| 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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| 08/22/2000 | US6106966 Used for electrolytic and fuel-cell applications |
| 08/22/2000 | US6106963 Efficiency; having compact highly durable oxygen enrichment device |
| 08/22/2000 | US6106792 Reacting water with 2,4-toluene diisocyanate; washing, spraying and collecting urea in tank |
| 08/22/2000 | US6106791 Exhaust gas treating systems |
| 08/22/2000 | US6106790 Destroying by reaction with iron, nickel, copper, calcium, magnesium, manganese, cobalt, tin or mixtures; salt formation |
| 08/22/2000 | US6106702 Regeneration of a molecular sieve used as a guard bed in this chemical separation process. |
| 08/22/2000 | US6106596 Receiver/dryer and method of assembly |
| 08/22/2000 | US6106595 Nucleation |
| 08/22/2000 | US6106594 Complexing; isolation |
| 08/22/2000 | US6106593 Purification of air |
| 08/22/2000 | US6106591 Separation oxygen from feed gas stream; purging; circulation exhaust gases |
| 08/22/2000 | US6105365 Apparatus, method, and system for concentrating adsorbable pollutants and abatement thereof |
| 08/22/2000 | CA2179804C Method for voc abatement and paint spray booth incorporating such method |
| 08/22/2000 | CA2045128C A catalyst for decomposing nitrogen oxides and a method of purifying a waste gas containing nitrogen oxides |
| 08/19/2000 | CA2287037A1 Locomotive air processing apparatus |
| 08/17/2000 | WO2000047989A1 Carbon dioxide permeable protective layer |
| 08/17/2000 | WO2000047520A1 Apparatus and method for hydrothermal electrolysis |
| 08/17/2000 | WO2000047519A1 Method and apparatus for treating aqueous medium |
| 08/17/2000 | WO2000047326A1 Charged droplet gas scrubber apparatus and method |
| 08/17/2000 | WO2000047310A1 Filter assembly for vacuum filtration |
| 08/17/2000 | WO2000047309A1 Method of removing methanol from off gases |
| 08/17/2000 | WO2000047308A1 Method and apparatus for treatment of gas by hydrothermal electrolysis |
| 08/17/2000 | WO2000047307A1 Separation devices and processes |
| 08/17/2000 | WO2000032300A3 Method and device for reducing harmful exhaust elements in an exhaust emission control system in an internal combustion engine |
| 08/17/2000 | WO2000029095A8 Method for purifying fume contaminated by hydrogen chloride and heavy metals, rendering inert said heavy metals and upgrading said hydrogen chloride |
| 08/17/2000 | WO2000015734A9 Desulfurization process |
| 08/17/2000 | WO1999036366A8 Method for the treatment of gaseous discharges of a unit manufacturing an optical-fibre preform for recovering germanium |
| 08/17/2000 | DE19944694A1 Abgasreinigungsvorrichtung für einen Verbrennungsmotor An exhaust purification device for an internal combustion engine |
| 08/17/2000 | DE19920517C1 Membrane module for removing hydrogen from product gas produced in a reforming reaction in fuel cells of vehicles has separating elements containing an electrically conducting substrate |
| 08/17/2000 | DE19905776A1 Schutzschicht Protective layer |
| 08/17/2000 | DE19905733A1 Purification of nitrogen oxide containing waste gas involves preheating raw gas to be purified in one part of the heat storage chamber connected by switch chamber in a reactor |
| 08/17/2000 | DE19905099A1 System for dividing of gaseous mass flow involves dividing gas in the adsorption container of a deflector-support |
| 08/17/2000 | DE19904314A1 Exhaust gas purifying device has a catalyst arrangement consisting of a main catalyst and several pre-catalysts arranged relatively near to the cylinder head |
| 08/17/2000 | CA2360144A1 Separation devices and processes |
