| 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) |
|---|
| 06/28/1990 | DE3844629A1 Apparatus and process for scrubbing and purifying exhaust gases or exhaust air by foam |
| 06/27/1990 | EP0375616A1 Nitrogen-removing device for flue gases in a fossil fuel-fired vapour generator |
| 06/27/1990 | EP0375477A1 Process for producing an atmosphere for thermal treatment by air separation by permeation |
| 06/27/1990 | EP0375391A1 A catalyst for removing nitrogen oxides and a process for producing the same |
| 06/27/1990 | EP0375220A1 Gas component extraction |
| 06/27/1990 | EP0375077A2 Removing hydrogen sulphide from a gas mixture |
| 06/27/1990 | EP0375048A1 Method and device for desulphurising gas |
| 06/27/1990 | EP0374873A2 Efficient vapor- liquid mass transfer by microporous membrane fibers |
| 06/27/1990 | EP0374631A2 Process for the oxygen concentration in air by means of vacuum-swing-adsorption using mixtures of CA-zeolit A molecular sieves |
| 06/27/1990 | EP0215016B1 Solid compositions based on superoxides, production thereof and electrochemical applications thereof |
| 06/27/1990 | EP0159495B1 Process for the removal of co2 and/or h2s from gases |
| 06/27/1990 | CN1043334A Method for removing hydrogen sulfide from partly oxygenated gas |
| 06/27/1990 | CN1043269A Removal and recovery of sulphur dioxide from gas streams |
| 06/27/1990 | CA2006588A1 Semipermeable membranes based on specified tetrabromobisphenol type polyesters |
| 06/26/1990 | US4937219 Oxidation or reduction catalyst, inflammable gas sensor |
| 06/26/1990 | US4937059 Solid sorbent of alkali metal oxide or hydroxide and lanthanum oxide |
| 06/26/1990 | US4937058 In gas phase using specific supported catalyst; one step |
| 06/26/1990 | US4937057 By absorption with scrubbing solutions containing sodium or potassium sulfide |
| 06/26/1990 | US4937004 Extraction by liquid absorber; recycling; enhanced oil recovery |
| 06/26/1990 | US4936996 Method of processing biodegradable organic material |
| 06/26/1990 | US4936887 Distillation plus membrane processing of gas streams |
| 06/26/1990 | US4936880 Scrubber |
| 06/26/1990 | US4936878 Method for cleansing gas and apparatus herefor |
| 06/26/1990 | US4936877 Dopant delivery system for semiconductor manufacture |
| 06/26/1990 | US4936026 Compressed air system |
| 06/26/1990 | CA1270807A1 Bivalent metal-aluminate catalyst |
| 06/26/1990 | CA1270806A1 Device for physical and/or chemical treatment of fluids |
| 06/26/1990 | CA1270771A1 Filtering device for vehicle exhaust |
| 06/26/1990 | CA1270769A1 Dehydrating device |
| 06/26/1990 | CA1270751A1 Structured tower packing |
| 06/26/1990 | CA1270746A1 Cryogenic process for the selective removal of acidic gases from mixtures of gases by solvents |
| 06/24/1990 | CA2006246A1 Scrubbing column for an apparatus for the desulfurization of flue gases |
| 06/21/1990 | DE3940665A1 Support member for exhaust gas purificn. catalyst - having flat strip, corrugated strip, tubular metal housing and brazed contacting positions |
| 06/21/1990 | DE3939490A1 An exhaust gas purification arrangement - having two honeycomb members, catalyst, metal housing, a flat-and corrugated strip and interspace |
| 06/21/1990 | DE3937863A1 Gas adsorption element - comprising a matrix, charcoal, a metal silicate-aerogel, and alumina |
| 06/21/1990 | DE3842839A1 Catalyst for the reduction of nitrogen oxides |
| 06/21/1990 | DE3842527A1 Verfahren zur herstellung eines katalysators zur entfernung von stickstoffoxiden aus abgasen Exhaust gases method for producing a catalyst for removing nitrogen oxides from |
| 06/21/1990 | DE3842352A1 Method for operating a moving-bed filter plant and apparatus for carrying out the method |
| 06/21/1990 | CA2005988A1 Process for the absorptive oxygen-enrichment of air with mixtures of ca zeolite a molecular sieves by means of vacuum swing absorption |
| 06/20/1990 | EP0373683A1 A process for the separation of carbon dioxide |
| 06/20/1990 | EP0373665A2 Method for exhaust gas cleaning |
| 06/20/1990 | EP0373648A2 Catalytic composite on delafosite basis for purifying exhaust gases and a method for preparing the same |
| 06/20/1990 | EP0373351A1 A mixture for reducing pollutant materials in boiler flue gases |
| 06/20/1990 | EP0373312A1 Process for reducing the PCDD/PCDF-emissions in waste gas of incinerators |
| 06/20/1990 | EP0373210A1 Process and installation for dry separation of noxious substances from flue gases |
| 06/20/1990 | CN1043113A Industrial manganese sulphate production method by absorption of sulfur dioxide with pyrolusite pulp |
| 06/20/1990 | CN1043088A Quaternary polyamines as sulfite oxidation inhibitors |
| 06/20/1990 | CN1008441B Method for eliminating reentry disulfides in mercaptan extraction |
| 06/20/1990 | CA2005959A1 Efficient vapor-liquid mass transfer by microporous membrane fibers |
