| 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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| 07/15/1998 | EP0853334A1 Optoelectronic material, device using the same, and method for manufacturing the same |
| 07/15/1998 | EP0852967A1 Fluid fuel reforming ceramic catalysts and their manufacturing methods |
| 07/15/1998 | EP0852966A1 Exhaust gas purifying catalyst and exhaust gas purifying method |
| 07/15/1998 | EP0852964A1 Catalytic removal of acetylene during air separation |
| 07/15/1998 | EP0852662A2 Process and device for reacting a pollutant in an exhaust gas on a catalyst |
| 07/15/1998 | EP0852661A2 Process and device for metering the introduction of a reducing agent into the waste gas or air stream of a combustion unit |
| 07/15/1998 | EP0852565A1 Sulfur recovery process using sulfur debonding agent |
| 07/15/1998 | EP0852512A2 Method and device for decomposing oxides of nitrogen in the exhaust gases from an internal-combustion engine |
| 07/15/1998 | EP0662019A4 Method for making a ceramic metal composite. |
| 07/15/1998 | CN2286068Y Dry process nitrogen oxide waste gas treatment apparatus |
| 07/15/1998 | CN1187781A Gas passage with selectively acting penetration surface and process for producing penetration surface |
| 07/15/1998 | CN1187780A Diesel engine exhaust gas catalyst and method of use thereof |
| 07/15/1998 | CN1187779A Catalytic vent gas treatment system for abatement of volatile chemical emissions |
| 07/15/1998 | CN1187778A Catalytic purification process and device for exhaust gas from combustion system |
| 07/15/1998 | CN1187777A Effluent treatment system |
| 07/15/1998 | CN1187613A Method and device for treating waste gas from smelting furnace |
| 07/15/1998 | CN1187384A Catalyst for purifying exhaust gas from internal combustion engine and purifying method thereof |
| 07/15/1998 | CN1187383A Synthesis clean gas |
| 07/15/1998 | CN1187382A Method for removing sulfur dioxide and nitrogen oxides from combustion gases |
| 07/15/1998 | CA2226591A1 Method for production of nitrogen using oxygen selective adsorbents |
| 07/14/1998 | US5780386 Metallic support |
| 07/14/1998 | US5780384 Inert support having deposited on surface delta manganese dioxide hydrate and noble metal; resists sulfur poisoning |
| 07/14/1998 | US5780293 System and method for capturing and destroying HAP/VOC substances using microbial degradation |
| 07/14/1998 | US5780002 Exhaust gas cleaner and method for cleaning exhaust gas |
| 07/14/1998 | US5780001 Sulfur absorbents |
| 07/14/1998 | US5780000 Absorbing hydrogen sulfide, oxidizing, releasing sulfur dioxide |
| 07/14/1998 | US5779999 Method for scrubbing flue gases |
| 07/14/1998 | US5779993 Liquid-phase catalyst-assembly for chemical process tower |
| 07/14/1998 | US5779991 Apparatus for destroying hazardous compounds in a gas stream |
| 07/14/1998 | US5779972 Heat resisting alloys, exhaust valves and knit meshes for catalyzer for exhaust gas |
| 07/14/1998 | US5779912 Photocatalytic oxidation of organics using a porous titanium dioxide membrane and an efficient oxidant |
| 07/14/1998 | US5779897 Hollow fiber membrane device with inert filaments randomly distributed in the inter-fiber voids |
| 07/14/1998 | US5779879 Apparatus and method for reducing harmful substances in combustion gases |
| 07/14/1998 | US5779773 Receptacle having a grille therein for supporting an active material |
| 07/14/1998 | US5779771 Rotating flow distributor assembly for use in continuously distributing decontamination and regeneration fluid flow |
| 07/14/1998 | US5779770 Magnetic field type oxygen enriched air producing apparatus |
| 07/14/1998 | US5779768 Recovery of volatile organic compounds from gas streams |
| 07/14/1998 | US5779767 Use of zeolites and alumina in adsorption processes |
| 07/14/1998 | US5779766 Gas separation with lithium-containing ZSM-2 metallosilicates |
| 07/14/1998 | US5779763 Process for recovering semiconductor industry cleaning compounds |
| 07/14/1998 | US5779748 Method which removes odor and pollutants when preparing cullet for use in an electrostatic bed filter |
| 07/14/1998 | US5779464 Calcium carbonate sorbent and methods of making and using same |
| 07/14/1998 | US5778667 Method and a device for purifying combustion exhaust gas |
| 07/14/1998 | US5778664 Catalytic oxidation/reduction of gaseous hydrocarbon, carbon monoxide, nitrogen oxide and oxygen in exhaust system of internal combustion engine using photocatalyst selected form titanium oxide, tin oxide and zinc oxide |
| 07/14/1998 | CA2130686C Process for the production of hydrocarbon partial oxidation products |
| 07/10/1998 | CA2226592A1 Catalytic removal of acetylene during separation of air |
| 07/09/1998 | WO1998029692A1 Combustion equipment for flue gas exhausting plants |
