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)
08/2003
08/05/2003US6602325 Separators comprising permselective membranes and wire mesh supports having intermetallic diffusion barrier coatings, used for recovering hydrogen from air mixtures
08/05/2003US6602324 Sulfur control in ion-conducting membrane systems
08/05/2003US6602323 Exhausting perfluoro compounds (PFC's) produced by etching and/or vapor deposition into a common stream then scrubbing
08/05/2003US6601402 Enthalpy wheel
08/05/2003US6601385 Impactor for selective catalytic reduction system
08/05/2003US6601381 Process for operating an exhaust gas treatment device for a gasoline engine
08/05/2003CA2226748C Eutectic drying composition and method
07/2003
07/31/2003WO2003063276A2 High temperature fuel cell power plant
07/31/2003WO2003062177A1 Removal of sulphur compounds from low molecular weight hydrocarbons
07/31/2003WO2003061828A1 Photocatalytic composite material and method for preparation thereof
07/31/2003WO2003061821A1 Cu/co spinel containing exhaust gas catalyst and method of its preparation
07/31/2003WO2003061820A2 Process for production of molecular sieve adsorbent blends
07/31/2003WO2003061812A2 Polyolefin membrane with an integrally asymmetric structure and method for the production thereof
07/31/2003WO2003061810A1 Mass-transfer device
07/31/2003WO2003061809A1 Process for removing sulfur compounds by absorption
07/31/2003WO2003035219A3 Adsorption element and methods
07/31/2003WO2003000389B1 Membrane-assisted fluid separation apparatus and method
07/31/2003WO2002058818A3 Selective removal of nitrogen from natural gas by pressure swing adsorption
07/31/2003US20030144144 For efficient dcomposition and purification of the NOx(nitrogen oxides) in an exhaust gas in an oxygen-excess atmosphere; resistance to heat and in durability in a high temperature range
07/31/2003US20030144143 Ruthenium stabilization for improved oxidation/reduction catalyst systems
07/31/2003US20030144142 Contacting nitrous oxide(N2O)-containg waste gas leaving the absorption column with a catalyst which comprises oxidic cobalt compound and at least one oxidic magnesium compound for conversion of N2O to gaseous nitrogen and oxygen
07/31/2003US20030144140 Efficiency, simplification
07/31/2003US20030144132 Durability; performance
07/31/2003US20030143448 High temperature fuel cell power plant
07/31/2003US20030143445 internal combustion engine exhaust emission reduction system; hydrogen generator is autothermal reformer or catalytic or noncatalytic partial oxidizer; reforming, vaporization, heat exchanging, humidifying, applying reformate to catalytic converter
07/31/2003US20030143442 Improvement comprises an oxidant reduction catalyst layer of platinum-chromium alloy catalyst that includes a perfluorinated ion exchange polymer, the catalyst having reduced catalytic activity for methanol reaction at said cathode
07/31/2003US20030143437 Having antibacterial action, anti-pollution, air purification, ultra high hydrophilicity and the like on a substrate
07/31/2003US20030143370 Porous honeycomb structure body, the use thereof and method for manufacturing the same
07/31/2003US20030143182 Deodorizing a odoriferous aqueous system containing odor causing organic acids and/or amine by adding sulfonate free, anionic kraft pine lignin
07/31/2003US20030143143 Process for treating wastes from acrylic acid and polyacrylic acid production processes
07/31/2003US20030143142 Residual gas leaving the absorption column is passed, prior to entry into the residual gas turbine, through a stage of reducing the NOx content by catalytic reduction, and second stage reducing the N2O content of the gas by decomposition
07/31/2003US20030143141 For reducing the content nitrogen oxides in gases and waste gases; simplification, efficiency
07/31/2003US20030143140 Feeding gas stream through an aqueous scrubber; feeding to reaction zone and contacting with ozone, thereby converting nitrogen oxides to N2O5 and mercury to mercuric oxide; feeding to acidic scrubber; feeding to alkaline scrubber
07/31/2003US20030143133 Air cleaning apparatus
07/31/2003US20030143129 Flowing air through a first adsorption column whereby air is semi-purified; flowing through an oxygen catalyst, whereby hydrocarbons carbon monoxide are converted to carbon dioxide and water; flowing through second adsorption column
07/31/2003US20030143128 Process and system to reduce mercury emission
07/31/2003US20030143125 Apparatus for removing sterilant from a sterilant containing atmosphere
07/31/2003US20030141243 Anaerobic chemical reactors; gas stripping
07/31/2003US20030141223 Method for neutralising a stream of hydrocarbon fluid
07/31/2003US20030141202 Alkaline electrolyte solution; circulation; decomposition oxidation; water treatment by electrolysis; water pollution control
07/31/2003US20030141180 Applying high voltage electrical discharges
07/31/2003US20030140793 Molded core filter drier with filter media molded to core
