| Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025) |
|---|
| 12/28/1999 | US6007787 Countercurrent reaction vessel |
| 12/28/1999 | US6007707 Extractive distillation in an extractive distillation column using selective solvent comprising n-substituted morpholine |
| 12/23/1999 | WO1999065601A1 A mixed phase ethylation system for producing ethylbenzene |
| 12/23/1999 | WO1999065583A1 Process for recovery of olefinically unsaturated nitriles |
| 12/23/1999 | WO1999065582A1 Cascade reboiling of ethylbenzene/styrene columns |
| 12/22/1999 | EP0965577A1 Process for separation between dialkyl carbonate and alkyl carbamate |
| 12/22/1999 | EP0965373A1 Distillation apparatus with collumn and heat pump |
| 12/22/1999 | EP0964732A1 Downcomer for chemical process tower |
| 12/22/1999 | CN2354965Y Steam distiller for spirit |
| 12/22/1999 | CN2354623Y Extracting apparatus |
| 12/22/1999 | CN2354622Y High performance multi-facer jetting floatation valve |
| 12/22/1999 | CN2354621Y Energy saving steam distillator |
| 12/22/1999 | CN1047539C Tower packing with louvers |
| 12/21/1999 | US6004434 Method of recycling cleaning solvent |
| 12/21/1999 | US6004433 Purification of electronic specialty gases by vapor phase transfilling |
| 12/21/1999 | US6004403 Solvent cleaning system |
| 12/21/1999 | US6003847 Downcomer for chemical process tower |
| 12/16/1999 | WO1999064147A2 Microcomponent assembly for efficient contacting of fluid |
| 12/15/1999 | EP0963367A1 Process for preparing alkyl ethers and mixtures thereof |
| 12/15/1999 | EP0963226A1 Solvent evaporator |
| 12/15/1999 | EP0963225A1 Distillation process with reduced fouling |
| 12/15/1999 | EP0883437A4 Method and apparatus to improve vapor distribution |
| 12/15/1999 | EP0883436A4 Vapor distribution method and apparatus |
| 12/15/1999 | EP0836536A4 On-site generation of ultra-high-purity buffered-hf for semiconductor processing |
| 12/15/1999 | EP0835169A4 On-site manufacture of ultra-high-purity hydrochloric acid for semiconductor processing |
| 12/15/1999 | EP0833705A4 On-site manufacture of ultra-high-purity hydrofluoric acid for semiconductor processing |
| 12/15/1999 | CN2353429Y Tower plate with plate net cover |
| 12/15/1999 | CN2353428Y Fully-condensed type distilled water device |
| 12/14/1999 | US6002058 Feeding light reformate and hydrogen into hydrogenation zone containing catalytic distillation structure; feeding treated reformate and olefin to aromatic alkylation zone containing acidic molecular sieve or cationic exchange resin; separation |
| 12/14/1999 | US6001220 Comprising vessel having distillation column filled with structured packing material connected with vacuum source; oil to be deodorised is brought to flow under influence of gravity and contacted with deodorisation gas in counter-current |
| 12/14/1999 | CA2157165C Column baffles for suspensions with precipitating substances |
| 12/09/1999 | WO1999062629A1 Structured packing and element therefor |
| 12/09/1999 | WO1999062608A1 A method for desorption of one or more compounds from an absorbent solution and use thereof |
| 12/09/1999 | WO1999062607A1 Method and apparatus for concentrating a solute in solution with a solvent |
| 12/09/1999 | CA2334137A1 Method and apparatus for concentrating a solute in solution with a solvent |
| 12/09/1999 | CA2333457A1 Structured packing and element therefor |
| 12/08/1999 | EP0931042A4 Process for concurrent selective hydrogenation of acetylenes and 1,2 butadiene in hydrocarbon streams |
| 12/07/1999 | US5996974 Device for material and heat exchange |
| 12/02/1999 | WO1999061125A1 Hybrid distillation method and apparatus |
| 12/02/1999 | WO1999048872A3 Method for separating an azepine derivative from a mixture containing an amine and an azepine derivative |
| 12/01/1999 | EP0960640A2 Operable and efficient distillation schemes for multicomponent separations |
| 12/01/1999 | EP0960639A2 Thin-film evaporator |
| 12/01/1999 | CN2351449Y Device for steaming wine |
| 12/01/1999 | CN2351172Y U shape fast-ring flexitray |
| 12/01/1999 | CN1236656A Liquid curtain type of reflux ratio controller |
| 11/25/1999 | WO1999060028A2 Continuous volatile removal in slurry polymerization |
| 11/25/1999 | WO1999059922A1 Mechanical vapour recompression separation process |
| 11/25/1999 | DE19822686A1 Laboratory rotary evaporator with compact condenser |
| 11/24/1999 | EP0958101A2 Apparatus and method for tray valve attachment |
| 11/24/1999 | EP0958019A1 Dispersion device for a dispenser for sprinkling liquid onto substance and/or heat exchange systems |
| 11/23/1999 | US5989508 Liquid medium extraction purification method |
| 11/23/1999 | US5989502 For efficiently mixing and redistributing reactants across the horizontal cross-section of a vertical reaction vessel |
