| 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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| 07/30/2002 | US6425265 Process and apparatus for purifying hydrogen bromide |
| 07/30/2002 | CA2251627C Thermally enhanced compact reformer |
| 07/30/2002 | CA2071079C Methods and compositions for oxygen scavenging |
| 07/25/2002 | WO2002058205A2 Proton-selective conducting membranes |
| 07/25/2002 | WO2002058056A1 Limiting shelf life for limited play optical information storage media |
| 07/25/2002 | WO2002057615A1 Device and method for preventing fuel vapors from escaping from the intake system of an internal combustion engine |
| 07/25/2002 | WO2002057603A1 Device for metering a urea solution devoid of enzymes, comprising a sensor unit for controlling physical condition variables of said urea solution |
| 07/25/2002 | WO2002057012A1 Catalyst element |
| 07/25/2002 | WO2002057002A1 Sulfur recovery process |
| 07/25/2002 | WO2002012803B1 Improved aqua-ammonia absorption system generator utilizing structured packing |
| 07/25/2002 | WO2002011866B1 Sox tolerant nox trap catalysts and methods of making and using the same |
| 07/25/2002 | WO2001008783A9 Process and apparatus for treatment of hazardous gases in effluent |
| 07/25/2002 | US20020098977 Titania photocatalyst and its preparing method |
| 07/25/2002 | US20020098975 Catalyst for purifying exhaust gas |
| 07/25/2002 | US20020098394 Systems and processes for providing hydrogen to fuel cells |
| 07/25/2002 | US20020098147 Calcining a M-gmelinite having a quaternary ammonium template, therby transforming M-gmelinite to M-AFI zeolite, where M is selected from sodium, lithium, calcium, barium and magnesium |
| 07/25/2002 | US20020098131 Electro-kinetic air transporter-conditioner device with enhanced cleaning features |
| 07/25/2002 | US20020098123 Liquid withdrawing tray for purification column, purification column, and method for purification |
| 07/25/2002 | US20020096479 Spraying contaminated soil with water, collecting water bearing contaminants, adding photocatalytic slurry to water bearing contaminants, exposing to electromagnetic radiation |
| 07/25/2002 | US20020096312 Membrane desiccation heat pump |
| 07/25/2002 | US20020096174 Portable oxygen concentration system and method of using the same |
| 07/25/2002 | US20020096051 Filter material useful for gas filtration and having biocidal properties |
| 07/25/2002 | US20020096049 Method and apparatus for removing trace impurities from a reactive gas using preconditioned ultra-low emission carbon material |
| 07/25/2002 | US20020095949 A/D baffle for gas pressure pulsation reduction |
| 07/25/2002 | DE10102604A1 Air intake system, for an IC motor, has a connected fuel vapor filter to adsorb hydrocarbons and prevent their escape into the ambient environment |
| 07/25/2002 | DE10065841A1 Drying and/or polishing cutlery, table dishes and glass and porcelain goods for home and kitchen involves forming turbulent layer with moving granular drying medium by applying air flow |
| 07/25/2002 | DE10051361C1 Abgasreinigungsanlage für einen Dieselmotor und Verfahren zur Abgasreinigung bei einem Dieselmotor Exhaust gas purification system for a diesel engine and method for purifying exhaust gas in a diesel engine |
| 07/25/2002 | CA2431164A1 Limiting shelf life for limited play optical information storage media |
| 07/24/2002 | EP1225403A2 Accumulator-dehydrator assembly |
| 07/24/2002 | EP1225323A1 Exhaust gas purifying device for internal combustion engine |
| 07/24/2002 | EP1224979A1 Process for producing adsorbent and detergent filter |
| 07/24/2002 | EP1224974A1 Automobile exhaust gas cleaning catalyst metal carrier and production method therefor |
