| Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025) |
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| 05/04/2006 | WO2006030279A3 Apparatus and process for recovery of metal values from leach or waste slurries |
| 05/04/2006 | WO2005123221A3 Decontamination of process streams |
| 05/04/2006 | WO2005078371A3 Vapor-compression evaporation system and method |
| 05/04/2006 | US20060090995 System and method for carrying out a discontinuous rectification or reaction |
| 05/04/2006 | US20060090994 Method for purifying caprolactam |
| 05/03/2006 | EP1651323A1 Fluid stream feed device for mass transfer column |
| 05/03/2006 | CN1765456A Supercritical fractionation method and apparatus thereof |
| 05/03/2006 | CN1765455A Separation method of hydrocarbon reaction oil gas |
| 05/02/2006 | US7038081 Catalytically oxidizing propylene and/or propane in a gaseous phase to generate reaction product, absorbing the reaction product in a solvent, and purifying acrylic acid from an acrylic acid aqueous solution containing solvent |
| 05/02/2006 | US7038008 Polyisobutene, unconverted isobutene and diluent are heated into flash container; separating liquid and vapor phases |
| 05/02/2006 | US7037412 Distilling in a distillation column a liquid, formed by adding to an odorous components-containing liquid having a N-vinyl-2-pyrrolidone purity lower than 90 wt.%, a compound with lower boiling point than N-vinyl-2-pyrrolidone |
| 05/02/2006 | US7037411 apparatus has strainers installed on upstream side of pump for extracting a liquid of a vacuum distillation column which distills and refines easily polymerizable substance; switching strainers can be performed with no trouble during operation of the column |
| 05/02/2006 | US7037410 Process and apparatus for destructive distillation of rubber |
| 04/27/2006 | WO2006043491A1 Process for producing high-purity diaryl carbonate on commerical scale |
| 04/27/2006 | WO2005049167A3 Method and apparatus for facilitating more uniform vapor distribution in mass transfer and heat exchange columns |
| 04/27/2006 | WO2004062789A9 Support beam for easily polymerizable substance treatment device and easily polymerizable substance treatment device |
| 04/27/2006 | US20060086602 Purification of N-(2-hydroxyethyl)-2-pyrrolidone |
| 04/27/2006 | US20060086601 Method for producing drinking water having a reduced cluster width and being capable of emitting FIR energy by using a solution derived by chemical treatment of a charge generating material |
| 04/26/2006 | EP1649717A1 Systems and methods for distributed utilities |
| 04/26/2006 | EP1649338A2 Multi-phase separation system |
| 04/26/2006 | EP1534630B1 Method for the production of an aqueous hydroxylamine solution |
| 04/26/2006 | EP1326945B1 A process and apparatus for the fractional distillation of crude oil |
| 04/26/2006 | CN2774632Y Full closed fine chemical synthetic and separating device |
| 04/26/2006 | CN1762568A Novel catalytic reaction and separation device |
| 04/26/2006 | CN1762525A Rectification tower automatic control and optimization method |
| 04/26/2006 | CN1762524A Method for separating and utilizing MeTHPA production waste liquid |
| 04/26/2006 | CN1762523A Method for separating and utilizing MeTHPA production waste liquid |
| 04/26/2006 | CN1762522A Separation method of MeTHPA production waste liquid |
| 04/26/2006 | CN1762521A Highly efficient distilling filled tower |
| 04/26/2006 | CN1762520A Float valve fixing column plate |
| 04/26/2006 | CN1253242C Reactor and application thereof |
| 04/26/2006 | CN1253230C Azeotropic distillation of cyclic esters of hdyroxy organic acids |
| 04/25/2006 | US7034090 Continuous slurry polymerization volatile removal |
| 04/25/2006 | US7032893 Gas-liquid contact apparatus, gas-liquid contact method, liquid deodorizing method, aromatic component producing method, and food and drink |
| 04/20/2006 | WO2006041075A1 Process for production of high-purity diaryl carbonates |
| 04/20/2006 | WO2006017654A3 Azeotrope-like compositions of difluoromethane |
| 04/20/2006 | US20060081455 Solar water desalination/purification device |
| 04/20/2006 | DE10083141B4 Verfahren und Vorrichtung zum Stoff- und/oder Engergieaustausch in einer Rieselkolonne Method and apparatus for mass and / or Engergieaustausch in a downward-flow |
| 04/19/2006 | EP1647318A2 Dividing wall column |
| 04/19/2006 | EP1646603A1 Thermal separating method for separating at least one mass flux containing enriched (meth)acrylic monomers |
| 04/19/2006 | EP1646444A1 Valve plate for distributing a gaseous and liquid phases |
| 04/19/2006 | EP1441836A4 Central carbon dioxide purifier |
| 04/19/2006 | CN2772592Y Film forming concentrator with negative pressure |
| 04/19/2006 | CN1761735A Improved distillation sequence for the purification and recovery of hydrocarbons |
| 04/19/2006 | CN1761506A Low capital apparatus and method of distributed distillation in ethylene recovery |
| 04/19/2006 | CN1252011C All fluoride purifying method |
| 04/18/2006 | US7030277 carrying out distillation using divided wall column, for example etherification of C5 isoolefins with methanol to produce corresponding tertiary ether, wherein distillation is used in divided wall catalytic distillation reactor to simultaneously separate ether and react all of methanol; efficiency |
| 04/18/2006 | US7029638 Device for separate injection and homogeneous distribution of two fluids |
| 04/18/2006 | US7029557 Method for producing an aqueous hydroxylamine solution devoid of salt |
| 04/18/2006 | US7029556 Method for purifying (meth)acrylic monomers by distillation |
