Patents
Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025)
08/2004
08/25/2004CN1524061A Method for producing an aqueous hydroxylamine solution devoid of salt
08/25/2004CN1524060A Method for the production of a salt-free aqueous hydroxylamine solution
08/25/2004CN1524006A Ionic liquids as selective additives for separation of close-boiling or azeotropic mixtures
08/25/2004CN1163717C Vapour-liquid contactor and low-temp. gas separator and separation method
08/25/2004CN1163483C Lactam dehydration method
08/25/2004CN1163418C Ultra-purity water producing apparatus by high temperature process
08/25/2004CN1163303C Process and catalyst for making dialkyl carbonates
08/25/2004CN1163289C Cascade reboiling of ethylbenzene/styrene columns
08/24/2004US6780288 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
08/24/2004US6780281 Strand evaporator
08/19/2004WO2004069410A2 Liquid-continuous column distillation
08/19/2004WO2004069370A1 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
08/19/2004US20040159536 Locally powered water distillation system
08/19/2004DE10305578A1 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
08/19/2004CA2512868A1 Liquid-continuous column distillation
08/18/2004EP1447122A2 Method and apparatus for reducing aerosol entrainment from a separation column
08/18/2004EP1446221A1 Device for distributing a polyphase mixture on a granular solid bed comprising a porous anti-splash nozzle element with flanges
08/18/2004EP1212127B1 Apparatus and method for removing solvent residues
08/18/2004EP1173500B1 Method and device for separating solids from polymer solutions
08/18/2004EP0975404B1 Co-current contacting separation tray design and methods for using same
08/18/2004EP0826021B1 Process for the removal of mercaptans and hydrogen sulfide from hydrocarbon streams
08/18/2004CN1522168A Evaporation method for the production of clean drinking water and high-percentage brine from untreated water containing salt
08/18/2004CN1521124A Vacuum evaporation type distilled water machine and mehtod for using the same
08/18/2004CN1162214C Distribution of gas and liquid in contact device
08/12/2004WO2004067451A1 Device for purifying water
08/12/2004WO2004067137A1 Mobile device for reprocessing hydrocarbon wastes
08/12/2004US20040156774 Method for the production of a salt-free aqueous hydroxylamine solution
08/12/2004US20040155904 Dynamic rendering of ink storkes with transparency
08/12/2004DE102004004530A1 Destillationsverfahren Distillation method
08/11/2004EP1385593A4 Process for obtaining an organic acid from an organic acid ammonium salt, an organic acid amide, or an alkylamine organic acid complex
08/11/2004EP1370335A4 Azeotropic distillation process for producing organic acids or organic acid amides
08/11/2004CN2631602Y Catalytic distillating tower component
08/10/2004US6773554 Hazardous waste disposal
08/10/2004CA2121710C Fluids mixing and distributing apparatus
08/05/2004WO2004047941A3 Distillation system
08/05/2004WO2004026767A3 Desalinization still
08/05/2004US20040152925 Continuous process for the preparation of polytrimethylene ether glycol
08/05/2004US20040151640 Reactor for gas/ liquid or gas/ liquid/solid reactions
08/05/2004US20040150123 Method for carrying out the distillation or reactive distillation of a mixture containing at least one toxic constituent
08/05/2004US20040149564 Recovering high purity, concentrates; distillation; low cost
08/05/2004US20040149395 Process and arrangement for separating oil from oil containing materials
08/04/2004EP1443025A1 Installation used to obtain salt-free sea water at a low temperature with continuous operation and enthalpy recovery
08/04/2004EP1441836A1 Central carbon dioxide purifier
08/04/2004EP1289629B1 Microfiltration using activated carbon
08/04/2004CN2629794Y Efficient multifunctional liquid primary distributor or demister
08/04/2004CN1518474A Device and method for refining solid material
08/04/2004CN1517303A Combined process for treating sewage containing ammonia and sulfuric acid
08/03/2004US6770254 Purification of group IVb metal halides
08/03/2004US6770173 Column partition
08/03/2004US6769672 Two-phase distribution apparatus and process
