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)
08/1982
08/17/1982CA1129626A1 Processes for separating at least one gas from a gaseous feed mixture by using at least two permeator stages in series
08/11/1982EP0057624A2 Process for deodorizing air
08/11/1982EP0057468A2 Louver construction for supporting a charge of particulate material
08/11/1982EP0057333A1 Cordierite bead catalyst support and method of preparation
08/10/1982US4343778 Process for the purification of residual industrial gases containing small quantities of sulfur compounds
08/10/1982US4343777 Method of scrubbing acid gases containing polymerizable organic components
08/10/1982US4343776 Group viii metal, oxide or aluminate
08/10/1982US4343771 Scrubbing sulfur dioxide frow waste gas
08/10/1982US4343770 Hydride-forming alloy, catalyst for converting oxygen and hydrogen to water
08/10/1982US4343765 Flow over bed of oxidizer which is regenerated by ozone
08/10/1982US4343716 1-Secondary or 1-tertiary alkyl or cycloalkyl-hexahydro-2-pyrimidinones and 1-secondary or 1-tertiary alkyl or 1-cycloalkyl-2-imidazolidinones and their use as antifoaming agents
08/10/1982US4343629 Process and apparatus for recovering hydrocarbons from air-hydrocarbon vapor mixtures
08/10/1982CA1129395A1 Catalyst for purifying gas and method of manufacturing the same
08/10/1982CA1129351A1 Filter element of sheets of a flexible, elastic, porous, cellular material and a granular adsorbent
08/10/1982CA1129350A1 Filter element of sheets of a flexible, elastic, porous, cellular material and granular absorbent bonded with a pressure-sensitive adhesive
08/10/1982CA1129181A1 So.sub.2 scrubbing system for flue gas desulfurization
08/10/1982CA1129175A1 Sulfur and sulfur compounds oxidation process
08/05/1982WO1982002537A1 Process for preparing carbonaceous material for use in desulfurization
08/05/1982WO1982002499A1 Dry bed scavenging hydrogen sulfide from gas
08/04/1982EP0057019A2 A process for removing acidic gases from gaseous mixtures
08/04/1982EP0056926A1 Waste water recycling and treatment by adsorption of non-biodegradable substances such as humic and sulfonic acids, melanoidine and chlorinated organics on lignite coke, in all kinds of solid-liquid reactors
08/03/1982US4342733 Adding phosphorous containing topping agents
08/03/1982US4342732 Mixing calcium sulfate and sulfite with calcium bisulfite, precipitation and crystallization
08/03/1982US4342731 Method for removing hydrogen sulfide from coke oven gas
08/03/1982US4342700 Oxidation-reduction reagents for a wet desulfurization process and a process for preparing same
08/03/1982US4342573 Compact oxygen concentrator
08/03/1982CA1128875A1 Fluid filter
07/1982
07/28/1982EP0056729A2 Catalysts
07/28/1982EP0056584A1 Bifunctional filter for the treatment of waste gas
07/28/1982EP0056459A1 Method of removing halogen from the reaction of gases of pyrogenic production of silica
07/27/1982US4341747 Oxidation with nitric acid and hydrogen peroxide
07/27/1982US4341746 Removal of degradation product from gas treating solution
07/27/1982US4341745 Adsorbent of red mud and an alkaline earth metal or aluminum hydroxide
07/27/1982US4341539 Thermally regenerative desiccant element
07/27/1982US4341536 Method for continuously removing fine dust particles from gases
07/27/1982US4341184 Method and device avoiding the pollution of the atmosphere by noxious gases
07/27/1982CA1128497A1 Tube sheet accommodating differential expansion
07/27/1982CA1128490A1 Ozone control
07/27/1982CA1128316A1 Process for synthesis gas mixtures
07/27/1982CA1128293A1 Removal of acid gases from a gas mixture
07/22/1982WO1982002346A1 Scavenging hydrogen sulfide from hydrocarbon gases
07/22/1982WO1982002342A1 Removal of hydrocarbon compositions
07/21/1982EP0056246A1 Process for selectively separating and producing ammonia from gas mixtures containing ammonia and hydrogen sulfide
07/21/1982EP0056197A1 Process for removal of sulfur from moisture-bearing, sulfur-containing hydrocarbon process streams
07/21/1982EP0056180A1 Method and composition for inhibiting the amount of oxidation of sulfite in a sulfite containing aqueous gas scrubber medium
07/20/1982US4340572 Process for recovering heat from stack or flue gas
07/20/1982US4340505 Coated cylinders
