| 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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| 01/05/2000 | CN1240153A Method for stabilizing outlet pressure of pressure changing adsorption vacuum pump by using air cabinet |
| 01/05/2000 | CN1240152A Dry and wet complex type desulfurizing dust remover |
| 01/05/2000 | CN1047954C Method for desulfurizing exhaust gas |
| 01/04/2000 | US6011192 Membrane-based conditioning for adsorption system feed gases |
| 01/04/2000 | US6010900 Method of increasing biodegradation of sparingly soluble vapors |
| 01/04/2000 | US6010675 Method of and apparatus for removing carbon monoxide from gaseous media |
| 01/04/2000 | US6010674 Vaporization; heating |
| 01/04/2000 | US6010673 Method for purifying exhaust gas |
| 01/04/2000 | US6010666 Containing metal oxide |
| 01/04/2000 | US6010614 Temperature control in a ceramic membrane reactor |
| 01/04/2000 | US6010604 Neural network packing |
| 01/04/2000 | US6010562 Painting system using desiccant dehumidifier for conditioning and removing VOCS from ventilation air to be returned to spray booth |
| 01/04/2000 | US6010560 Tube unit and process for its fabrication |
| 01/04/2000 | US6010558 Grease containment system and method for absorbing grease |
| 01/04/2000 | US6010557 Apparatus system and method for reducing contamination at the head-disc interface in a hard disc drive casing |
| 01/04/2000 | US6010556 Process for separating a gas mixture by pressure swing adsorption |
| 01/04/2000 | US6010555 Vacuum pressure swing adsorption system and method |
| 01/04/2000 | US6009870 Apparatus for producing a gas mixture for hypoxia training |
| 01/04/2000 | US6009742 Multi-channel pellistor type emission sensor |
| 01/04/2000 | US6009739 Method for evaluating performance of chemical filter for cleaning gas |
| 01/04/2000 | CA2276929A1 Catalyst for reducing nitrogen oxides in oxidising and reducing atmospheres |
| 01/04/2000 | CA2162346C Pressure swing adsorption process |
| 01/04/2000 | CA2157316C Simultaneous step pressure swing adsorption process |
| 01/04/2000 | CA2087972C Extraction and concentration of a gas component |
| 01/04/2000 | CA2009754C Sweetening of sulfur-containing gases using ozone |
| 01/04/2000 | CA1340871C Method for reducing emissions from or increasing the utilizable energy of fuel for powering internal combustion engines |
| 12/30/1999 | DE19926954A1 Apparatus for controlling the exhaust gas emissions in an engine |
| 12/30/1999 | DE19834980A1 Microwave hydrolysis reactor for large scale conversion of urea into ammonia for use in removal of nitrogen oxides from flue gas, especially in power stations |
| 12/30/1999 | DE19828977A1 Absorbent for removing acidic components from gases |
| 12/30/1999 | DE19828609A1 Regenerating a nitrogen oxides storage catalyst arranged in the exhaust gas stream of an IC engine |
| 12/30/1999 | DE19828348A1 Method for cleaning the process gases produced by thermal separation operations on metal workpieces |
| 12/29/1999 | WO1999067587A1 Cryogenic and membrane synthesis gas production |
| 12/29/1999 | WO1999067512A1 Exhaust emission control system for denoxing exhaust gases from combustion units and method therefor |
| 12/29/1999 | WO1999067511A1 Exhaust emission control device of internal combustion engine |
| 12/29/1999 | WO1999067510A1 The optimisation of gas flow in reactors for the treatment of gaseous media |
| 12/29/1999 | WO1999067509A1 Method for treating by combustion carbon-containing particles in an internal combustion engine exhaust circuit |
| 12/29/1999 | WO1999067020A1 Exhaust gas catalyst comprising rhodium, zirconia and rare earth oxide |
| 12/29/1999 | WO1999067010A1 A method of cleaning flue gases |
| 12/29/1999 | WO1999067009A1 Vapor movement controlling device |
| 12/29/1999 | WO1999067007A1 Purification assemblies and purification methods |
| 12/29/1999 | WO1999056872A3 Oxidation catalyst and method for catalytic oxidation |
| 12/29/1999 | WO1999048595A8 Oxygen generator system and method for operating the same |
| 12/29/1999 | EP0967008A2 Film of titanium dioxide containing silicon dioxide and a method of forming the same |
| 12/29/1999 | EP0967003A1 Process and system for exhaust gas treatment |
| 12/29/1999 | EP0967002A2 Method for processing polluted fluid |
| 12/29/1999 | EP0967001A2 Thermal destruction of gases and vapours from cleaning installations |
| 12/29/1999 | EP0966637A1 Method for dehumidifying air by diffusion-effusion |
| 12/29/1999 | EP0966318A1 Compact water collector |
| 12/29/1999 | EP0934112A4 Reduction of no x emissions from rotary cement kilns by selective noncatalytic reduction |
| 12/29/1999 | CN2356256Y Oil-gas separator |
| 12/29/1999 | CN2355779Y Photo regenerated deodorizing filter |
| 12/29/1999 | CN2355778Y Purifier for industrial waste gas by biological method |
| 12/29/1999 | CN2355777Y Spray absorption tower |
