Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025)
12/2003
12/31/2003CN1132648C Double-flow injection float valve tray
12/31/2003CA2490317A1 Vapor-liquid contact tray and method employing same
12/30/2003USRE38366 Oil re-refining method and apparatus
12/30/2003US6670431 Separating polymer solids from a liquid medium, drying the polymer, and recovering the inert diluent; flashing, condensation
12/30/2003US6668913 Liquid-gas manifold for a matter and/or heat exchange column, and column using such a manifold
12/30/2003CA2327751C Process for distillation of multicomponent fluid and production of an argon-enriched stream from a cryogenic air separation process
12/25/2003WO2003106389A1 Eb/sm splitter heat recovery
12/24/2003WO2003106354A1 Method of purifying fischer-tropsch derived water
12/24/2003WO2003106346A1 Method of purifying fischer-tropsch derived water
12/24/2003WO2003037799B1 Point of use water purification method and apparatus
12/23/2003US6666956 Separation of mixtures of (meth)acrylic acid or ethyl esters in stills having reboilers in layouts allowing for efficient heat exchange and polymerization inhibition
12/23/2003US6666909 Microsystem capillary separations
12/23/2003US6666457 Sealing device for sealing a cavity rotatable about a rotation axis
12/18/2003WO2003104168A2 Process and apparatus for catalytic distillations
12/18/2003US20030233013 Process for the purification of mixtures of toluenediisocyanate
12/18/2003US20030230476 Process for the purification of mixtures of toluenediisocyanate incorporating a dividing-wall distillation column
12/17/2003EP1371636A1 Process for the purification of mixtures of toluenediisocyanate
12/17/2003EP1371635A1 Process for the purification of mixtures of toluenediisocyanate incorporating a dividing-wall distillation column
12/17/2003EP1371634A1 Process for the purification of mixtures of toluenediisocyanate
12/17/2003EP1371633A1 Process for the purification of mixtures of toluenediisocyanate incorporating a dividing-wall distillation column
12/17/2003EP1371610A1 Process for producing nanometer grade powders
12/17/2003EP1370507A2 Purification of difluoromethane
12/17/2003EP1370335A1 Azeotropic distillation process for producing organic acids or organic acid amides
12/17/2003CN1131410C Method and equipment for producing CO and hydrogen
12/17/2003CN1131088C Tower equipment equipped with space tubulance type gas distributor
12/17/2003CN1131087C Catalytic reaction rectifying tower
12/16/2003US6664392 Process for the preparation of melamine
12/16/2003US6663770 Water processing device
12/14/2003CA2431441A1 Process for the purification of mixtures of toluenediisocyanate
12/14/2003CA2431439A1 Process for the purification of mixtures of toluenediisocyanate incorporating a dividing-wall distillation column
12/10/2003EP1369505A2 Method and apparatus for recirculating of rinsing water and cleaning of a process bath
12/10/2003EP1369465A2 Process for the alkylation of benzene
12/10/2003EP1368103A1 Solvent regenerator
12/10/2003EP1286963B1 Method for separating ammonia from solutions containing caprolactam and ammonia
12/10/2003EP1210161B1 Apparatus and method for extracting biomass
12/10/2003CN2590634Y Distillation apparatus
12/10/2003CN1461353A Method for separating zirconium and hafnium tetrachloride with aid of melted solvent
12/10/2003CN1460574A Slurry cyclic method
12/10/2003CN1460531A Distillation equipment for high boiling point, easy-to-solidify and thermosensitive material
12/10/2003CN1130329C Preparation of esters
12/10/2003CN1130312C Evaporative concentration apparatus for waste water
12/09/2003US6660881 Esterifying acid and alcohol followed by dehydration step in which water impregnated in the ion-exchange resin is removed by using alcohol or acid as dehydrating solvent to produce (meth)acrylic ester
12/09/2003US6660169 Method and apparatus for reclaiming deicer from produced water of an oil well
12/04/2003WO2003099426A1 Methods and apparatus for mixing and distributing fluids
12/04/2003WO2003091163A3 Cogeneration wasteheat evaporation system and method for wastewater treatment utilizing wasteheat recovery
12/04/2003WO2003078038A8 Methods and apparatus for mixing fluids
12/04/2003WO2003057338A3 Water removal in fischer-tropsch processes
12/04/2003US20030223917 Batch-type polyester polymerization apparatus
12/04/2003US20030221995 Distillation is done by boiling, then cooling the vapor. If we decrease the pressure in the tube of distillation, We can have boiling at lower temperature and a rise of few degrees will boil the substance (crude oil, alcohol, salt water, etc .
