| 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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| 02/15/1995 | EP0638353A1 Membrane for the separation of carbon dioxide |
| 02/15/1995 | EP0638352A1 Membrane module for the removal of gazeous substances from a gas stream |
| 02/15/1995 | EP0638351A2 Process for removing mercury from H20 and S02 containing waste gases |
| 02/15/1995 | EP0638350A2 Sorption of NH3 with doped oxidic sorbents followed by the catalytic oxidation of the desorbed product |
| 02/15/1995 | EP0638349A1 Process to prevent combustion engine exhaust gas purification catalysts from poisoning |
| 02/15/1995 | EP0638158A1 Method for maintaining a nominal working temperature of flue gases in a pfbc power plant. |
| 02/15/1995 | EP0638140A1 Reactor for catalytically processing gaseous fluids. |
| 02/15/1995 | EP0637995A1 Catalysts suitable for removing sulphur compounds from industrial gases, process for preparing the same and their use. |
| 02/15/1995 | EP0637988A1 Method for purification of waste gases |
| 02/15/1995 | EP0637987A1 Process and device for separating gas mixtures formed above liquids |
| 02/15/1995 | EP0627953A4 Improved fluid fractionator. |
| 02/15/1995 | CN1098663A Method of and apparatus for drying flowing gas |
| 02/14/1995 | US5389351 Contacting gas with absorbent composition of sulfur dioxide in nonaqueous solvent to convert hydrogen sulfide to water and sulfur, passing to aqueous catalytic scrubbing stage to remove remaining hydrogen sulfide |
| 02/14/1995 | US5389350 From polyphenylene terephthalamide |
| 02/14/1995 | US5389343 Catalyst assembly and method for chemical process tower |
| 02/14/1995 | US5389325 High strength, high absorption capacity for gases and liquids |
| 02/14/1995 | US5389255 Module for performing pervaporation of fluids |
| 02/14/1995 | US5389248 Bioreactor for biological treatment of contaminated water |
| 02/14/1995 | US5389126 Circulating liquid around loop formed by tank and gas stripper, passing gas stream to membrane separation step |
| 02/14/1995 | US5389125 Volatile organic compounds; adsorption |
| 02/14/1995 | US5388406 NOx decreasing apparatus for an internal combustion engine |
| 02/14/1995 | CA2093180C Methods and systems for gas treatment |
| 02/14/1995 | CA2024154C Catalyst for reducing nitrogen oxides from exhaust gas |
| 02/14/1995 | CA1334402C Chemically activated shaped carbon, process for producing same and use thereof |
| 02/09/1995 | WO1995004211A1 METHOD FOR REDUCING NOx EMISSIONS FROM DIESEL ENGINES |
| 02/09/1995 | WO1995003967A1 Air dryer system |
| 02/09/1995 | WO1995003949A1 Membrane closure device |
| 02/09/1995 | WO1995003886A1 Bifunctional catalyst containing multimetal oxides |
| 02/09/1995 | WO1995003885A1 Reactive membrane for filtration and purification of gases of impurities and method utilizing the same |
| 02/09/1995 | WO1995003877A1 Base metal catalyst, catalytic support and two-stage process for the purification of vehicle exhaust gases |
| 02/09/1995 | WO1995003876A1 CATALYST FOR REMOVING SOx AND NOx FROM GASES, SPECIALLY IN FCC UNITS, AND PROCESS FOR THE PREPARATION THEREOF |
| 02/09/1995 | WO1995003875A1 Dynamic packed chamber scrubber |
| 02/09/1995 | WO1995003874A1 Solvent composition for removing acid gases |
| 02/09/1995 | WO1995003873A1 Method and apparatus for separating nitrogen-rich gas |
| 02/09/1995 | WO1995003867A1 Single-phase fluid dispensing, mixing and removing apparatus for beds of granular solids |
| 02/09/1995 | DE4426901A1 Process for purifying amine scrubbing liquors |
| 02/09/1995 | DE4334071C1 Process for reducing the nitrogen oxide concentration in the exhaust gas of an internal combustion engine or a combustion plant |
| 02/09/1995 | DE4326553A1 Dimensionally stable filter elements for biological exhaust air purification systems |
| 02/09/1995 | DE4326120A1 Exhaust gas cleaning apparatus |
| 02/09/1995 | CA2166533A1 Solvent composition for removing acid gases |
| 02/09/1995 | CA2166472A1 Air dryer system |
| 02/08/1995 | EP0637461A1 Precious metal catalysts for emissions |
| 02/08/1995 | EP0637359A1 Heating means for catalyst unit. |
| 02/08/1995 | EP0637262A1 Rotary device for separating at least one component of a gaseous mixture by adsorption |
| 02/08/1995 | EP0419539B1 Condensing sulfuric acid vapours to produce sulfuric acid |
| 02/08/1995 | CN2188991Y Device for removing fume |
| 02/08/1995 | CN2188990Y Waste gas washing column |
| 02/08/1995 | CN1098496A Method of and apparatus for processing humid absorbing medium |
| 02/08/1995 | CN1098369A Active carcoal filter used for gas discharge of oil box |
| 02/08/1995 | CN1098326A Removal and destruction of halogenated organic and hydrocarbon compounds with porous carbonaceous materials |
