Patents
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)
12/1993
12/09/1993DE4233119C1 Verfahren zur Reduzierung des Schadstoffgehaltes von Rauchgasen in einem Ofenaggregat A method for reducing the pollutant content of flue gases in a furnace unit
12/09/1993DE4218300A1 Purificn. of gas mixt. contg. hydrogen sulphide and nitrogen oxide - by using hydrogen sulphide content and ammonia for selective catalytic redn., esp. for purifying acid liquor stripper gas
12/09/1993CA2137083A1 Foraminous sheets for use in catalysis
12/09/1993CA2135898A1 Process for removing an organic compound from water
12/09/1993CA2097856A1 Treatment of process air stream from rapid cooling of polyurethane foam
12/08/1993EP0573209A1 Filtration of gases
12/08/1993EP0572944A1 Method and apparatus for the separate recovery of a high molecular weight gas and a low molecular weight gas from a gaseous starting mixture
12/08/1993EP0572914A1 Titanium oxide particles and method of producing same
12/08/1993EP0572827A1 Heated cellular substrates
12/08/1993EP0572778A2 Process for the recovery of ammonia and organic compounds from flue gases containing organic compounds, carbon dioxide and ammonia
12/08/1993EP0572634A1 Combined adjustable-flow rate nitrogen and oxygen production method.
12/08/1993EP0409945B1 Process and device for evacuating the content of gas spaces of large containers containing pollutant substances
12/08/1993CN2148603Y Safety operations area for poison materials
12/08/1993CN2148597Y Wet-type, efficient dust collector
12/08/1993CN1079285A Process for destroying toxic substances occuring during the elimination of organic refuse components
12/08/1993CN1079200A Amplified mixer-blower mechanism and uses thereof
12/07/1993US5268155 Filtration; anionic exchange resin
12/07/1993US5268152 Zinc oxide and phosphate
12/07/1993US5268104 Process for treating and regenerating spent caustic
12/07/1993US5268089 Fluid calalytic cracking; distillation of cracked products and catalyst to separate
12/07/1993US5268023 Crystalline structure
12/07/1993US5268022 Gas separation method and apparatus
12/07/1993US5268021 Separation of fluid from stream using pressure swing adsorption
12/07/1993CA1325001C Process for the recovery of the desorbate that occurs during the desorption of charged sorption materials, and an apparatus for carrying out this process
12/07/1993CA1324876C Process for nitrogen oxides reduction and minimization of the production of other pollutants
12/07/1993CA1324875C Method for purifying high-temperature reducing gas
12/06/1993CA2096772A1 Treating automotive enhaust gases with binary la/pd oxides
12/04/1993CA2070320A1 Waste gas-purifying device
12/03/1993CA2096693A1 Process for treating a mixture of water vapors and polluted air with sulphidic gases, formed by the dehydration of the blast furnace slag
12/02/1993DE4217451A1 Moisture exchange element
12/02/1993DE4217339A1 Catalysts for oxidn. of organic cpds. in air - comprise lanthanum manganese perovskite contg. silver with activity comparable to platinum catalysts
12/02/1993DE4217116A1 Process for purificn. of air by filtration - after moistening with fluid and cooling below dew point
12/02/1993CA2097229A1 Removal in aircraft of components from fluid mixtures
12/01/1993EP0572355A1 Module for executing the pervaporation of fluids
12/01/1993EP0572239A1 Separation of hydrocarbon mixtures
12/01/1993EP0571997A1 Moisture removal from a wet gas
12/01/1993EP0571952A1 Reversible oxygen sorbent compositions
12/01/1993EP0571820A2 Process for removing carbonyle metal compounds from gases
12/01/1993EP0571664A1 Process for reducing the sulphur trioxide production in flue gases from combustion plants
12/01/1993EP0571655A2 Catalyst for purification of exhaust gas
11/1993
11/30/1993US5266548 Catalyst carrier
11/30/1993US5266543 Catalytic composite for deodorizing odorous gases and a method for preparing the same
11/30/1993US5266296 Cocurrent flow process for the manufacture of sodium sulfite and bisulfite solutions
11/30/1993US5266288 SO2 control using moving granular beds
11/30/1993US5266287 Regenerable flue gas desulfurization system
11/30/1993US5266286 Flue gas desulfurization process
11/30/1993US5266285 Adding thiosulfate and sodium ions to calcium hydroxide slurry; oxidation to sulfates inhibited
11/30/1993US5266279 Filter or catalyst body
11/30/1993US5266102 O2 VSA process with low O2 capacity adsorbents
11/30/1993US5266101 Mixing high and low purity nitrogen
11/30/1993US5266100 Alkyl substituted polyimide, polyamide and polyamide-imide gas separation membranes
