| 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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| 08/04/1998 | US5787706 Exhaust gas purification device |
| 08/04/1998 | US5787704 Electronic purification of exhaust gases |
| 08/04/1998 | US5787584 Catalytic converter |
| 08/04/1998 | CA2120143C Conversion of hydrogen sulfide to sulfur and hydrogen |
| 08/04/1998 | CA2103653C Shaped organosiloxane polycondensates, processes for their preparation and use |
| 08/03/1998 | CA2228392A1 Method for the separation of gas mixtures by pressure-swing adsorption in a two-bed adsorber system |
| 07/30/1998 | WO1998033021A1 Method and means for purifying air with a regenerable carbon cloth sorbent |
| 07/30/1998 | WO1998032956A2 Catalytic converter having a catalyst with noble metal on molecular sieve crystal surface and methods of making same |
| 07/30/1998 | WO1998032720A1 Process for the treatment of fccu off gas |
| 07/30/1998 | WO1998032531A1 Conversion method for gas streams containing hydrocarbons |
| 07/30/1998 | WO1998032524A1 Reduction of nitrogen oxide |
| 07/30/1998 | WO1998032523A1 Flue gas scrubber |
| 07/30/1998 | WO1998032522A1 Method for recuperating vent gas coming from an ozonization reactor |
| 07/30/1998 | WO1998032521A1 Recovery of perfluorinated compounds and hydrofluorocarbon gases using molecular sieve membranes |
| 07/30/1998 | WO1998032520A1 Process for treating gas with ultra-lean amine |
| 07/30/1998 | WO1998032519A1 Amine heat stable salt neutralization having reduced solids |
| 07/30/1998 | WO1998032518A1 Double loop liquid-liquid h2s removal process |
| 07/30/1998 | WO1998026854A3 Method for the catalytic decomposition of nitrogen oxides |
| 07/30/1998 | DE19703068A1 Regeneration of adsorber(s) using microwave(s) |
| 07/30/1998 | DE19702884A1 Treating industrial effluents exhibiting marked foaming tendency |
| 07/30/1998 | DE19702685A1 Plastic casing for electric motor(s) e.g. brush casing with waterproof air vent |
| 07/30/1998 | DE19702569A1 Plate catalyst for removing nitrogen oxide(s) from exhaust gas |
| 07/30/1998 | CA2278419A1 Conversion method for gas streams containing hydrocarbons |
| 07/30/1998 | CA2278360A1 Reduction of nitrogen oxide |
| 07/30/1998 | CA2275960A1 Recovery of perfluorinated compounds and hydrofluorocarbon gases using molecular sieve membranes |
| 07/30/1998 | CA2264547A1 Method and means for purifying air with a regenerable carbon cloth sorbent |
| 07/29/1998 | EP0855210A2 Catalyst for purifying exhaust gas |
| 07/29/1998 | EP0855209A1 PSA process for purifying hydrogen |
| 07/29/1998 | EP0854971A1 Device for purifying the exhaust gas of an internal combustion engine |
| 07/29/1998 | EP0854752A1 Cleaning ambient air by the movement of a vehicle having a pollutant treating surface |
| 07/29/1998 | EP0854751A1 Catalytic filter material and method of making same |
| 07/29/1998 | EP0854750A1 Incineration fume cleaning plant with internal recycling |
| 07/29/1998 | EP0854749A1 Fluid storage and delivery system comprising high work capacity physical sorbent |
| 07/29/1998 | EP0826077A4 Electrode, electrochemical cell and electrochemical processes |
| 07/29/1998 | EP0794826B1 Nitrogen oxide decomposing process and catalyst |
| 07/29/1998 | EP0785817A4 Storage and delivery system for gaseous compounds |
| 07/29/1998 | EP0688374B1 A method of separating sulphur compounds |
| 07/29/1998 | EP0604554B1 Process for producing and utilizing an oxygen enriched gas |
| 07/29/1998 | CN2286647Y Multi-cyclone self-exciting water-bathing desulfurizing dust-remover |
| 07/29/1998 | CN1188687A Emulsion for wet cleaning method absorbing sulfur dioxide in exhaust gas |
| 07/29/1998 | CN1188686A Method for total material, emission-free utilisation by high-temperature recycling and by fractional material-specific conversion of resultant synthesis raw gas |
| 07/29/1998 | CN1188685A Refrigerant temp. control device for freezing type air drier |
| 07/29/1998 | CN1188684A Air washer |
| 07/28/1998 | US5785938 Process using recyclable sorbents for the removal of sox from flue gases and other gas streams |
| 07/28/1998 | US5785937 Introducing reducing agent into exhaust gas stream during operating periods alternately superstoichiometrically and substoichiometrically |
| 07/28/1998 | US5785936 Simultaneous control of SO2, NOx, HCl, and particulates by in-furnace high-temperature sorbent injection and particulate removal |
| 07/28/1998 | US5785932 Catalytic reactor for oxidizing mercury vapor |
| 07/28/1998 | US5785931 Metal honeycomb body of intertwined sheet-metal layers, and method for its production |
