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)
10/1991
10/24/1991DE4111264A1 Catalyser for internal combustion engine exhaust gases - has conical body and housing, with binding layer between them
10/24/1991DE4110646A1 Adsorbent for alcoholic fuel vapours - contg. zeolite of silicon-aluminium mol ratio of not less than 10, and opt. binder
10/24/1991DE4101658A1 Filtermaterial fuer kraftfahrzeuge Filter material for motor vehicles
10/24/1991DE4032610A1 Shape stable hollow catalyst support - formed by metallising lost pattern of convolute shape, used in organic synthesis and flue gas cleaning
10/24/1991DE4012744A1 Assembly to render gases safe for atmos. release - includes absorber contg. active carbon bed, cooler, separator, blower and heater
10/24/1991DE4012496A1 Textile finishing plant - has clean air emission and effluent recycling equipment
10/24/1991CA2059281A1 Process for purification of exhaust gases, in particular from waste incinerators
10/24/1991CA2040883A1 Enhanced performance of alumina for the removal of low-level fluorine from gas streams
10/23/1991EP0453202A1 Pre-purification of air for separation
10/23/1991EP0453005A1 Process for scrubbing flue gases
10/23/1991EP0452630A1 Process for the reconditioning of catalysts
10/23/1991EP0452468A1 PROCESS FOR REDUCING THE NO x? CONTENT IN FURNACE FLUE GASES
10/23/1991EP0211034B1 Method and apparatus for increasing the turbulence in a gas exposed to low frequency sound
10/23/1991CN1014447B Regeneration for absorbing dry material
10/22/1991US5059576 Catalyst for removing nitrogen oxides and a process for producing the same
10/22/1991US5059575 Ceramic of a heat-resistant oxide, cerium/iv/ oxide and an alkali metal oxide; diesel engine exhaust systems
10/22/1991US5059569 Process and catalyst for selective reduction of nitrogen oxides
10/22/1991US5059406 Desulfurization process
10/22/1991US5059405 Process and apparatus for purification of landfill gases
10/22/1991US5059374 Method for sealing a hollow fiber membrane module in a case
10/22/1991US5059327 Polyvinyl alcohol-polystyrenesulfonic acid reaction product on porous support
10/22/1991US5059291 Hydrogen ion conductor membrane, porous electrodes, collecting electrodes
10/22/1991US5058514 Injecting aqueous slurry of limestone and nitrogenous progenitor compound; sulfur dioxide and nitrogen oxides stimultaneously removed
10/22/1991US5058394 Hybrid air conditioning system subsystem integration
10/22/1991CA1291023C Argon and nitrogen coproduction process
10/22/1991CA1290923C Treatment of gas mixtures
10/22/1991CA1290922C Method of purifying exhaust gas
10/22/1991CA1290921C Oxygen enriched claus system with sulfuric acid injection
10/22/1991CA1290919C Decomposition of ammonium thiocyanate
10/21/1991CA2040745A1 Process and device for the production of ultra-pure nitrogen
10/20/1991CA2015069A1 Process and adsorbent for separating co from a mixture thereof with hydrocarbon
10/19/1991CA2037839A1 Process of purifying exhaust gas
10/18/1991WO1991016575A1 Method and apparatus for reducing emissions of n2o when burning nitrogen-containing fuels in fluidized bed reactors
10/17/1991WO1991015868A1 Process, composition, and apparatus for purifying inert gases to remove lewis acid and oxidant impurities therefrom
10/17/1991WO1991015714A1 Super-equilibrium desulfurization of sulfur containing products of combustion
10/17/1991WO1991015284A1 Membrane separation process for dehydrating a gas or vapour or liquid mixture by pervaporation, vapour permeation or gas separation
10/17/1991DE4012119A1 Air cleaning catalytic oxidiser and ancillaries - using oil as fuel and comprises cold air blower, heat absorbing side of heat exchanger, heater, oxidn. reactor with catalyst, etc.
10/16/1991EP0452003A2 Process for selective separation with high pressure facilitated membranes
10/16/1991EP0451922A1 Process for the removal of sulfur dioxide from waste gas
10/16/1991EP0451715A1 Apparatus for separating polar gases
10/16/1991EP0451677A2 Vacuum swing adsorption process for production of 95+% N2 from ambient air
10/16/1991EP0451325A2 Plant for processing cold water and brine
10/16/1991EP0451291A1 Catalyst for nitrogen oxide decomposition and method of cleaning nitrogen oxide-containing exhaust gas
10/16/1991EP0451207A1 Method for reducing emissions from or increasing the utilizable energy of fuel for powering internal combustion engines.
