| 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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| 02/12/1992 | EP0470197A1 Catalytic combustion of soot from diesel engines. |
| 02/12/1992 | EP0470113A1 Metallic catalyst support mounted in a separating wall. |
| 02/12/1992 | CN1058545A Hybrid prepurifier for cryogenic air separation plants |
| 02/12/1992 | CN1015482B Method of removal of hydrogen sulfide |
| 02/11/1992 | WO1992002449A1 Process for recovering sulphur from a h2s-containing gas stream under high pressure |
| 02/11/1992 | US5087600 Process for producing a catalyst for denitration by catalytic reduction using ammonia |
| 02/11/1992 | US5087432 Method for the separation of acid from acid-laden vapors |
| 02/11/1992 | US5087431 Catalytic decomposition of cyanuric acid and use of product to reduce nitrogen oxide emissions |
| 02/11/1992 | US5087430 Passing through catalyst bed containing oxides of vanadium, molybdenum or tungsten, and titanium, silicon, or zirconium in presence of ammonia |
| 02/11/1992 | US5087428 Air purifying system |
| 02/11/1992 | US5087178 Oil flooded screw compressor system with moisture separation and heated air dryer regeneration, and method |
| 02/11/1992 | US5086831 Arrangement for the catalytic oxidation of the harmful components in a cooled carrier gas of a technical process |
| 02/11/1992 | CA2089263A1 Process for sulfur recovery from a gaseous stream containing hydrogen sulfide under high pressure |
| 02/11/1992 | CA2048878A1 Method and mechanism for the supersonic separation of droplets from a gas stream |
| 02/11/1992 | CA2048849A1 Thermally stable composite hydrogen-permeable metal membranes |
| 02/11/1992 | CA1295600C Catalyst compositions and methods of making same |
| 02/11/1992 | CA1295598C Process for removing nitrogen oxides from exhaust gases |
| 02/11/1992 | CA1295545C Method and device for compression of gases |
| 02/09/1992 | WO1992002295A1 Liquid distributor for gas-liquid contact apparatus |
| 02/09/1992 | CA2091468A1 Liquid distributor for gas-liquid contact apparatus |
| 02/09/1992 | CA2048574A1 Device for carrying out photochemical reactions |
| 02/09/1992 | CA2048479A1 Removing h2s from a sour gaseous stream |
| 02/09/1992 | CA2048461A1 Arsenic-resistant composite oxide catalyst and method for producing the same |
| 02/08/1992 | CA2048472A1 Methods for lowering the nitrogen oxides content of exhaust gases |
| 02/06/1992 | WO1992001922A1 POSTCOMBUSTION GAS TREATMENT SYSTEM AND PROCESS WITH NOx CONVERSION |
| 02/06/1992 | WO1992001505A1 Post-combustion catalysts |
| 02/06/1992 | WO1992001503A1 Adsorptive gas separator with inertial energy exchange |
| 02/06/1992 | WO1992001502A1 Method for the regeneration of an adsorption filter which contains (halogeno) hydrocarbons and for the removal of (halogeno) hydrocarbons from gases |
| 02/06/1992 | DE4024734A1 Katalysator fuer den einsatz in heissen abgasen und verfahren zu seiner herstellung Catalyst for the use in exhaust fumes glad and process for its manufacture |
| 02/06/1992 | DE4024271A1 Assembly for removal or redn. of ozone content in gas - by passing gas through vessel in which energy is introduced and heating |
| 02/06/1992 | DE4016457C1 Biologically cleaning exhaust air - using container holding solid bed in form of separate sections comprising spirally wound profiled plastic film covered with bio-film |
| 02/05/1992 | EP0469781A2 Separation of carbon dioxide and nitrogen from combustion exhaust gas with nitrogen and argon by-product recovery |
| 02/05/1992 | EP0469659A1 Simultaneous elimination of SO2 and H2S from off gases |
| 02/05/1992 | EP0469593A1 Process for the removal of nitrogen oxides from flue gases |
| 02/05/1992 | EP0469513A1 Coating of components of sulfur absorbants |
| 02/05/1992 | EP0469294A1 Process for eliminating ammonia from gases |
| 02/05/1992 | EP0469237A1 Process and device for converting molecules in a fluid stream |
| 02/05/1992 | EP0243488B1 Method and apparatus using a solid electrolyte in the form of a disk for the separation or pumping of oxygen |
| 02/05/1992 | CN1058451A Large diesel engine |
| 02/05/1992 | CN1058353A Composite clay materials for removal of sox from gas streams |
| 02/04/1992 | WO1992002302A1 Catalyst for use in hot exhaust gases and process for making it |
| 02/04/1992 | WO1992002292A1 Exhaust gas processor and exhaust gas processing equipment |
| 02/04/1992 | US5086033 Pyrlysis of carbon containing compound to narrow pore size by deposition |
| 02/04/1992 | US5086026 Reduction catalyst with modified rhodium structure |
| 02/04/1992 | US5085844 Sorption of trialkyl arsines |
| 02/04/1992 | US5085843 Removal by spray drying absorption, using slaked lime or limestone suspension |
| 02/04/1992 | US5085842 Purification of gases, solid, odorless, alkali and acid insoluble product; disposable |
| 02/04/1992 | US5085841 Platinum rhodium, rhenium catalyst mixture to enhance oxidation of carbonaceous fuel and inhibit oxidation of nitrogen; reduction of nitrogen oxides |
