| 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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| 12/22/1999 | CN1239444A Catalyst for exhaust gas purification |
| 12/22/1999 | CN1239333A Process integrating solid oxide fuel cell and ion transport reactor |
| 12/22/1999 | CN1239210A Jet-type air purifier with high-energy negative ions |
| 12/22/1999 | CN1239072A Carbon dioxide production system with integral vent gas condenser |
| 12/22/1999 | CN1239017A Process for preparing catalyst containing noble metal for purifying waste gas |
| 12/22/1999 | CN1239011A PSA apparatus and process using adsorbent mixtures |
| 12/22/1999 | CN1047650C Conical honeycomb body |
| 12/22/1999 | CN1047540C Ternary composite metal oxide catalyst for treating automobile's waste gas, and method for preparing same |
| 12/21/1999 | US6004896 Impregnating zeolite with phosphoric acid to modify |
| 12/21/1999 | US6004524 Selective catalytic reduction of nitrogen oxides from exhaust gases, preferably those from diesel engines in vehicles, using pulsed superstoichiometric addition of ammonia |
| 12/21/1999 | US6004523 Process for abating NOx emissions from a manufacturing stream |
| 12/21/1999 | US6004522 Solid filtration media incorporating elevated levels of permanganate and water |
| 12/21/1999 | US6004521 Catalyst for purifying exhaust gases |
| 12/21/1999 | US6004520 Method for operating a purification device, a purification device and use of the same |
| 12/21/1999 | US6004384 Rotary adsorption apparatus |
| 12/21/1999 | US6004383 Membrane dryer for drying moist air with valved scavenger duct |
| 12/21/1999 | US6004381 Filtration device and method using absorption for the removal of gas phase contaminants |
| 12/21/1999 | US6004378 Adorption alternating pressure process for enrichment of air with oxygen using molecular sieve zeolites |
| 12/21/1999 | US6004377 System for collecting and refining SF6 gas and method therefor |
| 12/21/1999 | US6004374 Dehydration of mixed gas stream and carbon adsorbent membrane with withdrawal of water |
| 12/21/1999 | US6003327 Method and apparatus for cooling warm moisture-laden air |
| 12/21/1999 | US6003305 Method of reducing internal combustion engine emissions, and system for same |
| 12/21/1999 | US6003303 Methods for reducing harmful emissions from a diesel engine |
| 12/21/1999 | CA2179080C Method for producing oxygen and generating power using a solid electrolyte membrane integrated with a gas turbine |
| 12/21/1999 | CA2171245C Process and arrangement for the treatment of solid combustion residues in a combustion installation, in particular in a waste incineration plant |
| 12/21/1999 | CA2139605C Oxygen production by staged mixed conductor membranes |
| 12/21/1999 | CA2079720C Process for monitoring and controlling an alkanolamine reaction process |
| 12/21/1999 | CA2073713C Drapeable soft odor absorbing sheet material |
| 12/21/1999 | CA2067490C Flue gas treatment apparatus and flue gas treatment system |
| 12/16/1999 | WO1999065098A1 A fuel cell |
| 12/16/1999 | WO1999064731A1 Honeycomb arrangement |
| 12/16/1999 | WO1999064151A1 Catalyst for purifying exhaust gas and method of purifying exhaust gas |
| 12/16/1999 | WO1999064147A2 Microcomponent assembly for efficient contacting of fluid |
| 12/16/1999 | WO1999064139A1 Method for reducing nitrous oxide in gases and corresponding catalysts |
| 12/16/1999 | WO1999064138A1 A method to clean flue gas |
| 12/16/1999 | WO1999064136A1 Device and method for decomposing nitrogen oxides |
| 12/16/1999 | WO1999050549A3 Engine system with an internal combustion engine and method for controlling an internal combustion engine |
| 12/16/1999 | DE19918946A1 Engine for burning gases charged with impurities, especially sewage gas and waste gas |
| 12/16/1999 | DE19851041A1 Catalyst for purifying waste gases from I.C. engines and gas turbines |
| 12/16/1999 | CA2299562A1 Method for reducing nitrous oxide in gases and corresponding catalysts |
| 12/15/1999 | EP0964466A1 Process integrating a solid oxide fuel cell and an ion transport reactor |
| 12/15/1999 | EP0964215A2 Method for carbon dioxide recovery from a feed stream |
| 12/15/1999 | EP0964209A1 Dessicant for a room |
| 12/15/1999 | EP0964075A1 Metal organic gas scrubber |
| 12/15/1999 | EP0963782A2 NOx selective reduction catalyst |
| 12/15/1999 | EP0963781A2 Catalyst for purifying exhaust gas and process for producing the same |
| 12/15/1999 | EP0963780A1 Process for eliminating CO2 from combustion exhaust gases, conversion to CH4 and storage outside of the earth atmosphere |
| 12/15/1999 | EP0963779A1 Method of treating exhaust gases containing halogen based compound |
| 12/15/1999 | EP0963778A1 Process for drying and purifying air |
| 12/15/1999 | EP0963777A2 PSA apparatus and process using adsorbent mixtures |
