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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03/18/2004 | US20040050503 Evaporator wit heat surface formed by an open, descending channel in the shape of a concentric spiral |
03/18/2004 | DE10321188A1 Vacuum water evaporator tank for removal of impurities from rinse water used in an aluminum anodizing process has all wetted components fabricated in plastic |
03/18/2004 | DE10241482A1 Anlage und Verfahren zum Durchführen einer diskontinuierlichen Rektifikation oder Reaktion System and method for performing a discontinuous rectification or reaction |
03/18/2004 | DE10241447A1 Flash-drying ultra-fine dry powder comprising mixture of ingredients involves using specific temperature and pressure conditions |
03/17/2004 | EP1397187A2 Device for separating fluid mixtures |
03/17/2004 | EP1397184A1 Contact tray having supported downcomers and methods involving same |
03/17/2004 | EP1397183A2 A gas/liquid contacting apparatus |
03/17/2004 | EP1397042A1 Compositions and methods for insect control |
03/17/2004 | EP1268024A4 Staged heat and mass transfer applications |
03/17/2004 | CN1142002C Multi-orifice without downpipe, multi-orifice tower without downpipe and distilling method |
03/17/2004 | CN1142001C Tower plate for gas-liquid mass transfer |
03/16/2004 | US6707473 Dynamic rendering of ink strokes with transparency |
03/16/2004 | US6706093 Method and apparatus for preventing iron contamination in corrosive service |
03/16/2004 | US6705357 Method and apparatus for gradient generation |
03/11/2004 | WO2004020076A1 Separator, reactor, and process for producing aromatic carboxylic acid |
03/11/2004 | WO2003072226A3 Acid gas removal |
03/11/2004 | US20040045805 Novel process for preparing and harvesting crystalline particles |
03/11/2004 | US20040045804 Method and device for obtaining 1,3 pure butadiene from 1,3 raw butadiene by distillation |
03/11/2004 | US20040045682 Cogeneration wasteheat evaporation system and method for wastewater treatment utilizing wasteheat recovery |
03/11/2004 | DE10233985A1 Glassed-steel vessel joining-clamp, e.g. for distillation column sections, allows separation of sections containing loose internals above support ring using double screw clamp by which ring is independently attached to column upper section |
03/10/2004 | EP1068166B1 Process and apparatus for the production and recovery of p-xylene |
03/10/2004 | EP0881943B1 Catalytic distillation structure |
03/09/2004 | US6702874 Gas separation apparatus and gas separation method |
03/04/2004 | WO2004018522A2 Apparatus and method for removal of volatiles from a mass processable polymer |
03/04/2004 | WO2003029149A3 System and method for efficient and low energy desalination of water |
03/04/2004 | US20040040829 Divided wall structure; rectifier and stripping zone |
03/04/2004 | DE10238489A1 Chemical reactor has layer of bulk grain catalyst under twin layer of profiled metal panels forming emergency escape channels for gas |
03/03/2004 | CN1479709A Process and apparatus for work-up by distillation of cleavage product mixtures produced in cleavage of alkylaryl hydroperoxides |
03/03/2004 | CN1478577A Catalytic careful distillation intermediate extraction new technology |
03/03/2004 | CN1478576A High efficiency torrent phase-change oil water separating method |
03/03/2004 | CN1140330C Reactor for distillation and heteroptical catalysis |
03/03/2004 | CN1140308C Control method for vapour-phase linear speed compensation of ordinary-pressure distilling tower |
03/03/2004 | CN1140307C Distiller and drinking water dispenser |
03/02/2004 | US6699385 Process for converting waxy feeds into low haze heavy base oil |
02/26/2004 | WO2004016715A2 Method and device for purifying a petroleum fraction |
02/26/2004 | WO2003099426B1 Methods and apparatus for mixing and distributing fluids |
02/26/2004 | WO2003070644A8 Sea water desalination plant |