| 07/24/2002 | EP1224973A1 Catalyst with discharge electrode or carrier |
| 07/24/2002 | EP1224969A1 Particulate burning catalyst |
| 07/24/2002 | EP1224968A1 Supported molten-salt type catalyst for exhaust gas treatment |
| 07/24/2002 | EP1224964A1 Method and device for processing pfc |
| 07/24/2002 | EP1224963A1 Air separation using monolith adsorbent bed |
| 07/24/2002 | EP1224666A1 Improved multi-functional molded filter for removing contaminants from an enclosure |
| 07/24/2002 | EP1224385A2 METHOD FOR DIAGNOSING THE LEVEL OF DETERIORATION OF AN NOx CATALYST LOCATED IN THE EXHAUST CHANNEL OF AN INTERNAL COMBUSTION ENGINE |
| 07/24/2002 | EP1224384A1 Honeycombed body with a multi-layer jacket |
| 07/24/2002 | EP1224025A1 METHODS FOR REDUCING NO x? IN COMBUSTION FLUE GAS USING METAL-CONTAINING ADDITIVES |
| 07/24/2002 | EP1224011A1 Manner of attaching component elements to filtration material such as may be utilized in respiratory masks |
| 07/24/2002 | EP1007191B1 Static mixer |
| 07/24/2002 | EP0907398B1 Liquid and gas purification and filtration |
| 07/24/2002 | CN2501565Y Boiler flue gas spray desulfurizating apparatus |
| 07/24/2002 | CN2501564Y Apparatus by bio-matter pyrolytic gas refiring denitration |
| 07/24/2002 | CN2501563Y Smoke purifier for coal-fired boiler |
| 07/24/2002 | CN1360556A Process and apparatus for production of hydrogen by gasification of combustible material and method for electric generation using fuel cell and electric power generation system using fuel cell |
| 07/24/2002 | CN1360513A Method and apparatus for purifying air using mixed liquid |
| 07/24/2002 | CN1360139A Purifying system for high power output and low-temp tail gas discharge of IC engine |
| 07/24/2002 | CN1359849A Recovery of carbon dioxide at high pressure |
| 07/24/2002 | CN1359774A Method and device for producing atomized powder using recirculating atomized gas |
| 07/24/2002 | CN1359768A Device for making honeycomb structure of waste gas exhausting controlling means |
| 07/24/2002 | CN1359751A Catalyst for removing dioxide and preparing method thereof |
| 07/24/2002 | CN1359749A Composite adsorbent for purifying hydrocarbon stream |
| 07/24/2002 | CN1359742A Process and equipment for treating flue gas with tower of kittle tray |
| 07/24/2002 | CN1087975C Catalyst for removing sulfur dioxide |
| 07/24/2002 | CN1087967C Process and device for scrubbing acidic gas by wet method |
| 07/24/2002 | CN1087966C Process for desulfurization of sulfurous acid gas contg. waste gas |
| 07/24/2002 | CN1087965C Method and apparatus for processing gas contg. hydrogen sulfide and sulfur dioxide |
| 07/24/2002 | CN1087964C Method and apparatus for treating waste gases by exposure to electron beams |
| 07/24/2002 | CN1087963C Adsorption separation method for removing and recovering nitrogen oxide(s) from mixed gas contg. nitrogen oxide(s) |
| 07/24/2002 | CN1087962C Adsorption separation method for removing nitrogen oxide(s) and sulfur oxide(s) from gas from lime kiln |
| 07/24/2002 | CN1087961C Air cleaning filter |
| 07/23/2002 | US6423882 Generation free radicals |
| 07/23/2002 | US6423658 Macroporous adsorbent comprising pores having specified pore volume and mean pore diameter comprising adsorbent active phase containing at least one metal cation selected from group consisting of lithium, calcium, zinc and iron |
| 07/23/2002 | US6423534 Method for eliminating ethanol in exhaust gas |
| 07/23/2002 | US6423295 Calcining a mgmelinite that has a quaternary ammonium template to remove the quaternary ammonium template |
| 07/23/2002 | US6423293 Oxygen storage material for automotive catalysts and process of using |
