Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › 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
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)
10/1999
10/12/1999US5964221 Gas adsorbent system used in a self-contained breathing apparatus
10/12/1999US5964089 For purifying exhaust gas of an internal combustion engine
10/12/1999US5964088 Device for purifying exhaust gas of engine
10/12/1999CA2144082C Toxic remediation system and method
10/07/1999WO1999050549A2 Engine system with an internal combustion engine and method for controlling an internal combustion engine
10/07/1999WO1999050540A1 Honeycomb body having an adsorption material, especially for a hydrocarbon trap
10/07/1999WO1999050180A1 Method of processing sulfur-containing materials derived from flue gas desulfurization or other sources
10/07/1999WO1999050000A1 System for the fast and removable covering of loads of waste with sheets of adsorbing and transpiring material
10/07/1999WO1999049964A1 Shaped body of zeolite, a process for its production and its use
10/07/1999WO1999049958A1 Internal combustion engine exhaust system and method for reducing contaminants in exhaust gases
10/07/1999WO1999049957A1 Method and device for catalytic reduction of nitrogen oxides in the exhaust gas of an internal combustion system
10/07/1999WO1999049956A1 Method and device for catalytic removal of a pollutant contained in the exhaust gas of an internal combustion system
10/07/1999WO1999049955A1 Portable rotary catalytic oxidizer systems
10/07/1999WO1999049954A1 Method for the conversion of dinitrogen oxide
10/07/1999WO1999035107A3 Odor-free composting method and installation
10/07/1999DE19914774A1 Exhaust gas purification unit based on porous metal or ceramic granules of differing type, density and size
10/07/1999DE19816373A1 Autonomous breathing gas production, treatment and supply to a diver
10/07/1999DE19815564A1 High strength optionally honeycomb-structured zeolite bodies useful as adsorbers or in gas drying etc.
10/07/1999DE19815377A1 Formstabiles, durchströmungsporöses Fluidbehandlungselement, insbesondere Heißfluid-Filterelement Dimensionally stable, permeable porous fluid treatment element, in particular hot fluid filter element
10/07/1999CA2268317A1 Process and unit for the production of oxygen through short cycle adsorption
10/06/1999EP0947788A1 Air purification by reversible heat exchangers and water adsorbent bed
10/06/1999EP0947673A2 Method for assembling a catalytic converter having a ceramic honeycomb and supporting member therefor
10/06/1999EP0947465A1 Ozone storage/recovery method and system therefor
10/06/1999EP0947366A2 Air filter assembly for automotive fuel vapour recovery system
10/06/1999EP0947238A2 Apparatus for oxidizing and removing matter from a hazardous gas flow
10/06/1999EP0947236A1 Catalyzed hydrocarbon trap material and method of making the same
10/06/1999EP0947235A1 Exhaust gas purifying catalyst
10/06/1999EP0947234A1 A single-stage and dry catalytic process for the simultaneous removal of sulfur dioxide and nitrogen oxides from gas streams
10/06/1999EP0947233A1 Method and apparatus for processing polluted gas containing harmful substances
10/06/1999EP0947232A2 Oil removing filter with associated pressure valve for compressed air supply systems
10/06/1999EP0946475A1 Process and plant for the production of methanol
10/06/1999EP0946420A1 Cerium and zirconium oxides, mixed oxides and solid solutions having improved thermal stability for catalysis of exhaust gas systems and methods of producing
10/06/1999EP0946419A1 LaMO 3? TYPE COMPOSITION, M BEING ALUMINIUM, GALLIUM OR INDIUM, IN POWDER OR SINTERED FORM, METHOD OF PREPARATION AND USE AS CONDUCTOR OF OXYGEN
10/06/1999EP0946410A1 Process for recovering sulfur hexafluoride
10/06/1999EP0946291A1 Catalyst composition containing oxygen storage components
10/06/1999EP0946275A1 Process and plant for reforming hydrocarbonaceous feedstock
10/06/1999EP0946271A1 Composite membrane comprising a polyether-polyester block copolymer coating for separating polar gases from gaseous mixtures
10/06/1999EP0946270A1 Permeable composite material, method for producing said composite material, and use of the same
10/06/1999EP0946266A1 Method for treating exhaust gas of internal combustion engines functioning with sulphur-containing fuel
10/06/1999EP0946265A1 Composition for treating fumes and uses
10/06/1999EP0946264A1 Catalyst, in particular for reducing no x?, and method for reducing no x?
