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)
03/1998
03/10/1998US5725633 Sulfonated polyimide gas separation membranes
03/10/1998US5725632 Method for processing and utilizing metalliferous presipitates from the gas cleaning phase in thermal waste treatment
03/10/1998US5724833 Control scheme for cryogenic condensation
03/10/1998US5724808 Air-fuel ratio control system for internal combustion engines
03/10/1998CA1339702C Apparatus and method for the removal of impurity gases from inert gases and the ensurance of the extremely low levels of hydrogen
03/06/1998CA2210356A1 Process for removing sulfur-dioxide and nitrogen oxide from gaseous stream
03/05/1998WO1998008592A1 Process and device for plasma-chemical decomposition and/or destruction of pollutants
03/05/1998WO1998008591A1 Hollow, multi-dimensional array membrane
03/05/1998WO1998008590A1 Process and devices to clean and reuse displaced outgoing air containing additives (e.g. solvents) or pollutants
03/05/1998WO1998008583A1 On-line recovery of xenon from anaesthetic gas
03/05/1998DE19636243A1 Improving operation of wet desulphurisation process
03/05/1998DE19635829A1 Production of granules for acidic gas removal
03/05/1998DE19635232A1 Verfahren und Vorrichtung zur plasmachemischen Zersetzung und/oder Vernichtung von Schadstoffen Method and apparatus for plasma-chemical decomposition and / or destruction of contaminants
03/05/1998DE19635231A1 Diesel exhaust gas purification unit combining high-frequency silent plasma discharge and catalytic action
03/05/1998DE19635095A1 Agent for neutralising and deodorising ammonia and sulphur di:oxide
03/05/1998DE19635094A1 Apparatus for neutralising and deodorising ammonia and sulphur di:oxide
03/05/1998DE19635075A1 Verfahren und Vorrichtung zur Reinigung und Wiederverwendung von Abluft Method and apparatus for cleaning and reuse of waste air
03/05/1998DE19635002A1 Verfahren zur Online-Rückgewinnung von Xenon aus Narkosegas A method for on-line recovery of anesthetic gas xenon from
03/05/1998DE19634566A1 Automotive cabin air inlet detects difference between actual air pollution value and comparative value to control use of incoming fresh air
03/05/1998CA2264627A1 Process and devices to clean and reuse displaced outgoing air containing additives (e.g. solvents) or pollutants
03/05/1998CA2264062A1 Hollow, multi-dimensional array membrane
03/05/1998CA2263309A1 Process for reducing co and cos emissions from a fluidized bed reactor for chlorinating titanium containing material
03/04/1998EP0826631A1 Heat-resistant low-silica zeolite, and process for production and application thereof
03/04/1998EP0826629A2 Recovery of noble gases
03/04/1998EP0826610A1 Refuse receptacle with a lid comprising a filter
03/04/1998EP0826531A2 Air-purifying filter and air-purifier for automobile
03/04/1998EP0826419A1 ZnO-Pd composite catalyst and production method therefor
03/04/1998EP0826411A2 Catalyst for purifying exhaust gas
03/04/1998EP0826410A2 Catalyst for purifying exhaust gas
03/04/1998EP0826409A1 DeNOx catalyst for dust-laden waste gases
03/04/1998EP0826408A1 Process for reductive elimination of nitrogen oxides from dust-laden exhaust gases of a cement factory
03/04/1998EP0826097A1 Pre-mixing chamber for an exhaust gas cleaning unit
03/04/1998EP0826077A1 Electrode, electrochemical cell and electrochemical processes
03/04/1998EP0756514B1 Diaphragm separator with cooling device
03/04/1998EP0737094B1 Purification of natural gas
03/04/1998EP0670175B1 Exhaust gas boiler
03/04/1998CN2275476Y Overflow-type device for absorption of triphene waste gas
03/04/1998CN1174811A Process for decomposing fluorocarbons, reagent and apparatus used therefor
03/04/1998CN1174810A Multi-function iron oxide fine sweetening agent and preparation thereof
03/04/1998CN1174751A Improved vacuum pressure-changeable absorption method
03/03/1998US5723838 Method for treating incinerator effluent gas
03/03/1998US5723717 Degassing carbon-containing wastes, gasifying remaining wastes, cooling with water to form dispersion of carbon in water, drying, recycling into waste gasification step
03/03/1998US5723404 Process for the production of mixed oxide powders for catalysts for the removal of nitrogen oxides
03/03/1998US5723099 Method and apparatus for remediation of toxic flue gases
03/03/1998US5723074 Oxygen ion-conducting dense ceramic
03/03/1998US5723035 Coated membranes
02/1998
02/26/1998WO1998008282A1 Corona discharge pollutant destruction apparatus and manufacture method
02/26/1998WO1998007968A1 Device and method for reduction of oxides of nitrogen
02/26/1998WO1998007931A1 Building material having photo-catalytic function
