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)
11/2000
11/02/2000DE19919623A1 Process and assembly to physically condition air within enclosed spaces frequented by persons minimizes the probability of cross-infection
11/02/2000DE19918899A1 Continual process to regulate and control the composition mixture of processed food and drink by determining the sum or individual concentration levels
11/02/2000DE19918876A1 Katalytischer Konverter Catalytic Converter
11/02/2000DE19918218C1 Absorbing gases, especially chlorine and other toxic materials, in pressure-tight containers with gas-absorbing material, comprises first establishing reduced pressure inside container and then sucking gas into it
11/02/2000CA2372232A1 Material and method for treating gaseous media containing volatile organic compounds
11/02/2000CA2371276A1 Composition usable as nox trap, based on manganese and an alkaline-earth or a rare earth and use in the treatment of exhaust gases
11/01/2000CN2404010Y Desulfuring dust-cleaning apparatus
11/01/2000CN2403491Y Zero heat regeneration dryer
11/01/2000CN2403490Y Underground explosion-proof nitrogen generator
11/01/2000CN2403489Y Dust control desulfurizing purifying apparatus for smoke dust gas of boiler
11/01/2000CN2403488Y Efficient desulfurizing dust control apparatus mating with boiler
11/01/2000CN2403486Y Spiral-flow water washing dust-removing and desulfurizing apparatus
11/01/2000CN2403477Y Liquid dispenser using for packed column and reactor
11/01/2000CN1272161A Honeycomb body structure with supporting sections
11/01/2000CN1272102A Method of reducing NOx
11/01/2000CN1271806A Waste gas treatment equipment
11/01/2000CN1271618A 高性能催化剂 High-performance catalysts
10/2000
10/31/2000US6139813 Bringing exhaust gas from said lean-burn engine in contact with a metal-zirconium oxide material made by sol-gel techniques which includes at least 0.1 wt. % precious metal selected from platinum, palladium, rhodium
10/31/2000US6139808 Catalyst for exhaust gas purification and system for exhaust gas purification
10/31/2000US6139807 Apparatus for removing SO2 from flue gases and for producing ammonium sulfate solution
10/31/2000US6139806 Vacuum eductor connected to an arrangement of waste and reagent containers for gas/liquid hazardous waste treament; simple, fail-safe
10/31/2000US6139803 Room having walls coated with photocatalytic semiconductor thin film which when irradiated with ultraviolet portion of ambient room lighting effects photodegradation of airborne bacteria or odorous substances that contact the coating
10/31/2000US6139739 Composite filter element
10/31/2000US6139694 Method and apparatus utilizing ethanol in non-thermal plasma treatment of effluent gas
10/31/2000US6139609 Container of a drying system containing adsorption medium
10/31/2000US6139605 Gas absorption
10/31/2000US6139604 Thermally powered oxygen/nitrogen plant incorporating an oxygen selective ion transport membrane
10/31/2000US6138470 Portable liquid desiccant dehumidifier
10/31/2000US6138454 Selective catalyst reduction wit pox reactor for engine exhaust aftertreatment
10/31/2000US6138453 Exhaust gas purification device for an internal combustion engine
10/31/2000US6138378 Wet gas processing method and the apparatus using the same
10/31/2000CA2199317C Improved vacuum pressure swing adsorption process
10/31/2000CA2198789C Large capacity vacuum pressure swing adsorption process and system
10/31/2000CA2192014C Reactive purge for solid electrolyte membrane gas separation
10/31/2000CA2116116C Semi-permeable gas separation membranes having non-ionic surfactants disposed on a membrane surface or within membrane structure and processes for making and using the same
10/31/2000CA2086607C Rotary adsorption assembly
10/31/2000CA2021236C Recovery of carbon dioxide from a carbon dioxide plant vent gas using membranes
10/30/2000CA2307271A1 Two stage process and catalyst for photocatalytic conversion of contaminants
10/28/2000CA2306066A1 Air desiccant canister
10/28/2000CA2305993A1 Air desiccant canister
10/26/2000WO2000062923A1 Catalyst composition comprising ceria and a platinum group metal
10/26/2000WO2000062921A1 Adsorbent for gaseous chemical substance and apparatus for adsorbing and removing using the same
10/26/2000WO2000062907A1 Device for treating a motor vehicle engine exhaust gases
10/26/2000WO2000062906A1 Method and device for exhaust gas cleaning
10/26/2000WO2000062905A1 Advanced apparatus and method for abattment of gaseous pollutants
10/26/2000WO2000062904A1 Ioniser for effluent gas
10/26/2000WO2000062903A1 Organic acid scrubber & methods
10/26/2000WO2000062885A2 Method for preparing carbon membranes for separating gases
10/26/2000DE19952092C1 Activated carbon filter for reducing the vapor emissions from a fuel supply system has connections for fresh air and for the fuel supply
10/26/2000DE19924861C1 Honeycomb structure with channels is produced by forming a primary, plastically deformable material layer, allowing it to harden and then applying an electrically conducting material
