| 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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| 04/21/2004 | EP1409411A2 Device for obtaining clean fresh water by distilling contaminated primary water |
| 04/21/2004 | EP1409114A2 Method for cleaning coke oven gas |
| 04/21/2004 | EP1409099A2 System for cooling a heated juice by partial low-pressure evaporation |
| 04/21/2004 | EP1021242B1 Device and process for producing liquid and, optionally, gaseous products from gaseous reactants |
| 04/21/2004 | CN1491196A Method for recovering crude 1,3-butadiene by extracting distillation from C4 cut |
| 04/21/2004 | CN1490253A Waste water treating method for methyl ethyl ketone production |
| 04/21/2004 | CN1490066A Method for extracting effective components from natural materials |
| 04/20/2004 | US6723886 From synthesis gas; process control; blend with gasoline |
| 04/20/2004 | US6723861 Catalytic epoxidation reaction is carried out in at least two reactors, distillation, by-products inhibition, catalyst selectivity |
| 04/20/2004 | US6723292 Such as from catalytic cracking; stripper has a vertical cylinder and a degassing pipe at longitudinal axis, horizontal pipe at lower end of degassing pipe and inner and outer annular baffles |
| 04/20/2004 | US6722639 Liquid distributor in mass transfer column and method of installation and use |
| 04/20/2004 | CA2284584C De-entrainment tray and method of operation |
| 04/15/2004 | WO2004031112A1 Method and device for acid-catalysed hydrolysis of carboxylate esters from azeotropic mixtures |
| 04/15/2004 | WO2003092847A3 Water desalinization process and apparatus |
| 04/15/2004 | WO2003080778A3 Methods for treating deodorizer distillate |
| 04/15/2004 | WO2003022390A8 Process for the management of an extractive distillation plant, process control system and extractive distillation plant |
| 04/15/2004 | US20040069609 Purification apparatus and method |
| 04/15/2004 | US20040069414 Evaporation apparatus for solvent fuel |
| 04/15/2004 | US20040069242 System and method for converting a liquid into a vapor |
| 04/15/2004 | US20040069014 By using constant temperature degassed solution of room temperature continuously flows from top to bottom through all stages one by one and gradually cools; vapors produced may be used to melt any ice crystals formed |
| 04/15/2004 | DE4337981B4 Stoffaustauschboden mit einem Flüssigkeitsverteiler Mass transfer tray with a liquid distributor |
| 04/15/2004 | DE10246223A1 Distillation assembly, to separate mixture of two hydrocarbons, has intermediate cooling unit in upper section of desorption column |
| 04/15/2004 | DE10244632A1 Verfahren und Vorrichtung zur sauer katalysierten Hydrolyse von Carbonsäureestern aus azeotropen Gemischen Method and apparatus for acid-catalyzed hydrolysis of carboxylic acid esters of azeotropic mixtures |
| 04/14/2004 | EP1408006A1 Process for reducing the content of organic materials and nitrogen-containing compounds in bromine-containing effluents |
| 04/14/2004 | EP1406833A1 Method for producing an aqueous hydroxylamine solution devoid of salt |
| 04/14/2004 | EP1406832A1 Method for the production of a salt-free aqueous hydroxylamine solution |
| 04/14/2004 | EP1406713A1 Distributor/collector system |
| 04/14/2004 | EP1212283B1 Process for the production and purification of n-butyl acrylate |
| 04/14/2004 | CN2611362Y Waste liquor treatment plant |
| 04/14/2004 | CN2611029Y Novel catalytic cracking and separation tower |
| 04/14/2004 | CN2611028Y Multi-functional fixed bed type catalytic cracking equipment |
| 04/14/2004 | CN2611005Y 塔 Tower |
| 04/14/2004 | CN1489562A Process for separating mixtures of materials haivng different boiling points |
| 04/14/2004 | CN1488417A Plate evaporaing-absorbing apparatus |
| 04/14/2004 | CN1145603C Method for continuous preparation of unsaturated ketone |
| 04/13/2004 | US6720459 Continuous process for the preparation of polytrimethylene ether glycol |
| 04/08/2004 | WO2004028657A1 Hydraulically-sealed cross-current material exchange tray |
| 04/08/2004 | WO2004016715A3 Method and device for purifying a petroleum fraction |
| 04/08/2004 | WO2003047658B1 Rotating compressor |
| 04/08/2004 | US20040068155 Obtaining anthracene and carbazole by melt-crystallization |
| 04/08/2004 | US20040065966 Two-phase distribution apparatus and process |
| 04/08/2004 | US20040065538 Method for recovering crude 1,3-butadiene by extractive distillation from a c4 cut |
| 04/07/2004 | EP1406125A1 Method for manufacturing photosensitive resin printing plate, and developer treatment device |
| 04/07/2004 | EP1406053A2 High pressure CO2 purification and supply process and apparatus |
| 04/07/2004 | CN2609627Y Small packed tower |
| 04/07/2004 | CN1487910A Obtaining anthracene and carbazole by melt-crystallization |
| 04/07/2004 | CN1145000C Distillation process for multi-component feed stream |
| 04/06/2004 | US6716320 Evaporation of liquids |
| 04/06/2004 | US6715741 Increased efficiency fractional distillation tray |
| 04/06/2004 | CA2142360C High capacity tray for gas-liquid contact apparatus |
| 04/01/2004 | WO2004026767A2 Desalinization still |