07/20/1982US4340400 Fluidized bed filtering and/or heat exchange apparatus particularly for gaseous discharges from internal combustion engines and industrial plants
07/20/1982US4340399 Method of removing alkali metal contamination from a gaseous stream
07/20/1982US4340398 Pressure swing adsorption recovery
07/20/1982US4339883 Process and apparatus for the separation of harmful substances from waste gases, particularly in the drying of wood chips
07/20/1982CA1128031A1 Catalyst comprising a metal substrate
07/20/1982CA1127979A1 Multiple bed rapid pressure swing adsorption for oxygen
07/20/1982CA1127973A1 Catalytic apparatus
07/14/1982EP0055962A2 Repressurisation for pressure swing adsorption system
07/14/1982EP0055961A2 Repressurization process for pressure swing adsorption system
07/14/1982EP0055839A1 Hollow fibre membrane-type fluid separation apparatus
07/14/1982EP0055786A1 Process for treating contaminated activated carbon
07/13/1982US4339309 Method for removing fluoride contamination from nitric acid
07/13/1982US4339248 Spraying paints, polyethers
07/13/1982CA1127620A1 Catalyst for oxidation of sulfur dioxide
07/13/1982CA1127560A1 Cumene recovery
07/13/1982CA1127559A2 Downflow or upflow adsorbent fractionator flow control system
07/13/1982CA1127558A2 Downflow or upflow adsorbent fractionator flow control system
07/13/1982CA1127557A1 Method of operating a cyclical pressure-swing adsorption installation
07/13/1982CA1127556A1 Gas mixture separation apparatus
07/13/1982CA1127472A1 Gas separation membranes and process for the preparation thereof
07/13/1982CA1127379A1 Process for the removal of acid gases from a gas mixture
07/13/1982CA1127378A1 Selective removal of a gaseous component from a multi-component gas stream
07/13/1982CA1127377A1 Selective removal of h.sub.2s from an h.sub.2s and co.sub.2 containing gas stream
07/13/1982CA1127373A1 Process for treating the residual gas obtained in the production of cyanuric chloride
07/08/1982WO1982002151A1 A process of cleaning flue gases from heating plants,and a cleaning plant for carrying out the process
07/07/1982EP0055669A1 Repressurization for pressure swing adsorption system
07/07/1982EP0055535A1 Fluid purification
07/07/1982EP0055497A1 Removal of hydrogen sulphide and carbonyl sulphide from gaseous mixtures
07/07/1982EP0055496A1 Method for removing vinyl chloride from an aqueous sluray of polyvinyl chloride particles
07/06/1982US4338107 Wash system gas separation
07/06/1982US4338103 Scrubber
07/06/1982US4338101 Adsorption, desorption, condensation, absorption in liquid, circulation
07/06/1982CA1127184A1 Method to selectively recover sodium citrate from an aqueous solution
07/06/1982CA1127094A1 Gas chromatographic chamber
07/06/1982CA1127072A1 Centrifugal wet gas scrubbing method and apparatus
07/06/1982CA1127068A1 Mass transfer equipment
07/06/1982CA1126931A1 Hydrogen sulfide concentrator for acid gas removal systems
07/06/1982CA1126930A1 Method for treating residue gases proceeding from sulphur removing units and plants for carrying out the said method
07/06/1982CA1126929A1 Maintaining the selective removal of h.sub.2s from a variably flowing gas stream containing h.sub.2s and co.sub.2
06/1982
06/30/1982EP0054941A2 Oxygen enriched gas supply arrangement for combustion
06/30/1982EP0054783A1 Process and apparatus for separating hydrogen sulphide and carbon dioxide from a gas mixture
06/30/1982EP0054772A1 Process for cleaning a gas stream
06/30/1982EP0009038B1 Soluble compound of vanadium used in a method of removing hydrogen sulphide from a gas mixture
06/29/1982US4337231 Removal of sulfur dioxide from exhaust gas
06/29/1982US4337230 Adding calcium based alkali then decarbonization and oxidation
06/29/1982US4337229 Treatment of flue gases
06/29/1982US4336769 Integral vapor generator/gasifier system
06/24/1982WO1982002038A1 Treatment of flue gases
06/23/1982EP0054472A1 Catalyst and process for engine flue gas treatment
06/23/1982EP0054257A2 Odor absorbing compositions
06/23/1982EP0054020A1 A device for the diffusion of substances between two fluids via semipermeable membranes
06/23/1982EP0054019A1 A device for the diffusion of substances between two fluids via semipermeable membranes
06/22/1982US4336233 Removal of CO2 and/or H2 S and/or COS from gases containing these constituents