Patents
Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025)
03/2004
03/18/2004US20040050503 Evaporator wit heat surface formed by an open, descending channel in the shape of a concentric spiral
03/18/2004DE10321188A1 Vacuum water evaporator tank for removal of impurities from rinse water used in an aluminum anodizing process has all wetted components fabricated in plastic
03/18/2004DE10241482A1 Anlage und Verfahren zum Durchführen einer diskontinuierlichen Rektifikation oder Reaktion System and method for performing a discontinuous rectification or reaction
03/18/2004DE10241447A1 Flash-drying ultra-fine dry powder comprising mixture of ingredients involves using specific temperature and pressure conditions
03/17/2004EP1397187A2 Device for separating fluid mixtures
03/17/2004EP1397184A1 Contact tray having supported downcomers and methods involving same
03/17/2004EP1397183A2 A gas/liquid contacting apparatus
03/17/2004EP1397042A1 Compositions and methods for insect control
03/17/2004EP1268024A4 Staged heat and mass transfer applications
03/17/2004CN1142002C Multi-orifice without downpipe, multi-orifice tower without downpipe and distilling method
03/17/2004CN1142001C Tower plate for gas-liquid mass transfer
03/16/2004US6707473 Dynamic rendering of ink strokes with transparency
03/16/2004US6706093 Method and apparatus for preventing iron contamination in corrosive service
03/16/2004US6705357 Method and apparatus for gradient generation
03/11/2004WO2004020076A1 Separator, reactor, and process for producing aromatic carboxylic acid
03/11/2004WO2003072226A3 Acid gas removal
03/11/2004US20040045805 Novel process for preparing and harvesting crystalline particles
03/11/2004US20040045804 Method and device for obtaining 1,3 pure butadiene from 1,3 raw butadiene by distillation
03/11/2004US20040045682 Cogeneration wasteheat evaporation system and method for wastewater treatment utilizing wasteheat recovery
03/11/2004DE10233985A1 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
03/10/2004EP1068166B1 Process and apparatus for the production and recovery of p-xylene
03/10/2004EP0881943B1 Catalytic distillation structure
03/09/2004US6702874 Gas separation apparatus and gas separation method
03/04/2004WO2004018522A2 Apparatus and method for removal of volatiles from a mass processable polymer
03/04/2004WO2003029149A3 System and method for efficient and low energy desalination of water
03/04/2004US20040040829 Divided wall structure; rectifier and stripping zone
03/04/2004DE10238489A1 Chemical reactor has layer of bulk grain catalyst under twin layer of profiled metal panels forming emergency escape channels for gas
03/03/2004CN1479709A Process and apparatus for work-up by distillation of cleavage product mixtures produced in cleavage of alkylaryl hydroperoxides
03/03/2004CN1478577A Catalytic careful distillation intermediate extraction new technology
03/03/2004CN1478576A High efficiency torrent phase-change oil water separating method
03/03/2004CN1140330C Reactor for distillation and heteroptical catalysis
03/03/2004CN1140308C Control method for vapour-phase linear speed compensation of ordinary-pressure distilling tower
03/03/2004CN1140307C Distiller and drinking water dispenser
03/02/2004US6699385 Process for converting waxy feeds into low haze heavy base oil
02/2004
02/26/2004WO2004016715A2 Method and device for purifying a petroleum fraction
02/26/2004WO2003099426B1 Methods and apparatus for mixing and distributing fluids
02/26/2004WO2003070644A8 Sea water desalination plant
02/26/2004US20040039219 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
02/26/2004US20040039151 Reactive rectification
02/26/2004US20040037769 Process for the production of hydrogen peroxide
02/26/2004US20040036186 Gas-liquid contacting apparatus
02/26/2004US20040036055 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
02/26/2004DE10238140A1 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
02/26/2004DE10210683B4 Einsatzelement für Flüssigkeitsverteilerkörper für Stoff- und Wärmeaustauschkolonnen Use element for liquid distributor body for heat and mass transfer columns
02/25/2004EP1390111A1 Fixing parts and seals for partition elements of a multi-section partition
02/25/2004EP1390110A2 Liquid distributor in mass transfer column and method of installation and use
02/25/2004EP1307435B1 Integrated process for the preparation of olefin oxides
02/25/2004EP1045855B1 Lower alkyl alcohol recovery from a stripping mixture
02/25/2004CN2604224Y Combined distributor
02/25/2004CN2604219Y Combined porous medium bubble-cap tray
02/25/2004CN1478115A Method for continuous production of polyesters or copolyesters
