| 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) |
|---|
| 05/06/1999 | WO1999021640A1 Composite materials for membrane reactors |
| 05/06/1999 | WO1999021639A1 Pressure swing adsorption process for separation of gas |
| 05/06/1999 | WO1999010081A3 Base metal catalyst for small-size motors |
| 05/06/1999 | EP0913559A2 Process for operating a multi-cylinder internal combustion engine |
| 05/06/1999 | EP0913558A2 Exhaust gas purification apparatus for an internal-combustion engine |
| 05/06/1999 | EP0913185A1 Exhaust gas denitration method |
| 05/06/1999 | EP0913184A1 Elevated temperature adsorption process |
| 05/06/1999 | EP0912862A1 Cremation method |
| 05/06/1999 | EP0912241A1 A manufacturing method of complex molecular sieve compound |
| 05/06/1999 | EP0912232A1 Three-way conversion catalysts and methods for the preparation therefor |
| 05/06/1999 | EP0912231A1 Oxidation catalyst |
| 05/06/1999 | EP0912230A1 Process for treating waste gases produced in an organic waste incineration plant |
| 05/06/1999 | EP0881933A4 Improved purging electrostatic gun for charging dry sorbent into polluted streams |
| 05/06/1999 | EP0832039B1 Method and device for processing a hydrogen sulphide-containing gas, comprising a cooling step for crystallised sulphur removal |
| 05/06/1999 | EP0715545B1 Filter material and a method of removing nitrogen oxides from gases and liquids |
| 05/06/1999 | DE19849928A1 Adsorption agent for removal of nitrogen oxides from road tunnels and underground garages |
| 05/06/1999 | DE19848578A1 Sensor fitted to a vehicle exhaust |
| 05/06/1999 | DE19841388A1 Preparation of ultra-pure air |
| 05/06/1999 | DE19749963A1 Recovery of anesthetic gas |
| 05/06/1999 | DE19748477A1 Recovery of sulfuric acid contaminated with organic material |
| 05/06/1999 | CA2308704A1 Process for the purification of an alkanolamine |
| 05/06/1999 | CA2308596A1 Hollow fiber contactor and process |
| 05/05/1999 | CN1216087A Heat-resistant and regenerable filter body with flow paths |
| 05/05/1999 | CN1215818A Exhaust heat recovery boiler |
| 05/05/1999 | CN1215629A Chemical cleaner for automobile tail gas |
| 05/05/1999 | CN1215628A Process for removing and recovery of sulfur dioxide from waste gas |
| 05/05/1999 | CN1215627A Pressure swing adsorption process for separating carbon monooxide from carbon monooxide contg. mixed gas |
| 05/05/1999 | CN1215626A Pressure swing adsorption process for separating carbon monooxide from carbon monooxide contg. mixed gas |
| 05/05/1999 | CN1215625A Pressure swing adsorption process for extracting carbon monooxide as fuel from blast furnace waste gas |
| 05/05/1999 | CN1215624A Multi-bed vacuum pressure swing adsorption process for extracting hydrogen from hydrogen-contg. mixed gas |
| 05/05/1999 | CN1215623A Compact high-efficiency low-energy consumption magnetic gas separating apparatus and its use |
| 05/04/1999 | US5900532 Method of removing siloxanes from silicon compound gases and apparatus therefor |
| 05/04/1999 | US5900222 Denitrification in presence of reducing agent |
| 05/04/1999 | US5900217 Efficient combustion chamber with mixing burner joined to cover and supply nozzles for combustion gas, waste gases, air or oxygen, also having scrubbing space supplied with absorbents, reaction products and oxidizing agents |
| 05/04/1999 | US5900216 Venturi reactor and scrubber with suckback prevention |
| 05/04/1999 | US5900042 Treating gaseous emissions with aqueous oxidizing solutions to form soluble mercury compounds, then scrubbing with aqueous solution to remove compounds |
| 05/04/1999 | US5899678 Oxidation and/or combustion catalyst for use in a catalytic exhaust system and process for its preparation |
| 05/04/1999 | US5899231 Automatic three-way valve |
| 05/04/1999 | US5899187 Engine arrangement |
| 05/04/1999 | CA2252700A1 Vacuum pressure swing adsorption system and method |
| 05/04/1999 | CA2149835C Process for the purification of nitric oxide |
| 05/04/1999 | CA2065549C Continuous autocirculation, multiple zone mass transfer apparatus and method |
| 05/04/1999 | CA2062694C High-aluminum-containing ferritic stainless steel having improved high-temperature oxidation resistance |
| 05/04/1999 | CA2042884C Distributor for packed tower |
| 05/04/1999 | CA2022935C Catalyst for removal of nitrogen oxides and method for removal of nitrogen oxides by use of the catalyst |
| 04/29/1999 | WO1999020876A1 METHOD AND DEVICE FOR CONTROLLING THE TEMPERATURE RANGE OF AN NOx ACCUMULATOR IN THE EXHAUST SYSTEM OF A COMBUSTION ENGINE |
| 04/29/1999 | WO1999020591A1 Preparation of ethylene by gas permeation |
| 04/29/1999 | WO1999020582A1 System and method of producing pure elements from parent compounds |
| 04/29/1999 | WO1999020397A1 Apparatus for the compact magnetic separation of air with low energy consumption and high efficiency as well as its application |
| 04/29/1999 | WO1999020391A1 Metal honeycomb structure |
