| 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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| 07/13/2004 | US6761802 Utilizes a combination of vacuum pressure, solar energy, mechanical spreading and agitation apparatus, an evaporation plate, and heat exchangers for the efficient distillation of fresh water from salt water. |
| 07/13/2004 | US6761797 Apparatus for carrying out mass transfer processes |
| 07/08/2004 | WO2004056760A1 Method for producing (cyclo)aliphatic isocyanates |
| 07/08/2004 | WO2004056707A1 Desalination device, desalination method, and floatable porous carrier |
| 07/08/2004 | WO2004056442A1 Method and device for producing a pure liquid from a crude liquid |
| 07/08/2004 | US20040133058 Ionic liquids as selective additives for separation of close-boiling or azeotropic mixtures |
| 07/08/2004 | US20040130041 Vapor-liquid contact tray and method employing same |
| 07/08/2004 | US20040129723 Water dispenser |
| 07/08/2004 | US20040129336 Method and apparatus for gradient generation |
| 07/08/2004 | US20040129021 Rectificative separation of fluids comprising (meth) acrylic monomers |
| 07/08/2004 | DE4226177B4 Flüssigkeitsverteiler für eine Gegenstromkolonne Liquid distributor for a countercurrent column |
| 07/07/2004 | CN1511129A Purification of difluoromethane |
| 07/07/2004 | CN1509793A Distillator and distillating method |
| 07/07/2004 | CN1509792A Distilling still |
| 07/07/2004 | CN1156458C Method for preparing melamine |
| 07/06/2004 | US6758946 Recycling hydroxylamine-containing stripper solutions |
| 07/06/2004 | US6758940 Apparatus and method for controlling boiling conditions of hot phosphoric acid solution with pressure adjustment |
| 07/06/2004 | US6758463 Liquid distributor internal baffling |
| 07/01/2004 | DE10260094A1 Verfahren zur Herstellung von (cyclo)aliphatischen Isocyanaten Process for preparing (cyclo) aliphatic isocyanates |
| 06/30/2004 | EP1432811A1 Cell separation matrix |
| 06/30/2004 | EP1432647A2 Point of use water purification method and apparatus |
| 06/30/2004 | EP1324811B1 Method for carrying out the distillative separation of c 5+ cuts |
| 06/30/2004 | EP1080116B1 Continuous volatile removal in slurry polymerization |
| 06/30/2004 | CN2621786Y Gas spiral fractionating column |
| 06/30/2004 | CN1509207A Distillation or reaction distillation comprising at least one toxic constituent |
| 06/30/2004 | CN1509198A Fixing parts and seals for partition element of multi-section partition |
| 06/30/2004 | CN1509197A Process for obtaining organic and from organic acid ammonium salt, an organic acid amide, or alkylamine organic acid complex |
| 06/30/2004 | CN1508106A Negative pressure adiabatic flash tank and adiabatic flash vaporizaiton method for tar phenylethylene recovery |
| 06/30/2004 | CN1507934A Efficient large-flux fixed valve tray |
| 06/30/2004 | CN1507933A Composite porous metal catalyst distillation construction member and preparing method thereof |
| 06/30/2004 | CN1155430C Guide float valve tray |
| 06/30/2004 | CN1155429C Normal pressure pregasifying multi-section feeding process of crude oil distiller |
| 06/29/2004 | US6755943 Perforated tray without downcomer, perforated tray tower without downcomer |
| 06/29/2004 | US6755043 Condenser with integrated deaerator |
| 06/29/2004 | CA2103493C Regeneration process of a liquid dessicant |
| 06/24/2004 | WO2004052808A2 Separation of tertiary butyl alcohol from diisobutylene |
| 06/24/2004 | WO2004052492A1 Method and device for extractive distillation |
| 06/24/2004 | WO2004052491A1 Improved distillation systems |
| 06/24/2004 | WO2004033065A8 Two-phase distribution apparatus and process |
| 06/24/2004 | WO2004026426A3 Liquid distributor for vacuum distillation |
| 06/24/2004 | WO2004005818B1 Improved split flow process and apparatus |
| 06/24/2004 | US20040118672 Process for the purification of toluenediisocyanate incorporating a dividing-wall distillation column for the final purification |
| 06/24/2004 | DE10258160A1 Separation of hydrocarbon mixtures by extractive distillation with solvent comprises carrying out the process in partition wall column having partition wall that extends to the upper end of the column with lower common region |
| 06/24/2004 | DE10257769A1 Distilling or separating moisture from feed containing moisture involves using distillate from condenser as ring liquid for liquid ring vacuum pump |
| 06/24/2004 | DE10256316A1 Polycarbonat-Formmassen Polycarbonate molding compositions |
| 06/23/2004 | EP1430164A1 Method of removing iron oxide deposits from the surface of titanium components |
| 06/23/2004 | EP1429857A1 Method for controlling the process of separating mixtures containing several substances |
| 06/23/2004 | CN1506314A Method and apparatus for separating solution and desalting sea water |
| 06/23/2004 | CN1506144A Super bubble-cap tower tray |
| 06/22/2004 | US6753170 Generation of acetic acid; obtain acetogenic bacteria, remove carbon dioxide from fermentation broth, incubate broth with solvent, continuously distill acetic acid from solvent |
