| 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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| 04/24/2008 | US20080092738 using alkali or alkaline or rare earth metal doped alumina catalyst with speacific pore size can effectively retain organosiliceous complexes from gasoline cut at its surface by reactive adsorption afte calcination at 1000 degree C. |
| 04/24/2008 | US20080092737 Apparatus for the prevention of metal tarnish |
| 04/24/2008 | US20080092589 Method for the Pre-Treatment of Air Prior to the Introduction Thereof Into a Cryogenic Air Separation Unit, and Corresponding Apparatus |
| 04/24/2008 | US20080092532 Device And Method For Producing An Operating Medium For A Motor Vehicle |
| 04/24/2008 | US20080092529 Exhaust gas purifying apparatus for internal combustion engine |
| 04/24/2008 | US20080092528 Purification Capacity Recovery Method of Exhaust Gas Emission Control System |
| 04/24/2008 | US20080092527 Metering System For Reducing Pollutants In Motor Vehicle Exhaust Gases |
| 04/24/2008 | US20080092502 Microporous ceramic materials |
| 04/24/2008 | DE102006049602A1 Procedure for washing agent regeneration in a physical gas washing, by separating materials of first type through cold stripping in an enrichment stripping column and separating materials of second type through subsequent hot regeneration |
| 04/24/2008 | CA2667051A1 Method and apparatus for separating hydrogen gas |
| 04/24/2008 | CA2666626A1 Highly acidic composition containing zirconium oxide, titanium oxide and tungsten oxide, method for preparing the same and use thereof in the treatment of exhaust gases |
| 04/24/2008 | CA2666593A1 Highly acidic composition containing zirconium and silicon oxides and an oxide of at least one element selected from titanium, aluminium, tungsten, molybdenum, cerium, iron, tin, zinc, and manganese |
| 04/23/2008 | EP1914294A1 Method for removal of sulfur-containing compound from natural gas |
| 04/23/2008 | EP1914000A1 Oxidation catalyst for purifying exhaust gas |
| 04/23/2008 | EP1913999A1 Exhaust gas purifying catalyst |
| 04/23/2008 | EP1913965A1 Photolytic apparatus for oxygenating and removing carbon dioxide |
| 04/23/2008 | EP1912895A2 Method for producing spherical activated carbon |
| 04/23/2008 | EP1912726A1 Device for the selective nox reduction in nox containing exhaust gases |
| 04/23/2008 | EP1912725A1 Compact gas dryer and method for manufacturing the same |
| 04/23/2008 | EP1912724A2 Removal of carbon dioxide from air |
| 04/23/2008 | EP1912723A1 Gas quench and scrubber draw-off system |
| 04/23/2008 | EP1912722A2 Partial pressure swing adsorption system for providing hydrogen to a vehicle fuel cell |
| 04/23/2008 | EP1912721A1 Process for the removal of heavy metals from gases, and compositions therefor and therewith |
| 04/23/2008 | EP1912720A2 A set of processes for removing impurities from a silicon production facility |
| 04/23/2008 | EP1867382A9 Method for decomposition and removal of organic compound in air using platinum as main catalysis, method for formation of photocatalytic article and photocatalytic layer, and photocatalyst |
| 04/23/2008 | EP1809415A4 Process for the removal of heavy metal from gases, and compositions therefor and therewith |
| 04/23/2008 | EP1667785B1 Air purification wall |
| 04/23/2008 | EP1663453B1 Gas-liquid contacting tray |
| 04/23/2008 | EP1654052B1 Low energy so2 scrubbing process |
| 04/23/2008 | EP1606041B1 Method for the selective removal of hydrogen sulphide and co 2 from crude gas |
| 04/23/2008 | EP1476246B1 Process for the selective removal of sulphur compounds from synthesis gas |
| 04/23/2008 | EP1333909B1 Catalyst composition for purifying exhaust gas |
| 04/23/2008 | EP1286752B1 Filter, in particular for a vehicle |
| 04/23/2008 | CN201050795Y Separated type flue gas desulfurizing and absorption tower |
| 04/23/2008 | CN201050107Y Lavatory exhaust gas explosion-proof deodorization disinfecting device |
| 04/23/2008 | CN201049280Y Flue gas commutating adsorption tower |
| 04/23/2008 | CN201049279Y Spiral-flow fog-removing impact desulfurizing tower |
| 04/23/2008 | CN201049278Y No-discharging type waste treating device |
| 04/23/2008 | CN201049277Y Organic exhaust gas adsorption burning purifying device |
| 04/23/2008 | CN201049274Y High-efficient environmental protection oil fume purifier used in kitchen |
| 04/23/2008 | CN201049273Y High-efficient environmental protection oil fume purifying machine used in kitchen |
| 04/23/2008 | CN201049268Y Smoke-eliminating, dust-removing and desulfurizing purifier |
| 04/23/2008 | CN101166568A Process for purifying exhaust gases and apparatus for purifying exhaust gases |
| 04/23/2008 | CN101166567A Process for producing a gas stream depleted of hydrogen sulphide |
| 04/23/2008 | CN101165029A Method for extracting benzene-like compounds from flammable explosive gas of benzene-containing compounds |
| 04/23/2008 | CN101164965A Porous mullite bodies and methods of forming them |
| 04/23/2008 | CN101164840A Storage bin |
| 04/23/2008 | CN101164673A Slurry spraying system |
