Patents
Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025)
11/2000
11/22/2000EP1053773A1 Distillation method and column
11/22/2000CN2406713Y Valve fixing and distilling tower tray with guiding function
11/22/2000CN2406712Y Insert articulated tower tray
11/22/2000CN2406711Y System for reusing flash vapor
11/22/2000CN1274300A Process for producing liquid and, optionally, gaseous products from gaseous reactants
11/22/2000CN1058698C Process for continuous prepn. of aqueous formaldehyde solutions
11/21/2000US6149879 Modular device that comprises a reaction zone and a separation zone
11/21/2000US6149136 Distributor for packed liquid-vapor contact column
11/21/2000CA2304841A1 Distillation method and column
11/21/2000CA2222632C Refrigerant separation system
11/16/2000WO2000068160A1 A method of treating an aqueous suspension of kaolin
11/16/2000WO2000068150A2 Cold distillation method
11/16/2000WO2000068138A1 Water dispenser
11/16/2000WO2000067871A1 Cold distillation method
11/16/2000DE19922402A1 Preparation of pure 4-chlorobiphenyl by reacting biphenyl and chlorine in presence of catalyst then fractionally distilling, useful as intermediate for pharmaceuticals and plant protectants
11/16/2000CA2370510A1 Water dispenser
11/16/2000CA2368117A1 Cold distillation method
11/15/2000EP1052004A1 Process and apparatus for concentrating waste water by accelerated evaporation
11/15/2000EP1051084A1 Method and device for extracting plant ingredients
11/15/2000CN1273356A Shell-and-tube heat exchanger and method for controlling polymerization in shell-and-tube heat exchanger
11/15/2000CN1273136A Method for avoiding polymerization generation in film-type evaporator
11/14/2000US6146595 For preparing samples for chemical analysis; processing of a plurality of samples along with a blank sample and a control sample
11/14/2000US6146533 Method of treating wastewater containing chemical substances by use of supercritical fluid and treating apparatus
11/14/2000US6145816 Fluids contacting, tray opening, fluid dispersing assembly
11/09/2000DE19920295A1 Enantiomer enrichment comprises distilling binary liquid mixture of enantiomers
11/08/2000EP1049650A1 Desalination method and desalination apparatus
11/08/2000CN2404572Y Balancing type gasifying crude oil gas-liquid separator
11/08/2000CN1272484A Process for production of ether on catalytic distillation tower
11/08/2000CN1272389A Double-flow injection float valve tray
11/08/2000CN1058257C Process for production of cyclohexyl adipates
11/08/2000CN1058199C Mass transfer in plate columns and apparatus for this purpose
11/07/2000US6143927 Methods for removing catalyst after oxidation of hydrocarbons
11/07/2000US6143136 Method and apparatus for physical and chemical separation and reaction
11/07/2000CA2050106C Bubble cap tray for melting solids and method for using same
11/02/2000WO2000064950A1 Device and method for removing unreacted monomer from polymer latex
11/02/2000WO2000064556A1 Liquid-phase adsorption process for removing and concentrating heteroatom compounds in hydrocarbons
11/02/2000WO2000064554A1 Method and device for evaporating polymer solutions of thermoplastic polymers, and a polycarbonate which can be obtained by evaporation
11/02/2000WO2000064553A2 Horizontal distillation apparatus and method
11/02/2000EP1048646A1 Process for the continuous distillation of thermolabile monomers
11/02/2000EP1047493A1 Intertwined structures as catalytic fillings for reactive separation methods
11/02/2000EP1047482A1 Liquid distributor
11/02/2000CA2376315A1 Horizontal distillation apparatus and method
11/01/2000CN2403477Y Liquid dispenser using for packed column and reactor
11/01/2000CN1272096A Mechanical vapour recompression separation process
10/2000
10/31/2000US6138455 Closely temperature coupled mixing improving thermodynamic efficiency
10/26/2000WO2000063671A1 Evaporation of liquids and recirculation of purified gas
10/26/2000WO2000062886A1 Method and apparatus for concentrating slurried solids
10/25/2000EP1046416A2 Method for preventing polymerization in thin-film type evaporating device
10/25/2000EP1045855A2 Lower alkyl alcohol recovery from a stripping mixture
10/25/2000EP1045727A1 Evaporator and evaporation process
10/25/2000CN1271333A Apparatus for obtaining pure water from crude water
10/25/2000CN1270950A Process for inhibiting polymerization of easy polymerized compounds
10/25/2000CN1057709C Composite filling tower
10/25/2000CN1057708C Full effective region cross flow tower plate
