Patents
Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025)
10/2004
10/28/2004WO2004092108A1 Thermal rectification method, and rectifying column
10/28/2004WO2004091748A1 Combined liquid collector and mixer for mass tranfer column
10/28/2004US20040213719 Mercury recovery method and mercury recovery apparatus
10/28/2004US20040212106 Expansion ring for mass transfer column and method employing same
10/28/2004US20040212105 Vapor-liquid contact trays for mass transfer column and method employing same
10/28/2004US20040211658 Purification of solvents used for the purification of alkylene oxide
10/28/2004DE10317436A1 Thermal separation between at least one gaseous and liquid stream, of which at least one comprises (meth)acrylic monomers, in a separating column whose surface is sprayed with polymerization inhibitor
10/27/2004EP1470096A1 Method for reducing water concentration in a multi-phase column reactor
10/27/2004EP1185782B1 Fuel fractionation device
10/27/2004CN2650837Y Rosin pot still
10/27/2004CN1541213A Proces sfor separation of aqueous mixture of trioxane and formaldehyde and corresponding applications
10/27/2004CN1539542A Distiller for rosin
10/27/2004CN1173370C Method for distilling sulfur for preparing radioactive phosphonuclein
10/27/2004CN1172923C Integrated working up mixture comprising alkene and oxygen
10/27/2004CN1172886C Process for composite solvent for separating arylhydrocarbon by extraction and distillation
10/27/2004CN1172735C Flow-control-free intermittent fine distillation method and apparatus
10/26/2004CA2110869C Process for separating hf from its mixtures with hydrochlorofluorocarbons 123 and/or 124
10/21/2004WO2004090171A1 Process for producing sugar and useful substance
10/21/2004WO2004089830A2 Solvent extraction system and method
10/21/2004WO2004073836A3 Separation tray
10/21/2004US20040210093 catalytic reaction of mercaptans and thiophenes with hydrogen in a distillation column reactor to produce hydrogen sulfide
10/21/2004US20040210092 Process and apparatus for catalytic distillations
10/21/2004US20040210091 Process and apparatus for catalytic distillations
10/21/2004US20040210090 concurrently feeding two reactants into a distillation column reactor and contacting a second mixture with a non catalytic distillation structure in a parallel and separate distillation non reaction zone
10/21/2004US20040210070 Method and apparatus for processing vegetable oils
10/21/2004US20040207103 Contact tray having tray supported downcomers and methods involving same
10/21/2004US20040206617 Thermal separating process
10/20/2004EP1112120B1 Process and catalyst for making dialkyl carbonates
10/20/2004EP1093398B1 Microcomponent assembly for efficient contacting of fluid
10/20/2004CN2649158Y Cross rotary valve tower plate
10/20/2004CN2649157Y Superstrory turbulent mass transfer tower
10/20/2004CN1171836C Intelligent control method of propene rectifying tower in ethylene equipment
10/19/2004US6805062 Providing a stream of waste oil; heating waste oil to vaporize oil therefrom; passing a supply line containing hydrogen through the heated waste oil to heat the hydrogen; injecting heated hydrogen into vaporized oil; recovering vaporized oil
10/19/2004US6804962 Solar energy desalination system
10/14/2004WO2004088230A2 Ethanol distillation with distillers soluble solids recovery apparatus
10/14/2004WO2004071636A3 Tray apparatus, column with same and method of assembling and using
10/14/2004WO2004024668A3 Method for producing ipda with a high cis/trans isomer ratio by distillation
10/14/2004US20040205065 System for creating and maintaining a database of information utilizing user opinions
10/14/2004US20040204614 Process and apparatus for catalytic distillations
10/14/2004US20040204608 Method for purifying (meth)acrylic acid
10/14/2004US20040200717 Solvent extraction by dissolving the feedstock in a mixture of water and solvent to transfer phenols into the solvent and neutral oils and/or tar bases into a cosolvent layer; separating solvent layer by distillation to yield recovered water and cosolvent overhead and solvent and phenols bottom
10/14/2004US20040200716 Process for separating 2-butanol from tert-butanol/water mixtures
10/14/2004US20040200602 System for stripping and rectifying a fluid mixture
10/14/2004US20040200091 Process and means for drying of sticky materials
10/14/2004DE10314492A1 Verfahren zur Herstellung einer wässrigen Lösung von Hydroxylamin A process for preparing an aqueous solution of hydroxylamine
10/14/2004CA2783179A1 Process and apparatus for conversion of organic, waste, or low-value materials into useful products
10/13/2004EP1372807B1 Ionic liquids as selective additives for the separation of close-boiling or azeotropic mixtures
10/13/2004EP1285041B1 Apparatus and process for vaporizing a heavy hydrocarbon feedstock with steam
10/13/2004CN2647394Y Reaction refluxing tower used for nitrogen-15 production
