| 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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| 01/27/2000 | WO2000003788A1 Method and device for liquid purification of crude gas flows |
| 01/27/2000 | CA2340624A1 Self-regenerating oxidation catalyst for treating diesel engine exhaust gases |
| 01/26/2000 | EP0974397A2 Methods for the regeneration of a denitration catalyst |
| 01/26/2000 | EP0974389A2 Method and apparatus for recovering a gaseous component from a gas mixture |
| 01/26/2000 | EP0974388A1 Process for purifying gases |
| 01/26/2000 | EP0974002A1 PROCESS AND DEVICE FOR MONITORING A NOx ACCUMULATOR |
| 01/26/2000 | EP0973611A1 Four-way diesel exhaust catalyst and method of use |
| 01/26/2000 | EP0973600A1 Device for filtering and separating liquid and gaseous media and/or drying gaseous media |
| 01/26/2000 | EP0973599A1 Dryer for compressed air |
| 01/26/2000 | EP0973398A1 Method, composition and system for the controlled release of chlorine dioxide gas |
| 01/26/2000 | EP0914190A4 Bypass system and method for regenerative thermal oxidizers |
| 01/26/2000 | EP0907401A4 Integrated voc entrapment system for regenerative oxidation |
| 01/26/2000 | EP0871542B1 Process for manufacturing a honeycombed body from two different types of sheet metal |
| 01/26/2000 | EP0851835B1 Method of processing fluorine-contaminated hydrochloric acid arising from waste treatment |
| 01/26/2000 | CN2360145Y Wind power water bath type high effective desulphurizing duster |
| 01/26/2000 | CN2360143Y Wetting dust removing desulphurization Unit |
| 01/26/2000 | CN1242763A Improved process for synthesis of urea and equipment therefor |
| 01/26/2000 | CN1242715A Composite materials for membrane reactors |
| 01/26/2000 | CN1242261A Catalyst for removing sulfur dioxide |
| 01/26/2000 | CN1242259A Catalyst for reducing nitrogen oxide(s) in oxidative atmosphere and reductive atmophere |
| 01/26/2000 | CN1242258A Method for removing sulfur series foul smell gas by using polyacrylonitrile active carbon fiber |
| 01/26/2000 | CN1242257A Active carbon fiber for removing foul smell gas, and method for preparing same |
| 01/26/2000 | CN1242255A Method for preparing deodorising agent |
| 01/26/2000 | CN1242253A Electron beam irradiation device |
| 01/26/2000 | CN1242252A Removing and recovering nitrogen oxide(s) by adsorption separation method from mixed gas contg. nitrogen oxide(s) |
| 01/26/2000 | CN1242251A Adsorption separation method for removing nitrogen oxide(s) and sulfer oxide(s) from gas coming from lime kiln |
| 01/26/2000 | CN1048650C Preparation process of catalyst for waste gas purification |
| 01/26/2000 | CN1048649C Wet process flue gas desulfurization apparatus |
| 01/26/2000 | CN1048648C Gas drier and use thereof |
| 01/25/2000 | US6018471 Methods and apparatus for treating waste |
| 01/25/2000 | US6018090 Pyrolysis of waste materials in first heating zone to produce dust and pyrolysis gas, dedusting; burning the dedusted gas in second heating zone to produce flue gas, denitrogenating gas; cooling flue gas and filtering out impurities |
| 01/25/2000 | US6018061 Contacting the reactor effluent from vapor phase epoxidation with an absorbent which absorbs all of the 3,4-epoxy-1-butene and vaporizing in the absorber a non-reactive coolant to cool the absorber to lower the temperature and pressure |
| 01/25/2000 | US6018060 Membrane process and apparatus for argon purging from oxidation reactors |
| 01/25/2000 | US6017646 Process integrating a solid oxide fuel cell and an ion transport reactor |
| 01/25/2000 | US6017507 Process for oxidation of H2 S to sulphur |
| 01/25/2000 | US6017503 Emission from a combustion apparatus, e.g., internal combustion engine, by controlling accurately the rate of a ammonia and/or urea reducing agent introduced by measuring downstream with a sensor the concentration of ammonia and nox |
| 01/25/2000 | US6017501 Mixing a gas feed stream containing hydrogen sulfide gas, a gas feed stream containing oxygen, and an aqueous liquid feed stream; catalytically oxidating hydrogen sulfide gas with oxygen gas to produce water-soluble sulfate ions |
| 01/25/2000 | US6017498 Filaments compressed to be substantially fluid impervious for sealing the interface between the housing and the element to preclude the gas flow in the given direction; cushioning of automobile catalytic exhaust gas systems; shockproof; |
| 01/25/2000 | US6017439 Method and apparatus for separating liquid mixtures using intermittent heating |
| 01/25/2000 | US6017384 Nozzle arrangement for a scrubbing column |
| 01/25/2000 | US6017383 Removal of impurities such as nitrogen dioxide, sulfur dioxide and chlorine gases utilizing a multiphase flow including a series of translating slugs |
| 01/25/2000 | US6017382 Method of processing semiconductor manufacturing exhaust gases |
| 01/25/2000 | US6016803 Self-contained hyperbaric chamber |
| 01/25/2000 | US6016687 Apparatus for indicating ozone exposure |
| 01/25/2000 | US6016667 Mixing with methanol; refirgeration; separation; stabilization |
