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)
09/1998
09/02/1998EP0861209A1 Ca(OH)2 PARTICLES
09/02/1998EP0861116A1 Method for catalytically processing gases with a high oxygen content to reduce nitrogen oxide emissions
09/02/1998EP0813648B1 Device and method for heating a catalytic converter for the exhaust of an internal-combustion engine
09/02/1998EP0710147B1 Biological filter for removing volatile hydrophobic compounds from gas emissions
09/02/1998EP0696229B1 Process for making catalyser and catalyser made by said process
09/02/1998EP0619757B1 Catalytic filtration device and method
09/02/1998CN2289977Y Multipoint discharging pole electrostatic kitchen ventilator
09/02/1998CN1192262A Effluent gas treatment
09/02/1998CN1191779A Garbage disposing device
09/02/1998CN1191777A Flue gas treating process and apparatus
09/02/1998CN1191767A Hollow fiber fluid separator with transverse flow channels
09/02/1998CN1191764A Air dehumidifying method and equipment
09/02/1998CN1191763A Membrane control system and process
09/01/1998US5801117 Comprising supported silver sulfate or silver chloride or silver with sulfuric acid
09/01/1998US5801114 Catalysts selective for the reduction of nitrogen oxides to nitrogen in an oxidizing medium, a process for their preparation and their use
09/01/1998US5800793 Process for reducing NOx from mobile source engine exhaust
09/01/1998US5800792 Thermooxidation of gases to remove noxious gas such as monosilane
09/01/1998US5800790 Heat resistant stainless steels to form coils and fibers
09/01/1998US5800706 Nanofiber packed beds having enhanced fluid flow characteristics
09/01/1998US5800594 Column and processes for purifying solvent-containing gases
09/01/1998US5800593 Separation of clays from sulfides, oxidation and recovering metals
09/01/1998US5800582 Compact water collector
09/01/1998US5799676 Nonaqueous solvent regenerating apparatus for use in cleaning
09/01/1998US5799652 Hypoxic room system and equipment for Hypoxic training and therapy at standard atmospheric pressure
09/01/1998US5799505 System for producing cryogenic liquefied industrial gas
08/1998
08/28/1998CA2230618A1 Indoor air quality gas phase return air cleaner
08/28/1998CA2230016A1 Process for manufacturing a ferritic stainless steel strip with a high aluminum content that can be used, among other things, as a support for catalytic converters on automobiles
08/27/1998WO1998036820A1 Apparatus for removing contaminants from gaseous stream
08/27/1998DE19807356A1 Disposal of filter dust and flue gas purification residues from waste incineration plants
08/27/1998DE19749751A1 Composting assembly for food residues
08/27/1998DE19708746A1 Adsorber/catalyst composite
08/27/1998DE19707150A1 Condenser drying aerosol passing to plasma excitation in spectroscopic analysis
08/27/1998DE19706813A1 Sorbent for gases
08/27/1998DE19706095A1 Flue gas treatment from waste incineration plants
08/27/1998DE19705969A1 Improving flue gas treatment using atomised aqueous lime mixture
08/27/1998DE19705897A1 Verfahren zur Unterdrückung der Bildung von Schwefelsäureaerosolen in Abgasreinigungsanlagen A method for suppressing the formation of sulfuric acid aerosols in exhaust gas purification systems
08/27/1998DE19616747A1 Bio active filter
08/27/1998CA2229993A1 Fixed-bed temperature swing catalytic process for chemical reactions
08/26/1998EP0860647A2 Integrated high pressure fill port and flow controller for cylinder recharger
08/26/1998EP0860646A2 Oxygen concentrator
08/26/1998EP0860594A1 Regeneration method of a nitrogen oxides trap in the exhaust system of a cobustion engine and device for carrying out this method
08/26/1998EP0860197A1 Process for treating exhaust gas and exhaust gas treating equipment
08/26/1998EP0860196A1 Flue gas treating process and apparatus
08/26/1998EP0860195A2 System for energy recovery in a vacuum pressure swing adsorption apparatus
08/26/1998EP0860194A1 A process for drying compressed air
08/26/1998EP0860193A1 Method for purifying gas loaded with dust
08/26/1998EP0860021A1 Facility for treating objects in a process tank
08/26/1998EP0859659A1 Method of removing nitrogen oxides from a gas flow
08/26/1998EP0769041B1 Removal of hydrogen sulfide from anaerobic digester gas
08/26/1998EP0755496A4 System and method for flue gas purification for thermal power units
