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)
03/2004
03/24/2004CN1483504A Process for preparing ciltradry gas
03/24/2004CN1483503A Method for recovering aromatic hydrocarbon in tail gas of oxydol production apparatus
03/24/2004CN1483502A Gas processiong agent and mfg method therefor, gas purification method, gas purifier and gas purification apparatus
03/24/2004CN1143118C Drying and/or dry process preservation method using semi-permeable membrane
03/24/2004CN1142819C Control method of an NOx-absorbing catalytic converter and application thereof
03/24/2004CN1142818C Air cleaner
03/24/2004CN1142817C Method and apparatus for removing gaseous elementary mercury from gas
03/24/2004CN1142816C Method for carbon dioxide recovery from feed stream
03/24/2004CN1142815C Method and appts. for desulphurisation of exhaust gases
03/24/2004CN1142814C Variable pressure gas adsorbing separator
03/23/2004US6710014 Honeycomb body made of material with improved radial pressure resistance
03/23/2004US6710013 Platelike catalysts, gas dispersing members of metallic, ceramic or glass netlike products with holes and stacked alternately
03/23/2004US6710012 Superactivating carbon by heating to given temperature range in an ultra-dry, inert gas stream; use to remove trace impurities such as carbon monoxide, water, hydrocarbons and carbon dioxide from process gas
03/23/2004US6710010 Mixing zirconium hydroxide with solution of zirconyl nitrate, water, and nitric acid and solvent to form paste; forming a shaped particle; dryingl calcining
03/23/2004US6709643 Palladium and/or platinum with lanthanide metal promoter on titania support; increased oxygen tolerance
03/23/2004US6709592 Anaerobic chemical reactors; gas stripping
03/23/2004US6709589 Dimensionally stable, cross-flow permeable fluid treatment element
03/23/2004US6709498 Filter construction for disk drives
03/23/2004US6709497 Honeycomb hydrogen storage structure
03/23/2004US6709494 High temperature membrane module tubesheet composed of thermoset resin blends
03/23/2004US6709493 Device for reducing the presence of moisture within an enclosure containing a heat source
03/23/2004US6709491 Gas separation membrane and method of producing the same
03/23/2004US6709487 Adsorbent for moisture removal from fluorine-containing fluids
03/23/2004US6709486 Pressure swing adsorption process with controlled internal depressurization flow
03/23/2004US6709485 Process of removing carbon dioxide from a chlor/alkali plant tail gas stream
03/23/2004US6709484 Electrode self-cleaning mechanism for electro-kinetic air transporter conditioner devices
03/23/2004US6709483 Sweep gas stream having a low co2 partial pressure to strip adsorbed co2 from the adsorbent; desorption; space suit breathing system
03/23/2004US6709482 Method for reducing trace impurities from a reactive fluid using preconditioned ultra-low emission carbon material
03/23/2004US6708546 Placing block with plurality of cells arranged in honeycomb configuration inside metallic cylindrical structure having opening, inserting heat exchanger tube, forming restrictive neck from opening, filling cells with hydrogen storage alloy
03/23/2004US6708486 Exhaust gas purification device of internal combustion engine
03/23/2004US6708484 Exhaust gas purifying system
03/23/2004CA2315831C Carbon dioxide adsorbents containing magnesium oxide suitable for use at high temperatures
03/23/2004CA2268469C Apparatus and method for photocatalytic and thermocatalytic pollution control
03/23/2004CA2230865C Photocatalytic air disinfection
03/23/2004CA2153297C Method for drying a fluid or gas stream using a part alumina, part molecular sieve adsorber
03/23/2004CA2152816C The catalytic decomposition of dinitrogen monoxide which is pure or present in gas mixtures
03/23/2004CA2139501C Pollution control apparatus for industrial processes and the like
03/18/2004WO2004022937A1 Metal honeycomb body consisting of at least partially perforated sheet metal layers
03/18/2004WO2004022936A1 Internal combustion engine comprising a reducing agent production unit and operating method therefor
03/18/2004WO2004022935A1 Exhaust system for lean burn ic engines
03/18/2004WO2004022918A1 Tunnel exhaust air treatment
03/18/2004WO2004022641A2 Calcium hydroxide absorbent with rheology modifier and process involving same
03/18/2004WO2004022229A1 Novel catalyst for selective nox reduction using hydrocarbons
03/18/2004WO2004022226A1 Method for regenerating iron-loaded denox catalysts
03/18/2004WO2004022225A2 Method for converting nitrogen oxides (nox) in exhaust gases and catalyst useful for it
03/18/2004WO2004022223A2 Adsorption mass and method for removing carbon monoxide from flows of material
03/18/2004WO2004022211A2 Tin oxide three-way catalysts stable at high temperatures
03/18/2004WO2004022205A1 Method and apparatus for eliminating and recovering s02 from fume
03/18/2004WO2004022204A1 Dehydrating breather apparatus and method
03/18/2004WO2004022203A1 Method and apparatus for treating exhaust from combustion devices
03/18/2004WO2004022194A2 Treatment of spent caustic refinery effluents
