| 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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| 01/20/1998 | US5710089 Sorbent compositions |
| 01/20/1998 | US5710088 Lean-NOx catalysts containing silver supported on alumina |
| 01/20/1998 | US5710084 Catalysts for cleaning exhaust gases |
| 01/20/1998 | US5710042 High speed and high decomposition treatment of food waste |
| 01/20/1998 | US5709736 Moisture control unit |
| 01/20/1998 | US5709734 Method for disposing of ozone-degrading and climatically active halogenated compounds |
| 01/20/1998 | US5709733 Gas separation method |
| 01/20/1998 | US5709732 Purification |
| 01/20/1998 | US5709505 Vertical isolation system for two-phase vacuum extraction of soil and groundwater contaminants |
| 01/20/1998 | US5709081 Exhaust gas system for a combustion engine with exhaust driven turbo charge |
| 01/20/1998 | US5709038 Automated air filtration and drying system for waterborne paint and industrial coatings |
| 01/20/1998 | CA1339624C Process for controlling a sodium sulfate-containing residue |
| 01/15/1998 | WO1998001387A1 Process for the recovery of sulfur from so2 containing gases |
| 01/15/1998 | WO1998001217A1 Method and equipment for decomposing fluorocarbons |
| 01/15/1998 | WO1998001216A1 Fume purification method and device |
| 01/15/1998 | WO1998001215A1 Method for the adsorptive separation of air |
| 01/15/1998 | WO1998001214A1 Method of recovering fluorine compounds from vapors exiting wet process phosphoric acid evaporators |
| 01/15/1998 | WO1997040266A3 System for reduction of harmful exhaust emissions from diesel engines |
| 01/15/1998 | WO1997028884A3 Compounds for the sorption of gases |
| 01/15/1998 | DE19649927C1 Removing waste gas containing mercury, dust, heavy metals |
| 01/15/1998 | DE19628521A1 Safe and useful disposal method for animal body parts |
| 01/15/1998 | DE19628212A1 Verfahren zum Reinigen und/oder Regenerieren von ganz oder teilweise desaktivierten Katalysatoren zur Entstickung von Rauchgasen A method for cleaning and / or regeneration of all or part of deactivated catalysts for denitrification of flue gases |
| 01/15/1998 | DE19627909A1 Verfahren zur Herstellung von feinteiligen, wasserunlöslichen Polymerisaten von Aziridinen sowie von modifizierten, wasserunlöslichen Polymerisaten von Aziridinen sowie von modifizierten, wasserunlöslichen Polymerisaten von Aziridinen und ihre Verwendung A process for the preparation of finely divided, water-insoluble polymers of aziridines as well as modified, water-insoluble polymers of aziridines as well as modified, water-insoluble polymers of aziridines and their use |
| 01/15/1998 | DE19627889A1 Air dryer for compressed air brakes of a vehicle with inner and outer pots |
| 01/15/1998 | DE19627798A1 Process for removing ammonia, methane and gaseous sulphur compounds from liquid manure gases |
| 01/15/1998 | DE19627422A1 Verfahren zur adsorptiven Trennung von Luft The method of adsorptive separation of air |
| 01/15/1998 | DE19626381A1 Verfahren zum schadstoffarmen Betreiben eines Verbrennungsmotors A method for operating a low-emission engine |
| 01/15/1998 | DE19622692C1 Liquefaction of hydrocarbon-rich gas stream containing aromatic and heavy hydrocarbon(s) |
| 01/15/1998 | CA2259946A1 Process for the recovery of sulfur from so2 containing gases |
| 01/15/1998 | CA2259660A1 Method for the adsorptive separation of air |
| 01/15/1998 | CA2210340A1 Separation of gases by pressure swing adsorption |
| 01/14/1998 | EP0818617A1 Engine arrangement |
| 01/14/1998 | EP0818239A1 Photocatalyst, method of producing the photocatalyst, and photocatalytic reaction method |
| 01/14/1998 | EP0818232A1 Removal of nitrogen oxides from gas streams |
| 01/14/1998 | EP0818231A1 Recovering water soluble, volatile, organic compounds from bakery and other plant emissions |
| 01/14/1998 | EP0818230A1 Fibre filter and process for producing it |
| 01/14/1998 | EP0787225A4 Method for minimizing solvent degradation and corrosion in amine solvent treating systems |
| 01/14/1998 | EP0708678B1 Container for carbon molecular-sieve material |
| 01/14/1998 | EP0644800B1 Support of a three-way catalyst and method of producing the same |
| 01/14/1998 | EP0640004B1 Method for the direct, high-selectivity, catalytic, oxidative conversion into sulphur of h2s present in a low concentration in a gas |
| 01/14/1998 | CN2272319Y Venturi flushing water membrane high-effect desulfurating dust trap |
| 01/14/1998 | CN1169885A Degassing liquids, apparatus and method |
| 01/14/1998 | CN1036977C Desulphurisation of waste gases |
| 01/13/1998 | US5707915 Photocatalyst sheet and method for producing thereof |
| 01/13/1998 | US5707595 Method and apparatus for use in photochemically oxidizing gaseous volatile or semi-volatile organic compounds |
