Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › 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
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)
09/1991
09/10/1991US5046921 Moisture-removal device for a compressed air system
09/10/1991CA2037814A1 Catalyst and method for catalytically decomposing nitrogen oxides
09/10/1991CA1288580C Process and installation using ammonia
09/06/1991WO1991014143A1 Refrigeration process with purge and recovery of refrigerant
09/06/1991WO1991014010A1 Method for cleaning and recovering metal mercury from roasting gases containing it
09/06/1991CA2076346A1 Refrigeration process with purge and recovery of refrigerant
09/06/1991CA2054744A1 Method for cleaning and recovering metal mercury from roasting gases containing it
09/05/1991WO1991012878A1 Method for catalytic gas cleaning
09/05/1991WO1991012877A1 Method and means for removing mercury from the fumes from an incinerator
09/05/1991WO1991012875A1 Disposal of flue gases
09/05/1991WO1991012865A1 High efficiency distributor for gas-liquid contact column and method of preparation and use
09/05/1991WO1991012829A1 Method and apparatus for improving efficiency of fluid use and odor control in in-vessel composting systems
09/05/1991DE4006735A1 Gas-fired heating unit operation - for low nitrogen oxide(s) emission, using oxidn. catalyst to reduce carbon mon:oxide emission
09/04/1991EP0445041A1 Process for separating gas mixings from petroleum refineries
09/04/1991EP0444995A1 Adsorption cartridge and apparatus for separating gas mixtures
09/04/1991EP0444504A2 Method of using at least one component of a flue gas
09/04/1991EP0444422A1 Production of high purity argon
09/04/1991EP0444193A1 Membrane element and membrane apparatus for extracting super-pure hydrogen from gaseous hydrogen-containing mixtures
09/04/1991EP0444166A1 Disposable oxide carrier for scavenging hydrogen sulfide.
09/04/1991EP0444138A1 Electrocatalyst, methods for preparing it, electrodes prepared therefrom and methods for using them.
09/04/1991CN2083953U Smoke eliminating and desulfuring duster for low resistance kiln
09/04/1991CN1054199A Process and device for desnitrate and desulfate of hot waste gases
09/04/1991CN1013763B Method for removing so2 from gas streams
09/04/1991CN1013736B Dedusting and desulphurizing technique and equipment of boiler smoke
09/04/1991CN1013735B Process for microbiological transformation of sulphur containing harmful components in exhaust gases
09/03/1991WO1991012874A1 Method for producing oxygen by adsorption separation from air
09/03/1991USRE33678 Having the membranes positioned within an insulated enclosure heated to maintain superheat conditions for the feed gas (air)
09/03/1991US5045522 Absorption composition comprising zinc titanate for removal of hydrogen sulfide from fluid streams
09/03/1991US5045521 Aluminum oxide carrier doped with cerium and zinc oxide, active phase of platinum, palladium and/or rhodium
09/03/1991US5045516 Pure Titanium Oxide, Molybdenum trioxide
09/03/1991US5045292 Process for the removal of nitric oxides from flue gases
09/03/1991US5044424 Heat generator
09/03/1991US5044166 Refrigeration process with purge and recovery of refrigerant
09/03/1991CA2054199A1 Process for producing oxygen by adsorption separation from air
09/03/1991CA2037370A1 Adsorption vessel and plant for separation of gaseous mixtures
09/03/1991CA1288215C Process for the elimination of sulfur oxides carried in a gas, by means of anabsorbant mass that can be regenerated through a reaction with hydrogen sulfide
09/02/1991CA2034894A1 High efficiency distributor for gas-liquid contact column and method of preparation and use
08/1991
08/29/1991WO1991012885A1 Selective adsorbent for ammonuim ion and ammonia and preparation thereof
08/29/1991DE4039554A1 Hybrid process intensifying wet gas cleaning - with integrated heat recovery for brown coal fired furnaces
08/29/1991DE4039553A1 Modular hybrid plant intensifying wet gas cleansing - with integrated heat recovery for brown coal fired furnaces
08/29/1991DE4027404A1 Nitric oxide oxidn. in gas stream by scrubbing with nitric acid - contg. nitrous acid by desorbing of acid cpds. into gas and replacing nitrous acid
08/29/1991DE4006162A1 Bituminous limestone processing - for simultaneous prodn. of electric current, portland cement and calcium sulphate
08/29/1991DE4006104A1 Utilisation of carbon di:oxide in the synthesis of hydrocarbon(s) - by combustion of hydrocarbon-contg. waste with oxygen, cooling flue gases in waste-heat boiler and cleaning in gas purifier
08/29/1991CA2053291A1 Ammonium ion-and ammonia-selective adsorbent and process for preparation of same
08/28/1991EP0443905A1 Catalyst for the treatment of exhaust gases and process for the treatment of these exhaust gases
08/28/1991EP0443765A1 Catalyst composition containing segregated platinum and rhodium components
08/28/1991EP0443698A1 Metal alloy suitable for chemisorption and process for gas purification
08/28/1991EP0443673A1 Method and device for removing gas, vapors, mists and dusts from industrial rooms
