| 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) |
|---|
| 01/05/1993 | US5176887 Treating emissions from engines fueled by compressed natural gas |
| 01/05/1993 | US5176823 Odor control system for wastewater settling tank with gas velocity test probes |
| 01/05/1993 | US5176798 System for removal and disposal of minor amounts of organics from contaminated water |
| 01/05/1993 | US5176725 Multiple stage countercurrent hollow fiber membrane module |
| 01/05/1993 | US5176722 Nitrogen from air |
| 01/05/1993 | US5176721 Adsorber and process for the separation by adsorption |
| 01/05/1993 | US5175998 Exhaust system |
| 01/05/1993 | CA1312325C Catalyst for treatment of exhaust gases from internal combustion engines |
| 01/05/1993 | CA1312189C Multi-stage process for reducing the concentration of pollutants in an effluent |
| 01/03/1993 | CA2072722A1 Multistage cascade-sweep process for membrane gas separation |
| 01/02/1993 | CA2072232A1 Concentrated water soluble organic lanthanide salts |
| 12/30/1992 | EP0520863A1 Process and apparatus for producing a controlled atmosphere in a partitioned container for preserving fresh vegetable food products |
| 12/30/1992 | EP0520672A2 Method of removing gases and light hydrocarbons from gas streams |
| 12/30/1992 | EP0520317A1 Process for thermal conversion of hydrogen sulphide to elemental sulphur |
| 12/30/1992 | EP0520316A1 Process for the selective removal of H2S |
| 12/30/1992 | EP0520257A2 Methods and compositions for oxygen scavenging |
| 12/30/1992 | EP0520217A1 A catalyst for reducing nitrogen oxides in combustion gases and a method for its production |
| 12/30/1992 | CN2126108U Droplet absorbing purification tower |
| 12/29/1992 | WO1993000148A1 Wet scrubbing device, in particular for separating gaseous, liquid and/or solid impurities from gas streams |
| 12/29/1992 | WO1993000147A1 Process and plant for separating solid and/or liquid particles and/or polluting gas from a gas stream |
| 12/29/1992 | US5175106 Method and apparatus for improving efficiency of fluid use and odor control in in-vessel composting systems |
| 12/29/1992 | US5174979 Mixed ion-exchanged zeolites and processes for the use thereof in gas separations |
| 12/29/1992 | US5174973 Method and apparatus for effecting gas-liquid contact |
| 12/29/1992 | US5174968 Used in catalytic converter to convert polluent materials in engine and turbine exhaust such as carbon monoxide, unburned hydrocarbons, nitrogen oxides to carbon dioxide, nitrogen and water |
| 12/29/1992 | US5174919 Sulfur absorbents and process for removing sulfur from fluid streams |
| 12/29/1992 | US5174888 Hydrorefining catalysts of metal silicates, germinates and phosphates |
| 12/29/1992 | US5174866 Oxygen recovery from turbine exhaust using solid electrolyte membrane |
| 12/29/1992 | US5174798 Multiple filter cartridge position limiting device |
| 12/29/1992 | US5174796 Reducing nitrogen contrent by pressure swing adsorption |
| 12/29/1992 | US5174126 Air conditioning system |
| 12/29/1992 | CA2090451A1 Process and plant for separating solid and/or liquid particles and/or polluting gas from a gas stream |
| 12/29/1992 | CA2072538A1 Process and device for controlling the atmosphere within compartments of a fresh produce conservation container |
| 12/29/1992 | CA2045905A1 Process for recovering organic vapors from air |
| 12/29/1992 | CA1311909C Process and apparatus for treating a sulfur dioxide-containing gas |
| 12/29/1992 | CA1311908C Process for the reduction of nitrogen oxides in an effluent |
| 12/29/1992 | CA1311907C Ammonia scrubbing |
| 12/27/1992 | CA2068074A1 Upstream collimator for electrically heatable catalytic converter |
| 12/25/1992 | CA2069380A1 Method for removing permanent gases and light hydrocarbons from waste and process gas streams and petrochemical processes |
| 12/24/1992 | DE4120191A1 Removing styrene from styrene-contg. air - by adsorption on particulate additives or SMC or bulk moulding cpd. materials, which are then mixed with SMC or bulk moulding cpd. compsns. and hardened |
| 12/23/1992 | WO1992022680A1 Improved process for removal of sulfur dioxide from waste gases |
| 12/23/1992 | WO1992022449A2 Air dryer purge cycle timing control |
| 12/23/1992 | EP0519225A1 Process and apparatus for cleaning flue gases from furnace installations |
| 12/23/1992 | EP0519120A1 Catalyst for purification of exhaust gases |
| 12/23/1992 | EP0518931A1 Refrigeration process with purge and recovery of refrigerant |
| 12/22/1992 | US5173471 Honeycomb body with heat resistant planar band and heat resistant corrugated band |
| 12/22/1992 | US5173466 Catalyst for the reduction of nitrogen oxides from waste gases and a process for its production |
| 12/22/1992 | US5173462 Industrial adsorbents based on low-silica x zeolites, for non-cryogenic separation of air gases, and their manufacture process |
| 12/22/1992 | US5173279 Method and composition for treating flue or exhaust gases utilizing modified calcium hydroxide |
| 12/22/1992 | US5173278 Denitrification of flue gas from catalytic cracking |
| 12/22/1992 | US5173232 Process for agglomerating stack gas desulfurization residue |