07/31/2003US20030140792 Molded core filter drier with filter media molded to core for use in heat pump systems
07/31/2003US20030140791 Molded core filter drier
07/31/2003US20030140789 Molecular sieve dispersed in polymer; separating gas, liquid mixture
07/31/2003US20030140786 Exhaust heat utilization method for carbon dioxide recovery process
07/31/2003US20030140649 Refrigeration cycle apparatus
07/31/2003US20030140622 Combination emission abatement assembly and method of operating the same
07/31/2003US20030140621 Integrated method for controlling diesel engine emissions in CRT-LNT system
07/31/2003US20030140620 Method of treating diesel exhaust gases
07/31/2003US20030140619 Method of controlling the concentration of nitrogen oxides, hydrocarbons and carbon monoxide in conjunction with the cleansing of emission gases
07/31/2003US20030140616 Purification of exhaust gases
07/31/2003US20030140608 Shockproof, heat resistance; air pollution control
07/31/2003US20030140607 Air tank and method and apparatus for filling
07/31/2003DE10158804C1 Verfahren und Vorrichtung zur Reinigung von Faulgasen Method and apparatus for the purification of sewage gas
07/31/2003CA2471587A1 High temperature fuel cell power plant
07/30/2003EP1331373A2 Reductant supply system
07/30/2003EP1331371A1 Exhaust emission control device of internal combustion engine
07/30/2003EP1330598A1 Exhaust treatment unit with a catalyst arrangement and method for the treatment of exhaust gases
07/30/2003EP1330302A1 Exhaust gas cleaning system with a catalyst arrangement and method for cleaning exhaust gases
07/30/2003EP1330297A1 Column for counter-currently contacting vapour and liquid
07/30/2003EP1311821A4 Device and method for pneumatic gas sampling for gas sensors
07/30/2003EP1115472B1 A process for the recovery of sulphur from a hydrogen sulphide, containing gas
07/30/2003EP1003603B1 Removal of contaminants from gas streams in rayon production
07/30/2003CN2562854Y Zero discharging chemical gas suction device
07/30/2003CN2562853Y Air purifier
07/30/2003CN2562852Y Compoiste fume purifier
07/30/2003CN2562851Y Spray type fume exhausting purifier
07/30/2003CN2562848Y Gas purification circular device
07/30/2003CN2562846Y Self impact mixed flow blade separation adjustable desulfurization dust remover
07/30/2003CN1433381A Method for preparing a mesostructured material from particles with nanometric dimensions
07/30/2003CN1432429A Cerium-based carbon-containing nanotube composite RE oxide and its prepn
07/30/2003CN1432426A Nozzle for liquid column-spraying fume desulfurizing tower
07/30/2003CN1432425A Fuel combustion method with oxygen
07/30/2003CN1432424A Vacuum pressure swing adsorption equipment
07/30/2003CN1116509C Method for producing oxidized product and generating power using solid electrolyte membrane integrated with gas turbine
07/30/2003CN1116506C Discharge control apparatus for internal combustion engine
07/30/2003CN1116126C Organic matter treating apparatus
07/30/2003CN1116115C Catalytically active structure
07/30/2003CN1116114C Method and sheet metal pile for producing honeycomb body with plurality of channels through which fluid is able to flow
07/30/2003CN1116113C Monolithic, metallic honeycomb bodies with number of varying channels
07/30/2003CN1116094C Complete oxidation catalyst for low concentration C1/C2 organic effluents and prep. thereof
07/30/2003CN1116093C Method of removing foul smell gas
07/30/2003CN1116092C Circular grid tower
07/29/2003US6600084 Method of decomposing organic halide
07/29/2003US6599856 Formed activated carbon and process for producing the same
07/29/2003US6599472 Oil soluble scavengers for sulfides and mercaptans
07/29/2003US6599470 Process and device for counteracting and deodorizing formalin gas
07/29/2003US6599431 Water is purified by aeration to expel the pollutant into gas phase, and the pollutant containing gas is then mixed with a chlorine-containing gas under light irradiation to decompose the pollutant
07/29/2003US6599423 High-efficiency processes for destruction of contaminants
07/29/2003US6599403 Electrochemical device using solid polymer electrolytic film
07/29/2003US6599350 Filtration device for use with a fuel vapor recovery system
07/29/2003US6599347 Process for treating a feed gas
07/29/2003US6598423 Liquefaction of natural gas by vaporizing nitrogen or other cryogenic liquids, then storing the gases in cylinders for use in welding and as power sources; gas apparatus
07/29/2003US6598398 Hydrocarbon combustion power generation system with CO2 sequestration
07/29/2003CA2274904C Steam reformer with internal hydrogen purification
07/29/2003CA2101081C Oxidation catalyst resistant to sulfation
07/24/2003WO2003060394A1 Self-retaining adsorbent unit
07/24/2003WO2003060295A1 A retainer for buttressing an element and a method for producing the retainer
07/24/2003WO2003059922A1 Concentrated aqueous iron chelate composition