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)
08/2000
08/09/2000EP1024881A1 Co2-selective membrane process and system for reforming a fuel to hydrogen for a fuel cell
08/09/2000EP1024880A1 Separation of acid gases from gas mixtures
08/09/2000EP1024879A1 A wicking fiber with solid particulates for a high surface area odor removing filter
08/09/2000EP0808209B1 Oxidation and/or combustion catalyst
08/09/2000EP0447537B2 Process for reducing the emission of organic compounds produced by incomplete combustion
08/09/2000CN2390679Y Wet desulfurization dust collector
08/09/2000CN2390677Y Electrostatic stone desulphurization water dust scrubber
08/09/2000CN1262236A Desulfurization waste water treating method
08/09/2000CN1262145A Process for desulfurizing industrial fume with seawater
08/09/2000CN1262144A Nitrogen oxide storing catalyst
08/09/2000CN1055273C Apparatus for preparing rich N gas
08/09/2000CN1055255C Safety device for converting carbon monoxide automatically
08/09/2000CN1055254C Device for recovering combustible gas
08/08/2000US6100081 For simultaneously purifying waste waters and waste gases via a fixed bed support; filtering material has increasing biofiltration capacity to prevent clogging upon downward flow
08/08/2000US6099901 Deodorizing air filter and method of fabricating same
08/08/2000US6099819 Mixed metal oxide catalysts containing titanium oxide
08/08/2000US6099817 Heat treating sodium bicarbonate
08/08/2000US6099816 Process for desulfurizing a sulfur-dioxide containing gas
08/08/2000US6099815 Removing carbonyl sulfide out of a water-containing fluid stream, such as petrochemical vent gas, air, carbon dioxide, nitrogen and hydrocarbons
08/08/2000US6099809 Catalytic converter having a metal foil substrate
08/08/2000US6099808 Particulate removal from point of use exhaust scrubbers
08/08/2000US6099695 ZnO-Pd composite catalyst and production method thereof
08/08/2000US6099649 Chemical vapor deposition hot-trap for unreacted precursor conversion and effluent removal
08/08/2000US6099621 Membrane formed from a polyamine or its blend; at least one group 1a, 2a, 3a, or amine salt of an aminoacid of given formula; and a crosslinking agent; membrane permselective for carbon dioxide
08/08/2000US6099620 Heat regenerated desiccant gas dryer and method of use
08/08/2000US6099619 Purification of carbon dioxide
08/08/2000US6099618 Pressure variation cycle where at one instant in the cycle, a terminal of a compression machine is switched from a first space at a first pressure to a second space at a second pressure different from the first; oxygen from air
08/08/2000US6099616 Method for recovering vapors during the dispensing of a bituminous product
08/08/2000US6099609 Moving sorbent filter device
08/08/2000US6098396 Internal combustion engine having a catalytic reactor
08/08/2000CA2298153A1 A cleaning apparatus for the adsorptive cleaning of propellent gas
08/08/2000CA2186369C A method of purifying gases containing nitrogen oxides and an apparatus for purifying gases in a steam generation boiler
08/08/2000CA2148437C Series planar design for solid electrolyte oxygen pump
08/08/2000CA2073038C Process for removing condensable components from gas streams
08/08/2000CA2031229C Fluoride removal from sulphuric acid
08/08/2000CA2017308C Process of regenerating a high-boiling scrubbing solution which contains co2 and h2s
08/08/2000CA2000573C Removing hydrogen sulphide from a gas mixture
08/03/2000WO2000045447A2 Proton conducting membrane using a solid acid
08/03/2000WO2000044694A1 Process for pretreating cracked gas before caustic tower treatment in ethylene plants
08/03/2000WO2000044493A1 Catalyst composition containing oxygen storage components
08/03/2000WO2000044476A1 Method for continuously producing thiosulfate ions
08/03/2000WO2000044475A1 Method and installation for chemical purification of vapour in a dehydrator with mechanical vapour compression
08/03/2000WO2000044473A1 Purification method of contaminated gases by dioxin and detrimental gas and the device therefor
08/03/2000WO2000044466A2 Hc1 adsorbent, method of making same and process for removing hc1 from fluids
08/03/2000DE19925390C1 Honeycomb body used as catalyst carrier for purifying I.C. engine and diesel exhaust gas has two coated or wound sheet metal layers
08/03/2000DE19913268C1 Arrangement for monitoring the efficiency of a catalytic emission reduction device comprises a fuel feed device, flow and temperature sensors and data processing sensors
08/03/2000DE19905378C1 Filtertrockner, insbesondere Groß-Filtertrockner, für stationäre Kälteanlagen sowie Filtertrocknerkartusche zur Verwendung bei einem solchen Filtertrockner Filter driers, especially large filter drier for stationary refrigeration systems and filter drier cartridge for use in such a filter drier
08/03/2000DE19903439A1 Verfahren und Vorrichtung zur Steuerung eines Abgasnachbehandlungssystem Method and apparatus for controlling an exhaust gas aftertreatment system
08/03/2000DE19902517A1 Composite membrane for gas separation comprises a porous supporting membrane, a non-porous, gas-permeable interlayer and a perm-selective layer of polymer based on gamma-alkyl L-glutamate units
08/03/2000CA2361198A1 Method and installation for chemical purification of vapour in a dehydrator with mechanical vapour compression
