| 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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| 03/30/1993 | US5198201 Pollution control |
| 03/30/1993 | US5198110 Filaments in packages |
| 03/30/1993 | US5198004 Activated carbon filter for removing toxic substances, e.g., dioxins and furans, from flue gases prior to entry into the smokestack |
| 03/30/1993 | US5198001 Apparatus and process for removing organic compounds from a gas stream |
| 03/30/1993 | US5198000 Air pollution control |
| 03/30/1993 | CA1315269C Process of regenerating absorbent solution streams laden with carbon dioxide and carbon oxysulfide |
| 03/30/1993 | CA1315205C Catalyst support for catalytic reactors |
| 03/27/1993 | CA2078959A1 Method of and apparatus for treating malodorous gases |
| 03/26/1993 | CA2078739A1 5,5-dialkyl hydantoins for promoted acid gas scrubbing processes |
| 03/26/1993 | CA2072295A1 Adsorbent vessel having a convective heat exchanger and flow developer |
| 03/25/1993 | DE4131296A1 Verfahren und apparatur zur aufbereitung von tierexkrementen, guelle und jauche Method and apparatus for treatment of animal excrement, liquid manure |
| 03/25/1993 | DE4130929A1 Compressor process to clean vehicle exhaust gases - comprises compression stage, then compressed gas is passed through to absorption filter, cleaned, expanded back to atmospheric pressure and released |
| 03/24/1993 | EP0533480A1 A process for the desulfurization and denitrification of a waste gas containing halogen-containing materials |
| 03/24/1993 | EP0533460A1 Exhaust gas purification apparatus for an internal combustion engine |
| 03/24/1993 | EP0533312A1 Method for functionalizing a synthetic mesoporous crystalline material |
| 03/24/1993 | EP0532841A1 A method and plant for removing pollutants from a combustion gas |
| 03/24/1993 | EP0532814A1 Device for treating fluids with an adsorption structure of superposed and spaced layers and regeneration by joule effect |
| 03/24/1993 | EP0532803A1 Four phase process for controlling emissions during cold start of internal combustion engine |
| 03/24/1993 | EP0532730A1 Regenerative heat-exchanger. |
| 03/24/1993 | EP0500708A4 Solid state oxygen compressor |
| 03/24/1993 | EP0477181A4 Super-equilibrium desulfurization of sulfur containing products of combustion |
| 03/24/1993 | EP0368861B1 Method and apparatus for treating process gases |
| 03/24/1993 | CN1070129A Method and device for tackling waste gas from viscose fibers production |
| 03/24/1993 | CN1070128A Palladium/manganese oxide deoxidizing agent |
| 03/23/1993 | US5196633 Catalytic conversion |
| 03/23/1993 | US5196390 Hydrogen sulfide-suppressing catalyst system |
| 03/23/1993 | US5196389 Catalytic system particularly for the postcombustion of exhaust gases and a method of producing such a system |
| 03/23/1993 | US5196380 Manganese or alkali metal, semiconductor manufacture |
| 03/23/1993 | US5196176 Sulfur reducing bacteria and sulfur oxidizing bacteria |
| 03/23/1993 | US5196175 Dispersion enhanced PT group metal catalysts |
| 03/23/1993 | US5196038 Catalytic converters to oxidize air and sulfur dioxide into sulfur trioxide; pollution control |
| 03/23/1993 | US5195326 Process for providing a controlled atmosphere inside an enclosure and having a controlled atmosphere |
| 03/23/1993 | CA1314862C Catalyst composition and absorbent which contain an anionic clay |
| 03/23/1993 | CA1314822C Adsorbent cartridge |
| 03/23/1993 | CA1314821C Pressure swing adsorption process and system for gas separation |
| 03/23/1993 | CA1314820C Automatic control for pressure swing adsorption system |
| 03/23/1993 | CA1314806C Vapor/liquid contact device |
| 03/23/1993 | CA1314766C Acid gas control process and apparatus for waste fired incinerators |
| 03/21/1993 | WO1993006063A1 Method and installation for processing animal excrement and liquid manure |
| 03/21/1993 | CA2096644A1 Method and installation for processing animal excrement and liquid manure |
| 03/19/1993 | CA2078577A1 Process for the desulfurization and denitrification of a waste gas containing halogen-containing materials |
| 03/18/1993 | WO1993005283A1 Electric insulation of structures in a honeycombed body, in particular in a catalyzer bearing body that can be electrically heated |
| 03/18/1993 | WO1993005128A1 Method of operating a coal-fired power station |
| 03/18/1993 | WO1993004983A1 Method for producing an aqueous industrial sodium chloride solution |
| 03/18/1993 | WO1993004778A1 High-length monobloc honeycomb structure |
| 03/18/1993 | WO1993004776A1 Catalyst for purification of lean-burn engine exhaust gas |
| 03/18/1993 | WO1993004774A1 Silver-containing carrier catalyst, and a method for the catalytic decomposition of nitrous oxide |
| 03/18/1993 | WO1993004767A1 Two-stage exhaust gas conversion catalyst system |
| 03/18/1993 | WO1993004765A1 Process for purifying flue gas |
| 03/18/1993 | WO1993004764A1 A method and apparatus for increasing the yield of an air-drying process |
| 03/18/1993 | WO1993004761A1 Air filter |
| 03/18/1993 | DE4230482A1 Dispersion sepn., esp. moist air drying with increased agglomeration efficiency - using sound source to agglomerated dispersed droplets or particles |
