| 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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| 03/12/1997 | EP0701469B1 Rotary slide valve |
| 03/12/1997 | EP0683689A4 Off-gas scrubber system. |
| 03/12/1997 | EP0669900B1 Method for the treatment of incineration residues and the use thereof as adsorption agent |
| 03/12/1997 | EP0669896A4 PROCESS FOR REMOVING NOx/SOx OXIDES FROM GASES --------------. |
| 03/12/1997 | EP0664728B1 Processes for the treatment of combustion residues and purification of combustion emissions |
| 03/12/1997 | EP0660746B1 Process for the purification of inert gases |
| 03/12/1997 | EP0602234B1 Gas thermal treatment process and device, in particular thermal and/or catalytic afterburning of waste gas |
| 03/12/1997 | EP0597890B1 Removal of hydrogen sulphide |
| 03/12/1997 | EP0573672B1 Exhaust emission control device in internal combustion engine |
| 03/12/1997 | EP0565728B1 Method and apparatus for processing exhaust gas |
| 03/12/1997 | EP0544892B1 Use of crystalline molecular sieves containing charged octahedral sites in cyclic desiccating processes |
| 03/12/1997 | EP0491767B1 Absorbent material and uses thereof |
| 03/12/1997 | CN2249125Y Air-circulation air-cleaner for refrigerator |
| 03/12/1997 | CN1145056A Moisture-absorbing device |
| 03/12/1997 | CN1144716A Catalyst for purifying exhaust gases from diesel engine |
| 03/12/1997 | CN1144712A Method for purification of chiorine gas |
| 03/12/1997 | CN1034226C Process and adsorption tower for adsorbing acetylene from rough mixed gas |
| 03/12/1997 | CN1034225C Process and adsorption tower for adsorbing acetylene from rough mixed gas |
| 03/11/1997 | US5610117 Catalyst for purification of diesel engine exhaust gas |
| 03/11/1997 | US5609842 Zeolitic desulfuring agents and their application in the processing of gasses containing notable CO2 proportions |
| 03/11/1997 | US5609841 Method and apparatus for treating a flow of gas containing oxidized sulphur compounds |
| 03/11/1997 | US5609840 Contacting with tertiary dialkylhydroxyalkylamine; absorption |
| 03/11/1997 | US5609839 Nox removal catalyst and method of purifying exhaust gas by using the same |
| 03/11/1997 | US5609832 Emissions control system and method |
| 03/11/1997 | US5609829 Catalytic/thermal convertor unit |
| 03/11/1997 | US5609736 Methods and apparatus for controlling toxic compounds using catalysis-assisted non-thermal plasma |
| 03/11/1997 | US5609734 Combined distillation and permeation process for the separation of oxygenated compounds from hydrocarbons and use thereof in etherification |
| 03/11/1997 | US5609023 Fuel supply control system for internal combustion engines |
| 03/11/1997 | US5609022 Method of reducing NOx emissions from lean-burn combustion engines |
| 03/11/1997 | US5608989 Plant growth system for the enhancement of the environment |
| 03/11/1997 | US5608968 Method of making a metal honeycomb body of intertwined sheet-metal layers |
| 03/11/1997 | CA2063978C Gasification-combined power plant |
| 03/11/1997 | CA2060797C Sox/nox sorbent and process of use |
| 03/11/1997 | CA2053146C Process for the treatment of wash water from the gas washing system of an iron ore reduction plant |
| 03/11/1997 | CA2031762C Process for the purification of the exhaust gases of diesel engines |
| 03/11/1997 | CA1338995C Polymer composition for scavenging oxygen |
| 03/09/1997 | CA2184952A1 Pressure swing adsorption apparatus |
| 03/06/1997 | WO1997008288A1 Succinic acid derivative degradable chelants, uses and compositions thereof |
| 03/06/1997 | WO1997008287A2 Polyamino monosuccinic acid derivative degradable chelants, uses and compositions thereof |
| 03/06/1997 | WO1997008269A1 Fcc nox reduction by turbulent/laminar thermal conversion |
| 03/06/1997 | WO1997008267A1 Fcc regenerator in partial co burn with downstream air addition |
| 03/06/1997 | WO1997007890A1 Process for manufacturing a honeycombed body from at least partially stratified sheet metal layers |
| 03/06/1997 | WO1997007889A1 Layered sheet metal with rolled-on solder and process for manufacturing a honeycombed body therefrom |
| 03/06/1997 | WO1997007888A1 Process for manufacturing a honeycombed body from two different types of sheet metal |
| 03/06/1997 | WO1997007876A2 Method and device for decomposing oxides of nitrogen in the exhaust gases from an internal-combustion engine |
| 03/06/1997 | WO1997007875A1 Waste gas cleaning device |
| 03/06/1997 | WO1997007874A1 Oxygen enriched air generation system |
| 03/06/1997 | WO1997007873A1 Voc control/solvent recovery system |
| 03/06/1997 | WO1997007872A1 Continuous adsorption apparatus and method of using the same |
| 03/06/1997 | DE19543786C1 Full utilisation of solar energy in small, stationary facilities |