| 08/16/2000 | EP1028299A2 Filter-drier, in particular large scale filter-drier, for stationary refrigeration installations as well as filter-drier cartridge for use in such a filter-drier |
| 08/16/2000 | EP1027930A1 Exhaust emission control catalyst |
| 08/16/2000 | EP1027919A2 Apparatus and method for treating exhaust gases from a diesel engine using nitrogen oxide absorbent |
| 08/16/2000 | EP1027918A1 Method and apparatus for processing exhaust gas of semiconductor fabrication |
| 08/16/2000 | EP1027917A1 Catalyst unit and gas purifying apparatus |
| 08/16/2000 | EP1027916A1 Mixed conducting cubic perovskite for ceramic ion transport membrane |
| 08/16/2000 | EP1027915A2 Single bed pressure swing adsorption process and system |
| 08/16/2000 | EP1027914A2 Pressure swing adsorption gas flow control method and system |
| 08/16/2000 | EP1027913A1 Method and apparatus for producing highly clean dry air |
| 08/16/2000 | EP1027323A1 Process for the purification of an alkanolamine |
| 08/16/2000 | EP1027154A1 So x? additive systems based upon use of multiple particle species |
| 08/16/2000 | EP1027149A1 Catalytic membrane reactor with two component - three dimensional catalysis |
| 08/16/2000 | EP1027135A1 Method for separating oxygen from a gas mixture containing it and device for implementing said method |
| 08/16/2000 | EP1027133A1 Device for cooling gases |
| 08/16/2000 | EP0928324A4 Method for reducing sulfur-oxide emissions from an asphalt air-blowing process |
| 08/16/2000 | EP0757774B1 Improvements to methods for heat treating flue gas cleaning residues and residues from the industrial process generating said flue gases |
| 08/16/2000 | CN2391670Y Reflux after heat and regeneration gas drying apparatus |
| 08/16/2000 | CN2391669Y Equipment for removing sulphur for CFA industrial exhaust gas |
| 08/16/2000 | CN2391668Y Arrangement for purification of flue gas |
| 08/16/2000 | CN1263565A Method for operating sintering plant and sintering plant |
| 08/16/2000 | CN1263480A 储存催化剂 Storage catalyst |
| 08/16/2000 | CN1263477A Method for treating residues resulting from purification of garbage and/or industrial waste incineration fumes |
| 08/16/2000 | CN1262967A Industrial flue gas cleaning equipment |
| 08/15/2000 | US6103944 Water present in hot gaseous product stream from a reactor system containing hydrogen fluoride is separated from the stream by contacting with liquid hydrogen fluoride in distillation column |
| 08/15/2000 | US6103214 Utility as gas separation adsorbents in processes for separating oxygen from nitrogen in air. |
| 08/15/2000 | US6103208 Adsorbent for ethylene, method for adsorbing and removing ethylene and method for purifying an exhaust gas |
| 08/15/2000 | US6103207 Treating diesel exhaust with a catalytic particulate mixture |
| 08/15/2000 | US6103206 Sequentially contacting the gas first with zinc oxide and then with nickel metal. |
| 08/15/2000 | US6103205 Simultaneous mercury, SO2, and NOx control by adsorption on activated carbon |
| 08/15/2000 | US6103141 Adhesive dessicant deposit and hot melt adhesives |
| 08/15/2000 | US6102987 Scrubbing with mixture of n-formylmorpholing and n-acetylmorpholine; recirculation |
| 08/15/2000 | US6102985 Separation of pressurizes gases having variations in adsorption |
| 08/15/2000 | US6102377 Wet scrubbing spray apparatus for removing sulfur oxides from combustion effluents |
| 08/15/2000 | US6101818 Process for separating water from chemical mixtures |
| 08/15/2000 | US6101739 Method and apparatus for treating exhaust gases of thermal drying processes and particularly processes for drying sewage sludge |
