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)
09/1995
09/13/1995CN1108145A Method for recovering residual solvent in tail gas from extraction workshop
09/12/1995US5449504 Process for removing nitrogen oxides from oxygen rich exhaust gas
09/12/1995US5449499 Apparatus for deflecting a flow of fluid, such as gas or flue gas, which may lead to a denox catalytic converter
09/12/1995US5449495 Nitrogen oxide removal control apparatus
09/12/1995US5449485 Method for forming an object of thermosetting synthetic material in a mould
09/12/1995US5449479 Method of producing ceramic distribution members for solid state electrolyte cells
09/12/1995US5449457 Liquid membrane modules with minimal effective membrane thickness and methods of making the same
09/12/1995US5449398 Methods for dechlorynation disposal of polyvinyl chloride wastes and apparatus thereof
09/12/1995US5448891 Dehumidifier
09/12/1995US5448887 Exhaust gas purification device for an engine
09/08/1995WO1995023835A1 Absorption process without external solvent
09/07/1995DE4416469C1 Easily mfd. and regenerated fully metallic oxidn. catalyst
09/07/1995DE4407388A1 Base for ventilating or rotting made of reversed plastic tiles incorporating U-shaped passages
09/07/1995DE4406772A1 Process maintains smoke gases at or above dew point after combustion of fossil fuels
09/07/1995DE4406684A1 Smoke gas scrubber requiring less space and energy than previous units
09/06/1995EP0670575A1 Device for removing free hydrogen from a gas mixture containing hydrogen and oxygen
09/06/1995EP0670285A1 Process for purifying hydrogen gas
09/06/1995EP0670179A2 Fluidizable sulfur sorbent and fluidized sorption process
09/06/1995EP0670178A2 Liquid-phase catalyst-assembly for chemical process tower
09/06/1995EP0670176A1 Biological filter provided with a pelletized biologically active compost carrier material
09/06/1995EP0670175A1 Exhaust gas boiler
09/06/1995EP0670174A1 Method and apparatus for processing waste gas
09/06/1995EP0669905A1 Pervaporation separation process of a mixture of methanol and tetrahydrofurane
09/06/1995EP0669900A1 Method for the treatment of incineration residues and the use thereof as adsorption agent.
09/06/1995EP0669896A1 PROCESS FOR REMOVING NOx/SOx OXIDES FROM GASES --------------
09/06/1995EP0669854A1 Process for removing sulphur dioxide from a sulphur dioxide-containing gas stream.
09/06/1995EP0669850A1 Catalytic process.
09/06/1995CN1107876A Process for removing nitrogen compounds from synthesis gas
09/06/1995CN1107751A Tuning of vacuum pressure swing adsorption systems
09/06/1995CN1107750A Improved vacuum pressure swing adsorption process
09/06/1995CN1029666C Improved composite membranes, their manufacture and their use
09/05/1995US5447963 Method for reducing volatile emissions generated during the preparation of foams and fabrication of foam products
09/05/1995US5447773 Honeycomb body
09/05/1995US5447702 Fluid bed desulfurization
09/05/1995US5447701 Zeolite adsorbers of silica and alumina
09/05/1995US5447698 Catalytic converters--metal foil material for use therein, and a method of making the material
09/05/1995US5447697 Metal catalyst carrier
09/05/1995US5447694 Exhaust gas conversion method and apparatus using thermally stable zeolites
09/05/1995US5447693 Heater and conductor; vitreous coating on fin has oxidation catalyst
09/05/1995US5447559 Hydrogen recovery by adsorbent membranes
09/05/1995US5447558 For feed gas containing water vapor and carbon dioxide; passing through two particulate beds, the first adsorbing water and the second, carbon dioxide; regeneration by hot gas
09/05/1995US5447557 Oxygen selective adsorbents
09/05/1995US5447555 High temperature ion transport membrane system
09/05/1995CA2143527A1 Liquid-phase catalyst-assembly for chemical process tower
09/05/1995CA2127860A1 Method and apparatus for processing waste gas
08/1995
08/31/1995WO1995023025A1 Improved layered catalyst composition
08/31/1995DE4434101C1 Pressure-swing adsorption process to purify or analyse a gas stream
08/31/1995DE4406715A1 Operating flue gas desulphurising scrubber
08/31/1995DE19506563A1 Fluidised bed gasification reactor
08/30/1995EP0669158A1 Fluid separation assembly having an integral purge control valve
08/30/1995EP0669157A1 Catalyst for purifying exhaust gases
08/30/1995EP0669155A1 Method for biologically purifying gas streams
08/30/1995EP0668899A1 Method for reducing harmful emissions from a diesel engine equipped with a particulate trap
08/30/1995EP0668792A1 Pre-treatment of natural gas to be condensed to liquefied natural gas (lng)
08/30/1995EP0656809A4 A process for removing no x? from combustion zone gases by adsorption.