| 03/06/1997 | DE19532170A1 Firmly adhering platinum coating formation on silicon carbide substrate contg. free silicon |
| 03/06/1997 | CA2230275A1 Polyamino monosuccinic acid derivative degradable chelants, uses and compositions thereof |
| 03/06/1997 | CA2230225A1 Fcc nox reduction by turbulent/laminar thermal conversion |
| 03/06/1997 | CA2230218A1 Fcc regenerator in partial co burn with downstream air addition |
| 03/06/1997 | CA2230101A1 Oxygen enriched air generation system |
| 03/05/1997 | EP0760455A2 Apparatus with at least one storage container for material to be treated, in particular plastic granulate |
| 03/05/1997 | EP0760248A1 Nitrogen-selective zeolitic adsorbent for use in air separation process |
| 03/05/1997 | EP0760247A2 Oxygen concentrator monitoring system |
| 03/05/1997 | EP0759803A1 Composite structure including a solid electrolyte and at least one volume electrode |
| 03/05/1997 | EP0711202A4 Reactive membrane for filtration and purification of gases of impurities and method utilizing the same |
| 03/05/1997 | EP0696974B1 Air dryer for a compressed air braking system |
| 03/05/1997 | EP0540743B1 Process, apparatus and system for the treatment of flue gas |
| 03/05/1997 | EP0445113B2 Process and installation for purifying waste gases, in particular fumes from refuse incineration plants |
| 03/05/1997 | CN1144544A Electrolytic apparatus |
| 03/05/1997 | CN1144492A Combined feed and mixing installation |
| 03/04/1997 | US5608135 Process for decreasing chlorine content of chlorinated hydrocarbons |
| 03/04/1997 | US5607892 Treatment or conversion of exhaust gases from internal combustion engines |
| 03/04/1997 | US5607657 Desulfurization in claus process forming hydrogen sulfide |
| 03/04/1997 | US5607654 Exhaust gases contain hydrochloric acid gas, particulate fly ash, toxic metal oxides and toxic organic compounds; process includes alkaline treatment, solids separation, wet scrubber contact stages, water evaporation |
| 03/04/1997 | US5607653 Continuous flow oxidation with ozone |
| 03/04/1997 | US5607650 Decreasing level of nitrogen oxides, carbon monoxide and sulfur dioxide emissions in a gas turbine |
| 03/04/1997 | US5607647 Air filtering within clean environments |
| 03/04/1997 | US5607596 Processes for the treatment of combustion residues and for the purification of combustion fumes |
| 03/04/1997 | US5607594 Process for purifying an aqueous methyldiethanolamine solution |
| 03/04/1997 | US5607576 Two phase treatment of gas to remove halogens |
| 03/04/1997 | US5607572 Removal of oxygen from inert gases |
| 03/04/1997 | US5607500 Desiccant air dryer with combined attachment and air flow management component |
| 03/04/1997 | US5607499 Pressure swing adsorption plants |
| 03/04/1997 | US5607496 Removal of mercury from a combustion gas stream and apparatus |
| 03/04/1997 | US5607011 Reverse heat exchanging system for boiler flue gas condensing and combustion air preheating |
| 03/04/1997 | US5606856 Arrangement for an after treatment of exhaust gases from an internal combustion engine |
| 03/04/1997 | CA2049806C Modified carbon molecular sieves for gas separation |
| 03/04/1997 | CA2039397C Coating of components of sulfur absorbants |
| 03/04/1997 | CA2011484C Palladium-containing, ceria-supported platinum catalyst and catalyst assembly including the same |
| 03/02/1997 | WO1997010042A1 Method of removing nitrogen oxides from a gas flow |
| 03/01/1997 | CA2184399A1 Method to reduce flue gas in incineration processes |
| 03/01/1997 | CA2184309A1 Process for the purification of gases |
| 02/27/1997 | WO1997007327A1 Catalyser for reducing hydrocarbons in the exhaust gases of a motor vehicle |
| 02/27/1997 | WO1997007326A1 Exhaust manifold with integral catalytic converter |
| 02/27/1997 | WO1997007175A1 Eutectic drying composition and method |
| 02/27/1997 | WO1997007071A1 Process for producing heat and cement clinkers in one boiler, its products, the equipment used and its uses |
| 02/27/1997 | WO1997007053A1 Oxygen generating device |
| 02/27/1997 | WO1997006891A1 Process for operating an electric filter for a crankcase ventilator |
| 02/27/1997 | WO1997006889A1 A method for reactivating sorbent to enable the reuse thereof |
| 02/27/1997 | WO1997006877A1 Catalytic filter material and method of making same |
| 02/27/1997 | WO1997006876A1 Process for reducing the dioxin and furan content in waste gases from furnaces, and use of the filter dusts produced thereby |
| 02/27/1997 | WO1997006875A1 Methods for sweetening hydrocarbons |
| 02/27/1997 | WO1997006874A1 Smoke gas purification device |
| 02/27/1997 | DE19544895C1 Oxidising carbon mon:oxide in gas mixt. from hydrocarbon reforming plant |
| 02/27/1997 | DE19531282A1 Bio=filters, e.g., for purifying air, fermentation processes, decontaminating soil or generating energy from natural renewable resources |