| 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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| 07/30/1991 | US5035727 Oxygen extraction from externally fired gas turbines |
| 07/30/1991 | US5035726 Process for removing oxygen from crude argon |
| 07/30/1991 | US5035188 Liquid blowdown elimination system |
| 07/30/1991 | US5035117 Thermal engine driven heat pump for recovery of volatile organic compounds |
| 07/30/1991 | CA2074840A1 Sewage purification apparatus |
| 07/30/1991 | CA2074829A1 Method for purifying sewage |
| 07/30/1991 | CA2074168A1 Spiral-wound membrane separation device with feed and permeate/sweep fluid flow control |
| 07/30/1991 | CA1286918C Incineration system for the destruction of hazardous wastes |
| 07/30/1991 | CA1286865C Porous liquid polytetrafluoroethylene membrane with hydrophobic and hydrophilic surfaces |
| 07/26/1991 | CA2034895A1 Process for scavenging hydrogen sulfide using glyoxal |
| 07/25/1991 | WO1991010869A1 Scrubbing solution formulation for reducing solvent losses in amine scrubbing systems |
| 07/25/1991 | WO1991010634A1 Nitrogen-containing aromatic heterocyclic ligand-metal complexes and their use for the activation of hydrogen peroxide and dioxygen in the reaction of organic compounds |
| 07/25/1991 | WO1991010617A1 Conversion of h2s to sulfur |
| 07/25/1991 | WO1991010505A1 LAYERED DOUBLE HYDROXIDE SORBENTS FOR THE REMOVAL OF SOx FROM FLUE GAS AND OTHER GAS STREAMS |
| 07/25/1991 | WO1991010504A1 PROCESS FOR REMOVING NOx EMISSIONS FROM COMBUSTION EFFLUENTS |
| 07/25/1991 | WO1991010499A1 Process for removing organic trace substances from flue gases |
| 07/25/1991 | WO1991010497A1 Exhaust filter system for sterilizers |
| 07/25/1991 | WO1991010496A1 Catalytic reactor for gas phase reactions |
| 07/25/1991 | WO1991010478A1 Waste treatment |
| 07/25/1991 | DE4001710A1 Removing condensable and sublimable cpds. from gases - by regenerating two=stage cooling, with intermediate mist removal, then warming to ambient temp. |
| 07/25/1991 | DE4001604A1 Waste gas desulphurisation - using recirculated scrubbing liq. regenerated with barium or strontium cpds. |
| 07/25/1991 | DE4001305A1 Verfahren zur entfernung von organischen spurenstoffen aus rauchgasen Process for the removal of organic trace substances from flue gases |
| 07/25/1991 | DE4001261A1 Plant for thermal mineralisation of waste residues of low heat value - with passage of flue gas from furnace through residues in kiln |
| 07/24/1991 | WO1991011247A1 Filter material for motor vehicles |
| 07/24/1991 | EP0438326A1 Gas treating process, device and installation for effecting it |
| 07/24/1991 | EP0438282A1 Production of pure nitrogen from air |
| 07/24/1991 | EP0438251A1 Gas/liquid separator |
| 07/24/1991 | EP0438214A2 Reversible membrane plant |
| 07/24/1991 | EP0438213A2 Airfoil lance apparatus |
| 07/24/1991 | EP0438036A2 Method for determining the end of useful life of an inert gas purifier and apparatus therefor |
| 07/24/1991 | EP0437941A1 Fossil fuel flue gas scrubbing |
| 07/24/1991 | EP0437901A1 Method for purifying exhaust gas and apparatus therefor |
| 07/24/1991 | EP0437608A1 Process for decomposing ammonia |
| 07/24/1991 | EP0437433A1 PLANAR POLAROGRAPHIC PROBE FOR DETERMINING THE -g(l) VALUE OF GASEOUS MIXTURES. |
| 07/24/1991 | EP0408700A4 Composition and method for sweetening hydrocarbons |
| 07/24/1991 | CN1053196A Double deck distributor |
| 07/24/1991 | CN1013246B Catalyst for the selective oxidation of sulfur containing compounds in particular hydrogen sulfide to elemental sulfur, and its process and use |
| 07/24/1991 | CA2049978A1 Filter material for motor vehicles |
| 07/23/1991 | US5034369 Novel catalysts for the treatment of gaseous effluents containing oxidizable sulfur pollutants |
| 07/23/1991 | US5034367 Supported catalysts for decomposing ozone, method of producing such catalysts and method of catalytically decomposing ozone |
| 07/23/1991 | US5034205 Reaction of calcium carbonate with sulfur dioxide to form calcium sulfate and calcium sulfite |
| 07/23/1991 | US5034204 Flue gas desulfurization process |
| 07/23/1991 | US5034203 Removal of mercury from natural gas utilizing a polysulfide scrubbing solution |
| 07/23/1991 | US5034193 Automated preparative gas chromatograph |
| 07/23/1991 | US5034126 Counter current dual-flow spiral wound dual-pipe membrane separation |
| 07/23/1991 | US5034112 Device for measuring concentration of nitrogen oxide in combustion gas |
| 07/23/1991 | US5034040 Storage tank dehydration system |
| 07/23/1991 | US5034039 Filter dehydrator device |
| 07/23/1991 | US5034032 Air cleaner and air filter |
| 07/23/1991 | US5034029 Apparatus for effecting gas-liquid contact |
| 07/23/1991 | US5034028 Exhaust gas treating method |
| 07/23/1991 | US5034025 Membrane process for removing water vapor from gas |
| 07/23/1991 | US5034023 Hermetic sealed channels separated by partitions, applying a voltage |