| 04/01/2004 | WO2004026428A1 Method for liquid distillation and device for carrying out said method |
| 04/01/2004 | WO2004026426A2 Liquid distributor for vacuum distillation |
| 04/01/2004 | WO2003104168A3 Process and apparatus for catalytic distillations |
| 04/01/2004 | US20040062705 Acidification of a aqueous bromide solution; entrainment of vapors; filtration, washing, drying; forming bromine |
| 04/01/2004 | US20040060810 Method and device for separation and concentration by evaporation of mixture with separation factor of approx.1 |
| 04/01/2004 | US20040060809 Method for the production of phthalic anhydride to a specification |
| 04/01/2004 | US20040060808 Advective solar collector for use in multi-effect fluid distillation and power co-generation |
| 04/01/2004 | DE10243625A1 Hydraulich abgedichteter Querstrom-Stoffaustauschboden Hydra Ulich sealed crossflow mass transfer tray |
| 03/31/2004 | EP1403237A1 Device and method for refining solid material |
| 03/31/2004 | EP1403234A2 Process for singlet oxygen oxidation of organic substrates |
| 03/31/2004 | EP1402932A1 Purification apparatus and method |
| 03/31/2004 | EP1402222A1 Process and means for drying of sticky materials |
| 03/31/2004 | EP1401550A1 Process and arrangement for separating oil from oil containing materials |
| 03/31/2004 | EP1401548A2 Distiller for liquids, liquids distillation method and equipment for treating sewage, which equipment includes said distiller |
| 03/31/2004 | CN2608092Y Series continuous collection rotary evaroporator |
| 03/31/2004 | CN1143715C Absorbing trap type tower plate overflow apparatus |
| 03/31/2004 | CN1143714C Black water flash deaeration and cooling method and device |
| 03/30/2004 | US6712942 Working up a mixture comprising alkene and oxygen |
| 03/25/2004 | WO2004024668A2 Method for producing ipda with a high cis/trans isomer ratio by distillation |
| 03/25/2004 | WO2004024282A2 Method and apparatus for simultaneous heat and mass transfer utilizing a carrier-gas |
| 03/25/2004 | WO2004005818A3 Improved split flow process and apparatus |
| 03/25/2004 | US20040059166 Method and device for utilizing heat in the production of 1,2-dichloroethane |
| 03/25/2004 | US20040059153 Process for carbonylating alcohols, employing a catalyst based on rhodium or iridium in a non-aqueous ionic liquid, with efficient catalyst recycling |
| 03/25/2004 | US20040055867 Method for separating at least one reactive component from a mixtures of liquid materials and device for carrying out said method |
| 03/25/2004 | US20040055866 Desalinization still |
| 03/25/2004 | DE10242878A1 Liquid distributor for vacuum distillation, supplies liquid via tubes with openings over distribution channels with droplet-forming projections |
| 03/24/2004 | EP1399405A2 Process for obtaining alpha-campholenic aldehyde |
| 03/24/2004 | EP1399252A1 Method for carrying out the distillation or reactive distillation of a mixture containing at least one toxic constituent |
| 03/24/2004 | EP1399243A1 Two stage flash for hydrocarbon removal |
| 03/24/2004 | EP1399232A2 Stepped downcomer appartatus andvapor-liquid contact apparatus with same |
| 03/24/2004 | EP1332414A4 Heat and material balance method of process control for petrochemical plants and oil refineries |
| 03/24/2004 | EP1260266A4 Method and device for resonance excitation of fluids and method and device for fractionating hydrocarbon liquids |
| 03/24/2004 | EP1093389B1 Process for recovery of acrylonitirle |
| 03/24/2004 | CN1484630A Process for the simultaneous coproduction and purification of ethyl acetate and isopropyl acetate |
| 03/24/2004 | CN1484627A Method and device for the distillative processing of 1.6-hexandiol, 1.5-pentandiol and caprolactone |
| 03/24/2004 | CN1484575A Device for carrying out material exchange processes |
| 03/24/2004 | CN1483508A Catalyst distillation component and catalyst filling structure |
| 03/24/2004 | CN1483499A Spiral fractionation tower |
| 03/24/2004 | CN1142808C Distillation process with reduced fouling |
| 03/23/2004 | US6710217 Chlorination of biphenyl with chlorine in presence of ring-chlorination catalyst; distillation |
| 03/23/2004 | US6709025 Vapor lead-through system for a rotary evaporator, and a rotary evaporator |
| 03/18/2004 | WO2004022518A1 Process for producing (meth)acrylic acid compound |
| 03/18/2004 | WO2004022515A1 Continuous method for the production of carbonyl compounds |
| 03/18/2004 | WO2004022195A1 System and method for carrying out a discontinuous rectification or reaction |
| 03/18/2004 | WO2004012840A3 Method and device for stripping ammonia from liquids |
| 03/18/2004 | WO2003062730A3 Rotating heat exchanger |
| 03/18/2004 | US20040054200 Integrated process for the preparation of olefin oxides |
| 03/18/2004 | US20040050681 Polymerization inhibition effected during distillation of (meth)acrylic acid/ester by using a column equipped with a heat exchanger; setting a linear gas velocity in the line connecting of 5 m/sec and retention time of <3 sec |
| 03/18/2004 | US20040050680 Heterogeneously catalyzed reactive distillation in the suspension mode |