10/06/1999EP0946263A1 Process for biological removal of sulphide
10/06/1999EP0946262A1 Method and apparatus for treating flue gas
10/06/1999EP0946261A1 Process for removing chlorine from gas stream
10/06/1999EP0946260A1 Rebreather adsorbent system
10/06/1999EP0946259A1 Method and agent for desulphurisation
10/06/1999EP0946258A1 Container of a drying unit involving an adsorbent
10/06/1999EP0946257A1 Diffusional gas transfer system and method of using same
10/06/1999EP0946256A2 Plasma-assisted catalytic reduction system
10/06/1999EP0946255A1 Pollutant removal from air in closed spaces
10/06/1999EP0946254A1 METHOD FOR REDUCING NOx FROM EXHAUST GASES PRODUCED BY INDUSTRIAL PROCESSES
10/06/1999EP0946251A2 Device for separating from a gas stream liquids and/or solid matters or gases having a different specific weight
10/06/1999EP0946233A1 Method of gasifying or degasifying a liquid
10/06/1999EP0846027B1 Cloth or cloth-like packing which is subject to low pressure losses and has an ordered structure for use in material-exchange columns and rectification method using such packing
10/06/1999EP0740580B1 Desulfurizing a gas stream
10/06/1999CN2341700Y Smoke removing and devulcanizer
10/06/1999CN1230899A Three-way conversion catalysts and methods for the preparation therefor
10/06/1999CN1230898A Gas-liquid separator
10/06/1999CN1230454A Method of processing sulfur-containing materials derived from flue gas desulfurization or other sources
10/06/1999CN1230453A Process for gas separation by adsorption with variable production rate
10/06/1999CN1230452A Removal of carbon dioxide from gas streams
10/06/1999CN1230451A Comprehensive treatment system of eliminating acid rain, black smoke, dust and noise and saving energy
10/05/1999US5962358 Binder-free molecular sieve zeolite granules which contain zeolites of the type lithium zeolite A and lithium zeolite X
10/05/1999US5962305 Bacterial strain jmc1 (ferm bp-5960) constitutively expressing oxygenase; can proliferate and degrade aromatic compounds and chlorinated aliphatic hydrocarbons at 4 degrees celsius
10/05/1999US5961942 Effluent gas treatment
10/05/1999US5961929 Top-milled channeling for removal of oxygen from an oxygen generator
10/05/1999US5961920 Ozone is generated in the medium, which ozone is exposed to uv radiation at the same time as it is being generated, so that the ozone is broken down and free radicals are obtained.
10/05/1999US5961844 Process for the removal of NOx from a fluid stream
10/05/1999US5961837 Process for treatment of industrial waste
10/05/1999US5961829 Method and an apparatus for the purification of water, more particularly from a composting process
10/05/1999US5961698 Twin tower air dryer
10/05/1999US5961697 Bulk storage and dispensing system for fluids
10/05/1999US5961695 Method for treating silane-containing gas
10/05/1999US5961694 Apparatus and process for the separation of gas mixtures by pressure swing adsorption
10/05/1999US5961692 System and method of improving performance of a gas membrane dehydrator
10/05/1999US5960777 Combustion engine air supply system
10/05/1999CA1340777C Process and facility for the treatment of sulfur dioxide-containing gas effluents with oxygen
09/1999
09/30/1999WO1999049191A1 Exhaust gas filter temporarily arranged at a vehicle exhaust pipe
09/30/1999WO1999049190A1 Method and arrangement for control of air-fuel ratio of combustion engine
09/30/1999WO1999048597A1 Catalytic converter body
09/30/1999WO1999048596A1 Method for the catalytic treatment of pollutant-containing gases whilst preventing capillary condensation
09/30/1999WO1999048595A1 Oxygen generator system and method for operating the same
09/30/1999WO1999048594A1 Installation for treating gas with adsorbent disc filter
09/30/1999WO1999048593A1 Sequential adsorptive capture and catalytic oxidation of volatile organic compounds in a reactor bed
09/30/1999DE19913626A1 Honeycomb structure used as catalyst carrier for purifying exhaust gases from IC engines
09/30/1999DE19912833A1 System controlling air fuel ratio of lean burn engine with NOx storage catalyst
09/30/1999DE19819579C1 Secondary treatment of exhaust from lean burn diesel engine with SCR catalyst, minimizing pump usage and energy consumption
09/30/1999DE19813654A1 Verfahren zum Betreiben einer Abgasreinigungsanlage enthaltend eine Schwefelfalle und einen Stickoxid-Speicherkatalysator Method for operating an exhaust gas purification system containing a sulfur trap and a nitrogen oxides storage catalyst
09/30/1999DE19813582A1 Verfahren zur Entsorgung eines in einem Behälter eingeschlossenen, fluorierten Gases und Vorrichtung zur Durchführung dieses Verfahrens A method for disposing of an enclosed in a container, fluorinated gas and apparatus for carrying out this method
09/30/1999DE19812321A1 Katalysatorkörper Catalyst body
09/30/1999DE19810028A1 Verfahren zur Rückgewinnung und/oder Entfernung organischer Verbindungen aus Gasströmen A method of recovering and / or removing organic compounds from gas streams
09/30/1999CA2267050A1 Air filter assembly for automotive fuel vapor recovery system
09/29/1999EP0945608A2 Process for operating an exhaust gas purification apparatus comprising a sulfur-trap and a nitrogen oxide storage catalytic converter
09/29/1999EP0945600A1 Exhaust gas purifying apparatus for an internal combustion engine
09/29/1999EP0945178A1 Exhaust emission control catalyst for diesel engines
09/29/1999EP0945177A2 Method for producing spinel extrudates
09/29/1999EP0945167A2 Catalyst and system for exhault gas purification
09/29/1999EP0945166A1 Catalyst for reducing NOx in combustion exhaust gases
09/29/1999EP0945165A2 Sulphur oxide storage material
09/29/1999EP0945164A1 Wet type exhaust gas desulfurization method
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