| 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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| 06/21/1992 | CA2046987A1 Multiple bundle fluid separation apparatus |
| 06/18/1992 | WO1992011202A1 Process for producing formed active coke for desulfurization and denitrification with high denitrification performance |
| 06/18/1992 | CA2074093A1 Production process of formed activated coke for sox and nox removal having high nox-removing ability |
| 06/17/1992 | EP0490861A1 Process for extracting a substance present in a carrier gas as solid or liquid particles and apparatus therefor |
| 06/17/1992 | EP0490632A1 Continuous method for removing oil vapor from feed gases containing oil and water vapor |
| 06/17/1992 | EP0490414A1 Process for dedusting, desulfurisation and denitration of combustion exhaust gases |
| 06/17/1992 | EP0490322A1 Three-stage membrane gas separation process and system |
| 06/17/1992 | EP0490298A1 Wet-type exhaust gas desulfurization system having a means for supplying air |
| 06/17/1992 | EP0490222A1 Structure for electrically heatable catalytic core |
| 06/17/1992 | EP0490202A1 Activated carbon filter for separating noxious gases, such as dioxins and furans, from flue gases before entering the chimney |
| 06/17/1992 | EP0490199A1 Process for the removal of phosgene from waste gases |
| 06/17/1992 | EP0489910A1 Process for incinerating solid wastes and a process for treating solid wastes and a process for treating gases generated through incineration of these wastes |
| 06/17/1992 | EP0477267A4 Process for removing ionizable impurities from non-aqueous fluids |
| 06/17/1992 | EP0393029B1 Processing nitrogen-rich, hydrogen-rich, and olefin-rich gases with physical solvents |
| 06/17/1992 | EP0304480B1 Process for the reduction of nitrogen oxides in an effluent using sugar |
| 06/17/1992 | DE4201547A1 Contaminated metal recycling - uses decontamination furnace with exhaust gas heating to decompose toxic matter |
| 06/17/1992 | DE4104180C1 Removing acidic gases from combustion gases - comprises feeding gases through vortex reactor contg. dispersed ground chalk, passing hot gases through heat exchanger and electrostatic particle separator |
| 06/17/1992 | DE4039967A1 Anlage zur trennung von fluessigen oder gasfoermigen stoffgemischen Plant for separation of liquid or houses on gaseous fuel mixtures |
| 06/17/1992 | DE4039962A1 Destroying substances contg. chlorine, esp. PCB - by high temp. combustion and absorption of prods. |
| 06/17/1992 | DE4039952A1 Zeolite adsorber for exhaust catalytic converters - for emissions redn. during cold start=up period of diesel engines |
| 06/17/1992 | DE4039951A1 Heat resistant adsorption filter with low pressure loss - with plates coated with adsorbent, e.g. zeolite or active carbon@ |
| 06/17/1992 | CN1061917A Catalytic decomposition of cyanuric acid and use of product to reduce nitrogen oxide emissions |
| 06/17/1992 | CN1061916A Process and apparatus for removal of sulfur from dust-containing flue gas |
| 06/17/1992 | CN1061915A Process for simultaneously removing sulfur and nitrogen in furnace |
| 06/17/1992 | CN1061914A Dusting and desulfurizing technology for smoke of coal-fired boiler |
| 06/17/1992 | CN1017027B Method of halogenated hydrocarbon recovery from gaseous fluid |
| 06/16/1992 | US5122358 Process for the purification of exhaust gases |
| 06/16/1992 | US5122355 For dry, high purity nitrogen obtained by separation from air |
| 06/16/1992 | US5122353 Using alkali and alkaline earth sorbents |
| 06/16/1992 | US5122352 Heat exchanger and pollutant removal system |
| 06/16/1992 | US5122351 Method and apparatus for removing H2 S from a process gas and recovering sulfur |
| 06/16/1992 | US5122318 Process for producing an atmosphere for the manufacture of high performing composite elements |
| 06/16/1992 | US5122310 Gas/liquid distributor for a counter-current column |
| 06/16/1992 | US5122170 Protective device for maintaining the concentration of sulfur oxides and nitrogen oxides below predetermined level |
| 06/16/1992 | US5122169 Chemical recovery scrubbing system |
| 06/16/1992 | US5122164 Pressure swing adsorption |
| 06/16/1992 | US5121601 Diesel engine exhaust oxidizer |
| 06/16/1992 | CA1303333C Sulfur dioxide removal from gas streams using hydroxyalkyl substituted piperazinones |
| 06/16/1992 | CA1303332C Process of simultaneously removing nitrogen oxides and sulfur dioxide from an oxygen-containing exhaust gas |
| 06/14/1992 | CA2055851A1 Continuous method for removing oil vapor from feed gases containing water vapor |
| 06/13/1992 | CA2050230A1 Structure for electrically heatable catalytic core |
| 06/11/1992 | WO1992009848A1 Palladium partial combustion catalysts and a process for using them |
| 06/11/1992 | WO1992009528A1 Method for preparing calcium and/or magnesium hydroxide, and use thereof |
| 06/11/1992 | WO1992009365A1 A catalyst structure having integral heat exchange (ii) |
| 06/11/1992 | WO1992009356A1 Combustion gas desulfurization method |
| 06/11/1992 | DE4126944A1 Filter process for absorption of aerosol hydrocarbon droplets from air - using filter material consisting of polypropylene@ fibre |
| 06/11/1992 | DE4038905A1 Utilising carbon oxide(s) in flue gas - by feeding with hydrocarbon waste into synthesis gas, fuel gas or other useful gas generator |