| 02/07/1995 | USH1417 Process for removing halogen gases from a gas stream containing carbon dioxide |
| 02/07/1995 | US5387734 Process for decomposing polyhalogenated compounds |
| 02/07/1995 | US5387569 Catalytic solution suitable for converting combustion emissions |
| 02/07/1995 | US5387565 Emission control device |
| 02/07/1995 | US5387407 Process for the recovery of ammonia from flue gases |
| 02/07/1995 | US5387406 Using fabric filter bag collector and absorbent |
| 02/07/1995 | US5387377 Active liquid distributor containing packed column |
| 02/07/1995 | US5387376 Process and apparatus for mass transfer between liquid and gaseous media |
| 02/07/1995 | US5387344 Withdrawing water stream from pond, contacting with air to produce aerated water stream and off-gas stream, returning water to pond, passing off-gas through fixed bed biofilter |
| 02/07/1995 | US5387277 Contacting stream of acid gas, hydrocarbon, hydrogen with aqueous solution to absorb acid gas, stripping hydrocarbon with hydrogen stream |
| 02/07/1995 | US5386690 Adding a solution of metal catalyst to intake air, transporting from combustion engine to exhaust system surface for adsorption; oxidation and reduction of auto emissions |
| 02/07/1995 | CA2005946C Composition and method for sweetening hydrocarbon |
| 02/06/1995 | CA2129471A1 Reforming |
| 02/02/1995 | WO1995003117A1 Process and device for cleaning and decomposing a gas mixture |
| 02/02/1995 | WO1995003116A1 Biological filter for removing volatile hydrophobic compounds from gas emissions |
| 02/02/1995 | WO1995003105A1 Process for increasing the acid gas absorption capacity of contaminated alkanolamine solutions |
| 02/02/1995 | WO1995003103A1 Arrangement for reducing the humidity content of a gaseous medium |
| 02/02/1995 | WO1995003015A1 A valve device for absorption of the gas components |
| 02/02/1995 | CA2168135A1 Arrangement for reducing the humidity content of a gaseous medium |
| 02/02/1995 | CA2167512A1 A valve device for absorption of the gas components |
| 02/01/1995 | EP0636770A1 Exhaust gas cleaning device for an internal combustion engine |
| 02/01/1995 | EP0636400A1 Hydrocarbon fractionation by adsorbent membranes |
| 02/01/1995 | EP0636399A2 A vessel baffle arrangement |
| 02/01/1995 | EP0636388A1 Process for the disposal of halons or halons containing fluorohydrocarbons or fluorochlorohydrocarbons |
| 02/01/1995 | EP0636110A1 Process for decreasing chlorine content of polychlorinated hydrocarbons |
| 02/01/1995 | EP0636107A1 Process and apparatus for recovering sulphur from a gas stream containing hydrogen sulphide |
| 02/01/1995 | EP0636052A1 Device for cleaning exhaust fumes. |
| 02/01/1995 | EP0617698A4 Aqueous ammonia injection scheme. |
| 02/01/1995 | EP0603227B1 Electric insulation of structures in a honeycombed body, in particular in a catalyzer bearing body that can be electrically heated |
| 02/01/1995 | CN1098072A Flat glass furnaces |
| 02/01/1995 | CN1098023A Operating method of gas membrane separator set for gas replacement |
| 01/31/1995 | US5385874 Ceramic compositions |
| 01/31/1995 | US5385689 Inert support containing active scavenging species formed by depositing sodium, potassium, rubidium and/or cesium or their alloys and pyrolyzing |
| 01/31/1995 | US5385633 Method for laser-assisted silicon etching using halocarbon ambients |
| 01/31/1995 | US5385603 Device for drying a gas |
| 01/31/1995 | CA2101676A1 Precious metal catalysts utilizing composites of oxygen-ion conducting and inert support materials |
| 01/31/1995 | CA1334193C Adsorbent composition and a method for removing mercury from a liquid hydrocarbon |
| 01/30/1995 | CA2101567A1 Pyrolitic destruction process for suspensions |
| 01/27/1995 | CA2128748A1 Reduction of nox emissions |
| 01/26/1995 | WO1995002655A1 METHOD FOR REDUCING EMISSIONS OF NOx AND PARTICULATES FROM A DIESEL ENGINE |
| 01/26/1995 | WO1995002450A1 Method and afterburner apparatus for control of highly variable flows |
| 01/26/1995 | WO1995002446A1 Process for the purification of inert gases |
| 01/26/1995 | WO1995002445A1 Gas stream odorant filtering apparatus and method |
| 01/26/1995 | DE4425775A1 Method for decreasing the ground-level ozone concentration in rooms and enclosed vehicles |
| 01/26/1995 | DE4336632A1 Device for contacting a fluid medium with a reaction-inducing material |
| 01/26/1995 | DE4324932A1 Process for treating reaction gases of aluminium fused-salt processing |
| 01/26/1995 | DE4324910A1 Process for the microbial disposal of nitrogen monoxide |
| 01/26/1995 | DE4324714A1 Closed biofilter vessel for purifying air and gas streams with a variable flow direction |
| 01/26/1995 | DE4324525A1 Process for purifying or treating contaminated gas |
| 01/26/1995 | DE4321462A1 Process for removing nitrogen-containing compounds from low-temperature pyrolysis gases |