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