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