10/13/2004CN1537031A Easily polymerizable compound-treating apparatus using chamfered pot Flamge
10/13/2004CN1537026A Liquid distributor in mass transfer column and method of installation and use
10/13/2004CN1170815C Improved process for recovery of acrylonitrile and methacrylonitrile
10/13/2004CN1170806C Fractional condensation of product gas mixture containing acrylic acid
10/13/2004CN1170611C Method and installation for extracting monomer from aqueous slurry containing polymer
10/13/2004CN1170610C Flow through type multi-step angular tower plate
10/13/2004CN1170609C Reactive distilling apparatus
10/12/2004US6803483 Process for the purification of mixtures of toluenediisocyanate
10/12/2004US6802941 Distiller employing cyclical evaporation-surface wetting
10/07/2004WO2004085577A1 Improved distillation sequence for the purification and recovery of hydrocarbons
10/07/2004WO2004085413A1 Method and procedure for producing melamine by high-pressure process
10/07/2004WO2004085308A1 Method for the production of an aqueous hydroxylamine solution
10/07/2004WO2004085023A1 Low capital implementation of distributed distillation in ethylene recovery
10/07/2004WO2004085022A1 Purification of fluid compounds utilizing a distillation-membrane separation process
10/07/2004US20040198928 Continuous slurry polymerization volatile removal
10/07/2004US20040195708 Distributor for micro-quantities of liquid
10/07/2004US20040195707 Combined liquid collector and mixer for mass transfer column and method employing same
10/07/2004US20040195706 Separation tray
10/07/2004US20040194579 Reducing waste loss in hydrometallurgical processes using resin absorption
10/06/2004EP1464370A1 Liquid distributor
10/06/2004EP1463572A1 Locking hinged joint for vapor-liquid contact trays
10/06/2004CN1535269A Method for treating product stream containing vitamin E acetate
10/06/2004CN1535257A Method for processing of liquid reaction discharge of cationic polymerisation of isobutene
10/06/2004CN1169777C Method for preparing (methyl) acrylic acid ester
10/06/2004CN1169725C Devil liquor treatment process and appts. for same and washing appts. using such appts.
10/05/2004US6800698 Continuously separating polymer solids from liquid medium, drying polymer, and recovering diluent and unreacted monomers with reduction in compression needed for diluent vapor condensation to liquid diluent for reuse in process
10/05/2004US6800112 Mercury recovery method
10/05/2004US6799752 Method and apparatus for improving a fractionation process
09/2004
09/30/2004US20040192981 Heating, vaporization; multistage process; reducing odorous emission; high energy efficiency
09/30/2004US20040192980 Reducing odorous emission; high energy efficiency; multistage process; slurrying, heating, pressurization, separation
09/30/2004US20040192862 purification of effluents from chemical reactors, extractors, stills, air cleaners, tail gas afterburners, heat exchangers, boilers or condensers, using a networks of filters
09/30/2004US20040191145 Counter current washing with caustic soda; regenerating in desorber by completely expelling acid gas components and ammonia
09/30/2004US20040188340 Apparatus for separating particulates from a suspension, and uses thereof
09/30/2004US20040188237 Plant and method for vacuum distillation of hydrocarbon liquids
09/30/2004DE10312918A1 Verfahren zur Abtrennung von 2-Butanol aus tert.-Butanol/Wasser-Gemischen A process for separating 2-butanol from t-butanol / water mixtures
09/30/2004DE10312917A1 Verfahren zur Ausschleusung von 2-Butanol aus tert.-Butanol/Wasser-Gemischen A process for the discharge of 2-butanol from t-butanol / water mixtures
09/30/2004DE10312916A1 Verfahren zur Abtrennung von 2-Butanol aus tert.-Butanol/Wasser-Gemischen A process for separating 2-butanol from t-butanol / water mixtures
09/29/2004EP1462433A1 Process for the separation of 2-butanol from tert.-butanol/water mixtures
09/29/2004EP1462432A1 Process for removing 2-butanol from tert.-butanol/water mixtures
09/29/2004EP1462431A1 Process for the separation of 2-butanol from tert.-butanol/water mixtures
09/29/2004EP1461296A1 Recycle for supercritical carbon dioxide
09/29/2004EP1461132A1 Improved conditions for fluid separations in microchannels, capillary-driven fluid separations, and laminated devices capable of separating fluids
09/29/2004EP1461096A1 Rotating compressor
09/29/2004EP1412043A4 Azeotropic distillation of cyclic esters of hydroxy organic acids
09/29/2004CN2643969Y Large-scale cribellum ammonia steaming tower
09/29/2004CN2643968Y Combined carbinol rectifying tower
09/29/2004CN2643967Y Distilling device of flower essential oil
09/29/2004CN1532179A Refining device and method for propenoic acids
09/29/2004CN1532178A Process for separating 2-butanol from tertiary butanol/water mixture
09/29/2004CN1532177A Process for separating 2-butanol from tertiary butanol/ water mixture
09/29/2004CN1532176A Process for separating 2-bulanol from tertiary butanol/water mixtures