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)
12/1994
12/21/1994EP0629429A1 Process for the thermal treatment of solids separated during the purification of exhaust gases
12/21/1994EP0629428A1 Filter element
12/21/1994EP0629422A2 Method and apparatus for separating aqueous phase from fluid medium
12/21/1994EP0629145A1 Transportable electron beam system and method
12/21/1994EP0553180B1 Adsorption agent reactor, especially fluidised bed reactor
12/21/1994EP0541601B1 Catalyst for use in hot exhaust gases and process for making it
12/21/1994EP0524242B1 Membrane separation process for dehydrating a gas or vapour or liquid mixture by pervaporation or vapour permeation
12/21/1994EP0512026B1 Synthetic porous crystalline material its synthesis and use
12/21/1994CN1096468A Apparatus for removing particulate matter and gases from a polluted gas stream
12/21/1994CN1096467A Method for removing particulate matter and gases from a polluted gas stream
12/21/1994CN1027051C Procedure and apparatus for the purification of air, flue gases or equivalent
12/21/1994CN1027042C Processing for removing acid gas from a gas mixture containing acid gas
12/20/1994US5374410 Chemical reduction using ammonia, hydrogen gas or sulfur dioxide to form nontoxic nitrogen in presence of zeolite as catalyst
12/20/1994US5374409 Purifying gases with an alkali metal and transition metal containing zeolite
12/20/1994US5374404 Method and apparatus for use in photochemically oxidizing gaseous halogenated organic compounds
12/20/1994US5374402 Metal-made honeycomb carrier body
12/20/1994US5374300 Process for removing condensable components from gas streams
12/20/1994US5373704 Desiccant dehumidifier
12/20/1994US5373696 Automotive engine with exhaust hydrocarbon adsorber having oxygen sensor regeneration control
12/19/1994CA2126018A1 Method and apparatus for separating aqueous phase from fluid medium
12/18/1994CA2126055A1 Process for the thermal treatment of solids which arise in the purification of flue gases
12/15/1994DE4319118A1 Process and apparatus for disposing of fluorocarbons and other fluorine-containing compounds
12/15/1994CA2125621A1 Process for separating off alkanols from other organic compounds of higher carbon number
12/15/1994CA2125063A1 Layered plasma polymer composite membranes
12/14/1994EP0628714A1 Method for reducing nitrogen oxides (NOx) of internal combustion engine exhaust gas
12/14/1994EP0628706A2 Catalytic conversion of internal combustion engine exhaust gases
12/14/1994EP0628515A1 Cerium and zirconium-containing compounds oxide and method for producing same
12/14/1994EP0628342A1 Method and apparatus for cleaning gas containing sulphur dioxide
12/14/1994EP0628341A1 Removal of heavy metals from incinerator flue gases
12/14/1994EP0628340A1 Method for desulfurizing exhaust gas
12/14/1994EP0628339A1 Method for extraction of undesirable substances in a gas
12/14/1994EP0628338A1 Process for the physical and chemical cleaning of ambient air
12/14/1994EP0628337A1 Process for the removal of arsenic from a fluid in presence of a captation mass
12/14/1994EP0628336A1 Vapor recovery system
12/14/1994EP0628135A1 Catalytic system
12/14/1994EP0628128A1 Catalytic solution
12/14/1994EP0628096A1 Inert gas purifying system
12/14/1994EP0627953A1 Improved fluid fractionator
12/14/1994EP0627952A1 Catalytic vessel
12/14/1994EP0627944A1 Method and apparatus for use in photochemically oxidizing gaseous halogenated organic compounds
12/14/1994CN2185153Y Dual-section type oil-water separator for air drier
12/14/1994CN1096359A Cost reduction of wet FGD system with a tray
12/14/1994CN1027004C Arrangement for the catalytic purification of the exhaust gases of internal combustion engines, in particular two-stroke engines
12/13/1994US5372893 X-wrapped metallic honeycomb body
12/13/1994US5372788 Deodorizing filter
12/13/1994US5372621 Condensate trap for vapor extraction system
12/13/1994US5372312 Air atomizing spray nozzle assembly with angled discharge orifices
12/13/1994US5371955 Bulk-material reactor
12/13/1994CA1333473C Process for the treatment of a gazeous mixture by adsorption
