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) |
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03/23/1995 | WO1995007750A1 Method and apparatus for absorbing hydrogen sulphide |
03/23/1995 | WO1995007749A1 Acoustic barrier separator |
03/23/1995 | WO1995007735A1 Process and materials for cleansing areas affected by pollutants |
03/23/1995 | DE4433120A1 Heat-resistant hydrocarbon adsorber to restrict exhaust gas emissions |
03/23/1995 | DE4432012A1 Device for removing soot present in combustion waste products by means of electric creeping discharge (surface discharge) |
03/23/1995 | DE4431595A1 Apparatus for adsorbing organic solvent vapour |
03/23/1995 | DE4417543A1 Process and device for the treatment of an organic liquid containing chlorine-containing compounds |
03/23/1995 | DE4331587A1 Filter for rotary adsorbers |
03/23/1995 | DE4331541A1 Process and apparatus for cleaning of industrial exhaust gases in particular polluted with tank residues |
03/23/1995 | CA2171965A1 Acoustic barrier separator |
03/23/1995 | CA2171342A1 Method and apparatus for absorbing hydrogen sulphide |
03/23/1995 | CA2147648A1 Process and materials for cleansing areas affected by pollutants |
03/22/1995 | EP0644153A1 Process for the separation of a silane with the aid of a membrane |
03/22/1995 | EP0643991A1 Nitrogen oxide decomposing catalyst and denitration method using the same |
03/22/1995 | EP0643988A1 Process for decomposing nitrogen oxides |
03/22/1995 | EP0643987A2 Bioregenerative flue gas desulphurization |
03/22/1995 | EP0643757A1 Process for treating gases obtained by coal gasification, residue gasification, refuse gasification or oil gasification |
03/22/1995 | EP0643668A1 PROCESS AND APPARATUS FOR REMOVING NO x? FROM EXHAUST GASES USING CYANURIC ACID-------------------------------------------------- |
03/22/1995 | EP0643624A1 Method for impregnating catalyst support with platinum. |
03/22/1995 | EP0643623A1 Method for producing catalyst. |
03/22/1995 | EP0643622A1 Catalyst and process for purifying diesel exhaust gases |
03/22/1995 | EP0643611A1 Biofiltration of gases |
03/22/1995 | EP0639109A4 Process for the catalytic reduction of nitrogen oxides. |
03/22/1995 | CN2192372Y Dust remove de-sulphur apparatus |
03/22/1995 | CN1100338A Fluid separation composite membranes prepared from sulfonated aromatic polymers in lithium salt form |
03/22/1995 | CN1100337A Modified poly(phenylene oxide) based membranes for enhanced fluid separation |
03/21/1995 | US5399829 Material treatment method and apparatus |
03/21/1995 | US5399538 Deodorizing catalyst support |
03/21/1995 | US5399326 Process for noncatalytic NOx abatement |
03/21/1995 | US5399325 Nitrogen oxides reduction using a urea hydrolysate |
03/21/1995 | US5399324 Two-stage catalyst system for lean burn engines |
03/21/1995 | US5399267 Liquid treatment system with air emission control |
03/21/1995 | US5399261 Installation for the treatment of flows of liquids with monophase contactor and recirculating-degassing device |
03/21/1995 | US5399246 Inert gas purification |
03/21/1995 | US5399188 During dehydration of natural gas, water absorbing material, such as trichloroethylene glycol, incorporated into a membrane |
03/21/1995 | US5398503 Engine exhaust emission control system |
03/21/1995 | US5398497 Method using gas-gas heat exchange with an intermediate direct contact heat exchange fluid |
03/21/1995 | CA2132372A1 Bioregenerative flue gas desulfurization process |
03/21/1995 | CA1334836C Removal of salts from aqueous alkanolamines using an electrodialysis cell with an ion exchange membrane |
03/17/1995 | CA2131751A1 Catalyst and process for decomposing nitrogen oxides |
03/16/1995 | WO1995007143A1 Metallic carrier |
03/16/1995 | WO1995007142A1 Metallic carrier |
03/16/1995 | WO1995007141A1 Unit type metallic carrier |
03/16/1995 | WO1995007138A1 A process for the production of a catalyst for purification of exhaust gases |
03/16/1995 | WO1995007133A1 Sorption process and agent |
03/16/1995 | DE4413362C1 Membrane separation apparatus having cooling apparatus |
03/16/1995 | DE4331415A1 Process and apparatus for treating a gas stream with scrubbing liquid |
03/15/1995 | EP0642822A1 Methods of removing and detecting harmful component |
03/15/1995 | EP0642821A1 Method and apparatus for removing odours from a gas stream |
03/15/1995 | EP0642820A1 Process for the purification of flue gases |