| 04/18/2006 | US7028995 Vapor-liquid contact trays and method employing same |
| 04/13/2006 | WO2005008401A3 Multi-phase separation system |
| 04/13/2006 | US20060076228 Method for eliminating mercury from solution contaminated by the same |
| 04/13/2006 | US20060076227 Purification process |
| 04/13/2006 | US20060076226 Machine for desalinating salt water, brine water and impure water and the process for making same and a plant for making same |
| 04/13/2006 | US20060075774 Vacuum environment obtained through a drain-to-vacuum process; degassed solution flows through a liquid-gas or a liquid-solid interface to evaporate, cool, and freeze the degassed solution; constant temperature distillation, solution transfer, and recycling of hot circulating solution |
| 04/13/2006 | DE10256651A1 Vacuum distillation method, for recovering components from solutions, including mixing of solution in evaporation vessel using solvent-free evaporation gas supplied via purging lance |
| 04/12/2006 | EP1645571A1 Method for desolvation of polymer solution |
| 04/12/2006 | EP1461296A4 Recycle for supercritical carbon dioxide |
| 04/12/2006 | CN2770744Y Tooth-edge float valve |
| 04/12/2006 | CN2770743Y Distillation generating set |
| 04/12/2006 | CN1758942A Distillative method for separating hexamethylenediamine from a mixture comprising hexamethylenediamine, -aminocapronitrile and tetrahydroazepine |
| 04/12/2006 | CN1250537C Method for treating product stream containing vitamin E acetate |
| 04/12/2006 | CN1250311C Fluid dividing mechanism for exchanging volume |
| 04/11/2006 | US7026517 Process and apparatus for catalytic distillations |
| 04/11/2006 | US7025808 Reduction of the aerosol-related discharge from a separation column and apparatus therefor |
| 04/06/2006 | WO2006036168A1 Extraction process for removal of impurities from an oxidizer purge stream in the synthesis of carboxylic acid |
| 04/06/2006 | WO2006035642A1 Process for producing aromatic carbonate on commercial scale |
| 04/06/2006 | US20060070867 Method for concentrating water-soluble organic material |
| 04/06/2006 | DE4306235B4 Packungsabschnitt für eine Wärme- und Materialaustauschkolonne und Destillationskolone mit einem solchen Abschnitt Packing section for heat and material exchange column and Destillationskolone with such section |
| 04/06/2006 | CA2579595A1 Extraction process for removal of impurities from an oxidizer purge stream in the synthesis of carboxylic acid |
| 04/05/2006 | EP1641836A1 Plate column for the separation of monomeric vinyl chloride (vcm) from polyvinyl chloride (pvc) in the suspension process |
| 04/05/2006 | EP1641733A2 Method and apparatus for production of alkyl aryl ether and diaryl carbonate |
| 04/05/2006 | EP1641732A1 Process for the preparation of phenolic compounds, for separating phenol from cleavage product mixtures, and an apparatus |
| 04/05/2006 | EP1590058A4 Liquid-continuous column distillation |
| 04/05/2006 | EP1565241B1 Method and device for hydrolytically obtaining a carboxylic acid and alcohol from the corresponding carboxylic ester |
| 04/05/2006 | EP1521722B1 Method for removing water from a mixture containing water and zinc chloride |
| 04/05/2006 | EP1514848B1 Process for the recovery of fluorine-containing emulsifiers |
| 04/05/2006 | EP1351909B1 Method for the distillative processing of 1,6-hexandiol, 1,5-pentandiol and caprolactone |
| 04/05/2006 | EP1290384B1 Integrated deaerator and condenser |
| 04/05/2006 | CN2768867Y Multi-layer deflecting ultra gravity rotary bed apparatus |
| 04/05/2006 | CN2768866Y Plate type tower |
| 04/05/2006 | CN1754962A Solvent for extraction of acetic acid from aqueous streams and anaerobic microbial fermentation process for producing acetic acid |
| 04/05/2006 | CN1754605A Column plate with porous surface |
| 04/05/2006 | CN1249202C Apparatus and process for vaporizing heavy hydrocarbon feedstock with steam |
| 04/05/2006 | CN1249047C Process for separation of aqueous mixture of trioxane and formaldehyde and corresponding applications |
| 04/05/2006 | CN1248759C Fixing parts and seals for partition element of multi-section partition |
| 04/05/2006 | CN1248758C Reaction distilling apparatus |
| 04/04/2006 | US7022658 Azeotrope-like compositions containing hexafluoropropylene dimer and use thereof |
| 04/04/2006 | US7022220 for ethylenically unsaturated compounds |
| 04/04/2006 | US7021608 Distributor for micro-quantities of liquid |
| 03/30/2006 | WO2006033291A1 Industrial separator for by-product alcohols |
| 03/30/2006 | WO2006033288A1 Process for industrial separation of by-product alcohols |
| 03/30/2006 | WO2006032139A1 Systems and methods for low-temperature gas separation |
| 03/30/2006 | WO2006017656A3 Azeotrope-like compositions of 1,1,1,3,3-pentachloropropane and carbon tetrachloride |
| 03/30/2006 | DE102005040508A1 Krypton and/or xenon production by low temperature air decomposition involves drawing off a krypton-xenon concentrate from a second condenser-evaporator |
| 03/30/2006 | DE102004046342A1 Removal of unwanted components (e.g. heavy hydrocarbon) from hydrocarbon-rich gas stream comprises adding heavy hydrocarbon-containing fraction to the gas stream; separating mixed fraction; and liquefying gas fraction |
| 03/29/2006 | EP1638917A2 Method and apparatus for waste stream recovery |
| 03/29/2006 | CN2766927Y Overflow-assisting block-resisting type column tray |
| 03/29/2006 | CN1247743C Method and system for continuously preparing gasoline, kerosene and diesel oil from waste plastics |