| 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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| 04/19/2000 | EP0597954B1 Synthetic porous crystalline material, its synthesis and use |
| 04/19/2000 | CN2374758Y Desulfurizing and dusting appts. for pressure compensating boiler |
| 04/19/2000 | CN2374256Y Effective desulfrizing appts. in smoke duct |
| 04/19/2000 | CN2374255Y Absorption column for wet treatment of waste gas containing fluorine in aluminium metallurgy |
| 04/19/2000 | CN2374254Y High effective desulphurization duster |
| 04/19/2000 | CN2374253Y Gas separation automatic compacting packed column |
| 04/19/2000 | CN1251164A Absorber of absorption system refrigerator |
| 04/19/2000 | CN1251079A Method and catalyst for direct sulphur oxidation of H2S contained in a gas |
| 04/19/2000 | CN1251057A Non self-igniting solid |
| 04/19/2000 | CN1251055A Catalyst composition contg. intimately mixed oxide of cerium and praseodymium |
| 04/19/2000 | CN1250868A Method and apparatus for producing gas with various quantities |
| 04/19/2000 | CN1250687A Ellipse body type adsorbent particle, and use in gas prodn. |
| 04/19/2000 | CN1250680A Dry desulfurizer |
| 04/19/2000 | CN1250679A Method of semi-wet treatment flue gas contg. spraying water to remove carbonic acid |
| 04/19/2000 | CN1250678A Method and equipment for treating gas contg. hydrogen sulfide and sulphur dioxide |
| 04/19/2000 | CN1250677A Adsorption/desorption equipment for low-concentration waste organic gas |
| 04/19/2000 | CN1250676A Equipment for magnetic separation of gases and its application |
| 04/19/2000 | CN1051529C Chrystalline X-zeolite |
| 04/19/2000 | CN1051477C 固-液分离器 Solid - liquid separator |
| 04/19/2000 | CN1051476C Method for controlling the oxidation of sulfites |
| 04/19/2000 | CN1051475C Pressure swing adsorption process |
| 04/18/2000 | US6051677 Excellent in selective permeating performance, good in heat resistance, chemical resistance and durability |
| 04/18/2000 | US6051529 Ceric oxide washcoat |
| 04/18/2000 | US6051205 Process for synthesis of high-silica silicate molecular sieve |
| 04/18/2000 | US6051199 Air pollution control |
| 04/18/2000 | US6051198 Catalyst for purifying fumigation exhaust gases and a method of purifying fumigation exhaust gases |
| 04/18/2000 | US6051197 Method for treating a waste gas and an apparatus thereof |
| 04/18/2000 | US6051193 Firestop; air pollution control; catalytic converters; vermiculite ore, graphite, and/or sodium silicate |
| 04/18/2000 | US6051161 Method for the removal of carbon dioxide present in gases and absorbent |
| 04/18/2000 | US6051130 Bioreactor for remediation of pollutants with butane utilizing bacteria |
| 04/18/2000 | US6051071 Device for extracting gas from an oven for chemical vapor deposition or infiltration in an installation for fabricating composite material parts |
| 04/18/2000 | US6051055 For absorbing sulfur oxides in exhaust gas |
| 04/18/2000 | US6051053 Trapping device and method of operation therefor |
| 04/18/2000 | US6051052 Particularly applicable to the production of oxygen from air |
| 04/18/2000 | US6051051 Binder-free molecular sieve zeolite granules which contain zeolites of the type lithium zeolite A and lithium zeolite X |
| 04/18/2000 | US6051050 Modular pressure swing adsorption with energy recovery |
| 04/18/2000 | US6051040 Method for reducing emissions of NOx and particulates from a diesel engine |
| 04/18/2000 | US6050226 Exhaust heat recovery boiler |
| 04/18/2000 | US6050100 Air conditioning system having improved indirect evaporative cooler |
| 04/18/2000 | US6050088 Mixture delivery device |
| 04/18/2000 | CA2197863C Method and apparatus for the oxidation of carbon monoxide |
| 04/18/2000 | CA2178058C Twin tower air dryer for an air compressor unit |
| 04/18/2000 | CA2167407C An improved non-particulating compact adsorbent filter |
| 04/18/2000 | CA2107543C Perforated plate fluid distributor and its associated fixed bed vessel |
| 04/18/2000 | CA2107542C Particle loader |
| 04/18/2000 | CA2051592C Method and apparatus for the adsorption or chemisorption of gaseous components of a gas stream |
| 04/13/2000 | WO2000020865A1 Piezoelectric gas sensing device for detection of a gas species in a gaseous environment |
| 04/13/2000 | WO2000020679A1 Method for separating reduced sulphur compounds from concentrated odour gases of a pulp mill |
| 04/13/2000 | WO2000020330A1 Method and apparatus for purification of hydride gas streams |
| 04/13/2000 | WO2000020137A1 Vapor containment and recovery system on a general parts washer apparatus |
| 04/13/2000 | WO2000020106A2 Modified porous metal surfaces |
| 04/13/2000 | WO2000020101A1 Methods for removal of water from gases using superheated zeolites |