| 12/15/1999 | EP0963776A1 Combined filter, suitable for retaining particles and gases |
| 12/15/1999 | EP0963341A1 Method and catalyst for direct sulphur oxidation of h 2?s contained in a gas |
| 12/15/1999 | EP0963239A1 Module made of at least two-type hollow fibres, and production of same |
| 12/15/1999 | EP0963236A1 Wet scrubbing spray apparatus and method for removing sulfur oxides from combustion effluents |
| 12/15/1999 | EP0963235A1 Open contact reactor |
| 12/15/1999 | EP0880390A4 Desiccant container |
| 12/15/1999 | EP0827451B1 Laminate for retaining organic vapours, aerosols and biological active substances |
| 12/15/1999 | EP0692044B1 Method for reusing spent gas from an ozone bleaching reactor |
| 12/15/1999 | CN2353438Y Regenerating recovering desulfurizing and dust-controlling apparatus |
| 12/15/1999 | CN1238746A Process and apparatus for producing fertilizer from sulfur oxide-containing gas |
| 12/15/1999 | CN1238711A Process for biological removal of sulphide |
| 12/15/1999 | CN1238710A Device and method for gas removal |
| 12/15/1999 | CN1238551A Beam generation apparatus |
| 12/15/1999 | CN1238241A Gas-phase catalytic or purifying process for coating boron nitride film on metal net |
| 12/15/1999 | CN1238235A Exhaustion pipe for reducing pollution by vacuum temp control and water spraying |
| 12/15/1999 | CN1238234A Mixed combustion technique by catalytic cracking of fume to regenerate it |
| 12/15/1999 | CN1238233A Process for integrating dust removal with desulfurization by water film and system thereof |
| 12/15/1999 | CN1238232A Method for carbon dioxide recovery from feed stream |
| 12/15/1999 | CN1238231A Process for desulfuring fume and recovering sulfur |
| 12/15/1999 | CN1238230A Adsorption technique and apparatus for regulating peaks in gas supply network |
| 12/14/1999 | US6001321 Exhaust gas treatment apparatus and method |
| 12/14/1999 | US6001320 Method of adsorbing hydrocarbons |
| 12/14/1999 | US6001319 Using a nitrogen oxide hollandite-type complex oxide having aluminum and tin or zinc and tin as main metal elements to absorb nitrogen oxides even at high oxygen concentration and high temperature |
| 12/14/1999 | US6001318 Process for lowering nitrogen oxide levels in combustion engine exhaust gas |
| 12/14/1999 | US6001315 Breaking chemical bond in a molecule by applying waveform between two electrodes |
| 12/14/1999 | US6001313 Stack device capable of removing dust particles, sulfur oxides and nitrogen oxides |
| 12/14/1999 | US6001154 Gas-liquid contact apparatus |
| 12/14/1999 | US6001153 Method of de-acidification in which acid gases are produced in liquid phase |
| 12/14/1999 | US6001152 Flue gas conditioning for the removal of particulates, hazardous substances, NOx, and SOx |
| 12/14/1999 | US6001151 Filter assemblies |
| 12/14/1999 | US6000432 Control valve with axial sealing |
| 12/14/1999 | US6000131 Method of making a catalytic converter for use in an internal combustion engine |
| 12/14/1999 | CA2111892C Cerium-zirconium oxidy based composition, preparation method and use thereof |
| 12/14/1999 | CA2027538C A process for the removal of nitrogen oxides from offgases from turbines |
| 12/14/1999 | CA2000727C Method and an apparatus for continuously purifying an oxygen-containing gas for combustible contaminants |
| 12/09/1999 | WO1999063288A1 Desiccant entrained polymer |
| 12/09/1999 | WO1999062697A1 Desiccant blended in a thermoplastic |
| 12/09/1999 | WO1999062635A1 Method and sheet metal pile for producing a honeycomb body with a plurality of channels through which a fluid is able to flow |
| 12/09/1999 | WO1999062630A1 Porous pellet adsorbents fabricated from nanocrystals |
| 12/09/1999 | WO1999062629A1 Structured packing and element therefor |
| 12/09/1999 | WO1999062624A1 Hydrophobic permeable composite, method for producing said composite and use of the same |
| 12/09/1999 | WO1999062621A1 Method for purifying process waste gases |
| 12/09/1999 | WO1999062620A1 Ion-conducting composite which is permeable to matter, method for producing said composite, and use of the same |
| 12/09/1999 | WO1999062619A2 Method for cleaning diesel engine exhaust gas |
| 12/09/1999 | WO1999062618A1 Stack filter assembly and methods |
| 12/09/1999 | WO1999062608A1 A method for desorption of one or more compounds from an absorbent solution and use thereof |
| 12/09/1999 | WO1999056876B1 Catalytic material having improved conversion performance |
| 12/09/1999 | WO1998051402A8 Method and device for reducing nitrogen oxides in an scr catalyst |
| 12/09/1999 | DE19925671A1 Exhaust purification unit employing NOx-SCR catalyst |
| 12/09/1999 | DE19925391A1 Honeycomb body used as catalyst carrier for purifying I.C. engine exhaust gases |