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)
08/1987
08/13/1987DE3603170A1 Verfahren und vorrichtung zur akustischen gasreinigung Method and device for acoustic gas cleaning
08/12/1987EP0231558A1 Separation apparatus
08/12/1987EP0231543A1 Anti-pollution device for eliminating toxic gases used in the manufacture of semi-conductor materials of group III-V
08/11/1987US4686202 Preparation of catalysts for the detoxification of waste gases
08/11/1987US4686131 Silylated polyphenylene ether membrane for gas separation
08/11/1987US4686093 Molecular sieve compositions with aluminum, phosphorus and at least two other elements
08/11/1987US4686090 Calcium sulfate free
08/11/1987US4686039 Tube sheets positioned in end portions of cylindrical shell with improved adhesion and fluid seal
08/11/1987US4685941 For pneumatic equipment
08/11/1987US4685939 Production of oxygen enriched air
08/11/1987US4685938 Apparatus and method for the determination of sorption bed characteristics
08/11/1987US4685935 Rapid heating for recrystallization
08/11/1987US4685444 Process and equipment for heating a liquid without pollution of the environment
08/11/1987CA1225338A1 N-paraffin-isoparaffin separation process using wash of recycle purge gas
08/06/1987DE3620073C1 Regenerative process for exhaust gas purification
08/06/1987DE3602722A1 Module for bricks containing catalysts
08/06/1987DE3602710A1 Process for regenerating granular carbon-containing adsorbent loaded with sulphuric acid and ammonium sulphates
08/06/1987DE3545079A1 Method for utilising the energy of regeneration steams
08/05/1987EP0231047A2 Apparatus for the drying of humid air
08/05/1987EP0230991A2 Drying cartridge for air drying equipment, especially for pressurized air brake devices for vehicles
08/05/1987EP0230940A2 Air compressor provided with a dehumidification device
08/05/1987EP0230875A1 Apparatus for cleaning breathing air
08/05/1987EP0230701A1 Apparatus for transferring particles from one zone to another
08/05/1987EP0230641A1 Molded catalyst and method of catalyst gas reaction
08/05/1987EP0230601A2 Process for producing a water-permeable skin on water-soluble particulate material
08/05/1987EP0230580A1 Filter
08/05/1987EP0230431A1 Industrial method for fabricating purifiers intended to the production of high-purity gases
08/05/1987CN87100187A Contacting gas and liquid
08/04/1987US4684514 Concurrent condensation of sulfur and water vapors to liquids
08/04/1987US4684510 Chemical filter
08/04/1987US4684381 Chemical filter for use in a cab ventilation system
08/04/1987US4684377 Process for producing oxygen-enriched gas
08/04/1987CA1224911A1 Carbon dioxide hydrocarbons separation process
07/1987
07/30/1987WO1987004366A1 Installation for fume purification
07/30/1987EP0146534A4 Gas scrubbing method and apparatus.
07/30/1987DE3602352A1 Process for isolating hydrogen
07/30/1987DE3601918A1 Process for the catalytic purification of flue gases
07/30/1987DE3601917A1 Process for the purification of flue gases
07/30/1987DE3601454A1 Process for removing HCl, HF, SO3, SO2 and NOx from combustion exhaust gases by simultaneous wet scrubbing with controlled scrubbing water circulation and specific addition of lime
07/30/1987DE3600270A1 Simultaneous SO2 and NOx separation in the high temperature region and in the simultaneous wet technique region
07/29/1987EP0230193A1 Heating system allowing steam enrichment of combustion air being fed to a heat source
07/29/1987EP0230146A2 Desulphurisation
07/29/1987EP0230139A1 Method for cleaning of a hot flue gas stream from waste incineration
07/29/1987EP0230058A1 Process for removing nitrogen oxides and sulfur oxides from a waste gas
07/29/1987EP0229797A1 Process for the recovery and utilization of sulphur dioxide contained in sulphurous gases, such as flue gases
07/29/1987CN86108433A Polymer/liquid crystal composite semipermeable membranes and process for use thereof
07/29/1987CN86106032A Improved column packing
07/28/1987US4683211 Calcium carbonate reacted with acid to produce carbon dioxide
07/28/1987US4683210 Method for measuring concentrations of CaCO3 and CaSO3 in a slurry
07/28/1987US4683125 Method for purifying an industrial raw material gas and a purifier for use in said method and a method of manufacturing said purifier
07/28/1987US4683076 Hydrogen sulfide, pollution control
07/28/1987US4683010 Compacted wire seal and method of forming same
07/28/1987US4682992 Microbicidal coated beads
07/28/1987US4682991 Pollution control
07/28/1987US4682549 Method and an arrangement for purifying and recovering heat energy from flue gases from refuse incineration
07/28/1987US4682468 Non-catalytic method for reducing the NO emissions of gas turbines
07/27/1987EP0140940A4 Sequenced modular bed carousel dehumidifier.
