Patents
Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025)
04/2001
04/03/2001US6210583 Spent caustic pretreatment and enhanced oxidation process
03/2001
03/29/2001WO2001021685A1 Method for purification of aromatic polyethers
03/29/2001WO2001021605A2 Method for extracting compounds of furan lipids and polyhydroxylated fatty alcohols of avocado, composition based on said compounds and use of said compounds in therapy, cosmetics and food
03/29/2001WO2001021564A1 Method and device for utilizing heat in the production of 1,2-dichloroethane
03/28/2001EP1085929A1 Co-current contacting separation tray design and methods for using same
03/28/2001EP1085928A1 Method and apparatus for concentrating a solute in solution with a solvent
03/28/2001CN2424814Y Coking fractional column
03/28/2001CN1288769A Multichannel and multistage cross flow packed tower
03/27/2001US6207044 Solvent extraction of hydrocarbons from inorganic materials and solvent recovery from extracted hydrocarbons
03/27/2001US6205811 Device for modifying the temperature of a fluid
03/27/2001CA2218000C Distillation plant with a heat pump
03/27/2001CA2035183C Vapor horn
03/22/2001WO2001019773A1 Process for the production and purification of n-butyl acrylate
03/22/2001WO2000064553A3 Horizontal distillation apparatus and method
03/22/2001DE19934411C1 Verfahren zur Trennung und Reinigung einew wäßrigen Gemisches aus den Hauptkomponenten Essigsäure und Ameisensäure A process for the separation and purification einew aqueous mixture comprising the main components acetic acid and formic acid
03/21/2001EP1085106A1 A method and an apparatus for gasifying a liquid material
03/21/2001EP1085001A1 Improved process for linear alpha-olefin production with supercritical ethylene recycle
03/21/2001EP1084741A1 Device and method for distillation
03/21/2001EP1084740A1 Apparatus and method for handling easily polymerizable compound
03/21/2001EP1084739A2 Polymer devolatilisation apparatus and method
03/21/2001CN2423942Y Fractional tower
03/21/2001CN1287994A Equipment and method for treating compounds easy to be polymerized
03/21/2001CN1287872A Crude oil atmospheric vacuum distillation method with deep stripping process
03/21/2001CN1063423C Process for the production of high purity and ultrapure bisphenol-A
03/21/2001CN1063352C Method for processing light cracked naphtha contg. isopentylene, and distallation column reactor therefor
03/20/2001US6204344 Continuous slurry polymerization volatile removal
03/15/2001WO2001017937A1 Method for producing dimethylether
03/15/2001WO2001017647A1 Apparatus and method for extracting biomass
03/15/2001WO2001017645A1 Apparatus and methods for removing solvent residues
03/15/2001WO2001017643A1 Apparatus and method for removing solvent residues
03/15/2001WO2001017640A1 Apparatus and method for reducing residual solvent levels
03/15/2001WO2001017639A1 Apparatus and method for separating mixed liquids
03/15/2001WO2000077406A3 Method for compressing a hydrocarbon-containing gaseous medium
03/15/2001DE19943219A1 Verfahren zur Herstellung von Dimethylether A process for producing dimethyl ether
03/15/2001CA2383900A1 Apparatus and method for extracting biomass
03/15/2001CA2383605A1 Apparatus and method for separating mixed liquids
03/15/2001CA2383604A1 Apparatus and method for reducing residual solvent levels
03/15/2001CA2383594A1 Apparatus and methods for removing solvent residues
03/15/2001CA2383588A1 Apparatus and method for removing solvent residues
03/14/2001EP1083160A1 Apparatus for separation and purification of saturated hydrocarbon and method for separation and purification
03/14/2001CN2423011Y Anti-stop-type splitting gas-oil washing tower device
03/14/2001CN1287503A Rectifying column for extractive distillation of close-boiling or azeotropic boiling mixture
03/14/2001CN1063174C Improved reactor for synthesis of urea
03/13/2001US6201136 Separation of liquid mixtures comprising formaldehyde, trioxane, alcohol and hemiformal
03/13/2001US6200428 Wastewater treatment apparatus and method
03/13/2001US6199403 Process for separating a multi-component pressurizied feed stream using distillation
03/10/2001CA2282178A1 Improved process for linear alpha-olefin production with supercritical ethylene recycle
03/09/2001CA2316404A1 Polymer devolatilisation apparatus
03/07/2001EP1080767A2 Method of processing an acid solution comprising salt and installation for carrying out the method
03/07/2001EP1080766A1 Process for the separation of multicomponent mixtures
03/07/2001EP1080765A1 Multieffect distillation