| 03/18/1993 | DE4230408A1 Nitrogen oxide(s) redn. in oxygen@-contg. exhaust gas - by hydrogen@ addn. and catalytic redn. |
| 03/18/1993 | DE4228267A1 Catalytic converter assembly for automotive gases - comprises inner mantle surrounding ribbed, flat, thin metal sheets as substrate, giving improved warm-up period efficiency |
| 03/18/1993 | DE4130763A1 Discharging purified smoke gas from boiler furnace of power station - comprises reheating gases, temporarily before and/or during firing and during critical operational phases, but not during steady operation |
| 03/18/1993 | DE4130348A1 Reductant injection into flue gas stream - using regulated lances arranged in several planes |
| 03/18/1993 | CA2116430A1 Air filter |
| 03/18/1993 | CA2115040A1 Two-stage exhaust gas conversion catalyst system |
| 03/18/1993 | CA2115039A1 Catalyst for purification of lean-burn engine exhaust gas |
| 03/18/1993 | CA2051552A1 Four phase process for controlling emissions during cold start of internal combustion engine |
| 03/17/1993 | EP0532491A1 Treatment of organic sulfur gases especially in kraft pulping systems and processes |
| 03/17/1993 | EP0532368A2 Membrane-based removal of condensable vapors |
| 03/17/1993 | EP0532207A1 A process for removing contaminants from exhaust gas |
| 03/17/1993 | EP0532074A1 Method and device for treating a hot gaseous mixture |
| 03/17/1993 | EP0532024A1 Catalyst for catalytic reduction of nitrogen oxide |
| 03/17/1993 | EP0531836A1 Method for purifying exhaust gas, containing CO2 + HCl + COCl2 |
| 03/17/1993 | EP0531726A1 Process for removing sulfur dioxide and nitrogen oxides from flue gases |
| 03/17/1993 | EP0531620A1 Separation of pollutants from flue gas of fossil fuel combustion and gasification |
| 03/17/1993 | CN1069905A Purifying method for boiler smoke and gas and its apparatus |
| 03/16/1993 | US5194719 Strengthening and mounting slotted metal honeycomb structures |
| 03/16/1993 | US5194478 Polyamide or copolyamide and metal compounds, seals and refluxing |
| 03/16/1993 | US5194414 Shaping a honeycomb laminate of paper and fibers, heat treatment with superheated steam, impregnation and drying |
| 03/16/1993 | US5194233 Process for purification of rare gas |
| 03/16/1993 | US5194147 Decontamination system |
| 03/16/1993 | US5194076 Low pressure drop dry scrubber |
| 03/16/1993 | US5194074 Gas permeable membranes, vacuum pumps for removal of gases |
| 03/16/1993 | CA1314496C Ceramic honeycomb filter for purifying exhaust gases |
| 03/16/1993 | CA1314494C Gas separation by pressure swing adsorption |
| 03/16/1993 | CA1314493C Pressure swing adsorption control method and apparatus |
| 03/16/1993 | CA1314491C Integrated pressure swing adsorption/membrane separation |
| 03/16/1993 | CA1314403C Method of contaminated soil remediation and apparatus therefor |
| 03/16/1993 | CA1314385C Autoclave for hazardous waste |
| 03/16/1993 | CA1314384C Process and apparatus for removing gaseous polluants from exhaust gases |
| 03/14/1993 | CA2077235A1 Continuous purification of an off-gas composed of co2 + hc1 + coc12 |
| 03/11/1993 | DE4237184A1 Redn. of nitrogen oxide(s) in truck engine exhaust gases - comprises mixing hydrogen@ with exhaust gases contg. a specified excess of air |
| 03/11/1993 | DE4228107A1 Diffusion cell for gas cleaning minimising hydrogen@ release - comprising heated inner container including diffusion pipe, heating mantle and mantle insulating outer vessel having gas-tight metal housing |
| 03/11/1993 | DE4130132A1 Hydrogen sulphide absorption from gas with high carbon di:oxide content - in ferric amino-carboxylate soln. stabilised with alkali hydrogen carbonate to avoid oxidative decomposition of amino-carboxylate |
| 03/11/1993 | DE4129894A1 Elektrische isolierung von strukturen in einem wabenkoerper, insbesondere einem elektrisch beheizbaren katalysator-traegerkoerper Electrical insulation of structures in a wabenkoerper, in particular an electrically heated catalyst-traegerkoerper |
| 03/11/1993 | DE4129608A1 Sludge dryer shell control - has indirect dryer with simulated feed action on a fault to maintain action of condenser and boiler |
| 03/11/1993 | DE4129566A1 Absorption of hydrogen sulphide from waste contg. carbon di:sulphide from viscose prodn. - in sodium hydroxide soln. contg. silicone oil or paraffin or alcohol |
| 03/11/1993 | CA2060819A1 Treatment of organic sulfur gases especially in kraft pulping systems and processes |
| 03/10/1993 | EP0530898A1 Method for operating a coal-fired power plant |
| 03/10/1993 | EP0530734A1 Catalyst for purifying exhaust gases of diesel engine |
| 03/10/1993 | EP0530731A1 Absorption of carbon dioxide gas contained in exhalation of inhalation anesthetic subject |
| 03/10/1993 | EP0530255A1 Process and apparatus for minimizing pollutant concentrations in combustion gases. |
| 03/10/1993 | EP0495089A4 Nitrogen oxides reduction using a urea hydrolysate |
| 03/10/1993 | EP0471716B1 Multi-stage vortex reactor |
| 03/10/1993 | EP0313658B1 Moisture remover |
| 03/10/1993 | CN1069757A Process and adsorption tower for adsorbing acetylene from rough mixed gas |
| 03/10/1993 | CN1069756A Process and adsorption tower for adsorbing acetylene from rough mixed gas |