| 06/11/1992 | DE4038735A1 Gas separator for sepg. gases from gas mixt. selectively - has 1st wall section of partition of piezoelectric crystal with electrodes and 2nd wall section forms adjustable gap |
| 06/11/1992 | CA2057253A1 Three stage membrane gas separation process and system |
| 06/10/1992 | EP0489555A1 Hydrogen and carbon monoxide production by hydrocarbon steam reforming and pressure swing adsorption purification |
| 06/10/1992 | EP0489433A1 Catalyst for purifying exhaust gas |
| 06/10/1992 | EP0489431A2 Semipermeable membranes based on certain sulfonated substituted polysulfone polymers |
| 06/10/1992 | EP0489241A1 Apparatus for treating substances in a gas stream |
| 06/10/1992 | EP0489133A1 Method for manufacturing activated carbon from cellulosic material. |
| 06/10/1992 | EP0489078A1 Process and device for disposing of organic vapours, in particular solvent vapours. |
| 06/10/1992 | EP0489073A1 Apparatus and method for treatment of gas. |
| 06/10/1992 | CN2106653U Bed-type flue-gas devulcanizer with water-cart drip washing buckets |
| 06/10/1992 | CN1016960B Process and apparatus for removing oxides of nitrogen and sulfur from combustion gases |
| 06/09/1992 | US5120695 Reducing catalyst with coating of oxidation catalyst |
| 06/09/1992 | US5120693 Bonded adsorbent agglomerates |
| 06/09/1992 | US5120518 Method and apparatus for the treatment of a waste gas containing dusts and chemical contaminants |
| 06/09/1992 | US5120517 Process for the removal of sulfur oxides and nitrogen oxides from flue gas |
| 06/09/1992 | US5120516 Introducing alkylamine to reduce nitrogen oxides to nitrogen |
| 06/09/1992 | US5120515 Simultaneous dehydration and removal of residual impurities from gaseous hydrocarbons |
| 06/09/1992 | US5120508 Converting portion of nitrogen monoxide to nitrogen dioxide |
| 06/09/1992 | US5120332 Gas resonance device |
| 06/09/1992 | US5120331 Composite gas filtering unit |
| 06/09/1992 | US5120329 Semipermeability membranes; preferential for oxygen, nitrogen and carbon dioxide |
| 06/09/1992 | US5119640 Freeze-thaw air dryer |
| 06/09/1992 | US5119616 Method of fabricating an adsorbent packet with integral heat shield |
| 06/09/1992 | CA2057240A1 Process and apparatus for removing dust, sulfur compounds and nitrogen oxides from combustion exhaust gases |
| 06/09/1992 | CA1302930C Procedure for microbiological transformation of sulphur containing harmful components in exhaust gases |
| 06/09/1992 | CA1302906C Adsorption process |
| 06/09/1992 | CA1302904C High recovery spiral wound membrane element |
| 06/09/1992 | CA1302707C Process for removing sulfur gases from a combustion gas |
| 06/09/1992 | CA1302684C Microporous membrane trickle bed reactor |
| 06/08/1992 | CA2056882A1 Process for extracting a liquid or solid particle substance in a carrier gaseous fluid and system using such process |
| 06/06/1992 | WO1992010428A1 Fluid purification |
| 06/06/1992 | CA2056930A1 Semipermeable membranes based on certain sulfonated substituted polysulfone polymers |
| 06/06/1992 | CA2055520A1 Hydrogen and carbon monoxide production by hydrocarbon steam reforming and pressure swing adsorption purification |
| 06/05/1992 | WO1992010270A1 Process for the removal of sulphur compounds from gases |
| 06/04/1992 | DE4138866A1 Preventing catalyst loss in calcium sulphate prodn. from sulphite - using soluble sulphate to prevent pptn. and occlusion of transition metal catalyst |
| 06/04/1992 | DE4135018A1 Passing fluid over bed of catalyst or adsorbent - by dividing fluid into two for radial flow of fluids in reactor, for cleaning car exhaust, industrial effluent or processing etc. |
| 06/04/1992 | DE4038068A1 Appts. for reducing carbon di:oxide emission for gas-fired plant or car - by spraying milk of lime into reaction zone |
| 06/04/1992 | DE4037618A1 Removal of hazardous substances from hot exhaust gas - using temp. reduction pre-absorber followed by spray columns |
| 06/03/1992 | EP0488716A1 Sintered metal bodies and manufacturing method therefor |
| 06/03/1992 | EP0488515A1 A method of making a catalyst for use in automotive exhaust gas treatment |
| 06/03/1992 | EP0488514A1 A method of making a catalyst for use in automotive exhaust gas treatment |
| 06/03/1992 | EP0488477A1 Process for removing hydrogen sulphide from a sour gas |
| 06/03/1992 | EP0488347A1 Diesel engine exhaust gas-purifying catalyst |
| 06/03/1992 | EP0488331A1 Method and filter for removing nitrogen oxides and organic chlorine compounds from combustion waste gas |
| 06/03/1992 | EP0488250A1 Method for catalytically purifying exhaust gas |
| 06/03/1992 | EP0488235A1 Sorption of trialkyl arsines |
| 06/03/1992 | EP0488234A1 Trialkyl arsine sorbents |
| 06/03/1992 | EP0488105A1 Activated carbon, production thereof and its use for adsorption |
| 06/03/1992 | EP0487913A1 Highly reactive reagents and compositions for the purification of waste gas and waste water, their preparation and their use |
| 06/03/1992 | EP0487886A1 Process and device for selective catalytic NOx reduction in exhaust gases containing oxygen |
| 06/03/1992 | EP0487834A1 Oxidative washing process for cleaning waste gases |
| 06/03/1992 | EP0487750A1 Method for making aggregate for construction material from infectious medical wastes |
| 06/03/1992 | EP0487705A1 Process for the removal of hydrogensulphide (h 2?s) from biogas. |