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)
07/1987
07/08/1987CN86108305A Bed packing material
07/07/1987US4678770 Three-way catalyst for lean exhaust systems
07/07/1987US4678648 Method and apparatus for selective absorption of hydrogen sulphide from gas streams containing hydrogen sulphide and carbon dioxide
07/07/1987US4678643 Apparatus for catalytic cleaning of exhaust gases from a furnace system
07/07/1987US4678573 Fluid separation module
07/07/1987US4678482 Countercurrent scrubbing with concentrated hydrochloric and sulfuric acids
07/07/1987CA1223860A1 Carbon molecular sieves and a process for their preparation and use
07/07/1987CA1223823A1 Crossflow thin-channel module
07/07/1987CA1223739A1 Modification of deposit formation in glass furnace heat recovery
07/07/1987CA1223716A1 Liquid phase claus reaction
07/02/1987WO1987003821A1 Device for filtration of fluid medium
07/02/1987DE3638915A1 Centrifugal air classifier
07/02/1987DE3610457C1 Apparatus for unloading and charging reactor chambers with mobile modules
07/02/1987DE3544998A1 Process for reducing the NOx content of exhaust gases
07/02/1987DE3538136A1 Recovery of valuable material from the simultaneous SO2 and NOx scrubbing of preferably flue gases downstream of power stations
07/01/1987EP0227628A1 Process and apparatus for extracting liquids from aggregates and from gas/vapor mixtures
07/01/1987EP0227299A2 Polymer/liquid crystal composite semipermeable membranes and process for the use thereof
07/01/1987EP0227291A1 Process for drilling geothermal wells with removal of H2S
07/01/1987EP0226983A1 Iron containing catalyst for reducing the amount of nitrogen oxides in combustion gases
07/01/1987EP0226863A1 Method for scrubbing sulfur oxides and nitrogen oxides in a flue gas duct
07/01/1987EP0226731A1 Device for reducing the emission of noxious matter in the flue gases of combustion plants
07/01/1987CN86204179U Impact atomization desulphating dedusting unit
07/01/1987CN86108064A Alternating pressure adsorpting process and apparatus thereof
06/1987
06/30/1987US4677096 Porous substrate impregnated with zinc oxide and a water solu ble salt
06/30/1987US4677095 Stabilized alumina catalyst support coatings
06/30/1987US4677077 Method for measuring the concentration of CaCO3 in a slurry
06/30/1987US4677019 Utilize activated carbon particles sheathed with polymeric binder permeable to chemical pollutants
06/30/1987US4676960 Process for concentrating waste products arising during the manufacture of carbon electrodes
06/30/1987US4676934 Structured WV packing elements
06/30/1987US4676808 Into permeates of different concentrations
06/30/1987US4676806 Temperature sensitive control system for liquid motor and pump in a natural gas dehydration system
06/30/1987US4676299 Cooling flue gases, removing; recycling particulate and sulfur dioxide
06/30/1987US4676196 Absorbent material
06/30/1987US4676068 System for solar energy collection and recovery
06/25/1987DE3643757A1 Process and plant for solvent recovery
06/25/1987DE3642018A1 Process and apparatus for the reduction of nitrogen oxides
06/25/1987DE3546122A1 Process for the addition of reducing agent in the simultaneous removal of SO2 and NOx
06/25/1987DE3546112A1 Simultaneous SO2 and NOx removal by employing an electrolytic process while taking account of the conductivity of the scrubbing solution
06/25/1987DE3545317A1 Process and system for denitrogenating exhaust gases
06/25/1987DE3545190A1 Process for producing utilisable products downstream of a flue-gas desulphurisation
06/25/1987DE3544936A1 Free-flying body catalyst
06/25/1987DE3542271C1 Apparatus for heat recovery and removing dusts from hot exhaust gases
06/24/1987EP0226431A2 Hollow fiber separatory module
06/24/1987EP0226415A1 A continuous process for the removal of hydrogen sulfide from a gaseous stream
06/24/1987EP0226219A2 Crystalline gallophosphate compositions
06/24/1987EP0226203A2 Method and device for catalytic purification of gases with low concentration of pollution
06/24/1987EP0226141A2 Fluorinated polymeric membranes for gas separation processes
06/24/1987EP0225934A1 Method and apparatus for separating gases and gaseous mixtures by employing molecular sieves
06/24/1987EP0225876A1 Device for the dewatering of air
06/24/1987CN85109694A Honeycomb combustion catalyst of non-precious metal
06/23/1987US4675309 Adsorbent for use in selective gas adsorption-separation and a process for producing the same
06/23/1987US4675308 Three-way catalyst for lean operating engines
06/23/1987US4675169 Absorption using formate compound and an iron ii chelate; con version to hydrogen sufide and nitrogen
06/23/1987US4675167 Method of treating exhaust gases
06/23/1987US4675030 Compression, cooling to revmove water vapor; semipermeable me mbranes remove other gases
06/23/1987US4674682 Method of mixing an atomized liquid into a gas flow and a device for carrying out said method
06/23/1987US4674446 Gas dehydrator with gas recovery system
06/23/1987CA1223195A1 Closed loop water treating system
06/19/1987DE3628870A1 Process for recovery of elemental sulphur
06/19/1987DE3628205A1 Device for the controlled withdrawal of free-flowing bulk material at the underside of a bulk material column, in particular of a moving-bed filter
06/19/1987DE3544509A1 Room filter for eliminating tobacco smoke
06/19/1987DE3544367A1 Combined process for separating sulphur oxides and nitrogen oxides from flue gases
06/19/1987DE3543843A1 Process for the simultaneous scrubbing of SO2 and NOx from flue gases by the use of additives with low manganese content
06/19/1987DE3543640A1 Process for the catalytic decomposition of dinitrogen monoxide in pure form or contained in mixtures of gases
06/19/1987DE3537080C1 Exhaust pipe with built-in exhaust gas catalyst - and outer insulation coating contg. evacuated cavity with chamber filled with better alloy
06/18/1987WO1987003575A1 Method and plant for the recovery of energy from waste and residues
06/18/1987WO1987003507A1 Simultaneous so2 and nox dry absorption, preferably downstream of coal boilers, in particular fluidized bed furnaces and flue dust clouds.
