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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08/25/2004 | CN1524061A Method for producing an aqueous hydroxylamine solution devoid of salt |
08/25/2004 | CN1524060A Method for the production of a salt-free aqueous hydroxylamine solution |
08/25/2004 | CN1524006A Ionic liquids as selective additives for separation of close-boiling or azeotropic mixtures |
08/25/2004 | CN1163717C Vapour-liquid contactor and low-temp. gas separator and separation method |
08/25/2004 | CN1163483C Lactam dehydration method |
08/25/2004 | CN1163418C Ultra-purity water producing apparatus by high temperature process |
08/25/2004 | CN1163303C Process and catalyst for making dialkyl carbonates |
08/25/2004 | CN1163289C Cascade reboiling of ethylbenzene/styrene columns |
08/24/2004 | US6780288 Distilling diluted solution in distillation column to obtain low boiling vapor fraction at top and high boiling liquid fraction at bottom, transferring liquid to falling film evaporator through distributor, cooling concentrated solution |
08/24/2004 | US6780281 Strand evaporator |
08/19/2004 | WO2004069410A2 Liquid-continuous column distillation |
08/19/2004 | WO2004069370A1 Liquid-sealing device, liquid sealing/depressurizing device, evaporating device using the liquid-sealing device, condensing device, non-condensed gas-removing device, evaporating/condensing device, thermal energy source-separating device, cold water-producing device, desalinating device, and generating device |
08/19/2004 | US20040159536 Locally powered water distillation system |
08/19/2004 | DE10305578A1 Verfahren und Vorrichtung zur Reduzierung des aerosolbedingten Austrages aus einer Trennkolonne A method and apparatus for reducing the aerosol-related discharge from a separation column |
08/19/2004 | CA2512868A1 Liquid-continuous column distillation |
08/18/2004 | EP1447122A2 Method and apparatus for reducing aerosol entrainment from a separation column |
08/18/2004 | EP1446221A1 Device for distributing a polyphase mixture on a granular solid bed comprising a porous anti-splash nozzle element with flanges |
08/18/2004 | EP1212127B1 Apparatus and method for removing solvent residues |
08/18/2004 | EP1173500B1 Method and device for separating solids from polymer solutions |
08/18/2004 | EP0975404B1 Co-current contacting separation tray design and methods for using same |
08/18/2004 | EP0826021B1 Process for the removal of mercaptans and hydrogen sulfide from hydrocarbon streams |
08/18/2004 | CN1522168A Evaporation method for the production of clean drinking water and high-percentage brine from untreated water containing salt |
08/18/2004 | CN1521124A Vacuum evaporation type distilled water machine and mehtod for using the same |
08/18/2004 | CN1162214C Distribution of gas and liquid in contact device |
08/12/2004 | WO2004067451A1 Device for purifying water |
08/12/2004 | WO2004067137A1 Mobile device for reprocessing hydrocarbon wastes |
08/12/2004 | US20040156774 Method for the production of a salt-free aqueous hydroxylamine solution |
08/12/2004 | US20040155904 Dynamic rendering of ink storkes with transparency |
08/12/2004 | DE102004004530A1 Destillationsverfahren Distillation method |
08/11/2004 | EP1385593A4 Process for obtaining an organic acid from an organic acid ammonium salt, an organic acid amide, or an alkylamine organic acid complex |
08/11/2004 | EP1370335A4 Azeotropic distillation process for producing organic acids or organic acid amides |
08/11/2004 | CN2631602Y Catalytic distillating tower component |
08/10/2004 | US6773554 Hazardous waste disposal |
08/10/2004 | CA2121710C Fluids mixing and distributing apparatus |
08/05/2004 | WO2004047941A3 Distillation system |
08/05/2004 | WO2004026767A3 Desalinization still |
08/05/2004 | US20040152925 Continuous process for the preparation of polytrimethylene ether glycol |
08/05/2004 | US20040151640 Reactor for gas/ liquid or gas/ liquid/solid reactions |
08/05/2004 | US20040150123 Method for carrying out the distillation or reactive distillation of a mixture containing at least one toxic constituent |
08/05/2004 | US20040149564 Recovering high purity, concentrates; distillation; low cost |
08/05/2004 | US20040149395 Process and arrangement for separating oil from oil containing materials |
08/04/2004 | EP1443025A1 Installation used to obtain salt-free sea water at a low temperature with continuous operation and enthalpy recovery |
08/04/2004 | EP1441836A1 Central carbon dioxide purifier |
08/04/2004 | EP1289629B1 Microfiltration using activated carbon |
08/04/2004 | CN2629794Y Efficient multifunctional liquid primary distributor or demister |
08/04/2004 | CN1518474A Device and method for refining solid material |