| 01/25/2000 | US6016654 Assembly for reducing the exhaust gas emissions of an internal combustion engine |
| 01/25/2000 | CA2193638C Exhaust gas treating systems |
| 01/25/2000 | CA2135942C Vacuum pressure swing adsorption process |
| 01/25/2000 | CA2057920C Desiccant gas drying system |
| 01/22/2000 | CA2277669A1 Method and apparatus for recovering a gas from a gas mixture |
| 01/20/2000 | WO2000002657A1 Catalyst body |
| 01/20/2000 | WO2000002648A1 METHOD FOR REGENERATING AN NOx STORAGE CATALYST |
| 01/20/2000 | WO2000002647A1 Bio-catalytic filter |
| 01/20/2000 | WO2000002646A1 Method for cleaning a waste gas |
| 01/20/2000 | WO2000002645A1 Process and catalyst/sorber for treating sulfur compound containing effluent |
| 01/20/2000 | WO2000002644A1 Process for the removal of metal carbonyl from a gaseous stream |
| 01/20/2000 | WO2000002643A1 Regenerative method for co2 adsorption with ion exchange resin |
| 01/20/2000 | WO2000002642A1 Co-current and counter-current gas dehydration system |
| 01/20/2000 | DE19922280A1 Electric spark catalyst system which regenerates exhaust gases |
| 01/20/2000 | DE19840409C1 Dehumidification of gas by condensation |
| 01/20/2000 | DE19832154A1 Forced draught thermal treatment of toxically polluted solids waste, with direct quench cooling of the separated exhaust gases |
| 01/20/2000 | DE19831313A1 Quantitative and qualitative determination of absorbed pollutant substances by monitoring electrical properties of a substrate during controlled thermal desorption |
| 01/20/2000 | DE19803280A1 Acid filter, e.g., for fluoro carbon production units |
| 01/20/2000 | CA2337033A1 Method for cleaning a waste gas |
| 01/19/2000 | EP0972999A1 Absorber of absorption system refrigerator |
| 01/19/2000 | EP0972746A1 Process and apparatus for producing sulfuric acid |
| 01/19/2000 | EP0972565A2 Method of making pollutant harmless and apparatus for conducting the method |
| 01/19/2000 | EP0972560A2 Process and apparatus for intensively mixing of reactants |
| 01/19/2000 | EP0972557A1 Apparatus for supllying a purified gas used for purging an installation |
| 01/19/2000 | EP0972556A1 Adsorption of hydrophobic gaseous compounds and /or aerosols from a gas |
| 01/19/2000 | EP0972162A1 Rotary regenerative oxidizer |
| 01/19/2000 | EP0972130A1 Multilayer intumescent sheet |
| 01/19/2000 | EP0971855A1 CERIUM OXIDES, ZIRCONIUM OXIDES, Ce/Zr MIXED OXIDES AND Ce/Zr SOLID SOLUTIONS HAVING IMPROVED THERMAL STABILITY AND OXYGEN STORAGE CAPACITY |
| 01/19/2000 | EP0971790A1 Apparatus and method for ammonia removal from waste streams |
| 01/19/2000 | EP0971785A1 Recovery of perfluorinated compounds and hydrofluorocarbon gases using molecular sieve membranes |
| 01/19/2000 | EP0971784A1 A system for preventing the emanation of vapors, odors, smoke and dusts in open spaces |
| 01/19/2000 | EP0888166A4 Air drying and purification system |
| 01/19/2000 | EP0830201B1 Diesel engine exhaust gas purification system |
| 01/19/2000 | EP0682768B1 Improved method and apparatus for achieving high reaction rates |
| 01/19/2000 | CN2358983Y Net-type ceramics carrier |
| 01/19/2000 | CN2358982Y Metal mesh-shaped integral catalyst core for purification of waste gas of engine |
| 01/19/2000 | CN2358981Y Desulfurization device for flue gas |
| 01/19/2000 | CN2358980Y Back-water sealed purification by vapour column method |
| 01/19/2000 | CN2358979Y Venturi fluidized bed suspension dry desulfurization device for flue gas |
| 01/19/2000 | CN2358978Y Waste gas purification cabinet |
| 01/19/2000 | CN2358977Y Sprial roll type membrane separator |
| 01/19/2000 | CN1241989A Cerium and zirconium oxides, mixed oxides and solid solutions having improved thermal stability for catalysis of exhaust gas systems and methods of producing |
| 01/19/2000 | CN1241988A Composite zirconium-cerium oxide, process for the preparation thereof, and cocatalyst for cleaning exhaust gas |
| 01/19/2000 | CN1241985A Method for purifying a cryogenic fluid by filtration and adsorption |
| 01/19/2000 | CN1241951A Reactor gasifying engine particulates and unburned hydrocarbons |
| 01/19/2000 | CN1241449A Filter with diffusion channel and methods |
| 01/19/2000 | CN1048537C Metallic honeycomb structure supported in on inner and on outer casing tube, especially a catalyst support |
| 01/19/2000 | CN1048418C Fluidizable sulfur sorbent and fluidized sorption method |
| 01/19/2000 | CN1048417C Method for separating hydrocarbon from catalytic cracked dry gas |
| 01/19/2000 | CN1048416C Apparatus for gas-liquid contact |
| 01/18/2000 | US6015536 Deodorizing effluents with peroxyacids mixtures thereof by contacting the plant effluent in either a counterflow or cocurrent flow |
| 01/18/2000 | US6015494 Apparatus for separating oil from water in oil/water mist thereof entrained in gas flow, consisting of shredded fibrous polyolefin sheet packed in hollow separator to absorb oil |
| 01/18/2000 | US6015483 Process for the NO-removal from engine exhaust gases |
| 01/18/2000 | US6014888 Working environment density measuring method |
| 01/18/2000 | US6014859 Device for purifying exhaust gas of engine |