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)
11/1993
11/16/1993US5262139 Removal of sulfur dioxide from gas streams
11/16/1993US5262138 Process for NOx abatement
11/16/1993US5262135 Simplified, efficient method
11/16/1993US5262131 Oxidation of organic compounds in air
11/16/1993US5262129 Active fine powder manganese dioxide adhered to a paper carrier
11/16/1993US5261948 From polymer
11/16/1993US5261947 Process for the production of a gas having a substantial oxygen content
11/16/1993US5261946 Air line vapor trap with air-warming system
11/16/1993US5261933 Vent gas deodorizing system
11/16/1993US5261932 Process for recovering oxygen from gaseous mixtures containing water or carbon dioxide which process employs ion transport membranes
11/16/1993US5261242 Adiabatic expansion
11/16/1993CA2094198A1 Hydrogen-permeable composite metal membrane and uses thereof
11/16/1993CA1324373C Platinum-free three-way catalyst
11/13/1993CA2095938A1 Removal of nitrogen from flue gases at low temperatures
11/11/1993WO1993022602A1 Temperature and humidity control system and control method therefor
11/11/1993WO1993022600A1 Method for maintaining a nominal working temperature of flue gases in a pfbc power plant
11/11/1993WO1993022544A1 Reactor for catalytically processing gaseous fluids
11/11/1993WO1993022052A1 Catalysts suitable for removing sulphur compounds from industrial gases, process for preparing the same and their use
11/11/1993WO1993022051A1 Method for producing catalyst
11/11/1993WO1993022050A1 Catalyst and process for purifying diesel exhaust gases
11/11/1993WO1993022049A1 Hcl adsorbent and method for making and using same
11/11/1993WO1993022047A1 Process for the catalytic reduction of nitrogen oxides
11/11/1993WO1993022046A1 Process for the efficient catalytic reduction of nitrogen oxides
11/11/1993WO1993022038A1 Spiral wound membrane element
11/11/1993WO1993022032A1 Method to treat geothermal fluid streams
11/11/1993WO1993022031A1 Process and device for separating gas mixtures formed above liquids
11/11/1993WO1993022030A1 Spiral wound microlith catalyst bed
11/11/1993WO1993021996A1 Amplified mixer-blower mechanism and uses thereof
11/11/1993DE4231509A1 Determining carbon, hydrogen, nitrogen and sulphur content released from an organic sample - by absorbing sulphur di:oxide before carbon di:oxide in heat conductivity detector
11/11/1993DE4214885A1 Gas piping mercury decontamination - uses external heat to evaporate mercury@ with inert gas flow to carry that vapour through condenser for recovery and collection in safety
11/11/1993CA2135195A1 Process for the catalytic reduction of nitrogen oxides
11/11/1993CA2112484A1 Amplified mixer-blower mechanism and uses thereof
11/10/1993EP0569109A1 Core element for catalytic converter
11/10/1993EP0568980A1 Combustion of H2S and its associated Claus process
11/10/1993EP0568747A1 Process for treating polluted gases by at least a sorbent and apparatus for executing this process
11/10/1993EP0504203B1 Method and apparatus for effecting gas-liquid contact
11/10/1993CN1078196A Conical honeycomb body
11/10/1993CN1078170A Half-dry and dry desulphurizing apparatus
11/10/1993CN1078169A Safety filtration equipment
11/09/1993USRE34434 Oxygen enriched air system
11/09/1993US5260249 Catalyst for purifying automotive exhaust gas
11/09/1993US5260248 Stable high temperature manganese based oxidation catalyst
11/09/1993US5260241 Controlled pore size phosphate-alumina material and method for producing same
11/09/1993US5260047 Process for purifying waste gases containing polyhalogenated compounds
11/09/1993US5260046 Method for removing epoxides from gaseous effluents
11/09/1993US5260045 Modification of magnesium-enhanced lime flue gas desulfurization process to improve solids dewatering
11/09/1993US5260044 Method for removing organic chlorine compounds from combustion waste gas
11/09/1993US5260043 Catalytic reduction of NOx and carbon monoxide using methane in the presence of oxygen
11/09/1993US5260042 Pressurization for atomization before mixing
11/09/1993US5260036 Reactive cement lining to produce calcium and magnesium halides
11/09/1993US5260035 Apparatus and method for modifying gaseous mixtures
11/09/1993US5259986 Copper (I) carboxylate-containing olefin complexing reagents
11/09/1993US5259870 Intermetallic diffusion barrier between base and coating metals; permselectivity
11/09/1993US5259869 Compression and cooling to condense; removing liquid water; circulation
11/09/1993US5259868 Process for purifying exhaust air from plant parts of oil mills
11/09/1993US5259853 Vent gas processing scheme with vacuum swing adsorption
11/09/1993US5259754 Partial combustion catalyst of palladium on a zirconia support and a process for using it