08/04/2004 | CN1517303A Combined process for treating sewage containing ammonia and sulfuric acid |
08/03/2004 | US6770254 Purification of group IVb metal halides |
08/03/2004 | US6770173 Column partition |
08/03/2004 | US6769672 Two-phase distribution apparatus and process |
08/03/2004 | CA2187428C Process and device for recovering amines and use of residues obtainable thereby |
07/29/2004 | WO2004063137A1 Method for the rectificative separation of fluids containing (meth)acrylic monomers |
07/29/2004 | WO2004062789A1 Support beam for easily polymerizable substance treatment device and easily polymerizable substance treatment device |
07/29/2004 | US20040146451 Placing diamond into pressure-transmitting medium; consolidation into a pill; upgrading discolored diamonds; retention of optical clarity |
07/28/2004 | EP1440964A1 Process for production of (meth)acrylic compounds and method of distillation |
07/28/2004 | EP1440138A1 Method for fractionating grease trap waste and uses of fractions therefrom |
07/28/2004 | EP1214130B1 Apparatus and methods for removing solvent residues |
07/28/2004 | CN2628117Y Multistage molecular distillation equipment |
07/28/2004 | CN1516611A Azeotropic distillation of cyclic esters of hdyroxy organic acids |
07/28/2004 | CN1515529A All fluoride purifying method |
07/28/2004 | CN1515527A All fluoride purifying method |
07/28/2004 | CN1515521A Method for preparing extract of peanut leaf |
07/28/2004 | CN1515488A Perfluorinate product purifying method |
07/28/2004 | CN1515339A Liquid preparation method and equipment |
07/27/2004 | US6767517 Reacting a dialkyl carbonate and an aromatic alcohol |
07/27/2004 | US6767191 Method of compressing gaseous hydrocarbon-containing medium |
07/27/2004 | CA2112639C Process for simultaneously dehydrating and/or fractionating an oil deposit effluent |
07/22/2004 | WO2004060812A1 Diffusion driven desalination apparatus and process |
07/22/2004 | WO2004060583A2 Coned sieve-grid tray |
07/22/2004 | WO2004060524A1 Dispersion device |
07/22/2004 | WO2004060523A1 Column for preliminary fractionization |
07/22/2004 | WO2004060522A1 Sieve tray |
07/22/2004 | WO2004060382A1 A method and device for preparing liquid |
07/22/2004 | US20040141892 For hydrocarbon processing |
07/22/2004 | US20040140270 Liquid purification method and apparatus |
07/22/2004 | DE19815336B4 Feinbrenner für eine Destillations-/Rektifikationseinrichtung Fine burner for a distillation / rectification device |
07/21/2004 | EP1438544A1 Distributor for micro-quantities of liquid |
07/21/2004 | EP1058575B1 Method and apparatus for removing water from aqueous fluid mixture |
07/21/2004 | CN2626571Y Refluence ratio dispenser of detachable precise refluence ratio controlling device |
07/21/2004 | CN1513578A Annular grid type tower air inlet device |
07/21/2004 | CN1158239C Method for separation and purification of aqueous mixture consisting of main components acetic acid and formic acid |
07/21/2004 | CN1158126C Process for simultaneous treatment and fractionation of light naphtha hydrocarbon streams |
07/21/2004 | CN1158125C 反应性蒸馏 Reactive distillation |
07/21/2004 | CN1158124C Liquid distributor for packed tower |
07/20/2004 | US6765110 Process for the simultaneous coproduction and purification of ethyl acetate and isopropyl acetate |
07/20/2004 | US6765084 After the devolatilization, the resin should have a solvent concentration of 0.01 to 30 weight % and a water content of not more than 200 ppm, and the resin should contain no antistatic agent. |
07/15/2004 | WO2004058383A2 Spray fitting for a tower pertaining to an installation for treating a gas flow with a liquid |
07/15/2004 | WO2004035168A3 Method and system for desalinating water with solar energy |
07/15/2004 | WO2003051946A3 Method for removal of impurities in cyclic siloxanes useful as precursors for low dielectric constant thin films |
07/15/2004 | US20040134836 fixed/fluidized catalytic beds |
07/15/2004 | US20040134419 Device and process for refining solid material |
07/15/2004 | US20040134135 Fixing parts and seals for partition elements of a multi-section partition |
07/14/2004 | EP1437174A2 Continuous slurry polymerisation volatile removal |
07/14/2004 | EP1436241A1 Low pressure separation of dimethyl ether from an olefin stream |
07/14/2004 | EP1034237B1 method for reclaiming useful oil products from waste oil including hydrogen injection |
07/14/2004 | CN2625005Y Hypergravity machine for treating a great deal of gas |
07/14/2004 | CN1512973A process for improved yields of high molecular weight olefins form lower molecular weight olefines |
07/14/2004 | CN1512908A Two stage flash for hydrocarbon removal |
07/14/2004 | CN1157385C Process for preparation of melamine |
07/14/2004 | CN1157244C Catalytic reaction distillation equipment |