| 07/23/1991 | US5034020 Fuel additives to improve combustion, a platinum compound |
| 07/23/1991 | US5033465 Bonded adsorbent structures and respirators incorporating same |
| 07/21/1991 | CA2027120A1 Vapor purification apparatus |
| 07/20/1991 | CA2034598A1 Gas separation apparatus |
| 07/20/1991 | CA2034597A1 Low temperature purification of gases |
| 07/18/1991 | DE4040838A1 Pulsating inert gas expelling volatile contaminants from terrain - and ground water prevents explosive mixt. formation |
| 07/18/1991 | DE4000708A1 Hydride use to reduce nitrogen oxide cpds. in combustion exhaust gas - after oxidising combustible components with air, reducing environmental pollution |
| 07/17/1991 | EP0437338A1 Apparatus for the prevention of acid excursions |
| 07/17/1991 | EP0437221A2 Process for emission free desorption |
| 07/17/1991 | EP0437213A1 Method for power generation with gas turbine using gasified fuel of inferior quality |
| 07/17/1991 | EP0437087A1 Process for preparing an oxidation catalyst with modified platinum structure |
| 07/17/1991 | EP0437052A1 Process for preparing a reduction catalyst with modified rhodium structure |
| 07/17/1991 | EP0437038A1 Method of controlling solvent vapor concentrations in the cleaning of articles and apparatus useful therefore |
| 07/17/1991 | EP0437027A1 Selective adsorption of nitrogen on magnesium-containing clinoptilolite |
| 07/17/1991 | EP0436942A2 Device for removing hydrogen from hydrogen, oxygen and aerosol containing gaseous mixture |
| 07/17/1991 | EP0436890A1 Sulphur dioxide removal from flue gases with sulphite oxidation inhibition |
| 07/17/1991 | EP0436822A2 Process for the purification of exhaust gases of plants for the production of cement clinker |
| 07/17/1991 | EP0436696A1 Process for removing or reducing the quantity of gaseous hazardous substances. |
| 07/17/1991 | CN1053043A Carbon dioxide removal from gaseous mixture |
| 07/17/1991 | CA2034167A1 Nitrogen-containing aromatic heterocyclic ligand-metal complexes and their use for the activation of hydrogen peroxide and dioxygen in the reaction of organic compounds |
| 07/16/1991 | US5032279 Separation of fluids using polyimidesiloxane membrane |
| 07/16/1991 | US5032156 Device for performing a sorption process |
| 07/16/1991 | US5032152 Modified molecular sieve |
| 07/16/1991 | US5032150 High purity oxygen and nitrogen |
| 07/16/1991 | US5032148 Membrane fractionation process |
| 07/16/1991 | US5032143 Purification |
| 07/16/1991 | CA1286325C Hazardous waste reactor system |
| 07/16/1991 | CA1286232C Hybrid double hydrocyclone-gravity gas/liquid separator |
| 07/16/1991 | CA1286065C Formation of continuous pores membrane by treating liquid medium containing protien with reactant |
| 07/11/1991 | WO1991010000A1 Adsorbent activated carbonized polyarylamides |
| 07/11/1991 | WO1991009823A1 Photocatalytic process for degradation of organic materials in a vaporized or gaseous state |
| 07/11/1991 | WO1991009801A1 Device for the metered delivery of pourable solids |
| 07/11/1991 | WO1991009679A1 Electrostatic separation method and apparatus |
| 07/11/1991 | WO1991009672A1 Device for the separation of undesired exhaust gas components |
| 07/11/1991 | WO1991009663A1 A system and a process for the purification treatment of smokes, dusts and exhaust gases after combustion |
| 07/11/1991 | DE4101244A1 Nitrification of waste water - using immobilised microorganisms in stirred bio-reactor with floating support for microorganisms above water level |
| 07/11/1991 | DE4003833A1 Catalytic hydrogen gas absorption unit for nuclear reactors - has filter enclosure to protect catalytic coating from aerosol fat and steam pollution before working temp. is reached |
| 07/11/1991 | DE4000487A1 Appts. to remove contaminating materials from air in transport - where air filtered before discharging it to atmos., preventing leakage of contaminated air direct to atmos. |
| 07/11/1991 | DE4000204A1 Vorrichtung zum dosierten austragen von schuettfaehigem feststoff Device for metered unsubscribe pourable solids |
| 07/11/1991 | DE4000203A1 Vorrichtung zum abtrennen unerwuenschter abgasbestandteile Means for disconnecting of unwanted emission consisted share |
| 07/10/1991 | EP0436466A2 Improved control of catalytic reaction and devices therefor |
| 07/10/1991 | EP0436124A2 Filter body and process for its manufacture |
| 07/10/1991 | CN1052796A Vapor phase adsorption process using sequential adsorption zones containing different particle size adsorbents |
| 07/09/1991 | US5030610 Press-molding mixtures of calcium hydroxide, alkali and alkaline earth metal hydroxides, water; then heat treatment |
| 07/09/1991 | US5030437 Selenide and/or sulfide salt mixture; sweetening natural gas |
| 07/09/1991 | US5030428 Process of purifying flue gases |
| 07/09/1991 | US5030423 Integrated air conditioning system |