11/30/1993US5266083 Method for reducing pollution emissions from a diesel engine
11/30/1993CA2096927A1 Moisture removal from a wet gas
11/30/1993CA2070098A1 Apparatus for recovering water from air and method of water recovery
11/30/1993CA2030998C Exhaust gas purification system for an internal combustion engine using alcohol blended gasoline for fuel
11/30/1993CA1324782C Process for treating effluent gas
11/30/1993CA1324769C Oxygen enriched air system
11/30/1993CA1324738C Process for making highly permeable coated composite hollow fiber membranes
11/28/1993CA2097521A1 Reversible oxygen sorbent compositions
11/28/1993CA2096684A1 Process for the elimination of metal carbonyl compounds from gases
11/25/1993WO1993023497A1 System and process for vacuum thermolysis treatment of liquid or gas products, the disposal of which is detrimental to the environment
11/25/1993WO1993023149A1 Catalytic regenerative thermal oxidizer
11/25/1993WO1993023148A1 Portable vapor control apparatus
11/25/1993WO1993023147A1 Reducing proceeding and/or a system to intermix and means for the same
11/25/1993DE4314896A1 Catalytic ammonia conversion in waste gas - by passage with nitrogen oxide(s) over de-nitrogenation catalyst
11/25/1993DE4225436C1 Catalytic hardening of sand mould elements - with two-stage sepn. and removal of amine(s) and solvents from exhaust air
11/25/1993CA2136090A1 System and process for vacuum thermolysis of liquid or gaz products, the disposal of wich is detrimental to the environment
11/24/1993EP0571161A2 Filter screen
11/24/1993EP0571130A1 NOx removal process
11/24/1993EP0570847A1 Sorption of organic compounds from gases
11/24/1993EP0570835A1 Sorption of NH3 with doped oxidic sorbents
11/24/1993EP0570645A1 System and process for the vacuum thermolysis of liquid or gaseous products whose disposal is damaging to the environment
11/24/1993CN2147038Y Multi-function jet dust romover
11/24/1993CN2147037Y Air liquid separating air moisture adsorption device
11/24/1993CN1022824C Molecular sieve adsorbent for removing trace Kr, nitrogen oxides from Xe
11/23/1993US5264404 Metallized particles intercalated with a clay, oxidation/ reduction catalyst
11/23/1993US5264203 Synthetic mesoporous crystalline materials
11/23/1993US5264195 Method of reducing oxides of nitrogen using alkanolamine compounds
11/23/1993US5264194 Dehydrosulfurization with scavengers
11/23/1993US5264193 Removal of hydrogen sulfide, carbondioxide and water by selective adsorption with zeolite or molecular sieves
11/23/1993US5264171 Method of making spiral-wound hollow fiber membrane fabric cartridges and modules having flow-directing baffles
11/23/1993US5264131 Forming a liquid membrane of oxygen permeable liquid on a support layer made of a hydrobic porus material, contacting one end of membrane with oxygen and other with aqueous liquor
11/23/1993US5264013 Dedusting by precipitation; heating, desorption; separating vaporized pollutants; cooling, filtration
11/23/1993CA2096774A1 Nox removal process
11/23/1993CA2069221A1 Process for salt extraction from hydrogen-sulphide scrubber solution using electrodialysis
11/23/1993CA1324595C Centrifugal separator
11/23/1993CA1324571C Double-deck distributor
11/23/1993CA1324469C Process for producing carbon materials
11/18/1993EP0570185A2 Hydrogen-permeable composite metal membrane and uses thereof
11/18/1993EP0569877A1 Low-temperature denitration of exhaust gases
11/18/1993EP0569447A1 A plant for extracting substances in gas or mist form from a flow of gas.
11/18/1993EP0569413A1 Particle and light and heavy fluid separator.
11/18/1993EP0569400A1 Honeycomb body with non-uniform electric heating.
11/18/1993EP0484517A4 Venting system
11/18/1993EP0445175B1 A method and apparatus for drying air
11/18/1993DE4322387A1 Water reservoir for reduction of ozone in air - before air is breathed in via a respiration mask
11/18/1993DE4227654C1 Refuse incinerator assembly bunker
11/18/1993DE4215986A1 Automotive catalytic converter sheet metal layers - have smooth overlapping ends creating channels through which solder flows in mfg. then improving join to mantle
11/18/1993DE4215481A1 Fine honeycomb ceramic catalyst for nitrogen oxide(s) redn. in waste gas - contg. e.g. one or more of titanium di:oxide, tungsten oxide, molybdenum oxide and vanadium oxide
11/18/1993DE4207233A1 Prodn. of porous filter body for exhaust gas - by saturating paper and/or cardboard material with water, stirring and drying or hardening obtd. foamed pulp