02/26/2004 | US20040039219 Chemical vapor deposition by dosing with a stabilizer of free-radical inhibitors, end-capping agents and mixtures; forming low-dielectric constant thin films which lower power consumption, reduces cross-talk, and shortens signal delay |
02/26/2004 | US20040039151 Reactive rectification |
02/26/2004 | US20040037769 Process for the production of hydrogen peroxide |
02/26/2004 | US20040036186 Gas-liquid contacting apparatus |
02/26/2004 | US20040036055 Removing impurities such as carbon dioxide, hydrogen sulfide or sulfur dioxide, from natural or synthesis gas, by scrubbing using liquid mixtures comprises amines solutions such as 3-methylaminopropylamine and triethanolamine |
02/26/2004 | DE10238140A1 Continuous production of carbonyl compounds such as pseudoionone from lower carbonyl compounds involves a continuous aldolisation process in which at least one of the products is removed from the reaction mixture |
02/26/2004 | DE10210683B4 Einsatzelement für Flüssigkeitsverteilerkörper für Stoff- und Wärmeaustauschkolonnen Use element for liquid distributor body for heat and mass transfer columns |
02/25/2004 | EP1390111A1 Fixing parts and seals for partition elements of a multi-section partition |
02/25/2004 | EP1390110A2 Liquid distributor in mass transfer column and method of installation and use |
02/25/2004 | EP1307435B1 Integrated process for the preparation of olefin oxides |
02/25/2004 | EP1045855B1 Lower alkyl alcohol recovery from a stripping mixture |
02/25/2004 | CN2604224Y Combined distributor |
02/25/2004 | CN2604219Y Combined porous medium bubble-cap tray |
02/25/2004 | CN1478115A Method for continuous production of polyesters or copolyesters |
02/25/2004 | CN1477092A Acrylic purification tower |
02/24/2004 | US6696598 Process for producing lower aliphatic carboxylic acid ester |
02/24/2004 | US6695952 Method for the separation of and purification of an aqueous mixture consisting of the main components acetic acid and formic acid |
02/24/2004 | US6695951 Saline/sewage water reclamation system |
02/24/2004 | US6695008 Liquid distributor for columns |
02/19/2004 | WO2004015351A1 Method and apparatus for phase change enhancement |
02/19/2004 | WO2004014802A1 Water-desalting plant |
02/19/2004 | WO2003004126A3 Azeotropic distillation of cyclic esters of hydroxy organic acids |
02/19/2004 | DE19633468B4 Apparat zum Behandeln flüssiger Produkte Apparatus for treating liquid products |
02/19/2004 | DE10236674A1 Recovery of isophoronediamine, useful in production of e.g. polyurethanes, comprises distillation of the crude diamine into a fraction having a cis/trans ratio of greater than 73/27 and a fraction having a cis/trans ratio of less than 66/34 |
02/19/2004 | DE10235552A1 Verfahren zur Durchführung einer heterogen katalysierten Reaktivdestillation in Suspensionsfahrweise A method for performing a heterogeneously catalyzed reactive distillation in suspension |
02/18/2004 | CN2603684Y Falling film type fractionation vaporizing apparatus |
02/18/2004 | CN1476441A Method for continuously acylating chromanol ester derivatives |
02/18/2004 | CN1138593C Catalytic distillation component |
02/17/2004 | US6693224 Method and device for utilizing heat in the production of 1,2-dichloroethane |
02/17/2004 | US6693213 Method of producing ethyl acetate and an equipment for carrying out this method |
02/17/2004 | US6692714 Placing a colored type ii natural diamond in a pressure-transmitting medium; consolidating pressure-transmitting medium into a pill; exposing pill to elevated pressure and temperature to change color of diamond |
02/12/2004 | WO2004012840A2 Method and device for stripping ammonia from liquids |
02/12/2004 | WO2004012839A1 Method for dividing multicomponent mixture and device for carrying out said method |
02/12/2004 | US20040030166 Methods for treating deodorizer distillate |
02/12/2004 | US20040030162 Dehydration of sugar alcohols; separation; foods, drugs |
02/12/2004 | US20040030005 Supplying dope through nozzle; flash evaporation |
02/12/2004 | US20040026801 Column for counter-currently contacting vapour and liquid |
