| 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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| 05/01/2002 | CN1347391A Bioremediation of petroleum pollutants with alkane-utilizing bacteria |
| 05/01/2002 | CN1346796A Synthesis of low silicon and sodium zeolite |
| 05/01/2002 | CN1346788A Process for purifying gas |
| 05/01/2002 | CN1346786A Process and apparatus for preparing hihg-purity CO, hydrogen and their mixture by cracking methanol |
| 05/01/2002 | CN1346704A 氧化催化剂 Oxidation catalyst |
| 05/01/2002 | CN1346697A Ceramic catalyst body, ceramic carrier and their production method |
| 05/01/2002 | CN1346695A Ceramic carrier and ceramic catalyst body |
| 05/01/2002 | CN1346694A Ceramic catalyst body and ceramic carrier |
| 05/01/2002 | CN1346692A Method for cleaning harmful gas, and cleaning agent thereof |
| 05/01/2002 | CN1346691A Absorption tower with improved gas inlet duct |
| 05/01/2002 | CN1346690A Small pressure swing adsorption oxygen producing apparatus with compact structure adsorptive tower |
| 05/01/2002 | CN1083927C Hybrid mounting system for pollution control devices |
| 05/01/2002 | CN1083804C Apparatus and method for waste water treatment using microorganisms |
| 05/01/2002 | CN1083732C Catalyst for selective oxidation of sulfur compounds to elemental sulfur, process for preparing same, and use thereof |
| 05/01/2002 | CN1083731C Synchronous pressure swing adsorption process |
| 04/30/2002 | US6380525 Artificial dielectric susceptor |
| 04/30/2002 | US6380452 Using a fluorinated polyethersulfone polymer |
| 04/30/2002 | US6380276 For reversibly binding compounds |
| 04/30/2002 | US6380128 V2O5-based catalyst for removing NOx from flue gas and preparing method therefor |
| 04/30/2002 | US6379796 Composite hollow fiber membrane |
| 04/30/2002 | US6379646 Crystalline phosphorus-containing molecular sieves |
| 04/30/2002 | US6379640 Process for the decomposition of nitrous oxide |
| 04/30/2002 | US6379639 Process for purification of flue gas |
| 04/30/2002 | US6379638 Contacting the gaseous mixture at room temperature with an alkaline earth metal, alkaline metal, lanthanide metal, transition metal oxide |
| 04/30/2002 | US6379536 Fluid catalytic cracking; air pollution control |
| 04/30/2002 | US6379531 Zeolite SSZ-52 |
| 04/30/2002 | US6379524 Method for preparing composite membrane for separation of hydrogen gas |
| 04/30/2002 | US6379437 Filter for gases |
| 04/30/2002 | US6379436 Aluminum silicate desiccant for drying sodalite |
| 04/30/2002 | US6379435 Adsorbing device, method of deodorizing therewith, and method of supplying high concentration oxygen |
| 04/30/2002 | US6379433 Device for use in filtering contaminated air |
| 04/30/2002 | US6379431 Pressure swing adsorption apparatus beds and pressure control |
| 04/30/2002 | US6379430 Use of an activated alumina for removing the CO2 from a gas |
| 04/30/2002 | US6379429 Positioning a canister in a tube with a manhole cover, inflation of ring to form a seal on manhole cover for controlling gas flow |
| 04/30/2002 | CA2325072A1 Gas separation for molten carbonate fuel cell |
| 04/30/2002 | CA2125990C A purifying apparatus |
| 04/30/2002 | CA2088484C Gas-solid contacting method |
| 04/27/2002 | CA2324702A1 Reformate purification and heat recovery for fuel cell |
| 04/27/2002 | CA2324699A1 Carbon monoxide removal from hydrogen feed to fuel cell |
| 04/25/2002 | WO2002033334A2 Method and installation for purifying and recycling helium and use in optical fibre manufacture |
| 04/25/2002 | WO2002033235A2 Method and device for diagnosing the storing properties of a nox storage catalyst |
| 04/25/2002 | WO2002033233A1 Holding seal material for catalytic converter and method of manufacturing the holding seal material |
| 04/25/2002 | WO2002033232A2 Control system for scr applications |
| 04/25/2002 | WO2002033231A1 Exhaust treatment unit with a catalyst arrangement and method for the treatment of exhaust gases |
| 04/25/2002 | WO2002033229A2 Heatable honeycomb body with two different coatings arranged serially in the direction of flow |
| 04/25/2002 | WO2002033024A2 Oxygen scavenging compositions suitable for heat triggering |
| 04/25/2002 | WO2002032569A1 Desiccant composition |
| 04/25/2002 | WO2002032558A1 Flexible and porous membranes and adsorbents, and method for the production thereof |
| 04/25/2002 | WO2002032555A1 Exhaust gas cleaning system for a diesel engine and method for cleaning the exhaust gas of a diesel engine |
| 04/25/2002 | WO2002032553A1 Exhaust gas cleaning system with a catalyst arrangement and method for cleaning exhaust gases |
| 04/25/2002 | WO2002032552A1 Exhaust gas cleaning system and method for cleaning exhaust gas |
