| 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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| 03/12/2003 | EP1290384A2 Integrated deaerator and condenser |
| 03/12/2003 | EP1289629A1 Microfiltration using activated carbon |
| 03/12/2003 | EP1289619A2 Increased efficiency fractional distillation tray and process |
| 03/12/2003 | EP1017630B1 Apparatus for obtaining pure water from crude water |
| 03/12/2003 | CN1402714A Process for preparation of melamine |
| 03/12/2003 | CN1402648A Strand evaporator |
| 03/12/2003 | CN1402647A Vapor-liquid contact apparatus |
| 03/12/2003 | CN1401439A Surface finishing layer capable of attaching to metal and nonmetal and preparing process thereof |
| 03/12/2003 | CN1103040C Atmospheric gas separation method |
| 03/06/2003 | WO2003019097A1 Distributor for micro-quantities of liquid |
| 03/06/2003 | WO2003018218A1 System for recovering and recycling solvent from a solvent-based cleaning process |
| 03/06/2003 | WO2003018162A1 Distilling equipment for lase-of-polymerization compound |
| 03/06/2003 | WO2003018161A1 Multiple-chamber device for fractionated evaporation and separation of a solution |
| 03/06/2003 | WO2001087468A8 Microfiltration using activated carbon |
| 03/06/2003 | US20030045750 Treating with sulfuric acid to form an aqueous phase and an organic phase, separation, oxidizing to form dicarboxylic acid, then esterification, purifying by distillation; waste recycling |
| 03/06/2003 | US20030045736 Method for recycling organometallic compound for MOCVD |
| 03/06/2003 | US20030044340 Separation mixture containing slvent and etching impurities |
| 03/05/2003 | EP1286963A1 Method for separating ammonia from solutions containing caprolactam and ammonia |
| 03/05/2003 | CN1400918A Vertical extending liquid/liquid contacting column |
| 03/05/2003 | CN1400917A Gas-liquid tray |
| 03/05/2003 | CN1400916A 气液接触塔盘 Gas-liquid contacting trays |
| 03/05/2003 | CN1400915A Gas liquid contact tray having multiple downcomers |
| 03/05/2003 | CN1400033A Reactor still equipment and polystyrene recovery and regeneration method by using said equipment |
| 03/05/2003 | CN1102531C Process for producing aqueous solutions of free hydroxylamine |
| 03/05/2003 | CN1102416C Axial-flow surface renewing equipment with forced internal circulation |
| 03/04/2003 | US6527258 Apparatus for the collection and distribution of liquid in a column |
| 02/27/2003 | WO2003016435A2 Unpressurized liquefaction of residues |
| 02/27/2003 | WO2003015889A1 Column plate |
| 02/27/2003 | WO2002090261A3 Process for obtaining alpha-campholenic aldehyde |
| 02/27/2003 | WO2002089958A3 Method for cleaning coke oven gas |
| 02/27/2003 | WO2002036549A3 Continuous processes and apparatus for forming cyanoacetate and cyanoacrylate |
| 02/27/2003 | US20030040641 Adding lower alcohol corresponding to a hydrate of a lower olefin to the gas phase reaction product, condensing a lower aliphatic carboxylic acid and the lower alcohol to form ester in presence of acid catalyst; separating |
| 02/27/2003 | US20030038385 Gas-liquid contact tray having multiple downcomers |
| 02/27/2003 | US20030037603 Process for determining the distillation characteristics of liquid petroleum products by express mini-distillation and apparatus permitting implementation of this process |
| 02/26/2003 | EP1285041A1 Apparatus and process for vaporizing a heavy hydrocarbon feedstock with steam |
| 02/26/2003 | EP1284928A1 Method for producing concentrated nitric acid and installation for carrying out a method of this type |
| 02/26/2003 | CN2537446Y 高效导向筛板塔 Efficient guided sieve tower |
| 02/26/2003 | CN2537445Y Atmospheric polymerization reactor |
| 02/26/2003 | CN2537444Y Multiple cavity gas distributor |
| 02/26/2003 | CN1399623A Purification of aqueous solutions of organic acids |
| 02/26/2003 | CN1398656A Porous plate column without drainage tube |
| 02/26/2003 | CN1102228C Rectifier for absorption refrigerating machine |
| 02/26/2003 | CN1102140C Preparation of acrylic acid and acrylic ester |
| 02/25/2003 | US6525216 Absorption, refinement; recirculation in vent gas |
| 02/20/2003 | WO2003014130A1 High boiling inhibitors for distillable, polymerizable monomers |
| 02/20/2003 | US20030033805 Advective solar collector for use in multi-effect water distillation and power production |
| 02/19/2003 | EP0890582B1 Method of recovering low-boiling substances from a polymer latex |
| 02/19/2003 | EP0842241B1 Improved process for selective hydrogenation of highly unsaturated compounds and isomerization of olefins in hydrocarbon streams |
| 02/19/2003 | CN2536587Y Methyl acetate hydrolyzer |
| 02/19/2003 | CN1398276A Method for prodn. of highly pure polycarbonate and ultrapure polycarbonate |
| 02/19/2003 | CN1398199A Distribution of gas and liquid in contact device |
| 02/19/2003 | CN1398193A Liquid distribution in contact device |
