Patents
Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025)
08/2003
08/20/2003CN1118314C Gas-liquid contaction equipment under action of centrifugal force field
08/20/2003CN1118313C Multichannel and multistage cross flow packed tower
08/14/2003WO2003066211A1 Lase-of-polymerization handling device using chamfered pat flange
08/14/2003WO2003066187A1 Method for lactic acid oligomerization
08/14/2003US20030150706 System and method for acetic acid recovery during terephthalic acid production
08/14/2003US20030150705 Cosolvent that is toluene, heptane, 1-heptene, methylcyclohexane, cycloheptane, cycloheptadiene, cycloheptatriene, 2,4-dimethyl-1,3-pentadiene, methylcyclohexene or methylenecyclohexene
08/14/2003US20030150233 Condenser with integrated deaerator
08/14/2003CA2474720A1 Method for lactic acid oligomerization
08/13/2003EP1333902A2 Microsystem capillary separations
08/13/2003EP1161413B1 Method for the continuous production of methoxyamine hydrochloride
08/13/2003CN1436092A Staged heat and mass transfer applications
08/13/2003CN1117609C Apparatus and method for tray valve attachment
08/13/2003CN1117595C Oblique hole corrugated plate
08/12/2003US6605474 Plurality of sample holders mounted within vacuum chamber and rotated to exert centrifugal force; data processing
08/12/2003US6605190 Staged optimal externally-controlled systems and method thereof
08/07/2003WO2003043712A8 Column comprising dual flow plates
08/07/2003WO2002053249A3 A gas/liquid contacting apparatus
08/07/2003US20030146525 Methods and apparatus for mixing fluids
08/07/2003US20030146158 Using centrifugal force; evaporation; agglomeration of particles
08/07/2003US20030146081 Acrylic acid recovery utilizing ethyl acrylate and selected co-solvents
08/07/2003DE20307874U1 Unit concentrating wastewater contaminants includes additional evaporator further thickening concentrated sludge
08/06/2003EP1332781A1 Heat integrated distillation column
08/06/2003EP1332414A1 Heat and material balance method of process control for petrochemical plants and oil refineries
08/06/2003EP1331996A1 Method and apparatus for gradient generation
08/06/2003EP0912219B1 A separator device for removing pollutants from waste water
08/06/2003CN2564218Y Dual-purpose multi-effect waterdistilling machine
08/06/2003CN1117063C Method and equipment for producing fatty acid methyl ester
08/05/2003US6602060 Compressor employing piston-ring check valves
07/2003
07/31/2003WO2003062730A2 Rotating heat exchanger
07/31/2003WO2003061810A1 Mass-transfer device
07/31/2003WO2003061802A1 Heat integrated distillation column
07/31/2003WO2003038020B1 Method for fractionating grease trap waste and uses of fractions therefrom
07/31/2003US20030143698 Process for the enzymatic preparation of enantiopure 1, 3-dioxolan-4-one and 1,3-oxathiolan-5-one derivatives
07/31/2003US20030143150 High pressure/high temperature production of colorless and fancy-colored diamonds
07/31/2003US20030141177 Water purification for radioactive drugs used in scanning
07/30/2003EP1330431A2 Continuous processes and apparatus for forming cyanoacetate and cyanoacrylate
07/30/2003EP1330297A1 Column for counter-currently contacting vapour and liquid
07/30/2003EP1030826B1 Method for carrying out heterogeneous catalysis
07/30/2003EP0836637B1 Process for improving color and color stability of oleic acid
07/30/2003CN2562833Y Sieve mesh float valve
07/30/2003CN2562832Y Guide sieve mesh float valve
07/30/2003CN2562831Y Rectifying device
07/30/2003CN1433395A Method of producing ethyl acetate and equipment for carrying out this method
07/30/2003CN1433392A Method and device for treating C4 fraction
07/29/2003US6600061 Method for making aromatic carbonates. In this method, an aryl alcohol is reacted with a dialkyl carbonate in a reactor (e.g., a distillation column) to produce an arylalkyl carbonate and diaryl carbonate. The total yield is 40%
07/29/2003US6599398 Recovery of adiponitrile from a mixture of adiponitrile, aminocapronitrile and hexamethylenediamine
07/29/2003US6598763 Beverage dispensing apparatus
07/24/2003WO2003060041A2 Method for processing multi-component liquid mixtures and device for carrying out said method
07/24/2003WO2003059854A1 Method for reducing water concentration in a multi-phase column reactor
07/24/2003WO2002040128A3 Method for separating at least one reactive component from a mixtures of liquid materials and device for carrying out said method
