Patents
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)
11/1998
11/04/1998EP0875276A2 Process for reducing the cloride compounds from cement clinker firing apparatuses
11/04/1998EP0874681A1 Smoke gas purification device
11/04/1998EP0874680A1 Plasma oxidation of an exhaust gas stream from chlorinating titanium-containing material
11/04/1998EP0874679A1 Method and apparatus for removal of hazardous gases from enclosed structures
11/04/1998EP0874678A1 Method for the oxidation of liquid or solid pollutants in gas streams
11/04/1998EP0826097B1 Pre-mixing chamber for an exhaust gas cleaning unit
11/04/1998EP0743875B1 Environmentally friendly flue gas purification process and system
11/04/1998CN2296232Y Gas soil removing device
11/04/1998CN1198110A On-site ammonia purification for semiconductor manufacture
11/04/1998CN1198103A Method and plant for treating gas mixture by pressure-swing adsorption
11/04/1998CN1197763A Carbon dioxide eliminating technology used in ammonia synthesis and hydrogen production processes
11/04/1998CN1197686A Exhaus gas purification catalyst with improved hydrocarbon conversion
11/04/1998CN1197684A System for energy recovery in vacuum pressure swing adsorption apparatus
11/04/1998CN1197683A Anti-corrosion method for absorption stabilizer in catalytic cracker
11/03/1998US5830423 Waste gas treatment system
11/03/1998US5830422 Continuous processing
11/03/1998US5830421 Metal oxide doped with sodium and palladium or platinum
11/03/1998US5830414 Alkali metal hydroxide or carbonate, asid aluminum phosphate or phosphoric acid, active manganese dioxide
11/03/1998US5830357 Process for cleaning a waste water stream or the like
11/03/1998US5830346 Nox reduction
11/03/1998US5830328 Increased absorption of microwave radiation for elimination of contaminants in a carrier gas by exposure to plasma
11/03/1998US5830260 Cooling; membrane filtration
11/03/1998US5829272 Process and installation for the separation of air by permeation, for the production of nitrogen
11/03/1998US5829250 Series combination catalytic converter
11/03/1998US5829139 For removing homogenous/heterogeneous impurities from a fluid
11/03/1998CA2105038C Catalysts for treating exhaust gases from internal combustion and stationary source engines
11/03/1998CA2044893C Transition metal-containing zeolite having high hydrothermal stability, production method thereof and method of using same
11/02/1998CA2232484A1 Air desiccant canister for an air brake system
10/1998
10/29/1998WO1998048168A2 In situ getter pump system and method
10/29/1998WO1998048153A1 Exhaust emission control system for internal combustion engines
10/29/1998WO1998047825A1 Process for reducing the sulfide content of a sulfide-containing fluid
10/29/1998WO1998047818A1 Nitrate reduction
10/29/1998WO1998047813A1 Method for eliminating h2s, so2, cos and/or cs2 sulphur compounds, contained in a sulphur factory waste gas with recuperation of said compounds in the form of sulphur
10/29/1998WO1998047605A1 Exhaust gas purification method and exhaust gas purification catalyst
10/29/1998WO1998047604A2 Heat recovery and pollution abatement device
10/29/1998WO1998047603A1 Purification arrangement
10/29/1998WO1998047602A1 Method for regenerating a loaded wash liquid from a gas desulfurization facility
10/29/1998WO1998047594A2 Use of aerogels as adsorption agents
10/29/1998DE19750226C1 Diesel engine management system controlling breathing and injection timing in rich and weak running
10/29/1998DE19717798A1 Removing mercury and/or compounds from gas
10/29/1998DE19717771A1 Removing nitrogen oxide(s) from waste gases in cement manufacture
10/29/1998DE19717623A1 Compressed air discharge through water capture tank
10/29/1998DE19717160A1 Removal of toxic gaseous components in vehicle exhausts
10/29/1998CA2330138A1 Heat recovery and pollution abatement device
10/29/1998CA2289280A1 Use of aerogels as adsorption agents
10/29/1998CA2287273A1 Purification arrangement
10/29/1998CA2286853A1 Nitrate reduction
10/29/1998CA2237123A1 Compressed air treatment system for medical use
10/28/1998EP0873967A2 Method of and apparatus for removing carbon monoxide from gaseous media
10/28/1998EP0873778A2 Cleaning process for harmful gas
10/28/1998EP0873777A2 Flue gas treating system and process
10/28/1998EP0873776A2 Pressure swing adsorption process and apparatus