03/18/2004WO2004022113A1 Air purifier
03/18/2004WO2004021785A1 Humidity dryer and method of using humidity dryer
03/18/2004WO2004014439A3 Nonthermal plasma air treatment system
03/18/2004WO2003070356A9 Energy efficient liquid desiccent regeneration
03/18/2004WO2003031030A3 Combustion process
03/18/2004US20040054048 Alkoxysilane dryer for crosslinkable polymer compounds
03/18/2004US20040053781 Controlling temperature and pressure build-up in an catalytic exhaust system for diesel engines; a honeycomb structure including: inlet cells clogged on the downstream side of the exhaust gases; outlet cells on the upstream
03/18/2004US20040053771 Catalyst for selective catalytic reduction of nitrogen oxides and a method for preparing the same
03/18/2004US20040053101 Method for preparing a thin ceramic material with controlled surface porosity gradient, and resulting ceramic material
03/18/2004US20040052712 Method for operating a flue gas purification plant
03/18/2004US20040052711 Method for operating a flue gas purification plant
03/18/2004US20040052710 Method of operating a flue gas purifying plant and apparatus for carrying out the method
03/18/2004US20040052708 Cryogenic separation; scrubbing; stripping; metal catalyst
03/18/2004US20040052703 Contact structures
03/18/2004US20040052699 Exhaust treatment device
03/18/2004US20040052698 Hybrid mounting system for pollution control devices
03/18/2004US20040052697 Catalytic converter
03/18/2004US20040052696 Scrubbing modules; removal heat from air draw from confined environment
03/18/2004US20040052695 Interior walls of gas flow passageways overcoated with active materials
03/18/2004US20040052694 Fiber aggregated sealing catalytic carrier and metal shell
03/18/2004US20040052693 Apparatus and method for removing NOx from the exhaust gas of an internal combustion engine
03/18/2004US20040052688 Cover for vessels or systems for reducing the evaporation and/or the introduction of gases
03/18/2004US20040051188 Method, module and device for contacting a gas and a liquid
03/18/2004US20040050801 Hydrogen production by high-temperature water splitting using electron-conducting membranes
03/18/2004US20040050716 Decomposition of wastes; demetallization, desulfurization,denitrification
03/18/2004US20040050255 Oxygen concentrator
03/18/2004US20040050254 A modified enzyme that has been modifies with a covalent bonding agent is immobilized on a surface of a carrier
03/18/2004US20040050252 Air cleaner assembly and process
03/18/2004US20040050250 Base membrane incorporates a selective layer made from a polymer selective between the light gases to be separated; coating layer of fluorinated polymer capable of protecting base membrane from c3+ hydrocarbon vapors and liquids
03/18/2004US20040050249 Mixed matrix nanoporous carbon membranes
03/18/2004US20040050094 Refrigeration of gases and filtration using membranes to remove condensates, then reusing for consolidation and drawing of fibers; cryogenics
03/18/2004US20040050037 System and methods for improved emission control of internal combustion engines using pulsed fuel flow
03/18/2004DE4328125B4 Abgasreinigungsvorrichtung für einen Verbrennungsmotor oder dergleichen An exhaust purification device for an internal combustion engine or the like
03/18/2004DE20318973U1 Carrier member for a biofilm used in treating waste water or air, consists of spheres with parallel lamina members
03/18/2004DE19600552B4 Entfernung von Stickstoffoxiden aus Abgas unter Verwendung eines Katalysators Removal of nitrogen oxides from exhaust gas using a catalyst
03/18/2004DE10335828A1 Abgasemissionsverfahren und -system Exhaust emission method and system
03/18/2004DE10328856A1 Steuerung und Diagnose von Abgasemissionen Control and diagnostics of exhaust emissions
03/18/2004DE10327539A1 Diagnose von Abgasemissionen Diagnosis of exhaust emissions
03/18/2004DE10242303A1 Automotive diesel engine exhaust system has a soot particle filter module preceded by a NOx storage module
03/18/2004DE10242302A1 Device for post treating internal combustion engine exhaust gases used e.g. in fuel injection engines comprises a catalyst arrangement having a sensor element for registering carbon monoxide, nitrogen oxides and/or hydrocarbons
03/18/2004DE10240977A1 Verfahren zum Betreiben einer Brennkraftmaschine sowie Brennkraftmaschine selbst Method for operating an internal combustion engine and internal combustion engine itself
03/18/2004DE10227026A1 Verfahren und Vorrichtung zur Regelung einer Rauchgasentstickungsanlage Method and apparatus for controlling a flue gas denitrification
03/18/2004CA2494112A1 Exhaust system for lean burn ic engines
03/17/2004EP1398081A1 Filter catalyst for purifying diesel engine exhaust gases and manufacturing method thereof
03/17/2004EP1398070A1 Separation by membrane processes with thermal conditioning of the feed mixture
03/17/2004EP1398069A2 Exhaust treatment device
03/17/2004EP1398068A1 Process for reducing nitrogen emissions
03/17/2004EP1398067A1 Method for treating a gas containing a boric acid component
03/17/2004EP1398066A2 System for treating contaminated gas