| 04/25/2002 | WO2002032551A1 Method for partially oxidising a gas stream comprising hydrogen sulphide and ammonia |
| 04/25/2002 | WO2002032550A1 Gas separating and purifying method and its apparatus |
| 04/25/2002 | WO2002032549A1 Exhaust gas treating device |
| 04/25/2002 | WO2002032548A1 Devices and methods for chemical reactive filtration |
| 04/25/2002 | US20020049137 Composite oxide, process for producing the same, catalyst for purifying exhaust gas, and process for producing the same |
| 04/25/2002 | US20020049115 Hybrid vehicle capable of reducing NOx emissions and method of operating same |
| 04/25/2002 | US20020048542 Catalytic trap and methods of making and using the same |
| 04/25/2002 | US20020048538 Gas scrubber with automatic disassembling device |
| 04/25/2002 | US20020046819 Kraft waste reclamation methodology |
| 04/25/2002 | US20020046655 Method and system for recovering VOC emissions |
| 04/25/2002 | US20020046652 Apparatus and method for efficient recovery of volatile organic compounds |
| 04/25/2002 | US20020046563 Electronic control unit for controlling ignition timing during reduction of NOx occluded by lean NOx catalyst |
| 04/25/2002 | US20020046562 Emissions control |
| 04/25/2002 | US20020046555 Combination filter units that remove particulates (soot) and nitrogen oxides in successive passes before the gas exits; use with diesel engines |
| 04/25/2002 | DE4306052C2 Abgasreinigungseinrichtung Flue gas cleaning device |
| 04/25/2002 | DE10063010C1 Moistening and charging biomass used for supplying bioreactors comprises passing water as floating mist in directed air stream through biomass from below to above |
| 04/25/2002 | DE10052378A1 Liquid ammonia supply system for vehicle exhaust gas catalyses has interchangeable reservoirs and a valve system coupling a reservoir valve to one in the vehicle |
| 04/25/2002 | DE10051562A1 Electrically heated honeycomb body used for removing hydrocarbons or nitrogen oxides from I.C. engine exhaust gases comprises two zones with different coatings arranged behind each other in the flow direction |
| 04/25/2002 | DE10046610C1 Fest-Los-Lagerung eines Katalysator-Trägerkörpers Fixed floating bearing of a catalyst carrier body |
| 04/25/2002 | CA2425579A1 Oxygen scavenging compositions suitable for heat triggering |
| 04/25/2002 | CA2422995A1 Method for partially oxidising a gas stream comprising hydrogen sulphide and ammonia |
| 04/24/2002 | EP1199449A2 Use of liquid ammonia in exhaust catalyst systems of internal combustion engines |
| 04/24/2002 | EP1199101A2 Methods for preparing shaped sorbent |
| 04/24/2002 | EP1199097A1 Device for treating an exhaust gas from a diesel engine |
| 04/24/2002 | EP1199096A1 Catalyst for destruction of CO, VOC, and halogenated organic emissions |
| 04/24/2002 | EP1198669A1 Low emission, diesel-cycle engine |
| 04/24/2002 | EP1198666A1 METHOD FOR INCREASING THE NO x CONVERSION RATE OF DETERIORATED NO x STORAGE CATALYSTS |
| 04/24/2002 | EP1198413A1 Process for nitrous oxide purification |
| 04/24/2002 | EP1198305A1 Recovery of heavy metals in waste treatment |
| 04/24/2002 | EP1198284A1 Treatment of exhaust gas |
| 04/24/2002 | EP1198283A1 Effluent gas stream treatment system having utility for oxidation treatment of semiconductor manufacturing effluent gases |
| 04/24/2002 | EP1198282A1 Preparation of water from flue gases |
| 04/24/2002 | EP1198281A1 Integrated heated getter purifier system |
| 04/24/2002 | EP1084333B1 Honeycomb arrangement |
| 04/24/2002 | EP1051246B1 Absorbents |
| 04/24/2002 | EP0968056B1 Non self-igniting solid |
| 04/24/2002 | EP0946251B1 Device for separating from a gas stream liquids and/or solid matters or gases having a different specific weight |
| 04/24/2002 | EP0771759B1 Process for the electrolytic separation of oxygen from its mixtures and equipment for implementing such process |
| 04/24/2002 | EP0738178B1 Flue gas scrubbing apparatus |
| 04/24/2002 | CN2487439Y Impact rotating flow type desulfurizing duster |
| 04/24/2002 | CN2487438Y Semiconductor waste gas treater with capacity of preventing dirt from piling up and corrosion |
| 04/24/2002 | CN2487437Y Device for absorbing and purifying toxic harmful gas |
| 04/24/2002 | CN2487436Y Toxic gas absorbing tower |
| 04/24/2002 | CN2487435Y Pot for absorbing harmful gas and special smell carbon particles |
| 04/24/2002 | CN1345628A Improved adsorbent composition |
| 04/24/2002 | CN1345623A Cooking fume processing equipment |
| 04/24/2002 | CN1345622A Cooking mobile equipment without fume pollution |
| 04/24/2002 | CN1345621A Removing sulfur dioxide from industrial waste gas by ammonia regeneration circulation process |
| 04/24/2002 | CN1345620A Method for removing phosphorus, phosphide, surfide and recovering phosphorus from yellow phosphorus tail gas |