08/30/1995EP0621854A4 Method and apparatus for desulfurization of a gas.
08/30/1995EP0571623B1 Device for the treatment of waste gases containing gaseous pollutants
08/30/1995EP0536378B1 Method for producing sulphur from a combustible effluent and at least one acidic gas containing hydrogen sulphide, and thermal reactor
08/30/1995CN1107568A Deodorizing device for refrigerator
08/30/1995CN1107519A Absorbent production with lithium recovery
08/30/1995CN1107464A A process for reduction of waste material during manufacture of aerylonitrile
08/30/1995CN1107385A Deodorizing method for refrigerator
08/30/1995CN1107382A Low-temp. methanol cleaning method
08/30/1995CN1107381A Improved adsorption separation process for simulation moving bed
08/30/1995CN1107380A Enhanced gas separations and zeolite compositions therefor
08/30/1995CN1029594C Ordinary temp. organosulfur hydrolysis catalyst and its preparation
08/29/1995US5446006 Uniform coating on metal strips, free from increased accumulation in corners
08/29/1995US5445876 Desiccant for heat exchanger wheel
08/29/1995US5445800 Generates active oxygen to decompose harmful substances
08/29/1995US5445669 Membrane for the separation of carbon dioxide
08/29/1995US5445660 Apparatus for cleaning gases with the aid of organic filtration material
08/24/1995WO1995022506A1 REMOVAL OF NOx FROM A GASEOUS STREAM
08/24/1995WO1995022403A1 Absorbents
08/24/1995WO1995022396A1 Process for removing ethylene oxide from outgoing air or exhaust gas streams
08/24/1995WO1995022395A1 Mobile apparatus for the purification of polluted air
08/24/1995WO1995022394A1 A method for removing hydrogen sulfide from gas streams
08/24/1995WO1995022393A1 Gas desiccation and contaminant disposal method and apparatus
08/24/1995DE4424805C1 Two-part automotive dust filter frame
08/24/1995DE4405435A1 Cleaning of exhaust air from decontamination equipment
08/24/1995DE4405276A1 Verfahren zur Abscheidung von Ethylenoxid aus Abluft- oder Abgasströmen A process for the deposition of ethylene oxide from exhaust air or exhaust gas currents
08/24/1995DE4405010A1 Flue gas cleaning appts. to remove acid gases using supersonic injector
08/24/1995DE4404997A1 Purification of combustible gas contg. e.g. mercury and hydrogen sulphide
08/24/1995DE19504851A1 Integrated catalytic exhaust gas converter which is easily constructed
08/24/1995CA2183319A1 Absorbents
08/24/1995CA2183065A1 A method for removing hydrogen sulfide from gas streams
08/23/1995EP0668470A2 Methods of reducing NOx produced by burning of a fuel
08/23/1995EP0668343A1 A method and apparatus for cleaning and cooling synthesized gas
08/23/1995EP0668241A1 Method and apparatus for recovering elemental sulfur from flue gas
08/23/1995EP0668099A2 Adsorbents for removing low-concentration nitrogen oxides
08/23/1995EP0668096A1 Hydrogen recovery by adsorbent membranes
08/23/1995EP0667808A1 Catalyst system of the structured type.
08/23/1995EP0667803A1 Gas-separation process
08/23/1995EP0596927B1 Catalyst and catalytic reduction
08/23/1995EP0588951B1 Air dryer purge cycle timing control
08/22/1995US5444176 Removing acid gases, separating into first portion comprising methane, hydrogen, nitric oxide, and hydrocarbons containing up to three carbon atoms, and second portion comprising nitric dioxide and hydrocarbons having four carbons, oil absorption
08/22/1995US5444031 Carbonizing bituminous coal at specified temperature in presence of oxidant gas, oxidizing, contacting with nitrogen containing compound while heating
08/22/1995US5444029 Pyrolytic oxidation; heat exchanging; pollution control
08/22/1995US5443806 Treating exhaust gas from a pressurized fluidized bed reaction system
08/22/1995US5443805 Injecting ammonia or ammonia-producing compounds, atomizing hydrocarbon gas medium
08/22/1995US5443803 Catalyst for purifying exhaust gas