10/28/1998EP0808435A4 Single handle mixing valve with an improved ball valve
10/28/1998EP0788403B1 Purification process
10/28/1998EP0778918B1 Catalytic reactor
10/28/1998EP0752908A4 Canister with porous plastic ends
10/28/1998CN2295916Y Vertical desulfurizing dust collector
10/28/1998CN2295524Y Carbinet style air purifier
10/28/1998CN2295523Y Dust collecting and desulfurizing apparatus by wet process
10/28/1998CN2295337Y Portable nicotine filtering and absorbing device
10/28/1998CN1197412A Gas treatment cylinder
10/28/1998CN1196971A Sweetening agent and its prepn. method
10/28/1998CN1196970A Dusting unit and its operation method
10/27/1998US5828582 Automatic control of endothermic gas generators using low cost oxygen sensing probes
10/27/1998US5827569 Filling porous ceramic membrane with vaporized source of silica, thermally decomposing to deposit in pores and coat outer surface of membrane; selective permeability
10/27/1998US5827496 Alternately exposing reducing gas and oxygen containing gas to combustion catalyst(which can be oxidized or reduced as needed) and fuel to generate heat which is absorbed by a heat exchanger in contact with catalyst, speed, efficiency
10/27/1998US5827492 Hydrogen chloride purification process
10/27/1998US5827490 Method for converting urea to ammonia
10/27/1998US5827489 V/Mo/W catalysts for the selective reduction of nitrogen oxides
10/27/1998US5827488 Exhaust gas purification by wet scrubbing
10/27/1998US5827485 Contains basket that is expandable in axial direction yet rigidily connected to reactor shell
10/27/1998US5827484 Process and apparatus for separating polycyclic and polyhalogenated hydrocarbons from exhaust gas of a sintering process
10/27/1998US5827424 A thermoelectric heat exchanger for condensing volatiles and a getter material of microporous getter metal to absorb and hold them
10/27/1998US5827407 Air filtration and cleaning treatment by electrical generating ozone to oxidize and destroy the germs
10/27/1998US5827359 Accumulator desiccant bag
10/27/1998US5827358 Rapid cycle pressure swing adsorption oxygen concentration method and apparatus
10/27/1998US5827356 Continuous process for recovery of acetylene-free gaseous mixture
10/27/1998US5827355 Adsorption of gaseous pollutants onto rigid, permeable, monolithic, activated carbon fiber composite having high surface area; desorption with low voltage current
10/27/1998US5827354 Container for carbon molecular-sieve material
10/27/1998US5827352 Method for removing mercury from a gas stream and apparatus for same
10/27/1998US5827351 Air separation system and method
10/27/1998US5826434 High efficiency outdoor air conditioning system
10/27/1998US5826427 Compression ignition type engine
10/27/1998CA2148315C Wet scrubber inlet awning with low pressure drop
10/27/1998CA2076824C Process for removing aldehydes and/or vinyl esters from gaseous or liquid process streams
10/27/1998CA2043491C Air separation pressure swing adsorption process
10/22/1998WO1998046868A1 Heating of a storage trap
10/22/1998WO1998046867A1 Method for reducing emissions from a diesel engine
10/22/1998WO1998046863A1 Pressurized fluidized-bed combined-cycle electric generating system
10/22/1998WO1998046336A1 Process for decomposing halogenated hydrocarbons with a catalyst, its production and installation for carrying out the process
10/22/1998WO1998046335A1 Photocatalytic reactor and method for destruction of organic air-borne pollutants
10/22/1998WO1998046334A1 Method for removing nitrogen oxides in exhaust gas
10/22/1998WO1998046333A1 Device for filtering and separating liquid and gaseous media and/or drying gaseous media
10/22/1998WO1998046332A1 Vapor recovery system with continuous inlet monitoring
10/22/1998WO1998046331A1 Desiccant container
10/22/1998DE19814106A1 New perovskite-type solid electrolyte
10/22/1998DE19811061A1 Preventing dioxins emissions from waste incineration plant
10/22/1998DE19716372A1 Adsorption from gas or liquid phase using aerogel adsorbents
10/22/1998DE19716310A1 Verfahren zum Regenerieren einer beladenen Waschflüssigkeit, die aus einer Anlage zur Entschwefelung eines Wasserstoff und Kohlenoxide enthaltenden Gasgemisches kommt Process for regenerating a loaded washing liquid containing gas mixture from a plant for the desulfurization of a hydrogen and carbon oxides is
10/22/1998DE19715981A1 Recovery of platinum-metal compounds from catalysts with carriers