| 11/23/1999 | US5989394 Supplying contaminated condensate obtained by papermaking to stripper device having an acidifier added above the intake so that malodorous gases are efficiently driven off from stripper |
| 11/18/1999 | WO1999058449A2 Method for producing oil fractions |
| 11/17/1999 | EP0956890A1 Method for distilling a mixture of substances and device for realising the same |
| 11/17/1999 | EP0956121A1 Method and device for bringing a gas and a liquid into contact with one another |
| 11/17/1999 | EP0907629A4 Method for the preparation of dialkyl ethers |
| 11/17/1999 | EP0881925A4 Distillation of vinylaromatic monomer |
| 11/17/1999 | CN1235058A Liquid distributor for separation columns |
| 11/17/1999 | CN1046428C 化学反应器进料控制 Chemical reactor feed control |
| 11/17/1999 | CN1046426C Hiorizontal tray and column for contacting gas and liquid |
| 11/17/1999 | CN1046425C Float valve tray with wings |
| 11/17/1999 | CN1046424C Improved method and circuit for controlling electrical heater in water distiller |
| 11/16/1999 | CA2144134C Flat structural elements and a packing composed of such structural elements |
| 11/11/1999 | WO1999056848A1 Device and method for distillation |
| 11/11/1999 | DE3790412C1 Verfahren zum Weiterverarbeiten des Vakuumdestillationsrückstandes in einer Rohölraffinerie Method for further processing of the vacuum distillation residue in a crude oil refinery |
| 11/10/1999 | EP0954363A1 Fractionation trays |
| 11/10/1999 | EP0954361A1 System and method of waste water reduction and product recovery |
| 11/10/1999 | CN1234293A Catalystic rectifying reactor |
| 11/09/1999 | US5981751 Method for removal of residual organic solvents and use thereof in manufacturing pharmaceuticals |
| 11/09/1999 | US5980698 Separating petroleum product in distillation column to vapor phase and liquid fraction; feeding vapor phase into vacuum device; condensing vapor phase forming two phase mixture and separating; withdrawing gaseous phase; recycling liquid |
| 11/09/1999 | US5980695 Apparatus for vacuum distillation of solvents |
| 11/09/1999 | US5980694 Apparatus for the purification of water contaminated with oil |
| 11/09/1999 | US5980617 Gas processing contactor tower |
| 11/04/1999 | WO1999028434A3 Multifunctional and compact device for the production of distillates in general with emphasis on aguardiente production |
| 11/03/1999 | EP0757583B1 Vapor-liquid contact tray and downcomer assembly and method employing same |
| 11/02/1999 | US5977423 Mixed phase ethylation process for producing ethylbenzene |
| 11/02/1999 | US5976323 To ensure a significant reduction in cooling-water consumption. |
| 11/02/1999 | US5975504 Closely-spaced high capacity fractionation trays |
| 11/02/1999 | US5974887 Method for determining operating status of liquid phase gas-phase interaction columns |
| 10/28/1999 | WO1999054018A1 Co-current contacting separation tray design and methods for using same |
| 10/28/1999 | CA2327274A1 Co-current contacting separation tray design and methods for using same |
| 10/27/1999 | EP0952208A2 High efficiency method for obtaining an unsaponifiable fraction from black-liquor soaps or crude tall oil |
| 10/27/1999 | EP0951344A1 Method and apparatus for fluid contact |
| 10/27/1999 | CN1045898C Distributor trough junctions |
| 10/26/1999 | US5972214 Column with distributor for allowing independent injection and/or removal of fluids |
| 10/26/1999 | US5972171 De-entrainment tray and method of operation |
| 10/26/1999 | US5970742 Two-way communication from one end and one-way communication from the other end of column |
| 10/26/1999 | US5970739 Rectifying apparatus for absorption refrigerator |
| 10/21/1999 | WO1999052827A1 Device and method for desalinating salt water and method of producing carbon dioxide exhausting means |
| 10/20/1999 | EP0950124A2 Flash evaporator |
| 10/19/1999 | US5968321 Vapor compression distillation system and method |
| 10/19/1999 | US5968312 Liquid flow distribution and flow control with dual adjustable orifice plates or overlapping orifices |
| 10/14/1999 | WO1999051552A1 Apparatus for separation and purification of saturated hydrocarbon and method for separation and purification |
| 10/13/1999 | EP0949204A1 Biophysical process and plant for treatment of waste water containing sugar or alcohol |
| 10/13/1999 | EP0948983A2 Improved distillation schemes for multicomponent separations |
| 10/13/1999 | EP0948982A1 Liquid distributor for separation columns |
| 10/13/1999 | EP0948382A1 Downcomer for chemical process tower |
| 10/13/1999 | EP0948381A2 Process and apparatus for improving the efficiency of an evaporation process |
| 10/13/1999 | CN1231685A Hydroconversion process |