| 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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| 09/23/1992 | EP0504256A1 Vibratory ion vapor generator |
| 09/23/1992 | EP0504203A1 Method and apparatus for effecting gas-liquid contact. |
| 09/23/1992 | EP0504187A1 Dual impeller method and apparatus for effecting chemical conversion. |
| 09/23/1992 | CN2116523U Absorption condensation tower for manufacturing formaldehyde |
| 09/22/1992 | US5149983 Method and apparatus for measuring the concentration of at least one material in a fluid medium mixed materials |
| 09/22/1992 | US5149880 Nitrogen-containing aromatic heterocyclic ligand-metal complexes and their use for the activation of hydrogen peroxide and dioxygen in the reaction of organic compounds |
| 09/22/1992 | US5149515 Nitric Acid, Spray Roasting, Atomizing |
| 09/22/1992 | US5149512 Catalytic reduction of NOx using methane in the presence of oxygen |
| 09/22/1992 | US5149511 Water-soluble, oxygenated organic compound as reductant; transition metal-exchanged zsm-5 zeolite and oxidation catalyst |
| 09/22/1992 | US5149509 Production of liquid sulfur |
| 09/22/1992 | US5149508 Parallel path catalytic converter |
| 09/22/1992 | US5149460 Composition for H2 S removal |
| 09/22/1992 | US5149459 H2 S removal composition |
| 09/22/1992 | US5149435 Molecular sieve arrangement and filtering method for removal of a selected constituent |
| 09/22/1992 | US5149343 Method for filtering radon from a gas stream |
| 09/22/1992 | US5149342 Desorption with steam, strippping, distillation, incineration, activated carbon |
| 09/22/1992 | US5149340 Without compressors |
| 09/22/1992 | US5148613 Closet drier |
| 09/22/1992 | CA2063684A1 Exhaust gas filter and/or a catalytic converter |
| 09/22/1992 | CA2055932A1 Regenerative process and system for the simultaneous removal of particulates and the oxides of sulfur and nitrogen from a gas stream |
| 09/22/1992 | CA1307747C Continuous recovery of sulfur from flue gas |
| 09/22/1992 | CA1307717C Method and apparatus for cleaning freight containers as well as for treating and circulating the fluids used |
| 09/22/1992 | CA1307709C Process and equipment for heating a liquid without pollution of the environment |
| 09/22/1992 | CA1307653C Apparatus for recovering elemental sulphur |
| 09/22/1992 | CA1307648C Process for the reduction of nitrogen oxides in an effluent using sugar |
| 09/22/1992 | CA1307632C Forming membrane structure by applying protein suspension to carrier |
| 09/20/1992 | CA2062696A1 Cyanocobaltate oxygen adducts |
| 09/19/1992 | CA2063215A1 Power plant with efficient emission control for obtaining high turbine inlet temperature |
| 09/19/1992 | CA2041490A1 Deodorizing material for animal breeding and process for producing the same |
| 09/17/1992 | WO1992015390A1 Method for cleaning process gases containing gaseous impurities |
| 09/17/1992 | WO1992015389A1 Process and device for separting gases by surface diffusion |
| 09/17/1992 | DE4109044A1 Incinerator exhaust gas cleaner - has smelting reactor to dispose of toxic salts and heavy metals |
| 09/17/1992 | DE4108653A1 Process to separate compressed gases of different molecular weight - using the reverse of mass density in comparison to fluid |
| 09/17/1992 | DE4108149A1 Procedure for cleaning liquids and gases using biological filter - gas gives up contaminant to absorber, clean gas picks up contaminant in greater concentration before entering biological filter |
| 09/17/1992 | DE4107983A1 Multipath adsorption filter plant to clean effluent gases - in partic. effluent gases from incineration installations |
| 09/17/1992 | DE4107874A1 Recovery of regenerating gas for adsorber - used to remove water from natural and refinery gases |
| 09/16/1992 | EP0504131A1 Reduction of pollutants originating from industrial processes |
| 09/16/1992 | EP0503882A1 Exhaust gas purification system for an internal combustion engine |
| 09/16/1992 | EP0503500A1 Catalytic body and process for producing the same |
| 09/16/1992 | EP0503483A1 Process using cyanocobaltate complexes for removing oxygen from a fluid stream |
| 09/16/1992 | EP0503366A1 Process for reducing the nitrogen oxide and sulphur oxide content in combustion gases |
| 09/16/1992 | EP0503049A1 Pressure and temperature swing adsorption system. |
| 09/16/1992 | EP0503011A1 Process for determining the concentration of substances, device for implementing the process, use of the process for changing the concentration of a substance contained in the fluid and plant therefor |
| 09/16/1992 | EP0502970A1 Exhaust gas conditioning. |
| 09/16/1992 | EP0502945A1 Method and apparatus for cleaning flue gas |
| 09/16/1992 | EP0502877A1 Process for removing condensable components from gas streams |
| 09/16/1992 | CN1064458A 3-c hydrocarbon decarbonizing process and device thereof |
| 09/16/1992 | CN1064420A Catalyst structure having integral heat exchange |
| 09/16/1992 | CN1064419A Layered double hydroxide sorbents for removal of sox from flue gas and other gas streams |