10/24/2000CA2055975C Induction heating molecular distillation apparatus and process for manufacturing components therefor
10/19/2000WO2000061659A1 Method and device for separating solids from polymer solutions
10/19/2000WO2000061448A1 Sealable lid for vacuum distillation apparatus
10/19/2000DE19915705A1 Verfahren zur Abtrennung von Feststoffen aus Polymerlösungen A process for the separation of solids from polymer solutions
10/18/2000EP1044957A1 Process for inhibiting the polymerization of easily-polymerizable compounds
10/18/2000EP1044951A2 Process for preparation of ethers in a catalytic distillation column
10/18/2000EP1044950A1 Method and device for the preparation of 1,2-dichloroethane
10/18/2000CN2401244Y Single side floating rectifying float valve
10/18/2000CN1270577A Methods and reactor devices for removing catalyst after oxidation of hydrocarbons
10/18/2000CN1270074A Miniaturized energy-saving efficient continuous distillation technique
10/17/2000US6133492 Alkylation of benzene to form linear alkylbenzenes using fluorine-containing mordenites
10/17/2000US6131891 Fractionation column containing stacked fractionation trays
10/17/2000CA2009567C Vacuum distillation process
10/12/2000WO2000060293A1 Method and device for producing ultra-pure gas
10/12/2000WO2000059848A1 Impurities separation by distillation
10/12/2000WO2000059598A1 A process for evaporating a solution and an evaporator for use in the process
10/12/2000CA2368300A1 A process for evaporating a solution and an evaporator for use in the process
10/11/2000EP1043050A2 Method for refining easily polymerizable matter-containing substance and apparatus therefor
10/11/2000EP1042064A1 Structured packing and element therefor
10/11/2000EP1042040A1 Rectifying column for extractive distillation of close-boiling or azeotropic boiling mixtures
10/11/2000EP0954361A4 System and method of waste water reduction and product recovery
10/11/2000CN2400163Y Gas-liquid contact device by the action of centrifugal force field
10/11/2000CN1269351A Method and apparatus for refining materials containing components easy to polymerize
10/11/2000CN1269256A Eddy-current ultragravitational field reactor and its application
10/11/2000CN1269253A Methanol and ethyl acetate separating method
10/10/2000US6129973 Microchannel laminated mass exchanger and method of making
10/10/2000US6128922 Introducing mixture into packed column, the mixture comprising higher and lower volatility components, operating column such that higher and lower volatility components have relative volatility within packed column of 1.05 to 1.8, distilling
10/10/2000US6128920 Dephlegmator
10/05/2000WO2000058274A1 Improved process for the recovery of acrylonitrile and methacrylonitrile
10/05/2000DE19914966A1 Verfahren zur kontinuierlich betriebenen destillativen Abtrennung eines höherschmelzenden Stoffes Method for the continuous separation by distillation of a high-melting material
10/05/2000CA2368486A1 Process for the recovery of acrylonitrile and methacrylonitrile
10/04/2000EP1040857A2 Method for separating a high melting substance by a continuous distillation process
10/04/2000EP1005388A4 Method for recovering a volatile organic component of solvent-in-water emulsions
10/04/2000CN1268482A Method for prodn. of hydrogen chloride
10/04/2000CN1268384A Purification apparatus having steam dispersion device
10/03/2000US6126723 Microcomponent assembly for efficient contacting of fluid
10/03/2000CA2145069C Recovery of phenol from low concentrations with sodium sulfate
09/2000
09/28/2000DE19911234A1 Verfahren zur kontinuierlichen Herstellung von Methoxyamin-Hydrochlorid A process for the continuous preparation of methoxyamine hydrochloride
09/27/2000EP1038562A1 Apparatus for collecting and distributing liquids in a column
09/27/2000CN2397975Y Single-cone high-efficient float valve
09/27/2000CN2397974Y Anti-leakage, anti-clamp strap and anti-block addition isolation net for tower plate of perforated-plate extraction tower
09/27/2000CN1268115A Process for purifying acrylonitrile
09/27/2000CN1267660A Refining method for (methyl) propenoic acid and/or its ester
09/27/2000CN1056841C Process for removing minute amount water from tetrahydrofuran with ordinary rectifying tower
09/26/2000US6123812 Process for distilling ethylene oxide
09/26/2000US6123323 Gas-liquid dispersion devices provided with partitioning members, gas-liquid contact apparatus, and wastewater treatment systems provided with the same