02/25/2004CN1477092A Acrylic purification tower
02/24/2004US6696598 Process for producing lower aliphatic carboxylic acid ester
02/24/2004US6695952 Method for the separation of and purification of an aqueous mixture consisting of the main components acetic acid and formic acid
02/24/2004US6695951 Saline/sewage water reclamation system
02/24/2004US6695008 Liquid distributor for columns
02/19/2004WO2004015351A1 Method and apparatus for phase change enhancement
02/19/2004WO2004014802A1 Water-desalting plant
02/19/2004WO2003004126A3 Azeotropic distillation of cyclic esters of hydroxy organic acids
02/19/2004DE19633468B4 Apparat zum Behandeln flüssiger Produkte Apparatus for treating liquid products
02/19/2004DE10236674A1 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
02/19/2004DE10235552A1 Verfahren zur Durchführung einer heterogen katalysierten Reaktivdestillation in Suspensionsfahrweise A method for performing a heterogeneously catalyzed reactive distillation in suspension
02/18/2004CN2603684Y Falling film type fractionation vaporizing apparatus
02/18/2004CN1476441A Method for continuously acylating chromanol ester derivatives
02/18/2004CN1138593C Catalytic distillation component
02/17/2004US6693224 Method and device for utilizing heat in the production of 1,2-dichloroethane
02/17/2004US6693213 Method of producing ethyl acetate and an equipment for carrying out this method
02/17/2004US6692714 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
02/12/2004WO2004012840A2 Method and device for stripping ammonia from liquids
02/12/2004WO2004012839A1 Method for dividing multicomponent mixture and device for carrying out said method
02/12/2004US20040030166 Methods for treating deodorizer distillate
02/12/2004US20040030162 Dehydration of sugar alcohols; separation; foods, drugs
02/12/2004US20040030005 Supplying dope through nozzle; flash evaporation
02/12/2004US20040026801 Column for counter-currently contacting vapour and liquid
02/12/2004US20040026800 Gas-liquid contact apparatus, gas-liquid contact method, liquid deodorizing method, aromatic component producing method, and food and drink
02/12/2004US20040026227 Boiling liquids; vessel with interior walls; distillation trays; conduit for removal liquids
02/12/2004US20040026225 Distillation method and appliances for fresh water production
02/12/2004US20040026224 Method for simulating distilling plant
02/12/2004DE4437149B4 Verfahren zur Direktentspannungsverdampfung Process for the direct flash evaporation
02/12/2004DE10233620A1 Kontinuierliches Verfahren zur Auftrennung eines C4-Schnittes A continuous process for fractionating a C4 fraction
02/12/2004DE10233388A1 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
02/12/2004DE10233387A1 Verfahren zur kontinuierlich betriebenen Reindestillation von Oxiranen, speziell von Propylenoxid Method for the continuous purification by distillation of oxiranes, especially propylene oxide
02/12/2004DE10233385A1 Verfahren zur kontinuierlichen Herstellung von Propylenglykolen A process for the continuous preparation of propylene glycols
02/11/2004EP1387720A1 Reactor for gas/liquid or gas/liquid/solid reactions
02/11/2004CN1474794A Method and device for obtaining 1,3-butadiene from 1,3-raw butadiene by distilation
02/11/2004CN1473864A Solution concentrating method and solution film making method and product
02/11/2004CN1473766A Double stage absorptive compressing type high temperature heat pump sea water desalination device
02/10/2004US6689251 Cycled-concentration distiller
02/10/2004CA2340522C Solvent distillation apparatus
02/10/2004CA2187663C Process and device for fractionating multicomponent fluids such as natural gaz
02/05/2004WO2004011579A1 Process for the treatment of waste oils
02/05/2004WO2004011406A1 Continuous method for separating a c4 cut
02/05/2004WO2004011119A2 Vapor-liquid contact trays and method employing same
02/05/2004US20040024256 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
02/05/2004US20040020758 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
02/05/2004US20040020757 Process for the mild distillative separation of mixtures
02/05/2004DE10309832A1 Solvent recovery from azeotropic aqueous mixtures comprises use of combination of distillation and membrane separation techniques to produce high quality material for re-use
02/05/2004DE10260494B3 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
02/05/2004DE10230668A1 Plant purifying sea, river, or contaminated water, includes air humidifier (4) with fixed built-in components (8) (packing) irrigated by the raw water (6)
02/05/2004DE10150009B4 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