| 09/15/1992 | US5147842 Exhaust gas-purifying catalyst and process for preparation thereof |
| 09/15/1992 | US5147620 Desulfurization with copper |
| 09/15/1992 | US5147550 Pervaporation |
| 09/15/1992 | US5147516 NOx reduction by sulfur tolerant coronal-catalytic apparatus and method |
| 09/15/1992 | US5147429 Mobile airborne air cleaning station |
| 09/15/1992 | US5147420 Method and apparatus for drying air |
| 09/15/1992 | US5147419 Apparatus and method for air drying with reduced oxygen enrichment |
| 09/15/1992 | US5147417 Air-intake system for mobile engines |
| 09/15/1992 | US5147415 Process of treating the gases produced by the gasification of solid fine-grained fuels |
| 09/15/1992 | US5146978 Method and apparatus for monochannel simultaneous heat and mass transfer |
| 09/15/1992 | US5146755 Method for reducing flue gas acid vapor emissions and energy recovery |
| 09/15/1992 | US5146743 Process for accelerating the response of an exhaust gas catalyst, and apparatus and electrically heatable carrier bodies for performing the method |
| 09/15/1992 | CA2038252A1 Welder's helmet and photovoltaic power transmission circuit therefor |
| 09/15/1992 | CA1307473C Method and apparatus for removing carbon dioxide from air |
| 09/15/1992 | CA1307472C Process for preparation of molded zeolite body, adsorbing separating agent and oxygen-separating method |
| 09/15/1992 | CA1307380C Process and means for the selective extraction of n s contained in a gas |
| 09/14/1992 | WO1992016287A1 Random packing element and method |
| 09/10/1992 | DE4107927A1 Exhaust gas cleaner - mixes residue in washing vessel with cement to immobilise hazardous matter for safe disposal |
| 09/10/1992 | DE4107089A1 Verfahren und vorrichtung zum trennen und transportieren von gasen und/oder von durch dissoziation an oberflaechen entstandenen gasmolekuel-bruchstuecken durch oberflaechendiffusion Method and device for separating and transport of gases and / or by dissociation resulting in surface until gasmolekuel-bruchstuecken by oberflaechendiffusion |
| 09/10/1992 | DE4107062A1 Disposal of ethylene oxide, esp. from sterilisers - by using oxidn. prods. to heat air entering fume cupboard, and storing holding vessel before passing through catalyst |
| 09/10/1992 | DE4106872A1 Process for cleaning effluent air or gases - uses electrical resistance wire catalytically coated with rare earth oxide and active wash coat, and metal oxide |
| 09/10/1992 | DE4102685A1 Biological purificn. of waste water |
| 09/09/1992 | EP0502726A1 Honeycomb monolith heater |
| 09/09/1992 | EP0502627A1 Gas separation method and apparatus |
| 09/09/1992 | EP0502596A1 Apparatus and process for removing carbon dioxide from combustion exhaust gas |
| 09/09/1992 | EP0502443A1 Regenerative preheater and method of operating the same |
| 09/09/1992 | EP0502192A1 Method for removal of nitrogen oxides from exhaust gases |
| 09/09/1992 | EP0502161A1 Reduction of nitrogen oxide and carbon monoxide in effluent gases |
| 09/09/1992 | EP0502156A1 Catalytic decomposition of cyanuric acid and use of product to reduce nitrogen oxide emissions |
| 09/09/1992 | EP0502088A1 Method in cleaning flue gas in a pfbc plant including a gas turbine driven thereby. |
| 09/09/1992 | EP0502063A1 A method for the destruction of halogen-containing substances |
| 09/09/1992 | CN2115148U Ozone purge unit |
| 09/09/1992 | CN1064254A Pressure-changing adsorption process and device for air separation |
| 09/09/1992 | CN1064253A Industrial process for separation and recovery of chlorine |
| 09/09/1992 | CN1064224A Adsorption-distillation separation method |
| 09/09/1992 | CN1018175B Method for treating cyanide containing waste water |
| 09/08/1992 | US5145825 Oxidation catalyst resistant to sulfation |
| 09/08/1992 | US5145822 Oxiation of carbon monoxide, decomposition of ozone |
| 09/08/1992 | US5145816 Method for functionalizing synthetic mesoporous crystalline material |
| 09/08/1992 | US5145658 Reclaiming of heat of reaction energy from an alkaline scrubbing solution used in acid gas removal processes and apparatus therefor |
| 09/08/1992 | US5145657 Method for purification of gas |
| 09/08/1992 | US5145652 Catalytic reduction |
| 09/08/1992 | US5145651 System to mitigate the effect of an environmental release of a contaminant gas |
| 09/08/1992 | US5145648 Adsorption, oxidation |
| 09/08/1992 | US5145581 Composting system utilizing air recirculation |
| 09/08/1992 | US5145495 Air dryer purge cycle timing control |
| 09/08/1992 | US5145494 Adsorption and absorption at point of use |
| 09/08/1992 | US5145363 Method and an apparatus for continuously purifying an oxygen-containing gas for combustible contaminants |
| 09/08/1992 | CA2062347A1 Gas separation method and apparatus |
| 09/08/1992 | CA1307251C Catalyst and a method for denitrizing nitrogen oxides contained in waste gas |
| 09/08/1992 | CA1307195C Integrated method for processing a wet gas which contains methane for the purpose of removing water therefrom |