10/26/2000DE19917977A1 Adsorption of carbon disulfide from effluent gases using a hydrophobic zeolite as adsorbent
10/26/2000DE19905645C1 Filteraufsatz zur Vakuumfiltration Filter attachment for vacuum filtration
10/26/2000DE19741199C2 Statischer Mischer Static mixer
10/26/2000DE10011612A1 Emissionsregelvorrichtung für einen Verbrennungsmotor Emission control device for an internal combustion engine
10/25/2000EP1046423A2 Layered noble metal-containing exhaust gas catalyst and its preparation
10/25/2000EP1046422A2 Adsorbents and adsorptive separation process
10/25/2000EP1046418A1 PSA process using an adsorbent which has an intrinsic resistance that is favourable to the adsorption kinetics
10/25/2000EP1046014A2 Liquid desiccant dehumidifier and air conditioner
10/25/2000EP1045729A1 Thermally durable, low h 2?s three way catalysts
10/25/2000EP1045728A2 Modular pressure swing adsorption apparatus
10/25/2000EP1025603A4 Carbon monoxide removal method based on a regenerable co scavenger
10/25/2000CN2402387Y High-efficiency desulfurizing dust removal device
10/25/2000CN2402386Y Smoke-discharging dust-eliminating device
10/25/2000CN2402385Y Three-stage baffle narrow trough type liquid distributor
10/25/2000CN2402384Y Wet full-swirling flue gas purifying device
10/25/2000CN2402382Y Compounded wet desulfurizing dust-collector
10/25/2000CN1271300A Packing brick for exchange column
10/25/2000CN1271298A Process for preparation of fertilizers and sulfure compounds
10/25/2000CN1270850A Physical and chemical vacuum dust and smoke cleaner
10/25/2000CN1270849A Fume purifier
10/25/2000CN1057712C Magnesium-enhanced sulfur dioxide scrubbing with gypsum formation
10/24/2000US6136749 Mercury removal catalyst and method of making and using same
10/24/2000US6136450 Honeycomb body, in particular a catalytic converter carrier body, with a reinforced wall structure
10/24/2000US6136373 Method for coating reactive metal alloy powders and their use in decomposing and immobilizing organic compounds
10/24/2000US6136284 Process for the removal of nitrogen oxides from gas streams
10/24/2000US6136283 Contacting gas stream and ammonia in reaction zone containing catalyst which effects reaction of nox with ammonia to produce product gas containing nitrogen and water vapor, the improvement comprising continuously recycling portion of
10/24/2000US6136282 Method for removal of hydrogen sulfide from gaseous streams
10/24/2000US6136281 Oxidation to mercuric chloride, scrubbing
10/24/2000US6136222 Liquid absorbent solutions for separating nitrogen from natural gas
10/24/2000US6136203 System and method for photocatalytic treatment of contaminated media
10/24/2000US6136186 Air and water pollution control apparatus comprising flat photochemical cell through which polluted fluid and oxidant flow to be irradiated through transparent surface by adjacent ultraviolet light source
10/24/2000US6136158 Reacting corona activated nitrogen oxides with triatomic nitrogen as activation energy relaxing species to form diatomic nitrogen and oxygen; by-product reduction
10/24/2000US6136144 Converting lime mud in the calcinator into quick lime by heating packed bed, preheating the packed bed, feeding process gas to packed bed, oxidizing volatile organics, form gaseous product with sulfur di and trioxide, finally sulfur
10/24/2000US6136075 Comprising a carbon-filled foam which adds adsorptive performance to the canister without having to enlarge the canister or having to change the carbon in the canister to a higher performance carbon
10/24/2000US6136073 Boreside feed modules with permeate flow channels
10/24/2000US6136072 Apparatus and method for the removal of contaminants in gases
10/24/2000US6136071 Process for the recovery of volatile low molecular compounds
10/24/2000US6136070 Gas refining method using a pressure swing adsorption method
10/24/2000US6136069 Separating a more strongly adsorbable component from one or more less strongly adsorbable components in a gaseous mixture
10/24/2000US6136063 Process for separating hazardous metals from waste materials during vitrification
10/24/2000US6136057 Ventilation and filtering system for vehicles
10/24/2000US6135460 Method of and apparatus for purifying reduced pressure process chambers
10/24/2000US6135371 Method and apparatus for reducing acid and air toxic emissions in the combustion of comminuted solid particles
10/24/2000US6134945 Method for applying samples to be analyzed by gas chromatography and sampling tube
10/24/2000US6134914 Condensing and solidifying a xenon component of a gas mixture (o2) on a cooling surface which is below the melting point and at a pressure of 0.6-150 bars; removing the noncondensed gases; liquefying the solid xenon by heating; recirculating
10/24/2000US6134910 Absorption refrigerator
10/24/2000US6134903 Portable liquid desiccant dehumidifier
10/24/2000US6134883 Method of controlling an engine exhaust gas system and method of detecting deterioration of catalyst/adsorbing means
10/24/2000US6134882 Regulating strategy for an NOx trap
10/24/2000CA2119198C Method of improving the selectivity of carbon membranes by chemical carbon vapor deposition