| 04/23/2008 | CN101164672A Wet method fume desulfurizing system |
| 04/23/2008 | CN101164671A Overflow device for desulfurizing adsorption tower |
| 04/23/2008 | CN101164670A Slurry spraying system in adsorption tower |
| 04/23/2008 | CN101164669A Desulfurizing adsorption system |
| 04/23/2008 | CN101164668A Desulfurizing adsorption tower |
| 04/23/2008 | CN101164667A Desulfurizing adsorption system |
| 04/23/2008 | CN101164666A Fume automatic ventilated spraying system for adsorption tower |
| 04/23/2008 | CN101164665A Desulfurizing slurry-producing device containing limestone slurry densimeter |
| 04/23/2008 | CN101164664A Slurry pot |
| 04/23/2008 | CN101164663A Equipment for cleaning air |
| 04/23/2008 | CN101164662A Deaminizing denitrifying dehumidification technology and device in nitrophosphate fertilizer tail gas |
| 04/23/2008 | CN101164661A Flyash mixing desulfurizing-agent back-blowing secondary-burning high-efficiency energy-saving desulfurizing dust-removing method and equipment thereof |
| 04/23/2008 | CN100383367C Automobile cold start exhaust absorption device |
| 04/23/2008 | CN100383366C Ceramic honeycomb filter and exhaust gas-cleaning method |
| 04/23/2008 | CN100383107C Cooling and purification of gas streams |
| 04/23/2008 | CN100383074C Recycle for supercritical carbon dioxide |
| 04/23/2008 | CN100383039C Processes and systems for making phosgene |
| 04/23/2008 | CN100382972C Liquid vessel with gas absorbing device |
| 04/23/2008 | CN100382875C Fume purifier |
| 04/23/2008 | CN100382874C Method for removing nitrogen dioxide in the exhaust gas from a stationary power source |
| 04/23/2008 | CN100382873C Techlogogy for making alpha semi-water desulfur gypsum using normal pressure salt solution method |
| 04/23/2008 | CN100382872C Remediation process and apparatus |
| 04/23/2008 | CA2607367A1 Method and apparatus for the purification of exhaust gas from a compression ignition engine |
| 04/22/2008 | US7361800 Process for the separation of olefins from paraffins using membranes |
| 04/22/2008 | US7361625 Photocatalyst producing method, photocatalyst, and gas purifier |
| 04/22/2008 | US7361322 Ceric oxide and method for production thereof, and catalyst for exhaust gas clarification |
| 04/22/2008 | US7361321 Exhaust stream treatment |
| 04/22/2008 | US7361320 Enriching exhaust gas with hydrogen upstream of the nitrogen oxide storage catalytic conver; switching from the pure lean operation mode to an alternating lean/rich operating mode when temperature of the nitrogen oxide storage catalytic converter exceeds a given upper threshold; reducing nitrogen oxides |
| 04/22/2008 | US7361319 reducing sulfur oxides (SOx), nitrogen oxides (NOx) and carbon monoxide (CO) emissions from a fluid stream, using adsorber materials comprising oxides of magnesium, aluminum and other metals on supports; pollution control |
| 04/22/2008 | US7361316 Process for recovery, purification, and recycle of argon |
| 04/22/2008 | US7361214 Disposable cartridge for air/gas dryer |
| 04/22/2008 | US7361211 Moisture exchange module having a bundle of moisture-permeable hollow fibre membranes |
| 04/22/2008 | US7361209 Apparatus and process for preparing sorbents for mercury control at the point of use |
| 04/22/2008 | US7361208 Chromatography oven with heat exchange and method of use |
| 04/22/2008 | US7361206 Apparatus and method for water vapor removal in an ion mobility spectrometer |
| 04/22/2008 | US7361199 Combined water gas shift reactor/carbon dioxide adsorber for use in a fuel cell system |
| 04/22/2008 | US7360534 Heated replacement air system for commercial applications |
| 04/22/2008 | CA2515722C Exhaust purification method and exhaust purification apparatus of internal combustion engine |
| 04/18/2008 | CA2606889A1 Use of alumina as a capture system for silicon organometallic complexes |
| 04/17/2008 | WO2008045784A2 Electrically conductive adsorptive honeycombs for drying of air |
| 04/17/2008 | WO2008045626A1 System and method for reducing nitrogen oxides emissions |
| 04/17/2008 | WO2008044715A1 Exhaust gas purification apparatus for internal combustion engine |
| 04/17/2008 | WO2008044587A1 Active carbon, and canister and intake air filter utilizing the same |
| 04/17/2008 | WO2008044377A1 Engine exhaust cleaner |
| 04/17/2008 | WO2008044269A1 Honeycomb structure |
| 04/17/2008 | WO2008043897A2 Process for producing hydrogen using a column with simulated mobile bed |
| 04/17/2008 | WO2008043604A1 Nitrogen oxide storage catalyst featuring a reduced desulfurization temperature |
| 04/17/2008 | WO2008043444A1 Washing column with reduced construction height |
| 04/17/2008 | WO2008043387A1 A method for the removal of nox components in flue gases |
| 04/17/2008 | WO2008022160B1 Automobile exhaust gas treatment catalyst with resistance to poisoning and method for treating automobile exhaust gas |
| 04/17/2008 | US20080089823 Method for making hydrogen using a gold containing water-gas shift catalyst |
| 04/17/2008 | US20080089822 Regeneration of nt-scr catalysts |