02/12/2004 | US20040026800 Gas-liquid contact apparatus, gas-liquid contact method, liquid deodorizing method, aromatic component producing method, and food and drink |
02/12/2004 | US20040026227 Boiling liquids; vessel with interior walls; distillation trays; conduit for removal liquids |
02/12/2004 | US20040026225 Distillation method and appliances for fresh water production |
02/12/2004 | US20040026224 Method for simulating distilling plant |
02/12/2004 | DE4437149B4 Verfahren zur Direktentspannungsverdampfung Process for the direct flash evaporation |
02/12/2004 | DE10233620A1 Kontinuierliches Verfahren zur Auftrennung eines C4-Schnittes A continuous process for fractionating a C4 fraction |
02/12/2004 | DE10233388A1 Verfahren zur kontinuierlich betriebenen Reindestillation des bei der koppel-produktfreien Propylenoxidsynthese verwendeten Lösungsmittels Methanol unter gleichzeitiger Abtrennung der Methoxypropanole und der Schwersieder Method for the continuous purification by distillation of the solvent methanol used in the coupling-product-free synthesis of propylene oxide with simultaneous removal of methoxypropanols and the high-boiling |
02/12/2004 | DE10233387A1 Verfahren zur kontinuierlich betriebenen Reindestillation von Oxiranen, speziell von Propylenoxid Method for the continuous purification by distillation of oxiranes, especially propylene oxide |
02/12/2004 | DE10233385A1 Verfahren zur kontinuierlichen Herstellung von Propylenglykolen A process for the continuous preparation of propylene glycols |
02/11/2004 | EP1387720A1 Reactor for gas/liquid or gas/liquid/solid reactions |
02/11/2004 | CN1474794A Method and device for obtaining 1,3-butadiene from 1,3-raw butadiene by distilation |
02/11/2004 | CN1473864A Solution concentrating method and solution film making method and product |
02/11/2004 | CN1473766A Double stage absorptive compressing type high temperature heat pump sea water desalination device |
02/10/2004 | US6689251 Cycled-concentration distiller |
02/10/2004 | CA2340522C Solvent distillation apparatus |
02/10/2004 | CA2187663C Process and device for fractionating multicomponent fluids such as natural gaz |
02/05/2004 | WO2004011579A1 Process for the treatment of waste oils |
02/05/2004 | WO2004011406A1 Continuous method for separating a c4 cut |
02/05/2004 | WO2004011119A2 Vapor-liquid contact trays and method employing same |
02/05/2004 | US20040024256 Heating ketone to reflux in a reaction vessel such that ketone vapor contacts a condensor attached to reaction vessel and condenses, reacting condensed ketone with halogen gas, and collecting selectively halogenated ketone |
02/05/2004 | US20040020758 Feeding a stream comprising diisobutylene and tertiary butyl alcohol to distillation zone operated at first pressure to remove diisobutylene as first bottoms and maintain a first azeotrope; withdrawing first azeotrope; feeding |
02/05/2004 | US20040020757 Process for the mild distillative separation of mixtures |
02/05/2004 | DE10309832A1 Solvent recovery from azeotropic aqueous mixtures comprises use of combination of distillation and membrane separation techniques to produce high quality material for re-use |
02/05/2004 | DE10260494B3 Method for desalinating water comprises filling evaporation unit with salt water, filling condensing unit with pure water and reducing pressure in both units before they are connected |
02/05/2004 | DE10230668A1 Plant purifying sea, river, or contaminated water, includes air humidifier (4) with fixed built-in components (8) (packing) irrigated by the raw water (6) |
02/05/2004 | DE10150009B4 Verfahren zur Bestimmung der Destillationscharakteristik von flüssigen Erdölprodukten über eine Schnelldestillation im kleinen Maßstab und Verwendung einer Vorrichtung zum Einsatz des Verfahrens A method for determining the distillation characteristics of liquid petroleum products through a flash distillation on a small scale and using a device for use of the method |