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

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)
10/1994
10/19/1994	CN1093613A Purification method and apparatus
10/19/1994	CN1026214C Process for producing oxygen enriched product stream
10/18/1994	US5357291 Transportable electron beam system and method
10/18/1994	US5356728 Cross-flow electrochemical reactor cells, cross-flow reactors, and use of cross-flow reactors for oxidation reactions
10/18/1994	US5356604 Using Caro*s acid
10/18/1994	US5356598 Catalytic exhaust unit for an automobile vehicle
10/18/1994	US5356597 Electrostatic precipitation
10/18/1994	US5356462 Adsorption medium reactor, espectially fluidized bed reactor
10/18/1994	US5356459 Separating gas mixture by contacting with composite membrane produced by one step coating process providing interior separation layer and exterior protective polysiloxane layer
10/18/1994	US5356458 Computerized chemical injection system for hydrogen sulfide control in a waste water stream
10/18/1994	US5355962 Amplified mixer-blower mechanism and uses thereof
10/18/1994	US5355696 Pollution control apparatus for industrial processes and the like
10/18/1994	US5355672 Automotive engine exhaust aftertreatment system including hydrocarbon adsorber with sample processing oxygen sensor regeneration control
10/18/1994	CA2071768C Desiccant based air conditioning system
10/18/1994	CA1332600C Catalysts for selective catalytic reduction denox technology
10/17/1994	CA2121376A1 Container inerting
10/13/1994	WO1994023259A1 Heat exchanger
10/13/1994	WO1994023185A1 Emission control device and method
10/13/1994	WO1994023123A1 Method for reusing spent gas from an ozone bleaching reactor
10/13/1994	WO1994022790A1 Method to produce a substitute for peat moss
10/13/1994	WO1994022577A1 Catalytic vessel for receiving metal catalysts by deposition from the gas phase
10/13/1994	WO1994022573A1 Adsorption filter
10/13/1994	WO1994022564A1 Improved zeolite-containing oxidation catalyst and method of use
10/13/1994	WO1994022563A1 Volatile metals capture from gazeous streams
10/13/1994	WO1994022562A1 A process for reducing the concentration of nitric oxide in an exhaust gas
10/13/1994	WO1994022561A1 Composite carbon fluid separation membranes
10/13/1994	WO1994022560A1 Carbon dioxide absorbent
10/13/1994	WO1994022557A1 Filter device for the filtration of fluids
10/13/1994	DE4313393A1 Static mixer
10/13/1994	DE4311954A1 Rotor adsorber for separation and recovery of minor components from gas streams
10/13/1994	DE4240143A1 Process for the continuous performance of exothermic reactions in a fixed-bed circulation reactor
10/13/1994	CA2159488A1 Catalytic vessel for receiving metal catalysts by deposition from the gas phase
10/13/1994	CA2159446A1 Composite carbon fluid separation membranes
10/13/1994	CA2159444A1 Method for reusing spent gas from an ozone bleaching reactor
10/13/1994	CA2159317A1 Improved zeolite-containing oxidation catalyst and method of use
10/12/1994	EP0618842A1 Honeycomb construction with an inner structure held by a support structure
10/12/1994	EP0618839A1 Flexible hollow fiber fluid separation module
10/12/1994	EP0618825A1 Process for treating metal-contaminated materials
10/12/1994	CN1093299A Method of improving the selectivity of carbon membranes by chemical carbon vapor deposition
10/11/1994	US5354940 Method for controlling chemical reaction in a molten metal bath
10/11/1994	US5354720 Reduction in the quantity of NOx in lean exhaust gas of motor vehicle engines
10/11/1994	US5354547 Passing feed mixture of primary and secondary feed components into separator containing a composite semipermeable membrane, where portions of the secondary component are preferentially adsorbed
10/11/1994	US5354545 Contacting gaseous effluent with aqueous solution to dissolve sulfur compounds, adjusting concentration of buffers, oxidizing to produce elemental sulfur
10/11/1994	US5354544 Selective reduction of nitric oxide
10/11/1994	US5354540 Convection-based air purification device
10/11/1994	US5354474 Dynamic membrane separation process for improved selectivity
10/11/1994	US5354469 Layered plasma polymer composite membranes
10/11/1994	US5354458 Sequencing batch liquid treatment
10/11/1994	US5354420 Maskless laser assisted etching of indium phosphide or gallium arsenide
10/11/1994	US5354365 Air filter assembly
10/11/1994	US5354363 Delivering gaseous stream to liquid gallium metal, adsorbing constituents and separating
10/11/1994	US5354362 By impingement, absorption
10/11/1994	US5354361 Controlling the flow of feed air to a pair of molecular sieve beds by means of valves; concentrating oxygen; aircraft