06/18/1987WO1987003506A2 PROCESS FOR SINGLE OR MULTI-PHASE PREFERABLY SIMULTANEOUS SO2 AND NOx SEPARATION FROM FLUE GASES IN A WET PROCESS
06/17/1987CN86108360A Catalyst precursors
06/17/1987CN86108304A Process for separating of mixture gas and apparatus used to put it into effect
06/16/1987US4673663 Metal substrates with chrhmium and alumina layers; catalytic converters
06/16/1987US4673558 Removal of halogen compounds with magnesium oxide
06/16/1987US4673557 Using a solid zinc oxide-zeolite absorbent
06/16/1987US4673556 Method of simultaneous oxidation of carbon monoxide and unburned fuel in methanol vehicle exhaust
06/16/1987US4673420 Desiccant dryer
06/16/1987US4673419 Air dryer device
06/16/1987US4673418 Mixing membrane forming polymer, solvent, and swelling agent, spread to form thin film, then evaporation
06/16/1987US4673415 Oxygen production system with two stage oxygen pressurization
06/16/1987US4672809 Catalytic converter for a diesel engine
06/16/1987EP0225864A1 Process for separating gas mixtures, and apparatus for carrying out this process
06/16/1987EP0225817A1 Process and apparatus for ammonia treatment
06/16/1987EP0225736A1 Molecular sieve bed containers
06/16/1987EP0225649A2 Drying process using chabazite-type adsorbents
06/16/1987EP0225605A1 Pressure swing adsorption process
06/16/1987EP0225595A2 Non-noble metal combustion catalyst and process for its preparation
06/16/1987EP0225475A1 Device for the controlled discharge of free-flowing bulk material from the bottom side of a bulk material column, especially of a moving-bed filter
06/16/1987CA1222996A1 Catalytic hydrolysis of carbonyl sulfide
06/16/1987CA1222941A1 Single stage liquid motor and pump
06/16/1987CA1222940A1 Process and apparatus for a recovery of heat comprising a heat-recovering absorption of water vapor from gases
06/16/1987CA1222892A1 Non-porous hydrogen diffusion membrane and utilization thereof
06/11/1987DE3608315A1 Simultane so(pfeil abwaerts)2(pfeil abwaerts)- und no(pfeil abwaerts)x(pfeil abwaerts)-trockenabsorption vorzugsweise hinter kohlekesseln, insbesondere wirbelschichtfeuerungen und flugstaubwolken As simultaneous (Down Arrow) 2 (Down Arrow) - and no (down arrow) x (down arrow) -trockenabsorption preferably behind coal boilers particular fluidised bed combustion and dust clouds flight
06/11/1987DE3542907A1 Process for simultaneously separating out SO2 and NOx from the flue gases of combustion boilers
06/10/1987EP0225178A1 A process for purification, in particular desulphurization, of flue gas
06/10/1987EP0224889A2 Process for eliminating hydrogen sulfide from a flue gas
06/10/1987EP0224865A2 Method for producing healthy respiration air, particularly for omnibus drivers
06/10/1987EP0224627A1 Method for desulfurizing exhaust gas
06/10/1987CN86107272A Catalyst for reduction of nitric oxide
06/09/1987US4672052 Catalyst for removal of nitrogen oxides from exhaust gases
06/09/1987US4671875 Bundle of hollow fiber membranes in cylindrical shell
06/09/1987US4671809 Gas separation module