 | US5702504 Enhanced efficiency for production of less selectively adsorbed component |
| 12/30/1997 | US5702503 Composite gas separation membranes and making thereof |
| 12/30/1997 | US5701763 Air separation |
| 12/30/1997 | US5701762 Apparatus for recovering high-boiling point solvents |
| 12/30/1997 | US5701749 Water collection and dispensing machine |
| 12/30/1997 | US5701736 For an internal combustion engine |
| 12/30/1997 | CA2018282C Method of operation of air cleaner |
| 12/29/1997 | EP0814249A2 Method for controlling engine exhaust gas system |
| 12/29/1997 | EP0814248A2 Method of controlling an engine exhaust gas system and method of detecting deterioration of catalyst/adsorbing means |
| 12/29/1997 | EP0814242A1 Combatting air pollution |
| 12/29/1997 | EP0814241A1 A method and a device for purifying combustion exhaust gas |
| 12/29/1997 | EP0813907A2 Metal foil material and a method of making it |
| 12/29/1997 | EP0813905A2 Perfume containing desiccant |
| 12/29/1997 | EP0813899A2 Catalyst element for purifying exhaust gases from internal combustion engine |
| 12/29/1997 | EP0813649A1 Electrically heated catalytic converter |
| 12/29/1997 | EP0813648A1 Device and method for heating a catalytic converter for the exhaust of an internal-combustion engine |
| 12/29/1997 | EP0813444A1 A filter frame |
| 12/29/1997 | EP0710163B1 Process for the treatment of polluting and meltable materials |
| 12/29/1997 | EP0710150A4 Method and afterburner apparatus for control of highly variable flows |
| 12/29/1997 | EP0673282B1 Catalyst for the purification of diesel engine exhaust gases |
| 12/25/1997 | CA2196036A1 Apparatus and method for recovering and separating non-condensing gases from a halocarbon composition |
| 12/24/1997 | WO1997049119A1 Photoelectronic material, device using the same, and method for manufacturing the same |
| 12/24/1997 | WO1997048889A1 Hybrid mounting system for pollution control devices |
| 12/24/1997 | WO1997048481A1 PROCESS FOR REGULATING OR CONTROLLING THE NOx CONTENT OF EXHAUST GASES GIVEN OFF DURING THE OPERATING OF GLASS MELTING FURNACES WITH SEVERAL BURNERS RUN ALTERNATELY |
| 12/24/1997 | WO1997048480A1 Hydrotalcite sulfur oxide sorption |
| 12/24/1997 | WO1997048479A1 Kitchen exhaust system with catalytic converter |
| 12/24/1997 | WO1997048478A1 A continuous gas molecule capturing and removal system |
| 12/24/1997 | WO1997048477A1 Return circuit for vapor recovery system |
| 12/24/1997 | WO1997048476A1 Photocatalyst |
| 12/24/1997 | WO1997031705A3 Method and device for purifying exhaust gases |
| 12/24/1997 | WO1997028887A3 Catalysts for the full oxidation of volatile organic compounds |
| 12/24/1997 | CN2271141Y Micro-heating energy-saving regeneration type compressed air dryer |
| 12/24/1997 | CN1168642A Flue gas scrubbing apparatus |
| 12/24/1997 | CN1168296A Process for treating waste water of flue gas desulfurization |
| 12/24/1997 | CN1168295A Flue gas desulfurization method and apparatus |
| 12/24/1997 | CN1036793C Method for removing hydrogen sulfide from natural gas with lime cream |
| 12/24/1997 | CN1036766C Extra gravity field device of cross current rotary bed |
| 12/24/1997 | CA2257260A1 Hybrid mounting system for pollution control devices |
| 12/24/1997 | CA2229936A1 Kitchen exhaust system with catalytic converter |
| 12/23/1997 | US5700747 Exhaust gas cleaning catalyst complex and method for producing the same |
| 12/23/1997 | US5700440 Selective oxidation of hydrogen sulfide in the presence of iron-based catalysts |
| 12/23/1997 | US5700439 Retarding solid sorbent agglomeration by coating with alumina, silica, bentonite or cerium oxide |
| 12/23/1997 | US5700438 Desulfurization by reacting with a copper primary-amine complexes, forming copper sulfide and primary amine, regenerating the complexes by reacting primary amine with a copper oxide; continuous processing |
| 12/23/1997 | US5700437 Flowing combustion gases into an aqueous solution of an alkanolamine containing a tertiary group and a toluenediamine |
| 12/23/1997 | US5700436 Purification of air in enclosed spaces |
| 12/23/1997 | US5700434 Reactor for catalytically processing gaseous fluids |
| 12/23/1997 | US5700375 Particle loaded membranes as oxidant scavengers |
| 12/23/1997 | US5700374 Separating one or more alcohols by a pore-free, vapor permeable polymeric layer comprising dimethylaminoethyl methacrylate homo- or copolymers or the amino group as quaternary ammonium ion |
| 12/23/1997 | US5700373 Method for sealing a filter |
| 12/23/1997 | US5700368 Adding inhibiting agents such as benzoic hydrazide or tert-butyl hydroperoxide |
| 12/23/1997 | US5700311 Methods of selectively separating CO2 from a multicomponent gaseous stream |
| 12/23/1997 | US5700310 Removal of oil from compressed gas with macroporous polymeric adsorbent |
| 12/23/1997 | US5699673 Compressed dry air supply system |
| 12/23/1997 | CA2098045C Dry scrubber with integral particulate collection device |
| 12/19/1997 | CA2204574A1 Pressure swing adsorption process turndown control |
| 12/18/1997 | WO1997047936A1 Device for cooling hot gasses |
| 12/18/1997 | WO1997047864A1 Exhaust gas purification apparatus of internal combustion engine and catalyst for purifying exhaust gas of internal combustion engine |
| 12/18/1997 | WO1997047863A1 Catalytic converter for a lean burn engine |
| 12/18/1997 | WO1997047382A1 Modified carbon adsorbents and processes for adsorption using the same |
| 12/18/1997 | WO1997047381A1 A manufacturing method of complex molecular sieve compound |
| 12/18/1997 | WO1997047380A1 Acid contacted enhanced adsorbent and/or catalyst and binder system |
| 12/18/1997 | WO1997047374A1 Nitrogen oxide traps |
| 12/18/1997 | DE19631001C1 Condenser for portable flue gas analysis instrument employs Peltier effect cooling |