12/04/2003US20030221947 Method and apparatus for corrosive gas purification
12/03/2003EP1366005A1 Method for recovering crude 1,3-butadiene by extractive distillation from a c4 cut
12/03/2003CN2589457Y Exhausted liquid and solvent reclaiming and processing unit
12/03/2003CN2589037Y Guided standing valve column plate
12/03/2003CN2589036Y Novel column plate having stuffing type down spout
12/03/2003CN2589035Y Float valve and tongue hole combined tray
12/03/2003CN2589034Y Highly effective scale-free distillating still
12/03/2003CN1129575C Hydrogenation of unsaturated cyclic compounds
12/02/2003US6657090 Reacting a C4-hydrocarbon stream that contians isobutene with methanol over an acid catalyst at a pressure of 3-15 bar abs., a temperature of 55-75 degrees C., and a reflux ratio of <1
12/02/2003US6657087 Process and apparatus for the work-up by distillation of cleavage product mixtures produced in the cleavage of alkylaryl hydroperoxides
12/02/2003US6656326 Apparatus and method for water purification using solar energy
11/2003
11/27/2003WO2003097204A1 Separation process
11/27/2003WO2003097203A1 System and method for converting a liquid into a vapor
11/27/2003US20030220055 Slurry recycling method
11/27/2003US20030217979 Oxidative evaporation process and apparatus
11/27/2003CA2486130A1 System and method for converting a liquid into a vapor
11/26/2003EP1364936A1 Process for the carbonylation of alcohols using a rhodium or iridium based catalyst in an ionic, non-aqueous liquid, with an efficient recycling of the catalyst
11/26/2003EP1364693A1 Bubble cap tray
11/26/2003EP1364073A2 Sieve tray column and process for recovery of metal value
11/26/2003EP1363855A1 Method and device for treating liquids
11/26/2003EP1363728A1 Self-supporting reactor internal
11/26/2003EP1232199B1 Method for purification of aromatic polyethers
11/26/2003EP1019324B1 Method and device for sewage clarification
11/26/2003CN2587487Y Three-guiding valve tower tray
11/26/2003CN1458145A Process for purifying high purity dimethyl sulfoxide, and dimethyl sulfoxide and amine mixture
11/26/2003CN1457914A Differential distilling tower
11/26/2003CN1457913A Mild distilling and separating method for mixture
11/26/2003CN1128783C Process for distillation of crude ester in DMT/PTA process
11/26/2003CN1128647C Downcomer to plate column
11/25/2003US6651731 Preventing fluids from polymerizing; acrylic acid, methacrylic acid, esters thereof, oxygen, nitrogen, argon, carbon dioxide, propylene, isobutylene, and alcohol;
11/22/2003CA2387169A1 Extractive distillation
11/20/2003WO2003095367A1 Self-sanitising water treatment apparatus with a reservoir for treated water that includes a heating element
11/20/2003WO2002089958B1 Method for cleaning coke oven gas
11/20/2003US20030216605 Beta-elemene, method to prepare the same and uses thereof
11/20/2003US20030215371 Chemical-physical reactions displaced by pressure
11/20/2003US20030213689 Preventing plugging during distillation, by including a solid adjuvant into liquid mixture containing a dissolved substance, forming a substance which melts at a lower temperature than the distillation temperature
11/20/2003US20030213688 Process control of a distillation column
11/20/2003DE10202026C1 Vacuum distillation apparatus, for thickening and concentrating liquids, comprises liquid intermediate storage container assigned to vacuum container
11/19/2003EP1362625A1 Process for carefully separating a substance mixture by distillation
11/19/2003CN2586518Y Waste oil distilling apparatus
11/19/2003CN1456382A Packed tower top gas-liquid splite-flow reflux balancing distributing distilling producing process devices
11/19/2003CN1456381A Packed tower top gas-liquid splite-flow reflux balancing distributing devices
11/19/2003CN1127996C Parobolic revolutionary body gas and liquid heat transferring and mass transferring device and its operation control
11/18/2003US6649792 Method of chemical recycling of polyethylene terephthalate waste
11/18/2003US6649028 Column treating process and apparatus thereof
11/13/2003WO2003093202A1 Continuous method for obtaining butenes from a c4 fraction
11/13/2003WO2003092847A2 Water desalinization process and apparatus
11/13/2003WO2003055839A8 Process to separate butadiene dimers from alkyl pentenoates
11/13/2003WO2003037799A3 Point of use water purification method and apparatus
11/13/2003WO2003033428A9 Recycle for supercritical carbon dioxide
11/12/2003EP1361610A1 Carburetor, various types of devices using the carburetor, and method of vaporization
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