| 06/19/1990 | US4935393 Process for catalytic reduction of nitrogen oxides |
| 06/19/1990 | US4935392 Pressing to bond the acid-etched carrier and active material |
| 06/19/1990 | US4935221 Simultaneous solidificaation of sulfur while avoiding plugging |
| 06/19/1990 | US4935209 Reaction enhancement through accoustics |
| 06/19/1990 | US4935043 Cryogenic process for desulphurization and gasoline removal of a gaseous mixture comprising methane containing H2 S and hydrocarbons having 2 carbon atoms and higher |
| 06/19/1990 | US4934149 Method of reducing chlorofluorocarbon refrigerant emissons to the atmosphere |
| 06/19/1990 | US4934148 Dry, high purity nitrogen production process and system |
| 06/19/1990 | US4934142 Exhaust emission control device for a diesel engine |
| 06/19/1990 | CA1270405A1 Waste destruction |
| 06/14/1990 | WO1990006181A1 Device for electrostatic separation of solid particles and aerosols from gases |
| 06/14/1990 | WO1990006177A1 High surface area cordierite catalyst support structures |
| 06/14/1990 | WO1990006165A1 A method and apparatus for drying air |
| 06/14/1990 | WO1990006164A1 Method and apparatus for dehumidifying gas |
| 06/14/1990 | WO1990006163A1 Method and apparatus for separating non-condensable gases from vapor |
| 06/14/1990 | WO1990006162A1 Process for separating condensable gas from non-condensable gas |
| 06/14/1990 | CA2005412A1 Process for reducing nitric oxides contained in flue gases |
| 06/13/1990 | EP0373113A1 Exhaust gas treating method |
| 06/13/1990 | EP0372939A1 Process for separating N-olefins and N-paraffins from hydrocarbon mixtures |
| 06/13/1990 | EP0372750A1 Gas separator |
| 06/13/1990 | EP0372156A2 Exhaust gas purifying catalyst suppressing the generation of hydrogen sulfide |
| 06/13/1990 | DE3940213A1 Regenerating hydrocarbon charged active carbon filter by steam |
| 06/13/1990 | DE3841804A1 Process and arrangement for carrying out the process for operating an arrangement for separating off organic impurities from exhaust gases which are forced through a vessel-enclosed biomass as absorbent |
| 06/13/1990 | DE3841221A1 Process for purifying the flue gases of combustion plants |
| 06/13/1990 | DE3841219A1 Process for treating refuse polluted with heavy metals |
| 06/13/1990 | DE3841217A1 Process for decreasing the arsenic content in flue gases |
| 06/13/1990 | CN1042981A Laminated substrate for catalytic combustor reactor bed |
| 06/13/1990 | CN1042909A Process for separation of carbon dioxide |
| 06/13/1990 | CN1042903A Purification method of waste gas of isocyanates |
| 06/13/1990 | CN1042846A Process for treatment of waste gases |
| 06/12/1990 | US4933223 Matrix for the support of catalytically active compounds, and method for producing the matrix |
| 06/12/1990 | US4933162 Contacting with silicate absorber |
| 06/12/1990 | US4933159 Sorption of trialkyl arsines |
| 06/12/1990 | US4933082 Gas-permeable laminate |
| 06/12/1990 | US4933054 Solid electrolyte with coating on one surface of conductive metal, metal oxide or mixture, second surface coated with metal, metal oxide or mixture |
| 06/12/1990 | US4932983 Copolyimide gas separation membranes derived from substituted methylene dianilines and unsubstituted diamines |
| 06/12/1990 | US4932982 Copolyimide gas separation membranes derived from substituted phenylene diamines and substituted methylene dianilines |
| 06/12/1990 | US4932334 Method and apparatus for removing pollutants from incinerator fumes |
| 06/12/1990 | CA1270208A1 Selective adsorption process |
| 06/12/1990 | CA1270204A1 Honeycomb body, especially a catalyst carrier body having sheet metal layers twisted in opposite directions and a method for producing the same |
| 06/07/1990 | DE3938155A1 Nitrogen oxide(s) redn. catalyst prodn. - by applying catalyst and methyl cellulose binder to metal support |
| 06/07/1990 | DE3840437A1 Multi-component catalyst for heating boilers |
| 06/07/1990 | DE3839567A1 Hollow-fibre module for separating off gas |
| 06/07/1990 | DE3830538A1 Selective fresh air separation |
| 06/07/1990 | CA2004748A1 Apparatus for precipitating solid particles and aerosols from gases |
| 06/07/1990 | CA2004430A1 Zeolite separation process for olefin-paraffin mixtures useful in synlube production |
| 06/06/1990 | EP0371945A1 A method for separating dioxins from gases |
| 06/06/1990 | EP0371740A1 Catalyst and method for ozone decomposition |
| 06/06/1990 | EP0371239A1 Process and devices for removing a liquid containing chlorinated organic compound from fluid-soaked components of an apparatus |
| 06/06/1990 | CN1042666A Process for contact of gas-liquid |
| 06/05/1990 | US4931421 Catalyst carriers and a method for producing the same |
| 06/05/1990 | US4931419 Sections of catalyst support impregnated with differing metals; durability |