12/11/1994CA2125455A1 Catalytic conversion of internal combustion engine exhaust gases
12/10/1994CA2125356A1 Vapor recovery system
12/10/1994CA2119337A1 Method for reducing acid mist formation in fossil fuel combustion gases
12/08/1994WO1994028464A1 Succinic acid derivative degradable chelants, uses and compositions thereof
12/08/1994WO1994027919A1 Bioreactor for biological treatment of contaminated water
12/08/1994WO1994027710A1 Pollution reduction process
12/08/1994WO1994027709A1 Nitrous oxide decomposition catalyst
12/08/1994WO1994027708A1 Rotary slide valve
12/08/1994WO1994027706A1 Air drying and purification system
12/08/1994DE4336132A1 Process for purifying an exhaust gas
12/08/1994DE4319102A1 Absorbent for the absorption and recovery of chlorinated hydrocarbons from exhaust airstreams
12/08/1994CA2160701A1 Succinic acid derivative degradable chelants, uses and compositions thereof
12/08/1994CA2097845A1 Liquid distributor for a vapor-liquid contracting column
12/07/1994EP0627548A1 An exhaust gas purification device for an engine
12/07/1994EP0627263A1 Contaminated air purifying apparatus
12/07/1994EP0627258A1 Novel polyimides and gas separation membranes prepared therefrom
12/07/1994EP0627257A1 Fluorinated aromatic polyimide, polyamide and polyamide-imide gas separation membranes
12/07/1994EP0627254A1 Hollow fiber membrane separation device with a housing made from a flexible material
12/07/1994EP0627253A1 Denitrification system
12/07/1994EP0627252A1 Rotary adsorption/desorption gas treating apparatus
12/07/1994EP0627064A1 A process for extracting vapor from a gas stream
12/07/1994EP0626880A1 Method and apparatus for removing suspended fine particles from gases
12/07/1994EP0500570B1 Emission control device
12/07/1994EP0356501B1 Process and apparatus for desulfurization
12/07/1994CN2184473Y Multi-stage combined fume high efficiency purifier
12/07/1994CN2184469Y Jet duster
12/07/1994CN1095963A Absorptive sweetening agent for room temp. conversion of hydrogen sulfide, carbonyl sulfide, carbon disulfide and preparation thereof
12/06/1994US5371577 Ozone filter used in electrophotographic apparatus including catalyst of CuO, MnO2, and a water-soluble polymer
12/06/1994US5371056 Oxidative diesel control catalyst
12/06/1994US5370943 Honeycomb body with nonhomogeneous electric heating
12/06/1994US5370859 Controlling particle size
12/06/1994US5370850 Process for catalytically reducing nitrogen oxides in combustion exhaust gases
12/06/1994US5370849 Metal chelate process to remove pollutants from fluids
12/06/1994US5370847 Simplification, compactness
12/06/1994US5370785 Hydrocarbon conversion process employing a porous material
12/06/1994US5370728 Single bed pressure swing adsorption system and process
12/06/1994US5369961 Apparatus for the defrosting of refrigerating driers below 0 degrees celsius
12/06/1994US5369956 Exhaust gas aftertreatment device for internal combustion engines
12/06/1994US5369947 Process for converting plastic waste into power
12/06/1994CA1333385C Exhaust gas purifying catalyst suppressing the generation of hydrogen sulfide
12/01/1994DE4418861A1 Process for producing a catalyst for exhaust gas purification
12/01/1994DE4417617A1 Desiccant
12/01/1994DE4317964A1 Method and device for plasma-chemical processing of hazardous materials and materials
12/01/1994DE4317581A1 Process and catalyst for the decomposition of nitrogen oxides
11/1994
11/30/1994EP0626505A2 Muffling and denitrating apparatus and modified carbon fibers or particles therefor
11/30/1994EP0626244A1 Method and device for regenerating adsorbing towers when they are saturated
11/30/1994EP0626199A2 Process for the production of carbon molecular sieves
11/30/1994EP0626192A1 Regenerable separation elements, its use, and housing suitable for it
11/30/1994EP0626191A1 Process and apparatus for drying a gas flow
11/30/1994EP0626190A1 Sheet type and sheet-filter type methyl bromide removing material, and methyl bromide removing method using the same materials
11/30/1994EP0626189A2 Deodorizing filter