| 08/15/2000 | US6101714 Method of making a catalytic converter for use in an internal combustion engine |
| 08/10/2000 | WO2000046559A1 Purification of natural gas by cryogenic separation |
| 08/10/2000 | WO2000046150A1 Utilizing purge gas from ammonia synthesis |
| 08/10/2000 | WO2000046148A1 Silica gel carrying titanium oxide photocatalyst in high concentration and method for preparation thereof |
| 08/10/2000 | WO2000045940A1 Hydrogen-selective silica based membrane |
| 08/10/2000 | WO2000045939A1 Device and method for removing and retaining volatile compounds from a gas stream |
| 08/10/2000 | WO2000030746A3 Catalyst body and method for the degradation of nitrogen oxides |
| 08/10/2000 | DE19945326A1 Removal of carbon dioxide, sulfur compounds, water and heavy hydrocarbons from technical gases includes regenerating substituted morpholine absorbent with gas generated by partial evaporation |
| 08/10/2000 | DE19942654A1 Exhaust gas, purification and neutralization apparatus comprises wall fastening, back holding sieve, sealing plate, seal with clamping bolt, waste water return pipe, exhaust gas inlet pipe, etc. |
| 08/10/2000 | DE19904692A1 Automobile radiator-mounted air filter captures ozone and hydrocarbons from atmosphere for subsequent heat-controlled release |
| 08/10/2000 | DE19904401A1 Hydrogen production plant has a permeate purification stage for treating permeate gas |
| 08/10/2000 | DE19903986A1 Reductive dehalogenation of halohydrocarbons under mild conditions, e.g. for removing toxic chloroaromatic compounds from waste oil or soil, using reducing metal in presence of amine |
| 08/10/2000 | DE19903533A1 Verfahren zur selektiven katalytischen Reduktion von Stickoxiden in sauerstoffhaltigen Abgasen A process for the selective catalytic reduction of nitrogen oxides in exhaust gases containing oxygen |
| 08/10/2000 | CA2361809A1 Purification of natural gas by cryogenic separation |
| 08/10/2000 | CA2361504A1 Hydrogen-selective silica based membrane |
| 08/10/2000 | CA2354537A1 Utilizing purge gas from ammonia synthesis |
| 08/09/2000 | EP1026382A2 Exhaust gas purification device for an engine and a/f ratio control for early activating a nox trapping catalyst |
| 08/09/2000 | EP1026379A2 Device for adsorbtive cleaning of a propellant gas |
| 08/09/2000 | EP1026374A2 Exhaust gas purifying apparatus of engine |
| 08/09/2000 | EP1026123A2 Multi-phase solid ion and electron conducting membrane with low volume percentage electron conducting phase and methods for fabricating same |
| 08/09/2000 | EP1025895A1 Air cleaner |
| 08/09/2000 | EP1025894A1 Method and adsorbent for dry exhaust gas purification |
| 08/09/2000 | EP1025893A2 Process for the manufacture of a membrane device with internal sweep |
| 08/09/2000 | EP1025603A1 Carbon monoxide removal method based on a regenerable co scavenger |
| 08/09/2000 | EP1025346A1 METHOD AND DEVICE FOR CONTROLLING THE TEMPERATURE RANGE OF AN NOx ACCUMULATOR IN THE EXHAUST SYSTEM OF A COMBUSTION ENGINE |
| 08/09/2000 | EP1025284A1 Plant for removing fluor containing waste gases |
| 08/09/2000 | EP1025045A2 Boehmitic aluminas, and high-temperature stabile and highly porous aluminum oxides in a pure phase which are obtained therefrom |
| 08/09/2000 | EP1024892A2 Device for carrying out gas reactions, use of the device and process for operating the device |
| 08/09/2000 | EP1024884A1 A method of purifying waste gases, and a gas burner |
| 08/09/2000 | EP1024883A1 Process for producing highly reactive lime in a furnace |
| 08/09/2000 | EP1024882A1 Device for plasma processing of gases |