| 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) |
|---|
| 09/29/1999 | EP0945163A1 A process for the separation/recovery of gases |
| 09/29/1999 | EP0945162A1 Process and system for the removal of carbon dioxide present in gases |
| 09/29/1999 | EP0945161A1 Separating nitrogen from air |
| 09/29/1999 | EP0944428A1 NOx-ADSORBER |
| 09/29/1999 | EP0944426A1 Environmental control system incorporating a catalytic reactor for the decomposition of ozone |
| 09/29/1999 | EP0944425A1 Process and composition for increasing the reactivity of sulfur scavenging iron oxides |
| 09/29/1999 | EP0944424A1 SPARK-IGNITED INTERNAL COMBUSTION ENGINE WITH AN NOx-ADSORBER |
| 09/29/1999 | EP0944423A1 Process and devices to clean and reuse displaced outgoing air containing additives (e.g. solvents) or pollutants |
| 09/29/1999 | EP0944419A1 Nanometer sized metal oxide particles for ambient temperature adsorption of toxic chemicals |
| 09/29/1999 | EP0937877B1 Monitoring of leakage in an exhaust gas treatment device of a combustion engine |
| 09/29/1999 | EP0695396B1 Emission control device and method |
| 09/29/1999 | EP0513352B1 Method of cleaning soil water |
| 09/29/1999 | CN2340495Y Apparatus for treating industrial organic waste gases |
| 09/29/1999 | CN2340494Y Structure of purifying zone of plasma air purifier |
| 09/29/1999 | CN2340492Y Deodorizing and oily smoke purifier |
| 09/29/1999 | CN2340491Y Desulfurizing and dust collecting apparatus for metal recovery |
| 09/29/1999 | CN2340490Y Centrifugal purifier for harmful gases and flue dust |
| 09/29/1999 | CN1230158A Process for recovery of sulfur from SO2 containing gases |
| 09/29/1999 | CN1230134A Process for reducing total sulphur content in gases containing hydrogen sulphide and other sulphur components |
| 09/29/1999 | CN1230133A Process for treating waste gases produced in organic waste incineration plant |
| 09/29/1999 | CN1229907A Process for purifying air by adsorption before cryogenic distillation |
| 09/29/1999 | CN1229887A Package-type scroll compressor |
| 09/29/1999 | CN1229693A Sorbent for simultaneously eliminating sulfur dioxide and nitrogen dioxide |
| 09/29/1999 | CN1229691A Dry absorbent smoke desulfuration process |
| 09/29/1999 | CN1229690A Pressure variable regeration tech. of low supplying heat source |
| 09/29/1999 | CN1229689A Process for separation/recovery of gases |
| 09/29/1999 | CN1045285C Combined distillation and permeation process for separation of oxygenated compounds from hydrocarbons |
| 09/28/1999 | US5958831 SiC foam catalyst carrier with a reinforced skin and corresponding catalytic systems |
| 09/28/1999 | US5958830 Sorbent compositions |
| 09/28/1999 | US5958829 For catalysis-promoting coatings on inert, structure reinforcing elements; exhaust systems for internal combustion engines of motor vehicles |
| 09/28/1999 | US5958828 Catalyst for purifying exhaust gas |
| 09/28/1999 | US5958827 Solid solution particle of oxides, a process for producing the same and a catalyst for purifying exhaust gases |
| 09/28/1999 | US5958826 Catalyst construction for purifying automobile exhaust gases which prevents lanthanum and barium from sulfur poisoning and/or water poisoning and maintains emission control efficiency; durability |
| 09/28/1999 | US5958819 Stable zirconium pillared clays |
| 09/28/1999 | US5958370 Zeolite SSZ-39 |
| 09/28/1999 | US5958360 Introducing the hydrogen sulfide conatminated gas through tangentailly distributed gas inlets within reaction vessel containing a liquid redox solution which prevents buildup of elemental sulfur in the process equipment |
| 09/28/1999 | US5958359 Direct conversion of hydrogen sulfide to elemental sulfide using sulfated solid oxide(sulfated magnesium aluminate i.e. solid oxide* so3), regenerating the sulfated solid oxide |
| 09/28/1999 | US5958356 Method for removal of moisture from gaseous HCl |
| 09/28/1999 | US5958353 Method for reducing atmospheric pollution |
| 09/28/1999 | US5958350 Extraction vessel for the removal of corrosive compounds from a fluid stream |
| 09/28/1999 | US5958335 Supplying ammonia to exhaust gas dry-type dust collecter to remove sulfur trioxide as ammonium sulfate (nh4/2so4) dust; measuring conditions, adding dust to adjust the ion balance of chlorine with sulfate ions as needed, to protect steel |
| 09/28/1999 | US5958251 Method of and apparatus for the purification of gases and liquids |
| 09/28/1999 | US5958238 Feeding to anerobic digestion system; converting to sulfide; circulating effluent; removing sulfide; converting sulfide to sulfur |
| 09/28/1999 | US5958221 Comprising conversion of feed materials in presence of hydrogen and catalyst; catalyst consisting of metal or metals from group 8 metals, group 6 metals, group 1b metals or mixtures incorporated into pillared clay comprising zirconia |
| 09/28/1999 | US5958138 Gas recovery unit |
| 09/28/1999 | US5958110 Flowing dry air stream into glycol solution within chamber to dehydrate glycol, discharging humidified air and reusing purified glycol, i.e. aircraft de-icing, heat exchanger fluid |
| 09/28/1999 | US5958109 Temperature swing adsorption utilizing at least three fixed beds of activated carbon in which each bed is subjected to overlapping cycles of adsorption, heating, cooling where heating results from gas circulated from other cooling bed |