| 02/18/2003 | US6521097 Distilling mixture comprising an N-(C1-C18)-alkyl-2-pyrrolidone and hydrogen chloride in presence of water, condensing water as water-hydrogen chloride azeotrope at the top by cooling, returning, separation |
| 02/18/2003 | US6521022 Apparatus and method for reducing residual solvent levels |
| 02/16/2003 | CA2397691A1 Integrated column for liquid-liquid contacting |
| 02/13/2003 | WO2003011916A1 Process and device for manufacturing an aromatic alkylene polymer |
| 02/13/2003 | WO2003011850A1 Method for treating a product stream containing vitamin e acetate |
| 02/13/2003 | WO2003011469A2 Improved falling-film evaporator for separating substance mixtures |
| 02/13/2003 | WO2003011452A1 Liquid-gas contact apparatus |
| 02/13/2003 | WO2003011419A1 Liquid-to-gas contact device |
| 02/13/2003 | WO2003011418A1 System for stripping and rectifying a fluid mixture |
| 02/13/2003 | WO2003011417A1 Distillation apparatus |
| 02/13/2003 | WO2002062704A3 Method for quantitative production of gaseous ammonia |
| 02/13/2003 | US20030032846 Chlorination; process control |
| 02/13/2003 | US20030032840 Method of chemical recycling of polyethylene terephthalate waste |
| 02/13/2003 | US20030032833 Depolymerization; using thin film wiping evaporator |
| 02/13/2003 | US20030029778 Method and device for introducing a liquid-vapor mixture into a radial feed cylindrical fractionating column |
| 02/13/2003 | US20030029712 Azeotropic distillation process for producing organic acids or organic acid amides |
| 02/13/2003 | US20030029711 Mixing a feed stream and at least one azeotroping agent; decomposing the ammonium salt, the amide, or the alkylamine-organic acid complex to produce organic acid producing a first vapor stream; separating |
| 02/13/2003 | CA2454367A1 Method for treating a product stream containing vitamin e acetate |
| 02/12/2003 | EP1282586A1 Method and device for treating a c4 fraction |
| 02/12/2003 | EP1034019B1 Liquid dispenser for distilling column, and corresponding distilling column |
| 02/12/2003 | EP1034018B1 Liquid dispenser for oscillating distilling column, and corresponding distilling column |
| 02/12/2003 | EP1005388B1 Method for recovering a volatile organic component of solvent-in-water emulsions |
| 02/12/2003 | CN1396889A 水蒸馏系统 Water distillation systems |
| 02/12/2003 | CN1395976A Tower plate with defrosting guide structure and no back mix |
| 02/11/2003 | US6518465 Introducing alkyl ester into pressurized and heated reaction zone of a reactive distillation column to produce carboxylic acid and ether from ester; recovering ether and carboxylic acid |
| 02/11/2003 | US6517686 Apparatus for purification of electronic specialty gases by vapor phase transfilling |
| 02/11/2003 | CA2337321C Method for distilling ammonia |
| 02/06/2003 | WO2003010260A1 Method and apparatus for processing vegetable oils |
| 02/06/2003 | WO2002068496A8 Manufacture of cyclic ester oligomers |
| 02/06/2003 | WO2001070367A9 Polymer solution preheater and method for preheating such solutions |
| 02/06/2003 | US20030025675 Dynamic rendering of ink strokes with transparency |
| 02/06/2003 | US20030024885 Distributor/collector system |
| 02/06/2003 | US20030024801 Distillation system with individual fractionation tray temperature control |
| 02/05/2003 | EP1281699A2 Process for the preparation of 1,1,1-trifluoro-2,2-dichloroethane |
| 02/05/2003 | EP1280787A1 Method for distillative separation of mixtures containing tetrahydrofuran, $g(g)-butyrolactone and/or 1,4-butanediol |
| 02/05/2003 | EP1280769A1 Method for processing pyrollidone and n-vinyl pyrollidone residues |
| 02/05/2003 | CN2533933Y 蒸馏器 Distiller |
| 02/05/2003 | CN2533932Y Efficient turbulent phase change accelerating oil-water separator |
| 02/05/2003 | CN1395570A Working up mixture comprising alkene and oxygen |
| 02/05/2003 | CN1100596C Gas-liquid dispersing device, gas-liquid contacting device and waste-water treating device |
| 02/05/2003 | CN1100581C Method for isolating polymers from solutions |
| 02/05/2003 | CN1100580C Liquid dispenser for distilling colomn, and corresponding distilling column |
| 02/04/2003 | US6515187 A method of purifying acrolein or propionaldehyde with a single column distillation system is provided, where the distillation system has a side-draw take-off outlet for recovering purified acrolein or propionaldehyde located |
| 02/04/2003 | US6515186 Catalytic rearrangement of optically active or racemic alpha -pinene oxide in presence of a solvent and zinc bromide or zinc chloride catalyst to produce alpha-campholenic aldehyde in a continuous processing |
| 02/04/2003 | US6514387 Rectifying column for extractive distillation of close-boiling or azeotropic boiling mixtures |
| 02/04/2003 | US6513795 Mixed-resistance structured packing |
| 02/04/2003 | US6513422 Apparatus for evaporative cooling of a liquiform product |
| 01/30/2003 | WO2003008064A1 Distributor/collector system |