08/02/2000EP1024357A2 Detection means
08/02/2000EP1024254A2 Method and apparatus to control an exhaust gas after-treatment system
08/02/2000EP1023938A2 Radial flow adsorption vessel
08/02/2000EP1023935A1 Process for selective catalytic reduction of nitrogen oxides in oxygen-containing exhaust gases
08/02/2000EP1023934A1 Process for purifying a gas by adsorption
08/02/2000EP1023931A1 Filtering devices and cartridges for fluids and gases
08/02/2000CN2389710Y Solvent recovery device
08/02/2000CN2389709Y Dust-collection acid-cleaning device
08/02/2000CN2389708Y Dedusting desulfurizing equipment for boiler
08/02/2000CN2389706Y Wet desulfurizing dust-collector
08/02/2000CN1261814A Removing gaseous component from fluid
08/02/2000CN1261546A Method for reduction of nitrogen oxide
08/02/2000CN1261545A Method for recovering CO2 from mixed gas
08/02/2000CA2297578A1 Mixed conducting cubic perovskite for ceramic ion transport membrane
08/02/2000CA2297568A1 Multi-phase solid ion and electron conducting membrane with low volume percentage electron conducting phase and methods for fabricating same
08/01/2000US6097011 Electrically heatable activated carbon bodies for adsorption and desorption applications
08/01/2000US6096682 Uniform coatings applied in a simple manner to the entire surfaces of the sheet metal members which border the passages, even when the passages are provided with small cross-sectional dimensions; edges/walls connected by welding
08/01/2000US6096674 Good hydrocarbons-adsorbing/desorbing ability; a zeolite mfi-type metallo-silicate including gallium and/or indium as a framework forming element and aluminum in content of 1-0.05% by weight; automobile catalytic exhaust systems
08/01/2000US6096280 Hydrogen sulfide reacts with sulfur dioxide in an aqueous acid medium to yield water and free sulfur which is removed, carbonyl sulfide or carbon disulfide are hydrolyzed to form hydrogen sulfide in presence of quinoline
08/01/2000US6096279 Flue gas treating process and system
08/01/2000US6096278 Air purification by compression then catalytic oxidation and/or reduction of carbon monoxide, hydrogen, methane, sulfur dioxide, nitrogen oxides or halogen compounds and cooling yields pure nitrogen and oxygen
08/01/2000US6096277 Pollutant removal from air in closed spaces
08/01/2000US6096239 Method for removal of sulfur dioxide
08/01/2000US6096116 Reducing ignition risk for activated carbon
08/01/2000US6096115 Blower, valve, and piping; soring adsorber effluent gas
08/01/2000US6096114 Separation from carbon dioxide through membrane; circulation
08/01/2000US6095406 Process for the production of a honeycomb body from two differently constructed kinds of sheet metal layers
08/01/2000US6094836 Dual air dryer with spin-on cartridges
08/01/2000CA2032560C Process and apparatus for removing carbon monoxide from a gaseous mixture containing hydrogen
07/2000
07/27/2000WO2000043647A1 Exhaust emission control device for internal combustion engines
07/27/2000WO2000043645A2 Power supply for processing of gaseous media
07/27/2000WO2000043469A2 Combined plasma reactor catalyst systems for effective emission control over a range of operating conditions
07/27/2000WO2000043114A1 Integrally asymmetrical polyolefin membrane
07/27/2000WO2000043113A1 Method for producing an integrally asymmetrical polyolefin membrane
07/27/2000WO2000043112A1 Membrane extraction process
07/27/2000WO2000043109A1 Exhaust gas treating method and device therefor, and vehicles equipped with the device
07/27/2000WO2000043108A1 Exhaust gas cleaner formed by multiple filters
07/27/2000WO2000043106A1 A method and apparatus for oxidation of nitric oxide using irradiated oxidizing compounds
07/27/2000WO2000043105A1 Vacuum-insulated exhaust treatment devices with radially-extending support structures
07/27/2000WO2000043104A1 Vacuum-insulated exhaust treatment devices, such as catalytic converters, with passive controls
07/27/2000WO2000043103A1 Vacuum-insulated exhaust treatment device with phase change materials and thermal management systems
07/27/2000WO2000043102A2 Process and reactor for plasma assisted gas processing
07/27/2000WO2000043101A1 A method for separating methane from natural gas using bisglycoluril derivatives
07/27/2000WO2000043094A2 System for neutralising polluting gases by pyrolysis
07/27/2000WO2000013789A8 Ceramic catalyst for selectively decomposing n2o and a method for the production thereof
07/27/2000DE19929935A1 Device for removing nitrogen from I.C. engine exhaust gas has an additional catalyst connected to a first catalyst so that it acts simultaneously as reductant generator
07/27/2000DE19910845C1 Heat exchanger sublimation process to remove carbon dioxide from respiration gases in anaesthetic applications requires less power than prior art
07/27/2000DE19902207A1 Verfahren zur Dosierung eines Reduktionsmittels, sowie Vorrichtung zur Durchführung des Verfahrens Method for metering a reducing agent, as well as apparatus for carrying out the method
07/27/2000DE19902109A1 Verfahren zur thermischen N¶2¶O-Zersetzung Process for the thermal decomposition N¶2¶O
07/27/2000DE19901760A1 Verfahren und Anordnung zum Reinigen eines in einem Abgasstrang strömenden Abgasstromes eines Ottomotors Method and arrangement for the cleaning of a flowing exhaust gas flow in an exhaust line of a gasoline engine