| 04/29/1999 | WO1999020375A1 A method of purifying waste gases, and a gas burner |
| 04/29/1999 | WO1999020374A1 Method and apparatus for processing exhaust gas of semiconductor fabrication |
| 04/29/1999 | WO1999020373A1 Device for plasma processing of gases |
| 04/29/1999 | WO1999020372A1 A wicking fiber with solid particulates for a high surface area odor removing filter |
| 04/29/1999 | WO1999020371A1 A scrubber for the treatment of flue gases |
| 04/29/1999 | WO1999000184A3 Device for carrying out gas reactions, use of the device and process for operating the device |
| 04/29/1999 | DE19848700A1 Purifying exhaust gases from e.g. combustion engines |
| 04/29/1999 | DE19746855A1 Operation of lean-burn fuel-injected diesel and petrol engines |
| 04/29/1999 | DE19746814A1 Air pump for vehicular afterburning exhaust purification system |
| 04/29/1999 | DE19746658A1 Temperature control of nitrogen oxides storage catalyst used with diesel- and lean burn engines |
| 04/28/1999 | EP0911499A2 Exhaust gas purifying device for engine |
| 04/28/1999 | EP0911498A2 Combustion engine system comprising a nitrogen oxide storage catalytic converter and operating process therefor |
| 04/28/1999 | EP0911075A1 Reactor with annular bed |
| 04/28/1999 | EP0911074A1 Ultraporous and microporous membranes and method of making membranes |
| 04/28/1999 | EP0911072A2 Method and apparatus for reducing emissions of NOx |
| 04/28/1999 | EP0910730A1 Process and device for operating an internal combustion engine with less pollutant emissions |
| 04/28/1999 | EP0910545A1 Process for the recovery of sulfur from so 2? containing gases |
| 04/28/1999 | EP0910472A1 Method of cleaning and/or regenerating wholly or partially de-activated catalysts for stack-gas nitrogen scrubbing |
| 04/28/1999 | EP0910459A1 Fume purification method and device |
| 04/28/1999 | EP0910458A1 A continuous gas molecule capturing and removal system |
| 04/28/1999 | EP0910457A1 Method for the adsorptive separation of air |
| 04/28/1999 | EP0789789A4 Electrochemical device for removal and regeneration of oxygen and method |
| 04/28/1999 | EP0712463B1 Virtual emissions monitor for automobile |
| 04/28/1999 | EP0684873B1 Catalyst for the purification of gasoline engine exhaust gases and method for the preparation of the same |
| 04/28/1999 | CN2316310Y Counter-current extraction tower for supercritical carbon dioxide extraction vitamine E |
| 04/28/1999 | CN2316022Y Spray type flue gas desulfurization equipment |
| 04/28/1999 | CN2316021Y Pressing ring type liquid line distributor |
| 04/28/1999 | CN1215381A Oxygen scavenging metal-loaded ion-exchange compositions |
| 04/28/1999 | CN1215349A Device for discharging and distributing an absorbent in a flue gas duct |
| 04/28/1999 | CN1214963A Carrier carried catalyst, its preparation process and use |
| 04/28/1999 | CN1214960A Type A granular lithium zeolite, its preparation process and usage |
| 04/28/1999 | CN1214954A Middle temp. dry type circulating fluidized bed fume desulfurizing method and device |
| 04/28/1999 | CN1214953A 废气脱硫装置 Exhaust gas desulfurization apparatus |
| 04/28/1999 | CN1214952A Gas-liquid contanct equipment adopting fibre reinforced plastic composite board and making method thereof |
| 04/28/1999 | CN1214951A 220-1040 tonnage power plant boiler wet method fume desulfurizing tower installation and matched processing technology thereof |
| 04/28/1999 | CN1043128C Simple dry desulfurizating apparatus |
| 04/27/1999 | US5898015 Complex oxide having tunnel structure formed by octahedra at least comprising aluminum, tin and oxygen |
| 04/27/1999 | US5898014 Catalyst composition containing oxygen storage components |
| 04/27/1999 | US5897970 System for production of high-purity hydrogen, process for production of high-purity hydrogen, and fuel cell system |
| 04/27/1999 | US5897915 Coated substrates, method for producing same, and use therefor |
| 04/27/1999 | US5897850 Two catalysis steps, recovering the sulfur through an incline tube or plate heat exchanger having a wall temperature below the solidification point of sulfur and above the dew point of water, removing the sulfur deposits with the aid of gravity |
| 04/27/1999 | US5897846 Catalytic converter having a catalyst with noble metal on molecular sieve crystal surface and method of treating diesel engine exhaust gas with same |
| 04/27/1999 | US5897845 Absorbents |
| 04/27/1999 | US5897843 Exhaust gas purifier |
| 04/27/1999 | US5897702 Removal of sulfur oxides from preheater off gases |
| 04/27/1999 | US5897691 Telescoping canister for containing filter material |
| 04/27/1999 | US5897690 Air pollution control; efficiency |
| 04/27/1999 | US5897688 Absorption of vapor phase metal onto fine particles composed of meta-kaolin absorber/calcium compound scavenger mixture formed by thermal decomposition of papermaking wastes |
| 04/27/1999 | US5897687 Ammonia adsorption apparatus |
| 04/27/1999 | US5897686 Synthesis gas drying and CO2 removal |