07/22/1987EP0229587A2 Process for desulphurizing hydrogen sulphide-containing gas and installation for carrying out said process
07/22/1987EP0229407A1 Process for removal of particulates and iron cyanide complex
07/22/1987EP0229373A1 System for solar energy collection and recovery
07/22/1987EP0229352A1 Metallic catalyst body with protection from radiant heat
07/22/1987EP0229261A2 Formed zeolithic object
07/22/1987EP0229229A1 Process for the production of a catalyst for the reduction of nitrogen oxides in exhaust gases
07/22/1987CN86108824A Trying process using chabazite absorbent
07/22/1987CN86106882A Liquid-gas absorbing process for purification waste gas containing benezene etc.
07/21/1987US4681851 Biologically active composition for purifying waste water and outgoing air
07/21/1987US4681746 Method of regulating the amount of reducing agent added during catalytic reduction of NOx contained in flue gases
07/21/1987US4681612 Process for the separation of landfill gas
07/21/1987US4681605 Ethyl cellulose
07/21/1987US4681531 Process and equipment for the thermic conversion of the components of gas currents contaminating the environment
07/21/1987US4681072 Method and apparatus for disposal of toxic wastes by combustion
07/21/1987US4681045 Sodium carbonate adsorbent injected into furnace
07/21/1987US4680938 Air drying system for pneumatic circuits
07/21/1987CA1224406A1 Baffle tray tower
07/16/1987WO1987004233A1 Process, device and chemisorption filter for purifying breathing air
07/16/1987WO1987003506A3 Process for single or multi-phase preferably simultaneous so2 and nox separation from flue gases in a wet process
07/16/1987DE3640119C1 Process for treating a gas stream containing nitrogen oxides
07/16/1987DE3638875A1 Device for dehumidifying air or similar gases
07/16/1987DE3624145C1 Process for removing nitrogen oxides from flue gases
07/16/1987DE3600849A1 Clean water storage vessel for reverse osmosis plant
07/16/1987DE3600462A1 Chemisorption filter package for the elimination of fickle odours, odours in sick rooms and tobacco smoke
07/15/1987EP0228885A2 Use of porous membrane in reaction process
07/15/1987EP0228630A2 Desulphurization process
07/14/1987US4680282 Pollution control catalyst for internal combustion engine exhaust gases and process for producing it
07/14/1987US4680127 Glyoxal
07/14/1987US4680040 Electrostatographic reproducing apparatus
07/14/1987US4680037 Lacunar cobalt complexes for oxygen separation
07/14/1987CA1224171A1 Biologically active composition for purifying waste water and outgoing air
07/14/1987CA1224092A1 Microporous metal-plated polytetrafluoroethylene articles and method of manufacture
07/14/1987CA1224016A1 Oxygen production by molten alkali metal salts using multiple absorption-desorption cycles
07/14/1987CA1224015A1 Flue gas desulfurization
07/14/1987CA1224010A1 Method for oxidation of flue gas desulfurization absorbent and the product produced thereby
07/09/1987DE3600293A1 Process and apparatus for the multi-stage combustion of fossil fuels
07/09/1987DE3600088A1 Process for the acute additive or selective generation for desulphurisation components and denitration components in flue gas purification plants after combustion of fuels or after melting substances
07/08/1987EP0228111A1 Process for the removal of noxious matter from waste gases
07/08/1987EP0227990A1 Process for adsorbing and separating carbon dioxide from gas mixture
07/08/1987EP0227771A1 Method for the treatment of a gas mixture by adsorpton.
07/08/1987EP0227733A1 A distillation apparatus
07/08/1987CN86206949U Smoke-treating equipment for rubber products vulcanizer
07/08/1987CN86108755A Process for purification, in particular desulphurization, of flue gas