Patents
Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025)
07/2003
07/09/2003CN1428189A High-pressure rotary bed gas-liquid mass-transferring and reaction equipment in superheavy force field
07/09/2003CN1428183A Nozzle baffle type tower tray
07/09/2003CN1113819C Apparatus for preparing pure water from crude water
07/08/2003US6590132 Separation of monomer from oligomer with lower bottoms temperature
07/08/2003US6589395 Distillation plant with a column and a heat pump
07/08/2003US6588736 Gas/liquid contacting, perforated tray assembly
07/08/2003US6588735 Gas-liquid tray
07/08/2003CA2346625C Column packing and method for manufacturing the same
07/08/2003CA2241160C Unit for distillation of a liquid product
07/03/2003WO2003055268A2 Continuous process for controlled evaporation of colloidal solutions
07/03/2003WO2003053563A1 Device for material and/or energy exchange in a wash column
07/03/2003WO2003053557A1 Device and method for handling lase-of-polymerization substance, device for extracting liquid from device under reduced pressure, and method of manufacturing lase-of-polymerization substance
07/03/2003US20030124038 Reactive distillation
07/03/2003US20030121171 Method and apparatus for performing multiple cleaning and vacuum drying operations in enclosed vessels
07/03/2003DE20306533U1 Spray head assembly for installation in flue gas desulfurization tower, has main tube with two channels feeding side tubes in alternation
07/02/2003EP1323467A1 Device for material and/or energy exchange in a wash column
07/02/2003EP1197663A4 Method for compressing a hydrocarbon-containing gaseous medium
07/02/2003EP1064086B1 Continuous slurry polymerization volatile removal
07/02/2003EP1032464B1 Liquid dispenser for non-vertical distilling column, and distilling column equipped therewith
07/02/2003EP0764646B1 Methods of recovering and dehydrating ethylene sulfide
07/02/2003CN1427832A Method for distillative separation of mixtures containing tetrahydrofuran, gamma-butyrolactone and/or 1,4-butanediol
07/02/2003CN1427738A Polymer solution preheater and method for preheating such solutions
07/02/2003CN1427737A Method and apparatus for water degasification and distillation
07/02/2003CN1113036C Method for preparing highly pure aqueous hydroxylamino solutions
07/01/2003US6586567 Contacting, with an aqueous solution of a chelating agent, a polyphenylene ether solution and adding a water-soluble poor solvent for polyphenylene ether to precipitate polyphenylene ether; recovering precipitated polyphenylene ether
07/01/2003US6586201 Method of chromatographic isolation for non-glyceride components
07/01/2003US6585862 Apparatus and method for handling easily polymerizable compound
07/01/2003US6585238 Locally co current horizontally staged contact tray
06/2003
06/26/2003WO2003051946A2 Method for removal of impurities in cyclic siloxanes useful as precursors for low dielectric constant thin films
06/26/2003WO2003051810A1 Process for producing (meth)acrylic acid
06/26/2003WO2003051544A1 Structured-surface packs for multi-phase separators
06/26/2003US20030120123 Process for the preparation of tertiary alcohols by the hydration of tertiary olefins in a reactive rectification using a structured multi-purpose packing
06/26/2003US20030116422 Air pollution control
06/26/2003US20030116421 Adsorption; azeotropic distillation
06/26/2003US20030116420 Dividing-wall column with feed in whole or in part in the vaporous state and/or side stream take off in whole or in part in the vaporous state
06/26/2003US20030116286 Apparatus and method for removing volatile components from viscous liquids
06/25/2003EP1321175A2 A partitioned distillation column with a total or partial gaseous feed and/or a total or partial gaseous side-stream
06/25/2003EP1320672A1 Water supply system for steam injection and inlet fogging in a gas turbine powerplant and operating method for this system
06/25/2003EP1320517A2 Process for producing lower aliphatic carboxylic acid ester
06/25/2003EP1206414B1 A salt water desalination process using ion selective membranes
06/25/2003CN2557200Y High-efficient atomizer for vacuum oil purifier
06/25/2003CN1426378A Improved desalination of ocean water
06/24/2003US6583325 Reacting isoolefins with lower alcohols using two distillation column reactors in series to maximize conversion
06/24/2003US6582688 Method for extracting compounds of furan lipids and polyhydroxylated fatty alcohols of avocado, composition based on said compounds, and therapeutic, cosmetical or food use of said compounds
06/24/2003US6582606 Microfiltration using activated carbon
06/24/2003US6582565 Process for the recovery and purification of 3,4-epoxy-1-butene (epoxybutene) from mixtures comprising epoxybutene and aliphatic and aromatic hydrocarbons containing five to seven carbon atoms having boiling points with
