| 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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| 03/29/2000 | CN1248481A Low-temp. rectifying system with corona discharge pre-treating for material feeding |
| 03/29/2000 | CN1050816C Process for the purification of carbon dioxide |
| 03/29/2000 | CN1050772C Process for producing composite membranes |
| 03/29/2000 | CN1050771C Improved compside fluid separation membranes preparation process and application thereof |
| 03/29/2000 | CN1050769C Fluid separation assembly having integral purge control valve |
| 03/29/2000 | CN1050767C Variable-pressure adsorption for preparing high-purity nitrogen utilizing controlled internal flow |
| 03/28/2000 | US6043179 Zeolite CIT-5 and method of making |
| 03/28/2000 | US6042803 Method of reacting hydrogen sulfide to produce sulfur |
| 03/28/2000 | US6042797 Zeolite which contains silver and has a ferrierite structure with a specific silicon oxide:aluminum oxide molar ratio; desorbing peak temperature for ethylene of 320 degrees celcius |
| 03/28/2000 | US6042796 Process and apparatus for removing carbonyls and moisture from a gas |
| 03/28/2000 | US6042795 Methods and apparatus for treating waste gas streams from wood burning processes |
| 03/28/2000 | US6042727 Porous amorphous silica-alumina refractory oxides, their preparation and use as separation membranes |
| 03/28/2000 | US6042703 Combination of biasing electrodes and offset seals is particularly effective in eliminating anode seal failure |
| 03/28/2000 | US6042699 Passing feed air through electric field to ionize oxygen which reacts with hydrocarbons, adsorbing carbon dioxide and water vapor formed, separating air by cryogenic rectification |
| 03/28/2000 | US6042636 Method and apparatus of treating incinerator exhaust gas |
| 03/28/2000 | US6042090 Distributor device for a column |
| 03/28/2000 | US6041741 Multispecies rodent cage |
| 03/28/2000 | US6041594 Mixture delivery device for internal combustion engines |
| 03/28/2000 | US6041592 Control system and method for an NOx accumulator |
| 03/28/2000 | CA2145451C Process for producing composite membranes |
| 03/28/2000 | CA2114331C Removal of mercury and cadmium and their compounds from incinerator flue gases |
| 03/28/2000 | CA2106510C Architectural material using metal oxide exhibiting photocatalytic activity |
| 03/28/2000 | CA2066456C Absorbent material and uses thereof |
| 03/23/2000 | WO2000016425A1 Electrical current generation system |
| 03/23/2000 | WO2000015951A1 Method to reduce diesel engine exhaust emissions |
| 03/23/2000 | WO2000015734A1 Desulfurization process |
| 03/23/2000 | WO2000015691A1 Ion-exchange polymers |
| 03/23/2000 | WO2000015586A1 Field assisted transformation of chemical and material compositions |
| 03/23/2000 | WO2000015330A1 Gas storage carbon with enhanced thermal conductivity |
| 03/23/2000 | WO2000015324A1 Device containing ozone removing composition for attachment to heat exchange systems |
| 03/23/2000 | WO2000015323A1 Process for the removal of pollutants from flue gases |
| 03/23/2000 | WO2000015320A1 Vapour recovery system |
| 03/23/2000 | WO2000015067A1 Flexible membranes |
| 03/23/2000 | DE19843286A1 Thermally regenerable molecular sieve bed air dryer, for e.g. ozone sterilization units for swimming baths, comprises heater element for heating adsorber material during regeneration of alumino-silicate dryer |
| 03/23/2000 | DE19842771A1 Adsorption filter for removing pollutants from air streams has granular adsorbent on support adhered using a masked prepolymer isocyanate |
| 03/23/2000 | DE19842632A1 Physical-chemical air filter has insert comprising respiratory lime and/or lithium hydroxide |
| 03/23/2000 | DE19813722C1 Verfahren und Vorrichtung zur katalytischen Reduzierung von Stickoxiden im Abgas einer Verbrennungsanlage Method and apparatus for the catalytic reduction of nitrogen oxides in the exhaust gas of a combustion plant |
| 03/23/2000 | CA2344339A1 Desulfurization process |
| 03/22/2000 | EP0987614A1 Apparatus and method for controlling output of an oxygen concentrator |
| 03/22/2000 | EP0987048A1 Catalytic process for the decomposition of organic pollutants |
| 03/22/2000 | EP0987030A1 Deodorant composition, deodorizer and filter each containing the same, and method of deodorization |
| 03/22/2000 | EP0986720A1 Method for charging the combustion unit of a coal-fuelled power station |
| 03/22/2000 | EP0986697A1 PROCESS FOR REGENERATING AN NOx ACCUMULATOR CATALYTIC CONVERTER |
| 03/22/2000 | EP0986515A1 Method for preparing compositions containing essentially an absorbent anhydrous alkaline metal carbonate |
| 03/22/2000 | EP0986514A1 Acid gas solvent filtration system |
| 03/22/2000 | EP0986432A1 Method and system for selective removal of contamination from gas flows |
| 03/22/2000 | EP0986431A1 Method of separating and selectively removing hydrogen contaminant from hydrogen-containing process streams and compositions useful therefor |
| 03/22/2000 | EP0835365B1 Intumescent sheet material and paste with organic binder |
| 03/22/2000 | EP0804679B1 Catalyst |
| 03/22/2000 | EP0677142B1 Method and apparatus for treating an engine exhaust gas stream |