08/28/1991EP0443661A1 Removing solids, haloic acid, COS and H2S from a feed gas
08/28/1991EP0443645A2 Exhaust gas purification process
08/28/1991EP0443499A1 Non-welded support plate or bed limiter for packed towers and method of making same
08/28/1991EP0443207A2 Monomer exhaust system
08/28/1991EP0443206A2 Process for preparing hollow filament stacks
08/28/1991EP0442984A1 An air cleaning unit
08/28/1991CN1054129A Process for intrafurnace desulfurization
08/28/1991CN1054015A Catalysts for treatment of gaseous efflux and process for treatment of gaseous efflux
08/28/1991CN1013647B Catalyst precursors
08/28/1991CN1013644B Deoxidizing agent and its use
08/28/1991CN1013643B Catalytic conversion method for waste gas contained hydrocarbon halohydrocarbon and carbon monoxide
08/28/1991CN1013642B Method for scrubbing pollutants from exhaust gas stream
08/28/1991CN1013641B Method and apparatus for treating process gases
08/27/1991US5043311 Ceramic or metallic support with active metal oxide; concentration gradient from core to edge
08/27/1991US5043150 Reducing emissions of N2 O when burning nitrogen containing fuels in fluidized bed reactors
08/27/1991US5043146 Denitration reactor
08/27/1991US5043112 Process for forming articles comprising poly(phenylene sulfide) (PPS)
08/27/1991US5043067 Cross-flow permeator
08/27/1991US5042998 Device for treating or mixing components in gas or liquid streams
08/27/1991US5042995 Pressure swing adsorption with intermediate product recovery using two adsorption zones
08/27/1991US5042994 Control of pressure swing adsorption operations
08/27/1991CA1288087C Process and composition for the removal of hydrogen sulfide from gaseous streams
08/27/1991CA1288060C Gas separating
08/24/1991WO1991012876A1 Method and apparatus for purification of waste gases
08/24/1991CA2075379A1 Method and apparatus for purification of waste gases
08/23/1991CA2034063A1 Catalyst composition containing segregated platinum and rhodium components
08/22/1991WO1991012084A1 Nozzle device
08/22/1991WO1991012076A1 Composition having air cleaning power and preparation thereof
08/22/1991WO1991012069A1 Process and device for treating fluids by means of a pourable solid by the counterflow method
08/22/1991WO1991012052A1 Process for environmentally safe disposal of noxious solid, liquidand/or gaseous substances at temperatures of 400 to 1800 degrees
08/22/1991DE4040246A1 Descending bed reactor for treating combustion fumes - has conical base section of overlapping slats through which fumes pass into reactor to give no dead zones
08/22/1991DE4029222C1 Economical and efficient tritium sepn. - involves passing gas to molten electrodes to ionise molecules, wash tower for absorption and condensate prodn.
08/22/1991DE4005132A1 Hollow filament material stack - uses polygonal drum to wind layers for segments to be taken as a stack
08/22/1991DE4004911A1 Appts. for cleaning rising combustion fumes - comprises descending solids bed has operation interrupted during extn. for replacement of used solids
08/22/1991DE4004866A1 Desulphurisation of flue gas from steam boiler with dust or grate fire - by spraying with e.g. limestone or callicium hydroxide suspension under pressure
08/22/1991DE4004647A1 Non-foaming aq. multiphase agent for washing gases - comprising water, water-insoluble oil, surfactant and finely divided inert solid
08/22/1991DE4004571A1 Parallel rotating discs for wet-cleaning combustion gases - passes collected combustion fume particles through chemically-laden water bath for removal by scrapers
08/22/1991DE4004482A1 Periodically regeneration compressed air dryer in pneumatic system - by valve controlled air passage venting compressed air directly to atmos. via dryer
08/21/1991EP0442677A2 Process for dehydration of gases
08/21/1991EP0442445A2 Fluid separation device
08/21/1991EP0442250A2 Control method with redox-potential
08/21/1991EP0442157A1 A method for the purification of contaminated water and apparatus for carrying out said method.
08/21/1991EP0442146A1 Process for recovery of hydrocarbons
08/21/1991EP0442110A1 Process for biological purification of waste air with a trickle filter system
08/21/1991EP0442080A1 Non-foaming or low-foaming agent for the purification of gases or exhaust gases and method for the purification of gases or exhaust gases
08/21/1991EP0442079A1 Non-foaming or low-foaming agent for the purification of gases or exhaust gases and method for the purification of exhaust gases
08/21/1991EP0442078A1 Method and agent for the purification of gases and exhaust gases
08/21/1991EP0442074A1 Method and apparatus for treating absorbent solution slurry containing fly ash
08/21/1991CN2083068U Adjustable regenerative dryer
08/21/1991CN1053899A Catalyst for purification of exhaust gases of internal combustion engines
08/21/1991CA2035742A1 Non-welded support plate or bed limiter for packed towers and method of making same
08/20/1991US5041517 Two-component polyurethane adhesive
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