06/24/2003US6582564 Distillation apparatus and distillation method
06/24/2003US6582563 Water purification system
06/24/2003US6582552 Method and device for evaporating liquid
06/24/2003US6581443 Process for determining the distillation characteristics of liquid petroleum products by express mini-distillation and apparatus permitting implementation of this process
06/19/2003WO2003050454A2 Apparatus for and method of heating fluid and distilling fluid
06/19/2003WO2003049835A1 Improved conditions for fluid separations in microchannels, capillary-driven fluid separations, and laminated devices capable of separating fluids
06/19/2003US20030111744 Device for guiding the flow of a liquid used for material and/or energy exchange in a wash column
06/19/2003US20030111331 Process for inhibiting polymer formation in a vinyl monomer azeotropic dehydration process
06/19/2003US20030111185 Rotary evaporation with variable dosage metering
06/18/2003EP1319649A1 Process for inhibiting polymer formation in an vinyl monomer azeotropic dehydration process
06/18/2003EP1185346B1 An apparatus for rectification of liquid mixtures and/or for scrubbing of gases
06/18/2003CN2556585Y Chemical reaction device for constant temp. fluidized bed furnace
06/18/2003CN1424294A Method for inhibiting polymer generation in azeotropic dehydration of vinyl monomer
06/18/2003CN1424125A Three direction guided valve tower tray
06/18/2003CN1424124A Internal flap of liquid distributor
06/18/2003CN1424123A Special rectifying device with tower still cooling
06/17/2003US6579508 Controlling temperature
06/17/2003US6579069 Low-potential gas flares, with the simultaneous separation of heavy hydrocarbons from the gaseous hydrocarbon-containing mediums
06/12/2003WO2003048272A1 Method of purifying a water-rich stream produced during a fischer-tropsch reaction
06/12/2003WO2003048100A1 Process for producing (meth)acrylic acid compound
06/12/2003WO2003047748A1 Supported metal oxides as catalysts for aldol condensations
06/12/2003WO2003047747A1 Device and method for carrying out heterogeneously-catalysed reactive distillations in particular for the production of pseudoionone
06/12/2003WO2003047714A1 Riser base
06/12/2003WO2003047713A2 Clamp for releasably connecting a column plate to a supporting ring in a column
06/12/2003WO2003047658A1 Rotating compressor
06/12/2003US20030109729 Process control; controlling length of passageways, times, temperature
06/12/2003US20030106786 Method for distillative separation of mixtures containing tetrahydrofuran,$g(g)-butyrolactone and/or 1,4-butanediol
06/11/2003EP1317948A1 Plate column
06/11/2003EP1317947A1 Improved batch distillation
06/11/2003CN1422683A 板式塔 Plate tower
06/11/2003CN1111168C Supercritical fluid extraction method of high-purity sterol
06/10/2003US6576805 Cat cracker gas plant process for increased olefins recovery
06/10/2003US6576132 Quench water pretreat process
06/10/2003US6575438 Stepped downcomer apparatus and vapor-liquid contact apparatus with same
06/10/2003US6575437 Counterflow column with a liquid distributor
06/05/2003WO2003045911A1 Process for recovering caprolactam
06/05/2003WO2003045890A1 Method for purifying (meth)acrylic acid
06/05/2003WO2003045881K1 Device for homogenous oxidation of natural gas and method for homogenous oxidation of natural gas
06/05/2003WO2003045881A1 Device for homogenous oxidation of natural gas and method for homogenous oxidation of natural gas
06/05/2003US20030105338 Method for processing pyrollidone and n-vinyl pyrollidone residues
06/05/2003US20030102581 Tray column
06/05/2003US20030101870 Apparatus and method for reducing residual solvent levels
06/05/2003DE10207460C1 Column for concentration of phthalic anhydride, with vertical wall dividing first stage for removing low-boiling material and second stage for separating high-boiling material, has connection between sumps of both stages
06/04/2003EP1316345A1 Liquid distributor internal baffling
06/04/2003EP1315544A2 Anti-pressure system for distillation vessel
06/04/2003EP1113848B1 Method for evaporating polymer solutions of thermoplastic polymers
06/04/2003EP1105374B1 Lactam dehydration method
06/04/2003CN1421405A Waste liquid treatment method and waste liquid treating equipment with the same method
06/04/2003CN1421260A Distilling recovery machine
06/04/2003CN1110582C Apparatus for vaporizing and supplying material
06/04/2003CN1110475C Process for purifying acrylonitrile
06/04/2003CN1110474C Process and device for recovering amines and use of residues obtained thereby
05/2003
05/30/2003WO2003043712A1 Column comprising dual flow plates
05/30/2003WO2003022390A3 Process for the management of an extractive distillation plant, process control system and extractive distillation plant