| 07/09/1998 | WO1998029646A1 Turbo-charged internal combustion engine |
| 07/09/1998 | WO1998029369A1 Method for recovering gas from hydrates |
| 07/09/1998 | WO1998029368A1 Process for selectively separating hydrogen, or both hydrogen and carbon monoxide from olefinic hydrocarbons |
| 07/09/1998 | WO1998029341A1 Composite zirconium-cerium oxide, process for the preparation thereof, and cocatalyst for cleaning exhaust gas |
| 07/09/1998 | WO1998029338A1 Zeolite ssz-45 |
| 07/09/1998 | WO1998029337A1 Zeolite ssz-47 |
| 07/09/1998 | WO1998029336A1 Zeolite ssz-48 |
| 07/09/1998 | WO1998029188A1 Exhaust gas purification catalyst and waste gas purification method |
| 07/09/1998 | WO1998029182A1 High frequency pressure swing adsorption |
| 07/09/1998 | WO1998029181A1 Effluent gas stream treatment system for oxidation treatment of semiconductor manufacturing effluent gases |
| 07/09/1998 | WO1998029180A1 Reactor gasifying engine particulates and unburned hydrocarbons |
| 07/09/1998 | WO1998029178A1 Inlet structures for introducing a particulate solids-containing and/or solids-forming gas stream to a gas processing system |
| 07/09/1998 | DE19800454A1 Reactor tower for deodorising gases using a precious metal catalyst |
| 07/09/1998 | DE19700340A1 Air filter |
| 07/09/1998 | DE19700199A1 Cleaning of urban atmosphere |
| 07/09/1998 | CA2273054A1 Method for recovering gas from hydrates |
| 07/08/1998 | EP0852325A2 Cryogenic hybrid system for producing low purity oxygen and high purity nitrogen |
| 07/08/1998 | EP0852220A1 A wet-processing method for combustion ashes of petroleum fuels, containing ammonium sulfate and a method of utilizing ammonia components recovered by the wet-processing method |
| 07/08/1998 | EP0852159A2 Process for the desulphurization of gaseous substrate |
| 07/08/1998 | EP0851979A1 Air drying device for a pneumatic system |
| 07/08/1998 | EP0851839A1 Method of manufacturing high purity calcium carbonate |
| 07/08/1998 | EP0851835A1 Method of processing fluorine-contaminated hydrochloric acid arising from waste treatment |
| 07/08/1998 | EP0851787A1 Process for selective oxidation |
| 07/08/1998 | EP0820339A4 Modular air-cleaning system |
| 07/08/1998 | EP0815185A4 Utilization of platinum group in diesel engines |
| 07/08/1998 | EP0812234A4 Membrane process for treatment of chlorine-containing gases |
| 07/08/1998 | EP0783360A4 Electrically conductive sorption system and method |
| 07/08/1998 | EP0765454B1 High temperature acid gases and particulate removal in waste incineration process |
| 07/08/1998 | EP0754090B1 Method for obtaining secondary aluminium |
| 07/08/1998 | EP0754089B1 Method of purifying oven exhaust gases |
| 07/08/1998 | EP0684931B1 Method for desulfurizing a gas |
| 07/08/1998 | CN2285678Y High-efficiency dust-removal desulfurizing device for boiler |
| 07/08/1998 | CN2285677Y 干燥过滤器 Dry filter |
| 07/08/1998 | CN2285676Y Steam purifying and ammonia removing device |
| 07/08/1998 | CN1187263A Electrically insulation and gastight feedthrough |
| 07/08/1998 | CN1187148A Process and device for reducing pollutants, especially nitrogen oxides in combustion exhaust gases |
| 07/08/1998 | CN1186942A Technical method for industrial waste gas deep cooling and purifying and power generation and its device |
| 07/08/1998 | CN1186842A Treating method for hydrogen sulfide and sulfur dioxide containing gas, comprising a desulfurizing step by cooling gaseous effluent |
| 07/08/1998 | CN1186797A Method for gas dehydration and deaerating deoiling conprising two supplementing solvent regeneration stage |
| 07/08/1998 | CN1186715A Process for purifying gas and apparatus for implementation of such process |
| 07/08/1998 | CN1186714A Rotary pipe type combined carbon tube adsorption device and purifying system |
| 07/08/1998 | CN1039007C Process for elimination of waste material during manufacturing of acrylonitrile |
| 07/08/1998 | CA2226023A1 Process for scrubbing ammonia and hydrogen sulfide from a fluid acid stream |
| 07/07/1998 | US5777058 Metallo-oxomeric scrubber compositions |
| 07/07/1998 | US5776850 Crystal having channels uniformly impregnated with sodium sulfite or bisulfite |
| 07/07/1998 | US5776568 Hollow body with an internal supporting frame |
| 07/07/1998 | US5776423 Denitrification catalyst |
| 07/07/1998 | US5776420 Apparatus for treating a gas formed from a waste in a molten metal bath |
| 07/07/1998 | US5776419 Purifying device for car exhuast or kerosene fan heater |
| 07/07/1998 | US5776417 Emissions control |
| 07/07/1998 | US5776331 Process to remove sulfur using zinc containing sorbent subjected to steam treatment |
| 07/07/1998 | US5776228 Vapor storage canister with foam screen retainer |
| 07/07/1998 | US5776227 Vapor storage canister with foam screen retainer |