| 07/28/1998 | US5785930 Apparatus for burning a wide variety of fuels in air which produces low levels of nitric oxide and carbon monoxide emissions |
| 07/28/1998 | US5785929 Eliminates toxic components of waste gas resulting from semiconductor manufacturing |
| 07/28/1998 | US5785901 Gas-liquid contact apparatus |
| 07/28/1998 | US5785888 Method for removal of sulfur dioxide |
| 07/28/1998 | US5785841 Method of removing sulfur dioxide and nitrogen oxides from a gaseous stream |
| 07/28/1998 | US5785839 Electrochemical cells; separation of oxygen from air or gas mixtures |
| 07/28/1998 | US5785742 Casing assembly for desiccant element housing |
| 07/28/1998 | US5785741 Includes at least one glassy polymer membrane separation unit having a feed side and a permeate side |
| 07/28/1998 | US5785740 Pressure swing adsorption using reversible rotary machine connected to gas supply and to adsorber, alternately actuated in one direction during pressurization and the other during depressurization |
| 07/28/1998 | US5785739 Steam cracker gas separation process |
| 07/28/1998 | US5785738 Carbon dioxide |
| 07/28/1998 | CA1339975C Process and facility for the simultaneous production of hydrogen and carbon monoxide |
| 07/28/1998 | CA1339974C Process for removing h2s from a gas stream |
| 07/23/1998 | WO1998031400A1 Contaminant destruction by oxidation processing via enhanced ozonation |
| 07/23/1998 | DE19740035C1 Beer wort fermentation process |
| 07/22/1998 | EP0854114A2 Process for synthesis of high-silica silicate molecular sieve |
| 07/22/1998 | EP0854111A2 Apparatus for recovering, refining, and storing hydrogen gas |
| 07/22/1998 | EP0853976A1 Oxygen selective sorbents |
| 07/22/1998 | EP0853971A1 Apparatus and method for wet type simultaneous decontaminating and dust-removing gas treatment |
| 07/22/1998 | EP0853970A2 An improved process and system for separation and recovery of perfluorocompound gases |
| 07/22/1998 | EP0853969A2 Operation of staged adsorbent membranes |
| 07/22/1998 | EP0853968A1 Method for production of nitrogen using oxygen selective adsorbents |
| 07/22/1998 | EP0853967A2 Valve apparatus for gas separation and adsorption system |
| 07/22/1998 | EP0853966A1 Vacuum/pressure swing adsorption (VPSA) method for production of an oxygen enriched gas |
| 07/22/1998 | EP0853719A1 Electrically heatable honeycombed body subdivided into partial areas with interconnecting webs |
| 07/22/1998 | EP0853653A1 Fcc no x? reduction by turbulent/laminar thermal conversion |
| 07/22/1998 | EP0853652A1 Fcc regenerator in partial co burn with downstream air addition |
| 07/22/1998 | EP0853598A1 Reduction of hazardous emissions during firing |
| 07/22/1998 | EP0751820B1 Combined feed and mixing installation |
| 07/22/1998 | EP0721367B1 Acid emission reduction |
| 07/22/1998 | CN2286428Y Vertical and wet type desulfurizing and dust removing equipment |
| 07/22/1998 | CN2286427Y Counter flow adsorption tower |
| 07/22/1998 | CN1188431A Air purifier |
| 07/22/1998 | CN1188425A Process for dry desulphurisation of combustion gas |
| 07/22/1998 | CN1188424A Filter and method for making filter |
| 07/22/1998 | CN1188022A Technological process for absorbing and converting sulfur dioxide gas |
| 07/21/1998 | US5783515 Group 8 metal, alloy or oxide on support |
| 07/21/1998 | US5783304 Acidic or basic gas absorptive fiber and fabric |
| 07/21/1998 | US5783160 Method for purifying combustion exhaust gas |
| 07/21/1998 | US5783119 Liquid distributor for columns |
| 07/21/1998 | US5783080 Plate filter with high odor and toxin removing and water absorbing capacity and its manufacturing processes |
| 07/21/1998 | US5783050 Porous, flow-through, fiber-free electrode comprising rigid core, springy wrapping of multitude of expanded valve metal layers |
| 07/21/1998 | US5782960 Membrane comprising hydrogen-permeable member, reinforcing member laminate |
| 07/21/1998 | US5782959 Process for preparing a composite inorganic membrane for hydrogen separation |
| 07/21/1998 | US5782104 Integrated air conditioning system with hot water production |
| 07/21/1998 | US5782087 Device for purifying exhaust gas of an engine |
| 07/21/1998 | US5782085 Feeding an electromagnetic high frequency-activated,nitrogen-containing plasma jet into an exhaust gas stream to decompose nitrogen oxide, no, to nitrogen |
| 07/16/1998 | WO1998030325A1 Adsorbent |
| 07/16/1998 | WO1998030313A1 Method of purifying gases |
| 07/16/1998 | WO1998030312A1 Method and device for purification of smoke and process gases |
| 07/16/1998 | DE19756359A1 Air cleaning plant e.g. using ammonia@ refrigerant |
| 07/16/1998 | DE19700490A1 Catalyst for decomposing nitrous oxide |