| 12/29/1999 | CN2355776Y Purifier for compressed air |
| 12/29/1999 | CN2355775Y Purifier for full narcosis waste gas |
| 12/29/1999 | CN1239903A 催化金属板 Catalytic metal plate |
| 12/29/1999 | CN1239902A Device for separating from gas stream liquids and/or solid materials or gases having different specific weight |
| 12/29/1999 | CN1239742A Dry fume purifying system for self-roasting anodic aluminium electrolysis |
| 12/28/1999 | US6008198 Porphyrin metal complex-albumin inclusion compound and oxygen carrier composition comprising the same |
| 12/28/1999 | US6008155 Exhaust emission control catalyst and process for producing the same |
| 12/28/1999 | US6007915 Shaped packing element |
| 12/28/1999 | US6007783 Air pollution control system for removing at least sulfur dioxide and ammonia present in flue gas by countercurrent gas-liquid contact with an absorbing fluid |
| 12/28/1999 | US6007781 Air purifier comprising container, air blower, high efficiency particulate filter, and manganese-copper oxide/noble metal catalyst on high surface area support for ozone elimination at room temperature |
| 12/28/1999 | US6007727 Providing an acidic aqueous trialkylamine salt solution by-product of said process, adjusting the ph by adding a base to ph 8 or higher to free trialkylamine from the salt, interacting the freed trialkylamine with hydrogen peroxide |
| 12/28/1999 | US6007682 Amplifying low voltage pulses from corona discharge to generate high voltage pulses; establishing time-spaced high voltage resonant ac voltage waveforms; increasing the magnitudes to a saturation level and maintaining |
| 12/28/1999 | US6007681 Apparatus and method for treating exhaust gas and pulse generator used therefor |
| 12/28/1999 | US6007606 PSA process and system |
| 12/28/1999 | US6007604 Nozzle assembly for a scrubbing column |
| 12/28/1999 | US6007603 Controlling atmospheres in containers |
| 12/28/1999 | US6007331 Removal of sulfur oxides from preheater off gases |
| 12/28/1999 | US6007055 Gas and liquid contact apparatus |
| 12/28/1999 | US6006516 System for reduction of harmful exhaust emissions from diesel engines |
| 12/28/1999 | US6006515 Exhaust denitration device for diesel engine |
| 12/28/1999 | CA2124601C Hydrogen fractionation by adsorbent membranes |
| 12/28/1999 | CA2108698C Gas or liquid filtration, separation purification or catalytic transformation module |
| 12/28/1999 | CA2089397C A coating dispersion for exhaust gas catalysts |
| 12/28/1999 | CA2081030C Low pressure drop dry scrubber |
| 12/28/1999 | CA2002085C Process for the separation of carbon dioxide |
| 12/23/1999 | WO1999066185A1 METHOD FOR DESULPHATIZING AN NOx ACCUMULATOR CATALYTIC CONVERTER |
| 12/23/1999 | WO1999065583A1 Process for recovery of olefinically unsaturated nitriles |
| 12/23/1999 | WO1999051543A3 Dimensionally stable, cross-flow permeable fluid treatment element, especially a hot liquid filter element |
| 12/23/1999 | DE19927849A1 Production of highest purity water from supply mains using electrolysis and recombination |
| 12/23/1999 | DE19923431A1 Combustion engine containing catalytic reactor |
| 12/23/1999 | DE19828904A1 Plasma-supported conversion of nitrogen oxides in the purification of exhaust gas |
| 12/23/1999 | DE19827678A1 Waste gas purification system |
| 12/23/1999 | DE19827420A1 Controller managing fuel supply for exhaust system NOx storage unit regeneration, based on individual engine cycles |
| 12/23/1999 | DE19827195A1 Verfahren zur De-Sulfatierung eines NOx-Speicherkatalysators A method for desulfating an NO x storage catalytic converter |
| 12/23/1999 | DE19826684A1 Separation of oxygen from air for subsequent enrichment |
| 12/22/1999 | EP0965734A2 Control strategy for NOx-accumulator |
| 12/22/1999 | EP0965564A1 Carbon dioxide production system with integral vent gas condenser |
| 12/22/1999 | EP0965379A1 Method of processing desulfurization absorption liquid and apparatus therefor |
| 12/22/1999 | EP0964904A1 Olefin purification by adsorption of acetylenics and regeneration of adsorbent |
| 12/22/1999 | EP0964828A1 Tank ullage pressure control |
| 12/22/1999 | EP0964737A1 Hollow membranes with capillary tubes, modules for treating fluid using same and methods for making same |
| 12/22/1999 | EP0884960A4 Membranes of polyurethane based materials including polyester polyols |
| 12/22/1999 | EP0881934A4 Method of mixing greenhouse gas emissions from coastal thermal power stations |
| 12/22/1999 | EP0711202B1 Reactive membrane for filtration and purification of gases of impurities and method utilizing the same |
| 12/22/1999 | CN2354923Y Nitrogen plants with isolating sleeve style pressure varying adsorption carbon molecular sieves |
| 12/22/1999 | CN2354640Y Apparatus for eliminating sulfur dioxide in flue gas from boiler |
| 12/22/1999 | CN2354639Y Column for purifying exhaust gas of animal excrement drying furnace |