08/26/1998EP0652804B1 Process for disposing of environmentally harmful substances
08/26/1998EP0507806B1 Adsorbent activated carbonized polyarylamides
08/26/1998CN1191471A Membranes of polyurethane based on materials including polyester polyols
08/26/1998CN1191211A Aqueous alkaline earth nitrate fertilizer composition and process for making the same
08/26/1998CA2227853A1 Gas separation
08/26/1998CA2227799A1 Air separation
08/25/1998US5798497 Tunable, self-powered integrated arc plasma-melter vitrification system for waste treatment and resource recovery
08/25/1998US5798088 Method for producing elemental sulfur from sulfur-containing gases
08/25/1998US5798087 Complete combusting the pure hydrogen sulfide separated from dehydrogenation, desulfurization of raw fuel
08/25/1998US5798055 Oxygen scavenging metal-loaded ion-exchange compositions
08/25/1998US5797997 Oxygen producing thermophotovoltaic systems
08/25/1998US5797981 Process for de-acidifying a gas for production of concentrated acid gases
08/25/1998US5797980 Process and installation for the treatment of atomospheric air
08/25/1998US5797979 Adsorption and desorption of hydrogen sulfide and carbon disulfide using fluoride or acetate counter anion containing anion exchange resin which has quaternary ammonium functionality
08/25/1998US5797737 Catalytic combustion system with multistage fuel injection
08/25/1998US5797263 Exhaust emission control apparatus
08/25/1998US5797183 Method for producing an apparatus for catalytically decontaminating exhaust gases
08/21/1998CA2229945A1 Method for purifying gas loaded with dust
08/20/1998WO1998036275A1 Apparatus for extracting a gas from a liquid and delivering the gas to a collection station
08/20/1998WO1998035909A1 Air ozone mixer and ozone fog generator
08/20/1998WO1998035745A1 Method for preventing the formation of sulfuric acid aerosols in flue gas cleaning plants
08/20/1998WO1998035744A1 Apparatus and method for removing entrained liquid from gas or air
08/20/1998DE19707339A1 Treating red sludge from mining operations, by mixing with chalk and water
08/20/1998DE19706541A1 Reaction vessel
08/20/1998DE19705490A1 Easily manufactured catalyst assembly for exhaust gases comprising ceramic substrate with mineral and noble metal coatings
08/20/1998CA2281088A1 Apparatus for extracting a gas from a liquid and delivering the gas to a collection station
08/20/1998CA2270152A1 Apparatus and method for removing entrained liquid from gas or air
08/19/1998EP0859133A1 Method of making a catalytic converter for use in an internal combustion engine
08/19/1998EP0858985A2 Aqueous alkaline earth nitrate fertilizer composition and process for making same
08/19/1998EP0858837A2 Process for regenerating a storage catalyst
08/19/1998EP0858827A1 Membrane element
08/19/1998EP0858826A2 Air separation system and method
08/19/1998EP0858429A1 Composition containing at least sodium bicarbonate, preparation method therefor and uses thereof
08/19/1998EP0858428A1 Method for processing flue gases containing sulphur oxides
08/19/1998EP0858278A1 Deep-frying device
08/19/1998EP0803042B1 Waste gas purification device
08/19/1998EP0775013B1 Method for the catalytic reaction of oxides of nitrogen in the exhaust from an internal-combustion engine
08/19/1998EP0743877B1 Apparatus for processing at least one fluid, use thereof for processing an air flow, and method for loading masses of particulate material into said apparatus
08/19/1998EP0660748B1 High capacity tray for gas-liquid contact apparatus
08/19/1998CN2288353Y Integrated equipment with wet-desulfurizing and dry-dusting devices for smoke or fume
08/19/1998CN2288000Y Toxicant-removing smoke-eliminating duster
08/19/1998CN2287999Y Rotary jetting absorption column tray
08/19/1998CN2287998Y Simple waste fume discharging purifier
08/19/1998CN1190909A NOx catalyst and method of using the same
08/19/1998CN1190908A Method for purifying an-inert gas while preparing lower alkyl esters
08/19/1998CN1190907A Flue gas scrubbing and waste heat recovery system
08/19/1998CN1190695A Method for maming catalysis type waste gas purifier used in internal combustion engine
08/18/1998US5795920 Polysulfone, polyethersulfone, polyimide oa polyetherimide for forming membranes and fibers
08/18/1998US5795840 Burned gas purifying catalyst
08/18/1998US5795553 Nitrogen oxide adsorbing material