| 07/23/2002 | US6423284 Fluorine abatement using steam injection in oxidation treatment of semiconductor manufacturing effluent gases |
| 07/23/2002 | US6423283 Method for removing NOx |
| 07/23/2002 | US6423282 Method for the regeneration of an acid gas absorbing fluid containing methydiethanolamine and a (lower alkyl) piperazine |
| 07/23/2002 | US6423278 Plasma dry scrubber |
| 07/23/2002 | US6423277 Oxidation of nitric oxide gas stream, distribution, microwaves for oxidation, corrosion |
| 07/23/2002 | US6423123 Filtering material for fluidic media and a method and device for producing such a filtering material |
| 07/23/2002 | US6423122 Absorption device and corresponding exchangeable packaging |
| 07/23/2002 | US6423121 Heating under vacuum; using zeolite type x |
| 07/23/2002 | US6422313 Apparatus and method for recovering waste production gases |
| 07/23/2002 | US6422008 System for reduction of harmful exhaust emissions from diesel engines |
| 07/23/2002 | US6422007 Exhaust system |
| 07/23/2002 | US6422006 Exhaust gas purifying apparatus for internal combustion engine |
| 07/23/2002 | US6422005 Process and apparatus for the catalytic elimination of a pollutant from the exhaust gas from a combustion installation |
| 07/23/2002 | CA2093390C Treatment of gas streams |
| 07/18/2002 | WO2002056395A1 System for the conversion of water into non-oxidizing gases and electronic devices containing said systems |
| 07/18/2002 | WO2002055194A1 Catalyst for clarification of nitrogen oxides |
| 07/18/2002 | WO2002055181A1 Methods to reduce alkali material migration from nox adsorber washcoat to cordierite |
| 07/18/2002 | WO2002055180A1 Method of converting a solid nitrogen-containing reducing agent to the gas phase for use in the reduction of nitrogen oxides in exhaust gases |
| 07/18/2002 | WO2002055172A2 Pressure swing adsorption gas separation method and apparatus |
| 07/18/2002 | WO2002036243A3 Small-volume nox adsorber |
| 07/18/2002 | WO2002033235A3 Method and device for diagnosing the storing properties of a nox storage catalyst |
| 07/18/2002 | WO2002033229A3 Heatable honeycomb body with two different coatings arranged serially in the direction of flow |
| 07/18/2002 | WO2002000773A3 Polymers and polymer membranes covalently cross-linked by sulphinate alkylation |
| 07/18/2002 | WO2001079586A9 A process for the purification of organometallic compounds or heteroatomic organic compounds with a catalyst based on iron and manganese supported on zeolites |
| 07/18/2002 | US20020095058 Separation elements with profiled surface and second functionality elements with spaced closed chambers on top of each other and filled with a physically, chemically or biologically active material and having polymeric walls |
| 07/18/2002 | US20020094466 Composites and composite membranes |
| 07/18/2002 | US20020094380 Abatement of effluents from chemical vapor deposition processes using organometallicsource reagents |
| 07/18/2002 | US20020094314 Method for the reduction and removal of nitrogen oxides |
| 07/18/2002 | US20020094312 Screen heater located in a housing arranged for receiving and passing a flow of industrial gases, wherein the gases have a low residence time within the heater but are heated to a very high temperature |
| 07/18/2002 | US20020094308 Treating the gas to convert the hydrogen sulfide (H2S) to elemental sulfur (S), process tail gas from conversion unit via hydrolysis, hydrogenation to convert sulfur dioxide to H2S, and then catalytic redox reaction to S |
| 07/18/2002 | US20020092796 Fluid catalytic cracking; comprises acidic oxide support (alumina/silica), sodium/potassium, cerium oxide (having oxygen storage capability), and palladium; pollution control |