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)
11/1989
11/01/1989CN1036804A Process for recovery of alkanolamines from their heat-stable salts formed in alkanolamine sorbent solutions
11/01/1989CN1036709A Vehicle exhaust gas systems
10/1989
10/31/1989US4877743 Monitoring reaction of nitrous oxide to form nitrogen
10/31/1989US4877598 Continuous process for the dry slaking of lime
10/31/1989US4877592 Two stage catalyst bed
10/31/1989US4877591 Process for the reduction of nitrogen oxides in an effluent using sugar
10/31/1989US4877590 Process for nitrogen oxides reduction with minimization of the production of other pollutants
10/31/1989US4877533 Pervaporation; membrane with active layer of polyunsaturated acid or salt
10/31/1989US4877531 Process for treating various refuse materials, particularly smoke, garbage and sewage
10/31/1989US4877429 Valve device for P.S.A. or R.P.S.A. systems
10/31/1989US4877426 Method and apparatus for unloading vapor adsorbers
10/31/1989US4877422 Maintains dielectric properties
10/31/1989US4877421 Heat treatment to remove impurities
10/31/1989CA1262536A1 Enhanced bulk porosity of polymer structures via plasma technology
10/25/1989EP0338967A1 Apparatus for treating slurry by gas-liquid contact method
10/25/1989EP0338451A2 Process and plant for purifying waste gases from aluminium melting processes
10/25/1989EP0338321A1 Waste air purification process
10/25/1989EP0338103A1 Process for diminishing harmful emissions when operating coal combustion plants
10/25/1989EP0338074A1 Treatment of permeable membranes
10/25/1989CN1036545A Composition and method for removal of hydrogen sulfide
10/24/1989US4876288 Dimensionally stable macroporous skeleton of bonded coarse and fine grained components; purification
10/24/1989US4876076 Limestone absorber forming calcium sulfite, oxidation to sulfate; air pollution control
10/24/1989US4876075 Removal of H2 S from gas streams
10/24/1989US4876025 Composition to absorb mercury
10/24/1989US4875914 Gas & odor adsorbing unit
10/24/1989US4875911 Apparatus for separating gaseous mixtures
10/24/1989US4875910 Filter for removing cancer causing compounds from exhaust fumes
10/24/1989US4875908 Separation with permselective membrane
10/24/1989US4875520 Heat exchanger; desiccant particles bound to plastic strip
10/24/1989US4875436 Waste heat recovery system
10/24/1989CA1262438A1 Monolithic catalytic convertor mounting arrangement
10/19/1989WO1989009933A1 PLANAR POLAROGRAPHIC PROBE FOR DETERMINING THE lambda VALUE OF GASEOUS MIXTURES
10/19/1989WO1989009560A1 Sheet type mat
10/19/1989DE3910874A1 Process for the preparation of a gas adsorbent
10/19/1989DE3818255C1 Process for the desulphurisation of flue gas and reactor usable for this
10/19/1989DE3811758A1 Device for separating off pollutants from the exhaust air of carpet production plants
10/19/1989DE3811598A1 Exhaust gas purification method and apparatus for carrying it out
10/19/1989DE3811588A1 Process and apparatus for the thermal-catalytic exhaust air purification of solvent-containing exhaust air
10/18/1989EP0337910A1 Process for reducing the content of non-condensables elements, which are present in fumes containing condensables and which are soluble in the condensable elements
10/18/1989EP0337809A2 Catalyst for purifying exhaust gas and method for production thereof
10/18/1989EP0337730A1 Heat resistant noble metal catalyst and method of producing the same
10/18/1989EP0337515A2 Method and apparatus for controlling the injection amount of ammonia for denitration of exhaust gas
10/18/1989EP0337446A2 Oxidation of carbon monoxide and catalyst therefor
10/18/1989EP0337150A1 Structured column packing with liquid holdup
10/18/1989EP0337143A2 A method of catalytic combustion of organic compounds and a catalytic burner for combustion of organic compounds
10/18/1989EP0337076A1 Cyclic separation of oxygen from air using molten salts
10/18/1989EP0337073A2 Process for the removal of nitrogen oxide from a flue gas stream and furnace with elements for performing the process
10/18/1989EP0337001A1 Polyimide gas separation membranes