| 09/28/1999 | US5958098 Method and composition in which metal hydride particles are embedded in a silica network |
| 09/28/1999 | US5958091 Hydrogen preparing apparatus |
| 09/28/1999 | US5956947 Exhaust gas purifying method and apparatus for internal combustion engine |
| 09/28/1999 | US5956946 Vehicle exhaust-gas purifier |
| 09/28/1999 | US5956941 Method and system for estimating a midbed temperature of a catalytic converter |
| 09/28/1999 | CA2164475C Telescoping desiccant cartridge for an air dryer disposed in an air system |
| 09/28/1999 | CA2150295C Rare earth-based dispersible compound, colloid suspension obtained from this compound, processes for their preparation and their use in catalyst production |
| 09/28/1999 | CA2077176C Gas separation process and unit therefor |
| 09/28/1999 | CA1340768C Teritiary alkanolamine absorbent containing an ethyleneamine promoter and its method of use |
| 09/27/1999 | CA2267054A1 Storage material for sulfur oxides |
| 09/27/1999 | CA2267010A1 Process for operating an exhaust gas treatment unit |
| 09/23/1999 | WO1999048125A1 Polymer formulations for gettering hydrogen |
| 09/23/1999 | WO1999047866A1 Desiccant assisted air conditioning system |
| 09/23/1999 | WO1999047596A1 Oxygen-scavenging compositions and articles |
| 09/23/1999 | WO1999047259A1 Diffusion joining metal carrier and method of manufacturing it |
| 09/23/1999 | WO1999047245A1 Pollution control |
| 09/23/1999 | WO1999047244A1 Desulfurizer and the process of making the same |
| 09/23/1999 | WO1999047243A1 Gas processing reactors |
| 09/23/1999 | WO1999047242A1 Method and device for cleaning combustion exhaust gas using a plasma |
| 09/23/1999 | WO1999047241A1 Polymeric desiccant articles and process for their manufacture |
| 09/23/1999 | WO1999047240A1 A cartridge for an air drier |
| 09/23/1999 | WO1999047239A1 Cellulose/polymer composite enthalpy exchanger and method for its manufacture |
| 09/23/1999 | WO1999047238A1 Passive regeneration catalytic filter, system and method for soot removal from combustion sources |
| 09/23/1999 | DE19905345A1 Exhaust after-treatment system for a motor vehicle |
| 09/23/1999 | DE19812035A1 Catalytically active ceramic membrane production |
| 09/23/1999 | DE19811708A1 Extremely thin ultrafiltration or nanofiltration membrane production |
| 09/23/1999 | DE19800726C1 Elementary heavy metal, especially mercury, separation from flue gases or combustion gases from waste incineration plants |
| 09/22/1999 | EP0943786A2 Method to control the exhaust gas treating of a direct injection Otto engine and of a lean-burn engine |
| 09/22/1999 | EP0943593A1 Electrically conductive ceramic bodies and method of applying electrical contacts onto such bodies |
| 09/22/1999 | EP0943585A2 Combustion system |
| 09/22/1999 | EP0943367A1 Fluid separation element |
| 09/22/1999 | EP0942777A1 Environmental control system incorporating a dual bed reactor |
| 09/22/1999 | EP0921850A4 Packing for separation columns and process of use |
| 09/22/1999 | EP0900177A4 Ultraviolet light irradiated ebullating mass transfer system |
| 09/22/1999 | EP0841980B1 Device and method for purifying a gas or vapour flow |
| 09/22/1999 | EP0821657B1 Uv-reflector forming a part of a uv-device for purification of a liquid or a gas, preferably water |
| 09/22/1999 | CN2339564Y Jet-flow type chlorine-absorbing device |
| 09/22/1999 | CN2339290Y Waste-gas treatment apparatus |
| 09/22/1999 | CN2339287Y Washing tower for desulfurizing and partial dust-controlling smoke of coal-burning boiler |
| 09/22/1999 | CN1229366A Air cleaning filter |
| 09/22/1999 | CN1229005A Desulfurizing agent and preparation method thereof |
| 09/22/1999 | CN1045188C Megnetic field type oxygen enriched air producing apparatus |
| 09/22/1999 | CN1045173C Aeration sea water type technology for removing sulphur from smoking and aeration device |
| 09/21/1999 | US5955393 Enhanced adsorbent and room temperature catalyst particle and method of making therefor |
| 09/21/1999 | US5955214 Mixed oxides of manganese and copper |
| 09/21/1999 | US5955046 Comprising complex oxide containing aluminum, galliium, zinc |
| 09/21/1999 | US5955045 Purification of hydrocarbon gases by reaction of nitrogen oxides with manganese dioxide to form manganese nitrate |
| 09/21/1999 | US5955044 Depleting the stream of carbon monoxide and carbon dioxide; separating remaining impurities from said hydrogen stream by passing said stream through a selectively permeable palladium or palladium alloy membrane |
| 09/21/1999 | US5955037 Effluent gas stream treatment system having utility for oxidation treatment of semiconductor manufacturing effluent gases |
| 09/21/1999 | US5954861 Process for recovery of methyl chloride |
| 09/21/1999 | US5954859 Solid electrolyte ionic conductor oxygen production with power generation |
| 09/21/1999 | US5954858 Extracting air pollutants across first microporous hydrophobic membrane into stripping fluid, then extracting pollutants across second membrane for biodegradation by microorganisms immobilized on opposite surface of membrane |
| 09/21/1999 | US5953915 For compressed air systems |