03/15/1995 | EP0642472A1 Process for removing sulphur compounds from water |
03/15/1995 | EP0642465A1 System for nitrogen oxides reduction to lowest achievable level |
03/15/1995 | EP0642385A1 Catalist composition and a method for its preparation |
03/15/1995 | EP0642380A1 Reducing proceeding and/or a system to intermix and means for the same |
03/15/1995 | EP0642379A1 Method to purify gases |
03/15/1995 | EP0642378A1 Method, dry multi-stage pump and plasma scrubber for converting reactive gases |
03/15/1995 | EP0642360A1 Catalytic reduction of volatile organic contaminants in indoor air |
03/15/1995 | EP0636110A4 Process for decreasing chlorine content of chlorinated hydrocarbons. |
03/15/1995 | EP0634953A4 Gas phase degradation of organic compounds. |
03/15/1995 | EP0614442A4 PROCESS AND COMPOSITION FOR NO x? and SO x? REDUCTION. |
03/15/1995 | EP0579623B1 Process for cleaning exhaust air |
03/15/1995 | EP0460230B1 Method and apparatus for treating exhaust gas by multi-stage irradiation with electron beam |
03/15/1995 | EP0349655B1 Process for separating and recovering carbonic acid gas from gas mixture by adsorption |
03/15/1995 | CN2191701Y Air moisture separator for semi-conductor |
03/15/1995 | CN1100191A Indoor poison-in-air filter |
03/15/1995 | CN1100001A The production and use of improved composite fluid separation membranes |
03/14/1995 | US5397758 Alumina-based compositions and catalysts having high specific surface area |
03/14/1995 | US5397752 Grinding sepiolite, mixing with water, stirring, kneading, drying and roasting |
03/14/1995 | US5397559 Separation of oxygen and hydrogen after splitting water |
03/14/1995 | US5397556 Process for recovery of sulfur from acid gases |
03/14/1995 | US5397552 Method and apparatus for use in photochemically oxidizing gaseous organic compounds |
03/14/1995 | US5397549 Apparatus to remove acid gases from a flue gas |
03/14/1995 | US5397548 Regenerative heat exchanger |
03/14/1995 | US5397545 Catalytic converter for converting reactants of a gas mixture |
03/14/1995 | US5397535 Aggregate for construction material from infectious medical waste articles |
03/14/1995 | US5397444 Process for removal of SO2 and NOx from combustion flue gases and an apparatus used therefor |
03/14/1995 | US5397443 Method of assembling tubular electrochemical oxygen generators |
03/14/1995 | US5397382 Bio regenerating air filter |
03/14/1995 | US5397381 Method of cooling and optionally cleaning a hot gas, especially of a gas generated upon combustion or gasification of carbon-containing fuels |
03/14/1995 | US5396882 Generation of nitric oxide from air for medical uses |
03/14/1995 | US5396764 Spark ignition engine exhaust system |
03/09/1995 | WO1995006699A1 Process for scrubbing a substantially oxygen-free fuel gas |
03/09/1995 | WO1995006619A1 Oxidizing enhancement electron beam process and apparatus for contaminant treatment |
03/09/1995 | WO1995006520A1 Exhaust gas catalyst for internal combustion engines |
03/09/1995 | WO1995006512A1 Flue gas purification |
03/09/1995 | DE4333039A1 Process for purifying an essentially oxygen-free combustible gas |
03/08/1995 | EP0641592A1 Process for removing humidity from gases |
03/08/1995 | EP0641591A1 Single bed pressure swing adsorption system and process |
03/08/1995 | EP0641590A1 Adsorption process for oxygen removal using a multi-layered adsorbent bed |
03/08/1995 | EP0641589A1 Process for selective recuperation of a solvent from solvent mixtures and apparatus for carrying out the method |
03/08/1995 | EP0641258A1 Catalyst for purification of lean-burn engine exhaust gas |
03/08/1995 | EP0641245A1 Two-stage exhaust gas conversion catalyst system. |
03/08/1995 | EP0641244A1 Treatment of acid gas using hybrid membrane separation systems |
03/08/1995 | EP0641243A1 A method of cooling and cleaning waste gas from an industrial process and apparatus therefor |
03/08/1995 | EP0444166B1 Disposable oxide carrier for scavenging hydrogen sulfide |
03/08/1995 | CN2191030Y Hydrogen drier using steam heating method |
03/08/1995 | CN1099718A Circular ammonia no-hydrogen deoxygen purify system for drying polyamide fibre section |
03/08/1995 | CN1099669A Method of concentrating low-concentration sulfur dioxide by water absorption method |
03/08/1995 | CN1027802C Low temp. purification of gas |
03/08/1995 | CN1027794C Method for treating fluorine contained waste gas of brick and tile kiln |