| 06/22/2004 | US6752387 Stable control over range of flow rates; heated valve for total gasification |
| 06/22/2004 | CA2281610C Method and apparatus utilizing hydrocarbon pollutants |
| 06/22/2004 | CA2168720C Process for desulfurizing catalytically cracked gasoline |
| 06/17/2004 | WO2004050755A1 Polycarbonate molding compounds |
| 06/17/2004 | WO2004050206A1 Contaminated solvent recycling system |
| 06/17/2004 | US20040115123 Process for producing nanometer grade powders |
| 06/17/2004 | US20040113289 Carburetor, various types of devices using the carburetor, and method of vaporization |
| 06/17/2004 | US20040112066 High pressure CO2 purification and supply system |
| 06/17/2004 | DE10255648A1 Verfahren und Vorrichtung zur hydrolytischen Gewinnung einer Carbonsäure und Alkohol aus dem entsprechenden Carbonsäureester Method and apparatus for the hydrolytic recovery of a carboxylic acid and alcohol from the corresponding carboxylic acid ester |
| 06/17/2004 | CA2507866A1 Contaminated solvent recycling system |
| 06/16/2004 | EP0882480B1 Facility for distilling a liquid product |
| 06/16/2004 | CN1505540A Reactor for gas/liquid or gas/liquid/solid reactions |
| 06/16/2004 | CN1504452A Method for the esterification of a fatty acid |
| 06/16/2004 | CN1504419A Hydrofluoric acid wastewater treatment method and device |
| 06/16/2004 | CN1504253A High capacity purification of thermally unstable compounds |
| 06/15/2004 | US6751527 Heat and material balance method of process control for petrochemical plants and oil refineries |
| 06/15/2004 | US6749182 Such as a cryogenic distillation column; liquid leakage is ameliorated by a collector tray divided into three overlapping levels including a center sump, deck plates and riser hats. |
| 06/10/2004 | WO2004048625A1 Method for eliminating mercury from solutions contaminated by the same |
| 06/10/2004 | WO2004048359A1 Method for producing an aliphatic dialdehyde monoacetal |
| 06/10/2004 | WO2004048308A2 Method and device for hydrolytically obtaining a carboxylic acid and alcohol from the corresponding carboxylic ester |
| 06/10/2004 | WO2004048272A1 Enhancing water evaporation |
| 06/10/2004 | WO2004047967A1 Configurations and methods for ribbed downcomer wall |
| 06/10/2004 | WO2004047966A1 Bolted collector for vapor liquid contacting vessel |
| 06/10/2004 | WO2004047944A1 Vapor-liquid contact tray manway |
| 06/10/2004 | WO2004047941A2 Distillation system |
| 06/10/2004 | US20040110081 Polymerizing colorant and a polymerizable monomer:reducing the remaining polymerizable monomer from the colored polymer particles, removing the colored polymer particles from the dispersion after treating by stripping |
| 06/10/2004 | US20040108196 System for distilling liquor and devices for the system |
| 06/10/2004 | US20040107682 Gas-liquid separator |
| 06/10/2004 | US20040107597 Process and device for evaporating liquids, for example black liquor from cellulose cooking, which contain solid and dissolved substances |
| 06/10/2004 | CA2507160A1 Vapor-liquid contact tray manway |
| 06/10/2004 | CA2506794A1 Method for producing an aliphatic dialdehyde monoacetal |
| 06/09/2004 | EP1426086A1 High capacity purification of thermally unstable compounds |
| 06/09/2004 | EP1425076A1 Azeotrope-like compositions of 1,1,1,3,3-pentafluorobutane and hydrogen fluoride |
| 06/09/2004 | EP1165467B1 Impurities separation by distillation |
| 06/09/2004 | DE10255647A1 Verfahren zur Gewinnung eines aliphatischen Dialdehyd-Monoacetals A process for recovering an aliphatic dialdehyde monoacetal |
| 06/09/2004 | DE10255239A1 Verfahren zur Entfernung von Quecksilber aus mit Quecksilber verunreinigten Lösungen A process for removal of mercury from solutions contaminated with mercury |
| 06/08/2004 | US6746003 Gas-liquid contacting apparatus |
| 06/03/2004 | WO2004045744A1 Method for separating a krypton-xenon concentrate and a device for carrying out said method |
| 06/03/2004 | WO2004002926A3 Purification of n,n-dimethylacetamide |
| 06/03/2004 | US20040106813 Method for the esterification of a fatty acid |
| 06/03/2004 | US20040106753 C-nitrosoaniline compounds and their blends as polymerization inhibitors |
| 06/03/2004 | US20040106746 Method for continuous production of polyesters or copolyesters |
| 06/03/2004 | US20040106731 Stress resistance; noncracking; mixture with graft polymer |
| 06/03/2004 | US20040104493 Vapor/liquid contacting cyclone with secondary vanes |
| 06/03/2004 | US20040104154 Preventing water steam leakage around a shaft in a cavity, by inserting a shaft through a hollow tube of greater diameter in a liquid, liquid entering the tube until pressure reaching equilibrium; water purification |
| 06/03/2004 | US20040104146 C-nitrosoaniline compounds and their blends as polymerization inhibitors |
| 06/03/2004 | US20040104108 To purify acrylic acid |
| 06/03/2004 | US20040104107 Hydrofluoric acid wastewater treatment method and device |
| 06/03/2004 | US20040103686 Device in a process engineering column |
| 06/03/2004 | CA2413438A1 Constant recycler |