10/16/1991EP0348388B1 Catalyst carrier body
10/16/1991CN1055306A Blast furnace gas fully-dried type electric dust cleaning device and dust cleaning method
10/15/1991US5057641 High pressure facilitated membranes for selective separation and process for the use thereof
10/15/1991US5057483 Catalyst composition containing segregated platinum and rhodium components
10/15/1991US5057482 Catalytic composite for purifying exhaust gases and a method for preparing the same
10/15/1991US5057298 Process for recovery of sulfur values from a gas stream
10/15/1991US5057296 Sintering oxides, quaternary ammonium compounds, auxilliary hydrocarbons, and amines
10/15/1991US5057293 Multi-stage process for reducing the concentration of pollutants in an effluent
10/15/1991US5057242 Supported metal alkyl activated by chlorosilane
10/15/1991US5057128 Rotary adsorption assembly
10/15/1991US5057125 Multistage compressions, adsorption
10/15/1991US5056591 Method and apparatus for conducting a thermochemical absorption and desorption reaction between a gas and a solid
10/15/1991CA1290706C Process for increasing the concentration of one component in a multi-component gaseous mixture
10/15/1991CA1290553C Removal of co -and/or h s from gases
10/15/1991CA1290551C Sulfur recovery process using metal oxide absorbent
10/15/1991CA1290550C Method for removing and recovering sulphur in elemental form fromgases containing sulphur dioxide or sulphur dioxide and hydrogen sulphide
10/13/1991CA2040323A1 Refrigerating plant
10/12/1991WO1991015292A1 Active composite and its use as reaction medium
10/11/1991WO1991015286A1 Process of making potable water
10/11/1991CA2058983A1 Process of making potable water
10/11/1991CA2039649A1 Vacuum swing adsorption process for production of 95+% n2 from ambient air
10/10/1991DE4109958A1 Molybdenum oxide based substance contg. mixed oxide with arsenic - used for removing arsenic oxide from gas esp. flue gas to prevent pollution and catalyst deactivation
10/10/1991DE4011366A1 Flue gas desulphurisation - with simultaneous prodn. of alpha-hemi-hydrate
10/10/1991DE4010913A1 IC engine exhaust gas cleaning system - including spark gaps for post-combustion of un:combusted components
10/10/1991CA2038239A1 High pressure facilitated membranes for selective separation and process for the use thereof
10/09/1991EP0451133A1 Process to prevent polychlorinated dibenzodioxines/furanes (PCDD/F) build-up in combustion- or gasification plants
10/09/1991EP0450888A1 Rotary gas treating apparatus
10/09/1991EP0450785A1 Air separator
10/09/1991EP0450481A1 Process for removal of carbon- and nitrogen containing pollutants in flue gases
10/09/1991EP0450463A1 Process for contamination and purification of toxic media with predominant organic character
10/09/1991EP0449833A1 Process and device for separating undesirable constituents from waste gases
10/09/1991CN1055205A Solid multi-component membranes, electrochemical reactor components reactor for oxidation reactions
10/08/1991US5055443 Attrition resistant agglomerates of active alumina
10/08/1991US5055440 Having unsaturated ion on its surfaces for charge transfer; for detoxification of exhaust gases
10/08/1991US5055282 Method of decomposing ammonia using a ruthenium catalyst
10/08/1991US5055279 Process for the reduction of emissions of sulphur dioxide and/or oxides of nitrogen in the case of combustion processes
10/08/1991US5055278 Method for decreasing nitrogen oxides (nox) in waste furnace gases
10/08/1991US5055145 Production process of ferrite stainless steel covered with oxide whisker
10/08/1991US5055116 Gas separation membranes comprising miscible blends of polyimide polymers
10/08/1991US5055115 Air cleaner including an electrostatic precipitator
10/08/1991CA1290312C Process for the removal of no from fluid streams using a water-soluble polymeric chelate of a polyvalent metal
10/08/1991CA1290261C Adsorbate recovery in psa process
10/08/1991CA1290258C Membrane assembly for fluid separations - disk
10/04/1991WO1991015285A1 Gas separation membranes comprising miscible blends of polyimide polymers
10/04/1991CA2079798A1 Gas separation membranes comprising miscible blends of polyimide polymers
10/03/1991WO1991014496A1 An adsorbent assembly for removing gaseous contaminants
10/03/1991CA2039531A1 Process for removing carbon-containing or nitrogen oxide-containing pollutants in flue gases
10/02/1991EP0449791A2 A method for determining the end of useful life of a gas purifier and apparatus therefor
10/02/1991EP0449672A1 Activated alumina agglomerates and process for their preparation
10/02/1991EP0449576A1 Purifying fluids by adsorption
10/02/1991EP0449451A1 Pre-purification of air for separation
10/02/1991EP0449448A1 Process for producing oxygen enriched product stream
10/02/1991EP0449423A1 Catalyst for purification of exhaust gas from diesel engine
10/02/1991EP0449115A1 Acid rain abatement
10/02/1991EP0448976A2 The use of an amorphous alloy catalyst for decomposition of chlorofluorocarbons
10/02/1991EP0448880A1 Process and apparatus for recovering hydrocarbons from air-hydrocarbon vapor mixtures
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