03/07/2001EP1080764A1 Multieffect distillation for multicomponent separation
03/07/2001EP1080763A1 Process for the purification of a major component from a mixture with light and heavy components
03/07/2001EP1080116A2 Continuous volatile removal in slurry polymerization
03/07/2001CN2422041Y All section bubbling sieve-plate tower tray
03/07/2001CN1286389A Sheet filled lamination for generating spiral air flow in heat and mass exchange and contact device
03/07/2001CN1286129A Catalytic rectifying tower
03/06/2001US6197162 Liquid purifying distillation process
03/01/2001WO2001015175A2 Process for recycling ionic liquids
03/01/2001WO2001014308A1 Method for producing phthalic anhydride according to specifications
03/01/2001WO2001014256A1 A salt water desalination process using ion selective membranes
03/01/2001DE19940992A1 Water purification plant powered exclusively by solar energy employs coolant circuit evaporating e.g. salt water, without use of coolant compressor or coolant pumping
03/01/2001DE19940573A1 Verfahren zur Aufarbeitung einer salzhaltigen Säurelösung und Anlage zur Durchführung des Verfahrens A process for working a salt-containing acid solution, and plant for carrying out the method
02/2001
02/28/2001EP0831978B1 On-site ammonia purification for semiconductor manufacture
02/28/2001CN1285839A Lower alkyl alcohol recovery from a stripping mixture
02/27/2001US6193849 Fractionator with liquid-vapor separation means
02/27/2001US6193222 Gas-liquid contact tray and method
02/27/2001US6193165 Fluid-distributor for a substance-exchange column
02/22/2001WO1999065601A8 A mixed phase ethylation system for producing ethylbenzene
02/22/2001DE19939629A1 Production of pure phthalic anhydride, e.g. for plasticizer production, involves distillation under reduced pressure in a column from which volatiles are taken off at the top and pure anhydride is taken off at a side arm
02/21/2001CN1284895A Structured packing and element therefor
02/21/2001CN1284586A Method for treatment of biological base filamentary material
02/20/2001US6190498 Evaporator
02/20/2001US6189872 Froth activator apparatus and method
02/20/2001US6189566 Liquid distributor for column packings
02/20/2001CA2206777C Liquid distributor for a packed tower
02/20/2001CA2159752C Structured packing with improved capacity for rectification systems
02/15/2001WO2001010526A1 Method and apparatus for economical solid-liquid separation in water-based solutions
02/14/2001EP1076217A2 Nitrous oxide purification system and process.
02/14/2001CN1061897C Gas-liquid coflowing jetting contact, non-back mixing and two-layered tower plate appts
02/13/2001US6187965 Process for recovering high boiling solvents from a photolithographic waste stream comprising at least 10 percent by weight of monomeric units
02/13/2001US6187935 Method for separating an organic compound from an aqueous medium
02/13/2001CA2192727C Improved liquid distributor for packed columns
02/08/2001WO2001008779A1 An apparatus for evaporative cooling of a liquiform product
02/08/2001WO2000075078B1 Evaporation device
02/08/2001DE19937036A1 Distillation plant has wiper unit for increasing evaporator surface area by droplet formation
02/08/2001DE19936474A1 Simplified separation of oil from sludges is effected with complete water separation by heating with a recyclable solvent such as toluene which forms an azeotropic mixture
02/07/2001EP1073505A1 Method and apparatus for determining temperature of and controlling the evaporation of liquid samples
02/07/2001CN2417920Y Saponification reactor
02/07/2001CN2417913Y Float type automatic liquid-gas separator
02/07/2001CN1283167A Desalination method and desalination apparatus
02/06/2001CA2025746C Process for the recovery of a water-insoluble epoxy alcohol
02/01/2001WO2001007392A1 Method for the continuous production of methyl formiate
02/01/2001WO2001007390A1 A method for the separation and purification of an aqueous mixture consisting of acetic acid and formic acid as the main components
02/01/2001WO2001007134A1 Method and apparatus for simultaneous heat and mass transfer utilizing a carrier-gas
02/01/2001DE19935038A1 Verfahren zur kontinuierlichen Herstellung von Methylformiat Process for the continuous preparation of methyl
01/2001
01/31/2001EP1072672A1 Process and device for gas purification
01/31/2001CN2416947Y Formic acid rectifying tower
01/31/2001CN1282267A Liquid dispenser for oscillating distilling column, and corresponding distilling column
01/31/2001CN1282266A Liquid dispenser for non-vertical distilling column, and distilling column equipped therewith