08/03/2004CA2187428C Process and device for recovering amines and use of residues obtainable thereby
07/2004
07/29/2004WO2004063137A1 Method for the rectificative separation of fluids containing (meth)acrylic monomers
07/29/2004WO2004062789A1 Support beam for easily polymerizable substance treatment device and easily polymerizable substance treatment device
07/29/2004US20040146451 Placing diamond into pressure-transmitting medium; consolidation into a pill; upgrading discolored diamonds; retention of optical clarity
07/28/2004EP1440964A1 Process for production of (meth)acrylic compounds and method of distillation
07/28/2004EP1440138A1 Method for fractionating grease trap waste and uses of fractions therefrom
07/28/2004EP1214130B1 Apparatus and methods for removing solvent residues
07/28/2004CN2628117Y Multistage molecular distillation equipment
07/28/2004CN1516611A Azeotropic distillation of cyclic esters of hdyroxy organic acids
07/28/2004CN1515529A All fluoride purifying method
07/28/2004CN1515527A All fluoride purifying method
07/28/2004CN1515521A Method for preparing extract of peanut leaf
07/28/2004CN1515488A Perfluorinate product purifying method
07/28/2004CN1515339A Liquid preparation method and equipment
07/27/2004US6767517 Reacting a dialkyl carbonate and an aromatic alcohol
07/27/2004US6767191 Method of compressing gaseous hydrocarbon-containing medium
07/27/2004CA2112639C Process for simultaneously dehydrating and/or fractionating an oil deposit effluent
07/22/2004WO2004060812A1 Diffusion driven desalination apparatus and process
07/22/2004WO2004060583A2 Coned sieve-grid tray
07/22/2004WO2004060524A1 Dispersion device
07/22/2004WO2004060523A1 Column for preliminary fractionization
07/22/2004WO2004060522A1 Sieve tray
07/22/2004WO2004060382A1 A method and device for preparing liquid
07/22/2004US20040141892 For hydrocarbon processing
07/22/2004US20040140270 Liquid purification method and apparatus
07/22/2004DE19815336B4 Feinbrenner für eine Destillations-/Rektifikationseinrichtung Fine burner for a distillation / rectification device
07/21/2004EP1438544A1 Distributor for micro-quantities of liquid
07/21/2004EP1058575B1 Method and apparatus for removing water from aqueous fluid mixture
07/21/2004CN2626571Y Refluence ratio dispenser of detachable precise refluence ratio controlling device
07/21/2004CN1513578A Annular grid type tower air inlet device
07/21/2004CN1158239C Method for separation and purification of aqueous mixture consisting of main components acetic acid and formic acid
07/21/2004CN1158126C Process for simultaneous treatment and fractionation of light naphtha hydrocarbon streams
07/21/2004CN1158125C 反应性蒸馏 Reactive distillation
07/21/2004CN1158124C Liquid distributor for packed tower
07/20/2004US6765110 Process for the simultaneous coproduction and purification of ethyl acetate and isopropyl acetate
07/20/2004US6765084 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.
07/15/2004WO2004058383A2 Spray fitting for a tower pertaining to an installation for treating a gas flow with a liquid
07/15/2004WO2004035168A3 Method and system for desalinating water with solar energy
07/15/2004WO2003051946A3 Method for removal of impurities in cyclic siloxanes useful as precursors for low dielectric constant thin films
07/15/2004US20040134836 fixed/fluidized catalytic beds
07/15/2004US20040134419 Device and process for refining solid material
07/15/2004US20040134135 Fixing parts and seals for partition elements of a multi-section partition
07/14/2004EP1437174A2 Continuous slurry polymerisation volatile removal
07/14/2004EP1436241A1 Low pressure separation of dimethyl ether from an olefin stream
07/14/2004EP1034237B1 method for reclaiming useful oil products from waste oil including hydrogen injection
07/14/2004CN2625005Y Hypergravity machine for treating a great deal of gas
07/14/2004CN1512973A process for improved yields of high molecular weight olefins form lower molecular weight olefines
07/14/2004CN1512908A Two stage flash for hydrocarbon removal
07/14/2004CN1157385C Process for preparation of melamine
07/14/2004CN1157244C Catalytic reaction distillation equipment