| 01/13/1998 | US5707593 Energy self-sustainable reactor for gasifying engine particulates and unburned hydrocarbons |
| 01/13/1998 | US5707509 Catalytic layer, ion conductive layer, counterelectrode, controlling voltage in response to engine rotation/load, temperature, concentration |
| 01/13/1998 | US5707508 Apparatus and method for oxidizing organic materials |
| 01/13/1998 | US5707430 Concentration of hydrocarbon discharged from canister by break-through is detected; accuracy |
| 01/13/1998 | US5707425 Helium recovery from higher helium content streams |
| 01/13/1998 | US5707424 Process system with integrated gas storage and delivery unit |
| 01/13/1998 | US5707423 Substituted polyacetylene separation membrane |
| 01/13/1998 | US5707410 Exhaust stack scrubber |
| 01/08/1998 | WO1998000631A1 Catalytic reactor for marine application |
| 01/08/1998 | WO1998000630A1 Process and device for operating an internal combustion engine with less pollutant emissions |
| 01/08/1998 | WO1998000324A1 A drain valve |
| 01/08/1998 | WO1998000290A1 Photocatalyst sheet |
| 01/08/1998 | WO1998000230A1 Gas treatment cylinder |
| 01/08/1998 | WO1998000223A1 Nitrogen oxide adsorbing material |
| 01/08/1998 | WO1998000222A1 Material and system for catalytic reduction of nitrogen oxide in an exhaust stream of a combustion process |
| 01/08/1998 | WO1998000221A1 Exhaust system with emissions storage device and plasma reactor |
| 01/08/1998 | WO1997043031A3 Method and apparatus for nox abatement in lean gaseous streams |
| 01/08/1998 | WO1997039490A3 Thermally enhanced compact reformer |
| 01/08/1998 | DE19705662A1 Catalyst treatment system for removing hazardous substances from waste gas |
| 01/08/1998 | DE19627393A1 Treatment for effluent air containing volatile organic compounds from e.g. printing and adhesion processes |
| 01/08/1998 | DE19627028A1 Flue gas cleaner for domestic wood-burning heaters |
| 01/08/1998 | DE19627001A1 Sulphur removal from vented air |
| 01/08/1998 | DE19626956A1 Regeneration valve for air dryers |
| 01/08/1998 | DE19626421A1 Removing environmentally harmful gaseous hydride(s) and halide(s) of silicon and arsenic |
| 01/08/1998 | DE19624982A1 Use of humic acid or derivatives in purifying waste water, exhaust gas etc |
| 01/08/1998 | DE19623981A1 Removal of pollutants from sintering plant waste gases using lignite coke adsorbent |
| 01/08/1998 | CA2230812A1 Photocatalytic sheet |
| 01/08/1998 | CA2209005A1 Recovering water soluble, volatile, organic compounds from bakery and other plant emissions |
| 01/07/1998 | EP0816823A1 Sampling tube and method for manufacturing such sampling tube |
| 01/07/1998 | EP0816647A1 Exhaust gas purifying apparatus and method for internal combustion engine |
| 01/07/1998 | EP0816225A1 Process for the removal of gaseous components from the air of an aircraft cabin |
| 01/07/1998 | EP0815938A1 A catalyst for purification of industrial and automotive vehicle exhaust gas |
| 01/07/1998 | EP0815932A1 Vessel for gas treatment |
| 01/07/1998 | EP0815925A1 Apparatus for purifying exhaust gas emitted from diesel engine |
| 01/07/1998 | EP0815924A1 Nitrogen oxide removal catalyst |
| 01/07/1998 | EP0815923A2 Method for controlling oxidation in flue gas desulfurization |
| 01/07/1998 | EP0815922A2 Desulfurization and decarbonation process |
| 01/07/1998 | EP0815921A1 Method for treating exhaust gases |
| 01/07/1998 | EP0815920A2 Multi-thermal pulse absorber regeneration system |
| 01/07/1998 | EP0815910A1 Process for the removal of corrosive compounds from a fluid stream |
| 01/07/1998 | EP0815449A1 Assay devices |
| 01/07/1998 | EP0815185A1 Utilization of platinum group in diesel engines |
| 01/07/1998 | EP0814895A1 Method and apparatus for treatment of exhaust streams |
| 01/07/1998 | EP0814894A1 Process for the treatment of gases |
| 01/07/1998 | EP0814893A2 Cleaning ambient air by moving a vehicle having a pollutant treating through the atmosphere |
| 01/07/1998 | EP0814884A1 Improvements in membrane processes including electrodialysis |
| 01/07/1998 | EP0785818A4 Multiple stage semi-permeable membrane gas separation process |
| 01/07/1998 | EP0741852A4 Process and apparatus for recovering vapor |
| 01/07/1998 | EP0702771B1 Exhaust gas cleaning installation |
| 01/07/1998 | EP0626190B1 Sheet type and sheet-filter type methyl bromide removing material, and methyl bromide removing method using the same materials |
| 01/07/1998 | CN1169335A Method for taking off hydrogen sulfide from mixed gas |
| 01/07/1998 | CN1169334A Acidic gas absorbent and preparation method thereof |
| 01/07/1998 | CN1169333A All-low-pressure air separation technology |
| 01/07/1998 | CN1169332A Fluid transport method |
| 01/07/1998 | CN1036923C Use of dehydrated trehalose as drying agent |