| 04/13/2000 | WO2000020100A1 Control of mercury emissions using unburned carbon from combustion by-products |
| 04/13/2000 | WO2000020099A1 Filtering material for fluidic media and a method and device for producing such a filtering material |
| 04/13/2000 | WO2000020093A1 Fluid filtration unit |
| 04/13/2000 | WO2000020073A2 Reactive nanoparticles as destructive adsorbents for biological and chemical contamination |
| 04/13/2000 | WO2000000430A3 Molecular sieve cit-6 |
| 04/13/2000 | DE19845218A1 Arrangement for replacing tyre filling with nitrogen-rich gas has changeover device that closes emptying valve at defined pressure, opens filling valve until maximum pressure reached |
| 04/13/2000 | CA2346792A1 Fluid filtration unit |
| 04/13/2000 | CA2345968A1 Methods for removal of water from gases using superheated zeolites |
| 04/12/2000 | EP0992782A1 Materials and apparatus for the detection of contraband |
| 04/12/2000 | EP0992568A2 Removal of CO2 and H2S from gas from steam-cracking |
| 04/12/2000 | EP0992454A1 Process and apparatus for treatment of a gas containing hydrogen sulfide and sulfur dioxide and comprising a step for the removal of solid byproducts |
| 04/12/2000 | EP0992276A1 Exhaust gas purifying catalyst |
| 04/12/2000 | EP0992275A1 Process and installation for the production of variable quantities of a gas |
| 04/12/2000 | EP0992274A1 Purification of air |
| 04/12/2000 | EP0992271A1 Combined vapour/liquid distributor for packed columns |
| 04/12/2000 | EP0991852A2 Method and apparatus for injecting hydrogen into a catalytic converter |
| 04/12/2000 | EP0991470A1 Fresh air filter |
| 04/12/2000 | EP0991462A1 Process and apparatus for the treatment of carbon dioxide with carbonic anhydrase |
| 04/12/2000 | EP0991461A1 Regenerative method for de-acidifying a gas containing co 2? and liquid hydrocarbons, using an absorbing liquid based on activated methyldiethanolamine |
| 04/12/2000 | EP0991460A1 Pressure swing adsorption apparatus and method |
| 04/12/2000 | EP0765189B1 Layered catalyst composite |
| 04/12/2000 | CN2373169Y Gas cleaner |
| 04/12/2000 | CN2373168Y Repeated boiling-type flue gas cleaner |
| 04/12/2000 | CN2373167Y W-shape waterstone desulfurization multi-pipe ceramic combined particle separator |
| 04/12/2000 | CN2373166Y Silica gel air drying apparatus |
| 04/12/2000 | CN2373165Y Air-induced particle separating desulfurization device |
| 04/12/2000 | CN1250393A Device for mixing particulate material and liquid |
| 04/12/2000 | CN1250110A Circular utilization method of waste gas from gas carburizing furnace |
| 04/12/2000 | CN1250025A Method for producing X zeolite particle exchanged with metal cation |
| 04/12/2000 | CN1249961A Variable-pressure adsorptive process using integrated absorbing agent composed of zeolite facies and adhesive |
| 04/12/2000 | CN1249960A Variable-pressure adsorptive process using with faujasite containing metal cation as absorbing agent |
| 04/12/2000 | CN1249958A Combined vapor-liquid distributor for packed tower |
| 04/11/2000 | US6048821 SOx additive systems based upon use of multiple particle species |
| 04/11/2000 | US6048578 Closed loop carbon monoxide self-contained nickel carbonyl deposition process |
| 04/11/2000 | US6048510 Method for reducing nitrogen oxides in combustion effluents |
| 04/11/2000 | US6048509 Catalytic oxidation of carbon monoxide to carbon dioxide; adsorption of water and carbon dioxide |
| 04/11/2000 | US6048500 Method and apparatus for using hydroxyl to reduce pollutants in the exhaust gases from the combustion of a fuel |
| 04/11/2000 | US6048384 PSA process and system using simultaneous top and bottom evacuation of absorbent bed |
| 04/11/2000 | US6047743 Integrated high pressure fill port and flow controller for cylinder recharger |
| 04/11/2000 | US6047561 Cryogenically distilling compressed air, recovering an impure inert fluid containing hydrogen and residual impurity,, adsorbing residual impurity by means of a bed of adsorbent, removing the hydrogen impurities by means of permeation |
| 04/11/2000 | US6047544 Engine exhaust gas purification catalyst and exhaust gas purifier |
| 04/11/2000 | US6047543 Method and apparatus for enhancing the rate and efficiency of gas phase reactions |
| 04/11/2000 | US6047542 Method and device for purifying exhaust gas of engine |
| 04/11/2000 | CA2199737C Method and device for introducing a fluid into an exhaust-gas purificat ion system |
| 04/11/2000 | CA2193561C Desiccant canister with positioning bore |
| 04/09/2000 | CA2282073A1 Process and plant for producing a variable gas output |
| 04/08/2000 | CA2249708A1 Selective catalytic reduction of nitrogen oxides |
| 04/06/2000 | WO2000019101A1 Control system and method for air compressor |