10/18/1989EP0337000A2 Reactive posttreatment for gas separation membranes
10/18/1989EP0336999A2 Reactive posttreatment for gas separation membranes
10/18/1989EP0243368B1 Method for reducing emissions from industrial exhaust gases and industrial discharge air
10/18/1989CN1036338A Selective adsorption of co2 on zeolites
10/18/1989CN1036337A Process for reduction of nitrogen oxides in effluent using sugar
10/18/1989CN1036336A Integrated process for removal of sulfur compounds from fluid streams
10/18/1989CN1005459B Improved column packing
10/18/1989CN1005458B Enhanced pressure swing adsorption processing
10/17/1989US4874591 Process for the purification of waste gases containing hydrochloric acid and sulphur dioxide
10/17/1989US4874590 Using molecular sieves
10/17/1989US4874589 Washing; pressurized aeration; oxidation
10/17/1989US4874587 Vapor phase decomposing organic compounds with water
10/17/1989US4874586 Multilayer tubular porous walls
10/17/1989US4874585 Economic recovery and utilization of boiler flue gas pollutants
10/17/1989US4874530 Method for treating photographic processing waste solution
10/17/1989US4874525 Purification of fluid streams containing mercury
10/17/1989US4874524 Separation of adsorbed components by variable temperature desorption
10/17/1989US4874408 Liquid drain assembly
10/17/1989US4874405 Coupling fluid separation membrane elements
10/17/1989US4874403 Absorption, depressurization
10/17/1989US4874400 Using rotary atomizing disks to spray exhaust gas streams
10/17/1989US4874133 Gas supply and distribution center
10/17/1989US4873835 Process for the simultaneous exchange of heat and matter through a porous wall
10/12/1989DE3905415A1 Process for treating exhaust gases
10/12/1989DE3811168A1 Method for controlling regeneration of multilayer adsorber beds
10/12/1989DE3810646A1 Apparatus and process for recovering solvents
10/12/1989DE3810113A1 Process for providing the gases required for operating high-temperature fuel cells
10/11/1989EP0336882A1 Catalyst filter, method for manufacturing a catalyst filter and comprehensive method for treating a combustion exhaust gas using a catalyst filter
10/11/1989EP0336535A1 Gas separation by composite solvent-swollen membranes
10/11/1989EP0336119A2 Process for the decontamination of oxygen containing gases, especially of waste gases
10/11/1989EP0336106A1 Process for manufacturing a carrier for a catalytic reactor
10/11/1989CN1005384B Direct absorption purifying method of non-metal compound
10/11/1989CN1005381B Separation co2 from other gas of mixture
10/10/1989US4873066 Low temperature process for the reduction of nitrgen oxides in an effluent
10/10/1989US4873065 Flue gas purification process
10/10/1989US4872891 Desiccant system
10/10/1989CA1262247A1 Catalyst for reduction of so.sub.x emissions from fcc units
10/05/1989WO1989009366A1 Combustion apparatus
10/05/1989WO1989009184A1 Method for baghouse brown plume pollution control
10/05/1989WO1989009183A1 SOx/NOx POLLUTION CONTROL COMPOSITION AND METHOD FOR ESP BROWN PLUME CONTROL
10/05/1989DE3904500A1 Process for removing sulphur oxides from exhaust gases
10/05/1989DE3843150A1 Apparatus for isolating hydrocarbons from highly concentrated gas streams
10/05/1989DE3810705A1 Multistage process for removing solvents contained in a gas
10/05/1989DE3809903A1 Arrangement for controlling small air purification units
10/05/1989DE3809891A1 Process for cleaning sludge-fouled packings in scrubber columns
10/05/1989DE3809890A1 Process for cleaning fouled packings in scrubber columns
10/05/1989DE3809774A1 Process for separating off soot from exhaust gases with desulphurisation and catalysis
10/04/1989EP0335847A1 Catalyst for purifying exhaust gases and preparation and use thereof
10/04/1989EP0335792A1 Process for the destruction of hydrides in an exhaust gas, and catalyst for carrying it out
10/04/1989EP0335746A2 System to mitigate the effect of an environmental release of a contaminant gas
10/04/1989EP0335441A1 Process for the purification of flue gases
10/04/1989EP0335418A2 Membrane process and system for nitrogen production