02/26/1998WO1998007652A2 Process for abatement of nitrogen oxides in exhaust from gas turbine power generation
02/26/1998WO1998007504A1 NOx-ADSORBER
02/26/1998WO1998007503A1 Method and apparatus for purifying contaminant-containing gas
02/26/1998WO1998007502A1 Process for reducing total sulphur content in gases containing hydrogen sulphide and other sulphur components
02/26/1998WO1998007501A1 Process and composition for increasing the reactivity of sulfur scavenging iron oxides
02/26/1998WO1998007500A1 Automatic control system and method for corona discharge pollutant destruction apparatus
02/26/1998WO1998007499A1 Deposited inner electrode for corona discharge pollutant destruction reactor
02/26/1998WO1998007498A1 Desiccant based dehumidifier
02/26/1998WO1998007497A1 SPARK-IGNITED INTERNAL COMBUSTION ENGINE WITH AN NOx-ADSORBER
02/26/1998WO1998007493A1 Nanometer sized metal oxide particles for ambient temperature adsorption of toxic chemicals
02/26/1998DE19645585A1 Compact, catalytic flue gas cleaning unit tackling widely-varying flowrates and temperatures from smaller combustion plants
02/26/1998DE19633567A1 Environment-friendly incineration of rubbish
02/26/1998DE19633494A1 Apparatus for air treatment
02/25/1998EP0825695A2 Power processor circuit and method for corona discharge pollutant destruction apparatus
02/25/1998EP0825694A2 Fuel injection system and method for treatment of no x in a corona discharge pollutant destruction apparatus
02/25/1998EP0825693A2 Indoor air pollutant destruction apparatus and method using corona discharge
02/25/1998EP0825692A2 Multi-stage gaseous pollutant destruction apparatus and method
02/25/1998EP0825691A2 Multi-electrode corona discharge pollutant destruction apparatus and method
02/25/1998EP0825152A1 Zeolite NU-88, method for its preparation and its catalytic uses
02/25/1998EP0824973A2 Method and installation for cleaning a contaminated object
02/25/1998EP0824955A1 Exhaust emission control composite catalyst assembly, and exhaust emission control modifying catalyst
02/25/1998EP0824954A2 Process for joint-purification of waste gases obtained in the production of mineral fertilizers by means of a scrubbing solution
02/25/1998EP0824953A1 Method for measuring oxidation-reduction potential in a flue gas desulfurization process
02/25/1998EP0824952A2 NOx reduction method in corona discharge pollutant destruction apparatus
02/25/1998EP0824951A1 Installation for the separation of a gas mixture
02/25/1998EP0824653A1 Effluent gas treatment
02/25/1998EP0824499A1 Apparatus and method for reducing the pressure in a volatile organic chemical tank ullage
02/25/1998EP0824377A1 Air purifier
02/25/1998EP0824366A1 An effluent treatment system
02/25/1998EP0797476A4 Aircraft oxygen supplying apparatus and method
02/25/1998CN1174520A Method and apparatus for treating atmosphere
02/25/1998CN1174519A Pollutant treating device located in vehicle compartment for cleaning ambient air
02/25/1998CN1174518A Blower
02/25/1998CN1174517A Zeolitic desulfurazation agents and their application to CO2 -containing gas treatment
02/25/1998CN1174097A Catalyst element for purifying exhaust of internal combustion engine
02/24/1998US5721037 Honeycomb structural bodies and method of producing the same
02/24/1998US5720931 Catalytic oxidation of organic nitrogen-containing compounds
02/24/1998US5720927 Impinging flow of chemical compound on heated member
02/24/1998US5720926 Apparatus for removing a contaminant from a gas
02/24/1998US5720886 Mixing anionic polymer with mine waste water to form complex, mixing with source of ferric ions, then with source of hydroxyl ions, adding flocculant to precipitate complex, separating into clean water and high density sludge
02/24/1998US5720797 Pressure swing adsorption
02/24/1998CA2101955C Engine exhaust alumina catalyst carrier
02/24/1998CA2013624C Process for the removal of chlorine from off-gases
02/21/1998CA2213605A1 Plant for separating a gas mixture
02/19/1998WO1998007082A2 Apparatus and method for controlling output of an oxygen concentrator
02/19/1998WO1998006934A1 Catalytic converter
02/19/1998WO1998006494A1 Method for treating a catalyst having an active sulphurous phase and contaminated by a mercury compound
02/19/1998WO1998006492A1 Exhaust emission control catalyst for diesel engines
02/19/1998WO1998006480A1 Environmental control system incorporating a catalytic reactor for the decomposition of ozone
02/19/1998WO1998006479A1 Environmental control system incorporating a dual bed reactor
02/19/1998WO1998006478A1 Process for the removal of mercury from smelter gases
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