11/09/1993US5259190 Heated cellular structures
11/09/1993CA2068301A1 Protec-ozone - air pollution system
11/09/1993CA1324123C Platinum-free three-way catalyst
11/09/1993CA1324122C Gas purification adsorbent and purification process
11/09/1993CA1324107C Dehumidifier
11/09/1993CA1324090C Method and apparatus for treating process gases
11/09/1993CA1324034C Device for heating or incineration plants
11/06/1993CA2095457A1 Combustion of h s and its associated claus process
11/04/1993DE4313976A1 Total energy heat exchanger with reduced odour transmission - incorporates absorbent having equilibrium isotherm without sudden increase in absorption above 40 per cent relative humidity
11/04/1993DE4235591A1 Bio filter has horizontal substrate with downflow of organically polluted air - through sprinkler-moistened microorganisms, cleans air polluted by organic aerosol(s)
11/04/1993DE4214282A1 Ozone decomposition catalyst of manganese oxide mixt. and alumina - with specified deg. of oxidn., surface area and porosity, used esp. for quantitative sepn. of ozone in monitoring air quality
11/04/1993DE4214246A1 Cleaning light transitional impurities of halohydrocarbon in airflow - with active carbon@ filters which alternately absorb and release
11/03/1993EP0568003A2 Absorption of hydrogen sulfide and absorbent composition therefor
11/03/1993EP0567964A2 Process for flue gas denitration
11/03/1993EP0567852A2 Apparatus for enrichment of a container atmosphere with nitrogen
11/03/1993EP0567473A1 Process for treatment of a fluid.
11/03/1993EP0559844A4 Palladium partial combustion catalysts and a process for using them
11/03/1993CN2145065Y Tower type waste gas or steam purifying recovery apparatus
11/03/1993CN2145064Y Spiral high-pressure vapour-water seperator
11/02/1993US5258340 Multiple layers of cobalt oxide and another metal oxide for low temperature oxidation of carbon dioxide; for use in smoking articles
11/02/1993US5258114 Ultra large pore cracking catalyst and process for catalytic cracking
11/02/1993US5258060 Adsorptive separation using diluted adsorptive phase
11/02/1993US5258059 Gas separation process
11/02/1993US5258058 Nitrogen adsorption with a divalent cation exchanged lithium X-zeolite
11/02/1993US5258056 PSA system with product turndown and purity control
11/02/1993US5257588 Method for the abatement of flue gas from a process of combustion, more particularly a refuse incinerating plant
11/02/1993CA1323752C Method for manufacturing and reinforcing a catalytic unit to be used for purifying exhaust gases
10/1993
10/28/1993WO1993021431A1 Heating means for catalyst unit
10/28/1993WO1993021430A1 Electrically conductive honeycomb structure for electrically heatable catalytic converters for motor vehicles
10/28/1993WO1993021117A1 Process for decreasing chlorine content of chlorinated hydrocarbons
10/28/1993WO1993021107A1 Process and apparatus for recovering sulphur from a gas stream containing hydrogen sulphide
10/28/1993WO1993020937A1 Device for cleaning exhaust fumes
10/28/1993WO1993020936A1 Catalyst for the catalytic post-combustion of exhaust gases containing carbon monoxide and/or oxidisable organic compounds
10/28/1993WO1993020926A1 Method for cleaning flue gases
10/28/1993WO1993020925A1 Rotary device for separating at least one component of a gaseous mixture by adsorption
10/28/1993DE4312198A1 Denitrification of exhaust gas contg. oxygen esp. from internal combustion engine - by reaction with oxa-cyclo-hydrocarbon to acetaldehyde, on zeolitic catalyst
10/28/1993DE4242200C1 Verfahren zur Verbesserung des Weißgrades von Rohgips Method for improving the degree of whiteness of gypsum rock
10/28/1993DE4214551A1 Verfahren und Vorrichtung zur Trennung von über Flüsssigkeiten entstehenden Gasgemischen Method and apparatus for the separation of gas mixtures resulting over Flüsssigkeiten
10/28/1993DE4214424A1 Arrangement for gas feedback, when filling road vehicle with fuel - involves fuel delivery line connected to fuel storage tank and vacuum gas feedback conduit connected to delivery pistol
10/28/1993DE4213814A1 Mass exchange element useful for biological waste gas or waste water purificn. - consists of lattice of intersecting lattice bars through which liq. flows
10/28/1993DE4213261A1 Elektrisch leitfähiger Wabenkörper, insbesondere für elektrisch beheizbare katalytische Konverter von Kraftfahrzeugen Electrically conductive honeycomb body, in particular for electrically heated catalytic converter of motor vehicles
10/28/1993CA2118247A1 Process for decreasing chlorine content of chlorinated hydrocarbons
10/28/1993CA2111207A1 Rotary device for separating at least one component of a gaseous mixture by adsorption