| 02/04/1992 | US5085840 Process for the reduction of nitrogen oxides contained in exhaust gases |
| 02/04/1992 | US5085839 Selective absorption with alkanolamine while monitoring temperature and controlling flow of amine |
| 02/04/1992 | US5085782 Reacting stream containing carbon dioxide and hydrogen sulfide with oxidizing agent |
| 02/04/1992 | US5085766 Filter for cleaning fluids |
| 02/04/1992 | US5085675 Process of regenerating a high-boiling scrubbing solution which contains CO2 and H2 S |
| 02/04/1992 | US5085674 Selective displacement; removal of light or heavy impurities; pressure or thermal swing |
| 02/04/1992 | US5085266 Motor vehicle filter in the inlet stream of a heating system or air-conditioning system of a motor vehicle |
| 02/04/1992 | US5085050 Exhaust gas purification system for an internal combustion engine using alcohol blended gasoline for fuel |
| 02/04/1992 | CA2088583A1 Catalytic converter for use in hot exhaust gases and process for making it |
| 02/04/1992 | CA1295190C Process for removing nitrous oxides from a gas |
| 02/04/1992 | CA1295128C Process and device for the bonding of salt-forming agents to solids during the combustion of fossil fuels, waste or the like |
| 02/02/1992 | WO1992002450A1 Nitrogen oxides reduction using a urea hydrolysate |
| 02/02/1992 | WO1992002291A1 Process for the in-line hydrolysis of urea |
| 02/02/1992 | CA2088576A1 Process for the in-line hydrolysis of urea |
| 02/01/1992 | CA2046842A1 Process for the removal of ammonia from gases |
| 02/01/1992 | CA2036746A1 Process and apparatus for absorption/adsorption material injection |
| 01/30/1992 | DE4122787A1 Catalytic converter monitoring schemes for an IC engine - using computed outlet temp. values useful for automobile engine management systems |
| 01/30/1992 | DE4023926A1 Simultaneous removal of sulphur di:oxide and hydrogen sulphide - from waste gas by two=stage countercurrent contact with suspension contg. zinc oxide and prods. |
| 01/30/1992 | DE4023722A1 Regeneratable adsorber for solvent vapour - comprises condenser and inflatable buffer store, for use with dry cleaning systems |
| 01/29/1992 | EP0468919A1 Large diesel engine |
| 01/29/1992 | EP0468665A1 Gas treatment or separation apparatus |
| 01/29/1992 | EP0468556A1 Method for reducing methane exhaust emissions from natural gas-fuelled engines |
| 01/29/1992 | EP0468540A1 Controlling emission of pollutants from coal-fired boiler systems |
| 01/29/1992 | EP0468205A1 Apparatus for treating exhaust gas |
| 01/29/1992 | EP0468055A1 Composition having air cleaning power |
| 01/29/1992 | EP0467989A1 Incinerator for complete oxidation of impurities in a gas stream. |
| 01/29/1992 | CN2094382U Heatless generating air drier for single drying bed |
| 01/28/1992 | US5084659 Method of operation of air cleaner |
| 01/28/1992 | US5084361 Catalytic exhaust systems, flat and corrugated steel sheets brazed together |
| 01/28/1992 | US5084258 Lin flue gas SOx /NOx removal process and its by-product utilization |
| 01/28/1992 | US5084257 Sulfur dioxide removal from stack gas |
| 01/28/1992 | US5084256 Injection an absorbent of calcium hydrate, magnesium hydrate a nd dolomite to purify flue gas |
| 01/28/1992 | US5084255 Purification of flue gas by adding calcium sulfate and magnesi um compounds also adding calcium oxide and recovering gypsum |
| 01/28/1992 | US5084080 Device for trapping gaseous compounds of refractory metals and pumping plant including same |
| 01/28/1992 | US5084075 Vacuum swing adsorption process for production of 95+% n2 from ambient air |
| 01/28/1992 | US5084074 Contacting an absorbant for water and hydrocarbons, desorption and condensation |
| 01/28/1992 | US5084073 Purification of feed gas by permeable membrane system, purging |
| 01/28/1992 | US5083930 Ground adapter |
| 01/28/1992 | CA2047660A1 Simultaneous removal of so2 and h2s from exhaust gases |
| 01/28/1992 | CA2022167A1 Process and apparatus using two-stage boiler injection for reduction of oxides of nitrogen |
| 01/28/1992 | CA1294760C Method of removing mercury from incinerator exhaust gas |
| 01/28/1992 | CA1294759C Method of removing mercury in exhaust gases from a waste incinerator |
| 01/28/1992 | CA1294758C System for the extraction and utilization of oxygen and other ligands from fluids |
| 01/28/1992 | CA1294757C Process of removing no _and so _from flue gases |
| 01/28/1992 | CA1294756C Process and device for the selective extraction of h s from gas mixtures |
| 01/26/1992 | CA2043360A1 Process for cleaning surfaces of interior parts in two-stage flue gas desulfurization plants |
| 01/25/1992 | WO1992001627A1 High surface area hydrated lime and methods |
| 01/25/1992 | WO1992001481A1 Methods for reducing sulfides in sewage gas |
| 01/25/1992 | CA2087166A1 Methods for reducing sulfides in sewage gas |
| 01/24/1992 | WO1992001504A1 Extraction and concentration of a gas component |
| 01/24/1992 | CA2047518A1 Membrane/deoxo control method and system |
| 01/23/1992 | WO1992000934A2 Ductile ceramic composites |