| 03/22/2000 | CN2369749Y Dust settling and desulfurating tower |
| 03/22/2000 | CN2369748Y Film type mixed gas component remover |
| 03/22/2000 | CN2369747Y Gas and liquid distributor in filling bed |
| 03/22/2000 | CN2369746Y Low concentrate organic waste gas adsorption or deadsorption device |
| 03/22/2000 | CN1248176A Method for preventing formation of sulfuric acid aerosols in flue gas cleaning plants |
| 03/22/2000 | CN1248175A Apparatus for removing contaminants from gaseous stream |
| 03/22/2000 | CN1248144A Apparatus casing with humidity pump |
| 03/22/2000 | CN1247768A Apparatus for removing impurity from air |
| 03/22/2000 | CN1050530C Catalyst carriers |
| 03/22/2000 | CN1050529C Wet-type flue gas desulfurization apparatus |
| 03/22/2000 | CN1050528C Method for the removal of carbon dioxide from combustion exhaust gas |
| 03/22/2000 | CN1050527C Process and apparatus for absorbing hydrogen sulphide |
| 03/22/2000 | CN1050526C Method for removing sulphur compounds from residual gas such as residual gas from claus process sulphur plant and recovering said compound as sulphur |
| 03/22/2000 | CN1050525C Single bed pressure swing adsorption system and process |
| 03/22/2000 | CN1050524C Device for adsorption separation of elements in gaseous mixture |
| 03/22/2000 | CN1050521C Liquid distributor for column |
| 03/21/2000 | US6041272 Gypsum and magnesium hydroxide, suppress the formation of calcium sulfite, |
| 03/21/2000 | US6041201 Apparatus for filtering solvent of liquid electrophotographic printer |
| 03/21/2000 | US6040266 Foam catalyst support for exhaust purification |
| 03/21/2000 | US6040265 Impregnating refractory oxide support with solutin of cerium acetate and zirconium acetate and depositing agent selected from sugars, polysaccarides, sachharides and polyol; drying and calcining to produce support with dispersed mixed oxide |
| 03/21/2000 | US6040258 Zeolite CIT-5 and method of making |
| 03/21/2000 | US6040064 Honeycomb body with thermal insulation, preferably for an exhaust gas catalytic converter |
| 03/21/2000 | US6039792 Methods of forming and using porous structures for energy efficient separation of light gases by capillary condensation |
| 03/21/2000 | US6039783 Process and equipment for nitrogen oxide waste conversion to fertilizer |
| 03/21/2000 | US6039780 Filter arrangement |
| 03/21/2000 | US6038854 Plasma regenerated particulate trap and NOx reduction system |
| 03/21/2000 | US6038853 Plasma-assisted catalytic storage reduction system |
| 03/21/2000 | CA2191591C Denox catalyst for reducing the nox concentration in a stream of fluid, and method of manufacturing the catalyst |
| 03/21/2000 | CA2107689C Method for removing sulphur compounds from water |
| 03/21/2000 | CA2024758C Shaped bodies of macroporous ion exchange resin and method of using same |
| 03/16/2000 | WO2000014464A1 Ambient air water extraction and supply apparatus and method |
| 03/16/2000 | WO2000014010A1 Air purification device |
| 03/16/2000 | WO2000014009A1 Electrochemical gas purifier |
| 03/16/2000 | WO2000013790A1 Ozone destroying compositions comprising manganese oxide |
| 03/16/2000 | WO2000013789A1 Ceramic catalyst for selectively decomposing n2o and a method for the production thereof |
| 03/16/2000 | WO2000013782A1 Fluid distributor-mixer-extractor and related method |
| 03/16/2000 | WO2000013781A1 Fluid distributing-collecting system and corresponding method |
| 03/16/2000 | WO2000013775A1 Exhaust emission control catalyst structure and device |
| 03/16/2000 | WO2000013774A1 Method for catalytically removing polycyclic, aromatic nitro, nitroso and/or amino compounds |
| 03/16/2000 | WO2000013773A1 Ozone destroying compositions of improved tolerance to sulfur poisoning |
| 03/16/2000 | WO2000013772A1 Catalyst composition for the decomposition of ozone |
| 03/16/2000 | WO2000013771A1 Process and apparatus for controlling ammonia slip in the reduction of sulfur dioxide emission |
| 03/16/2000 | WO2000013770A1 Process for controlling ammonia slip in the reduction of sulfur dioxide emission |
| 03/16/2000 | WO2000013769A1 Thermal decomposition furnace for exhaust gas |
| 03/16/2000 | WO2000013768A1 Supported glass membrane for gas separation |
| 03/16/2000 | WO2000013767A1 Fluid treatment elements, methods for cleaning fluid treatment elements and methods for treating fluids |
| 03/16/2000 | DE19941439A1 Diesel engine exhaust gas nitrogen oxide removal comprises exhaust gas oxygen content reduction, fuel injection into exhaust gas and controlled recycling of exhaust gas to intake manifold |
| 03/16/2000 | DE19856260C1 Reduction of polychlorinated dibenzodioxin and dibenzofuran content in waste gas from sintering plant by adding adsorbent comprises agglomeration of adsorbent and dust from filter before recycling |
| 03/16/2000 | DE19841814A1 Breakthrough control on a gaseous adsorber comprises sensor array of semiconductor probes with sensitivity specific to a controlled species |
| 03/16/2000 | DE19841740A1 Keramischer Katalysator zur selektiven Zersetzung von N2O und Verfahren zu dessen Herstellung Ceramic catalyst for selective decomposition of N2O and process for its preparation |