10/11/1994	US5354360 Magnesium A-zeolite for nitrogen adsorption
10/11/1994	US5354346 Purge effluent repressurized adsorption process
10/11/1994	CA1332407C Method for producing a parallel gas flow type catalyst for oxidizing sulfurous acid gas
10/11/1994	CA1332372C Removal of sulfur dioxide
10/11/1994	CA1332270C Process for the catalytic treatment of wastewater
10/06/1994	DE4311061A1 Decomposition of NF3 in exhaust gases
10/06/1994	DE4310926A1 Device and method for the reduction of pollutant emissions in the exhaust gas
10/06/1994	DE4310774A1 Process and plant for removing lead dust and boric acid from exhaust air
10/06/1994	DE4310704A1 Hydrogenating dechlorination of chlorinated polycyclic aromatics optionally containing oxygen atoms
10/06/1994	DE4310197A1 Process for the adsorptive fractionation of a gas mixture
10/05/1994	EP0618283A1 Poisoning-preventive gasoline composition
10/05/1994	EP0618004A1 Novel SOx/NOx sorbent and process of use
10/05/1994	EP0618003A1 Packing element for mass exchange or mass conversion in the form of a heat-exchanging element
10/05/1994	EP0617997A1 Method of improving the selectivity of carbon membranes by chemical carbon vapor deposition
10/05/1994	EP0617996A1 Polyelectrolyte membranes for the separation of acid gases
10/05/1994	EP0617995A1 Activated-carbon solvent treatment unit for dry-cleaning machines with increased absorption
10/05/1994	EP0617984A1 Methods for dechlorination disposal of polyvinyl chloride wastes and apparatus thereof
10/05/1994	EP0617698A1 Aqueous ammonia injection scheme
10/05/1994	EP0617650A1 Method of soldering catalyst supports in catalytic converters.
10/05/1994	EP0581790B1 Device for the catalytic decontamination of exhaust gases
10/05/1994	EP0523194B1 Charge/purge control system for air dryer with humidity control
10/05/1994	EP0507777B1 A method of purifying air from combustible pollutants and an apparatus for performing the method
10/05/1994	EP0446295B1 Process and apparatus for the dry removal of polluting material from gas streams
10/05/1994	CN1093015A Process for the simultaneous absorption of sulfur oxides and producion of ammounium sulfate
10/05/1994	CN1093014A Deodorant granule and its processing method
10/04/1994	US5352647 Using calcium hydroxide and water soluble sulfur-containing compound
10/04/1994	US5352646 Porous exhaust system catalyst having homogeneous band of cerium oxide around edge of support surface, for internal combustion engines
10/04/1994	US5352433 An oxygen enhanced split feedstream sulfur recovery process
10/04/1994	US5352425 Hydrating an alkaline earth metal oxide in an aqueous solution containing a promoting additive mixture of urea and water soluble iron salts; mixing; removes sulfur oxides
10/04/1994	US5352423 Use of aromatic salts for simultaneously removing SO2 and NOx pollutants from exhaust of a combustion system
10/04/1994	US5352422 Process for the selective oxidation of sulphur compounds to elemental sulphur
10/04/1994	US5352421 Method and apparatus for effecting gas-liquid contact
10/04/1994	US5352420 Process for the purification of waste gas having a high chloride content
10/04/1994	US5352418 Calcium phosphate particles adhered to sheet shaped raw material with water insoluble glucan binder
10/04/1994	US5352370 Method for SOx removal by catalytic carbon
10/04/1994	US5352366 Method for purifying liquid fuel boiler smoke by cooling and washing the smoke and neutralizing the effluents
10/04/1994	US5352361 Spiral-wound hollow fiber membrane fabric cartridges and modules having flow-directing baffles
10/04/1994	US5352337 Efficient catalytic reduction in oxidizing atmosphere using hydrogen from electrolysis of water vapor as reducing agent, for exhaust systems of internal combustion engines
10/04/1994	US5352273 Alkyl substituted aromatic polyester gas separation membranes
10/04/1994	US5352272 Cooling streams of nitrogen and oxygen obtained by exposing heated air to permselective membrane having pressure on the one side and vacuum on the other
10/04/1994	US5351497 Low-flow internally-cooled liquid-desiccant absorber
10/04/1994	US5351491 Process for obtaining high-purity hydrogen and high-purity carbon monoxide
10/04/1994	US5351482 Reducing hydrocarbon emission by injecting a chlorine gas or a chloride compound
10/04/1994	US5351438 Planter container for indoor air purification
10/04/1994	CA1332257C Composition useful in process for preparing powadir membranes from tetrahalobisphenol a polycarbonates
10/04/1994	CA1332215C Membrane filter and fabrication process thereof
09/1994
09/30/1994	CA2119666A1 Polyelectrolyte membranes for the separation of acid gases

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