07/24/2003US20030139611 Column for concentrating phthalic anhydride
07/24/2003CA2471832A1 Method for reducing water concentration in a multi-phase column reactor
07/23/2003EP1329449A1 Column for the concentration of phtalic anhydride
07/23/2003EP1329422A1 Liquid purification method and apparatus
07/23/2003EP1329418A2 Purification of Group IVb metal halides
07/23/2003EP1073505B1 Method and apparatus for determining temperature of and controlling the evaporation of liquid samples
07/23/2003CN2561483Y Supercritical multicomponent fluid extraction rectifiers
07/23/2003CN1431993A Method for separating ammonia from solutions contg. caprolactam and ammonia
07/23/2003CN1431984A Process for producing ultra-high purity isopropanol
07/23/2003CN1431214A Technology for synthesizing polyester of cane sugar acids with high degree of esterification
07/23/2003CN1115180C Distillation plant
07/22/2003US6596895 Diphenyl carbonate is made by reacting an aryl alcohol with a dialkyl carbonate to produce aryl alkylcarbonate and diaryl carbonate and reacting the diphenyl carbonate with a dihydric phenol to produce an aromatic polycarbonate
07/22/2003US6596894 Method for the continuous production of aromatic carbonates
07/22/2003US6596178 Fluid purification system
07/22/2003US6596129 Distillation process for easily polymerizable substance-containing solution
07/22/2003CA2275760C Improved mass transfer device
07/17/2003WO2003057656A1 Acrylic acid recovery utilizing ethyl acrylate and selected co-solvents
07/17/2003WO2003057339A1 Locking hinged joint for vapor-liquid contact trays
07/17/2003WO2003057338A2 Water removal in fischer-tropsch processes
07/17/2003US20030135022 Production process for ethylene oxide resin
07/17/2003US20030134913 Method for reducing water concentration in a multi-phase column reactor
07/17/2003US20030133864 Method and apparatus for supplying carbon dioxide to a plurality of applications, as in the processing of integrated circuits
07/17/2003US20030133861 Purification of group IVb metal halides
07/17/2003US20030132098 Distilling of mixture at an absolute pressure of less than 10 bar
07/17/2003US20030132097 Fuel-cell powered desalination device
07/17/2003US20030132096 Rotating heat exchanger
07/17/2003US20030132095 Device and method for distilling water
07/17/2003US20030131948 Continuous process for controlled evaporation of colloidal solutions
07/16/2003EP1327651A1 Production process for ethylene oxide resin
07/16/2003EP1326945A1 A process and apparatus for the fractional distillation of crude oil
07/16/2003EP1326943A2 C-nitrosoaniline compounds and their blends as polymerization inhibitors
07/16/2003CN1430661A Apparatus and process for vaporizing heavy hydrocarbon feedstock with steam
07/16/2003CN1429656A Catalytic distillation tower structure
07/16/2003CN1114478C Countercurrent reaction pot
07/16/2003CN1114458C Crude oil atmospheric vacuum distillation method with deep stripping process
07/15/2003US6592338 Vapor-compression distiller includes a rotary heat exchanger
07/15/2003US6592106 Locking hinged joint for vapor-liquid contact trays
07/10/2003WO2003055839A1 Process to separate butadiene dimers from alkyl pentenoates
07/10/2003WO2003055574A1 Holding profile for lamellae, modular holding profile unit, and a separating, light-reducing or flow-conducting unit containing the same
07/10/2003WO2003055573A1 Unit acting as drop separator and partition base
07/10/2003US20030130442 Useful for continuously separating a liquid medium comprising diluent and unreacted monomers from a polymerization effluent containing diluent, unreacted monomers and polymer solids
07/10/2003US20030129118 Extractive distillation
07/10/2003US20030127755 Locking hinged joint for vapor-liquid contact trays
07/10/2003US20030127400 Water treatment process for thermal heavy oil recovery
07/10/2003US20030127315 Reacting (meth)acrylic acid with olefin using acid catalyst; multistage distillation to remove catalyst
07/09/2003EP1325887A1 Process for producing the solution of a chemical product starting from the liquid phase of a chemical product
07/09/2003EP1324811A1 Method and device for carrying out the distillative separation of c 5+? cuts
07/09/2003CN2559395Y Inclined hole bar-shape infloating valve
07/09/2003CN1429211A Method for processing pyrollidone and N-vinyl pyrollione residues
07/09/2003CN1429131A Microfiltration using activated carbon