| 12/22/1992 | US5173093 Single spray level for flue gas desulfurization system |
| 12/22/1992 | US5172644 Slagging combustion system and lignite-derived activated coke system |
| 12/22/1992 | US5172544 Method for power generation with gas turbine using gasified fuel of inferior quality |
| 12/22/1992 | CA2045252A1 Refrigerant reclaim unit |
| 12/22/1992 | CA1311693C Process for producing high quality gas for instrumentation application using gas separation membranes |
| 12/22/1992 | CA1311603C Catalyst and process for abatement of no _in exhaust gases |
| 12/22/1992 | CA1311602C Lin's flue gas desulfurization process according to a reaction mechanism |
| 12/19/1992 | CA2057634A1 Catalyst for purification of exhaust gases |
| 12/17/1992 | DE4119661A1 Polyurethane foam filter strip material - has notches formed in it before impregnation with adsorbent material to allow folding |
| 12/17/1992 | DE4119630A1 Flue gas purificn. - by wet scrubbing with induced oxidn. of toxic matter and sulphur di:oxide to harmless prod. suitable for dumping or reprocessing |
| 12/17/1992 | DE4119486A1 Removing pollutants from gases, liq. or solids by chemisorption |
| 12/17/1992 | DE4119485A1 Removing pollutants from gases, liq. or solids by chemisorption |
| 12/17/1992 | DE4119156A1 Cleaning vehicle exhaust emissions with improved energy efficiency - by gasifying particles in a porous or honeycomb structure using a hydrogen@ oxidn. burner, then reducing and oxidising in catalytic converters |
| 12/16/1992 | EP0518606A1 Method and apparatus for minimizing environmental release of toxic compounds in the incineration of wastes |
| 12/16/1992 | EP0518585A1 Flue gas desulfurization process |
| 12/16/1992 | EP0518379A2 Process for the removal of organic and inorganic toxic products from gaseous liquid and/or solid materials |
| 12/16/1992 | EP0518075A1 Process for reprocessing contaminated water containing hydrochloric acid |
| 12/16/1992 | EP0513207A4 Spiral-wound membrane separation device with feed and permeate/sweep fluid flow control |
| 12/16/1992 | EP0418305B1 A layered automotive catalytic composite |
| 12/16/1992 | EP0367817B1 Heat and material exchange device |
| 12/16/1992 | CN1066991A Method for eliminating leaked chlorine |
| 12/16/1992 | CN1019454B Membrane unit and membrane device for separation of superpure hydrogen from hydroger containing gas mixture |
| 12/15/1992 | US5172066 Method for determining the end of useful life of a gas purifier and apparatus therefore |
| 12/15/1992 | US5171728 Catalyst for oxidizing carbon-containing compounds and method for the production of the same |
| 12/15/1992 | US5171558 Catalytic decomposition of cyanuric acid and use of product to reduce nitrogen oxide emissions |
| 12/15/1992 | US5171554 Conversion of formaldehyde and nitrogen to a gaseous product and use of gaseous product in reduction of nitrogen oxide in effluent gases |
| 12/15/1992 | US5171553 Using ion exchanged crystalline zeolite catalyst |
| 12/15/1992 | US5171552 Calcium desulfurization agent; dinitrating reducing agent |
| 12/15/1992 | US5171551 Zirconium dioxide gas desulfurization catalyst |
| 12/15/1992 | US5171446 Pollutant emission control system |
| 12/15/1992 | US5171445 Mixing polymer, solvent, nonsolvent, casting into thin layer, passing into solvent extraction quench bath within less than half a second, recovering |
| 12/15/1992 | US5171336 Purge air system |
| 12/15/1992 | US5171333 Methane purification by pressure swing adsorption |
| 12/15/1992 | US5170726 Apparatus and methods for remediating materials contaminated with hydrocarbons |
| 12/15/1992 | US5170725 Method and system of pyroprocessing waste products, particularly scrap metal, adulterated by organic components |
| 12/15/1992 | US5170633 Desiccant based air conditioning system |
| 12/15/1992 | US5170624 Composite catalytic converter |
| 12/15/1992 | CA1311426C Molten salt hydrate membranes for the separation of gases |
| 12/15/1992 | CA1311357C Process and apparatus for the purification of crude gases with simultaneous production of synthesis gas and fuel gas |
| 12/15/1992 | CA1311343C Method for scrubbing pollutants from an exhaust gas stream |
| 12/10/1992 | WO1992021431A1 Dual impeller method and apparatus for effecting chemical conversion |
| 12/10/1992 | WO1992021430A1 Membrane gas separation process and apparatus |
| 12/10/1992 | WO1992021429A1 A method of cooling and cleaning waste gas from an industrial process and apparatus therefor |
| 12/10/1992 | WO1992021418A1 A vapor-liquid distribution method and apparatus |
| 12/10/1992 | WO1992016306A3 Manufacture of high precision electronic components with ultra-high purity liquids |
| 12/10/1992 | DE4119006A1 Removal of prods. of incomplete combustion from waste gas - comprises paraffin addn. during wet scrubbing |
| 12/10/1992 | DE4118733A1 Vapour condensn. in electric field - using heat exchange tubes or plates as counter-electrode |
| 12/10/1992 | CA2109945A1 A method of cooling and cleaning waste gas from an industrial process and apparatus therefor |
| 12/09/1992 | EP0517570A1 Membrane generators having high flexibility |
| 12/09/1992 | EP0517522A1 A method of producing a filtering material |