Patents
Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025)
05/2005
05/18/2005CN1201840C Tray attachment apparatus
05/17/2005CA2486752A1 Process for the removal of porogens from temperature sensitive macroreticular polymers using steam at reduced pressure
05/17/2005CA2316217C Lower alkyl alcohol recovery from a stripping mixture
05/12/2005WO2005042411A1 Seawater desalination method and device
05/12/2005US20050098425 solvent-recovery systems that uses stills to convert solvent mixtures into vapors that is condensed and recovered in pure form than in the mixture; evaporator vessels
05/12/2005US20050098424 Anti-pressure system
05/12/2005US20050097748 Heat treated devolatilizer nozzle
05/11/2005EP1529028A2 Method for producing ipda with a high cis/trans isomer ratio by distillation
05/11/2005EP1528953A2 Method and device for stripping ammonia from liquids
05/11/2005EP1284928B1 Method for producing concentrated nitric acid and installation for carrying out a method of this type
05/11/2005EP1045727B1 Evaporation process
05/11/2005CN2698432Y Bar shape float valve with tongue holes
05/11/2005CN1613532A Vapor-liquid mixed high-efficient mass transferring tray with liquid-phase zoning cross current flow
05/11/2005CN1200796C Slurry cyclic method
05/11/2005CN1200753C Separation of azeotropic mixture
05/10/2005US6891061 Packed column and polymerizable compound treating method using the same
05/10/2005US6889962 Fluid stream feed device for mass transfer column
05/10/2005US6889961 Method and apparatus for facilitating more uniform vapor distribution in mass transfer and heat exchange columns
05/10/2005US6889508 High pressure CO2 purification and supply system
05/10/2005CA2241112C Catalytic distillation structure
05/06/2005WO2005040085A1 Method and device for distilling easily polymerizabale compound-containing liquid, and method and device for handling easily polymerizable compound-containing liquid
05/06/2005WO2005039731A2 Spinning impingement multiphase contacting device
05/06/2005WO2005039726A1 Fluid distributor for a material and heat exchange column, in particular, a packed column and column provided with such a distributor
05/06/2005WO2005039725A1 Collecting method of liquid medium and collecting system of liquid medium
05/06/2005WO2005027849A3 Rouge free pharmaceutical water for injection (wfi) water system
05/06/2005CA2747029A1 Spinning impingement multiphase contacting device
05/04/2005EP1528096A2 Method for processing multi-component liquid mixtures and device for carrying out said method
05/04/2005EP1527815A1 Process and device for withdrawing unwanted substances from process products and/or autoclave
05/04/2005EP1527061A1 Method for the continuous intermediate separation of the solvent used in the oxirane synthesis with no coupling product
05/04/2005EP1527060A1 Method for the continuous purification by distillation of 1,2-propylene glycol that accumulates during the synthesis of propylene oxide without coupling products
05/04/2005EP1527057A1 Method for the continuous production of propylene glycol
05/04/2005EP1527055A1 Method for the continuous purification by distillation of the solvent methanol, used in the synthesis of propylene oxide
05/04/2005EP1527036A1 Continuous method for separating a c sb 4 /sb cut
05/04/2005EP1527019A1 Thermal water treatment device and method
05/04/2005EP1526904A1 Method for continuously operated pure distillation of oxiranes, especially propylene oxide
05/04/2005CN2696700Y Climbing-film water-distributing evaporator
05/04/2005CN2696699Y Support frame for rotary evaporator
05/04/2005CN1611293A Ultragravity field rotary bed mass transfer and conversion unit
05/04/2005CN1611288A Efficient fluidized catalytic converting steam stripping device
05/04/2005CN1611287A Air lift separator
05/04/2005CN1199933C Device and method for producing (methyl) propenoic acid
05/03/2005US6888013 Preparing an alcoholic or hydro-alcoholic solution of hydrogen peroxide; contacting with an olefin and a buffering agent, in the presence of an epoxidation catalyst suspended in the reaction solvent, to obtain a reaction mixture; treating
05/03/2005US6888006 Method for processing pyrollidone and n-vinyl pyrollidone residues
05/03/2005US6887839 Detergents
05/03/2005US6887700 Process for the enzymatic preparation of enantiopure 1, 3-dioxolan-4-one and 1,3-oxathiolan-5-one derivatives
05/03/2005US6887352 Recovering 1,6-hexanediamine from mixtures including 6-amino-hexanenitrile, 3,4,5,6-tetrahydro-2H-azepine and adiponitrile, using chromatography, while preventing by-products by process control
05/03/2005US6887345 Process and device for evaporating liquids, for example black liquor from cellulose cooking, which contain solid and dissolved substances
04/2005
04/28/2005WO2005037769A1 Method for the distillative separation of mixtures containing ethyleneamines
04/28/2005WO2005037426A1 Conical gas / liquid separator with a stirrer for making a grease
04/28/2005WO2005037396A1 Butadiene recovery process
04/28/2005US20050090703 Continuous recovery of styrene from a styrene-containing mixture
04/28/2005US20050090628 Thermal separating process for removing at least one stream containing enriched (meth) acrylic monomers
04/27/2005CN1610655A Process for producing (meth) acrylic acids
04/27/2005CN1609107A Purification of high-purity triethylenediamine (TEDA) by distillation
04/27/2005CN1608708A Water soluble solvent vegenerating system and method
04/27/2005CN1198866C Method for purifying polycarbonate
04/27/2005CN1198810C Method for producing alkylene oxide
04/27/2005CN1198784C Process for producing low aliphatic caboxylic ester
04/27/2005CN1198673C Apparatus and methods for removing solvent resides
04/27/2005CN1198672C Apparatus for reducing residual solvent levels
04/26/2005US6884325 Sealable lid for vacuum distillation apparatus
04/26/2005US6884324 Column for concentrating phthalic anhydride
04/26/2005US6884284 Apparatus for rectification of liquid mixtures and/or for . . .
04/26/2005US6883788 Shielding of heat exchangers in columns
04/26/2005US6883559 Method and apparatus for gradient generation
04/26/2005CA2335568C Cascade reboiling of ethylbenzene/styrene columns
04/21/2005WO2005035476A1 Recovery method for liquid chemical product in chemical product manufacturing apparatus
04/21/2005US20050085653 Producing acids and hydrogenated acids from greases
04/21/2005US20050082696 Methods and apparatus for mixing fluids
04/21/2005US20050082158 Fluid circuit heat transfer device for plural heat sources
04/21/2005US20050082157 Simple portable mini distillation apparatus for the production of essential oils and hydrosols
04/21/2005US20050082014 Method and equipment for making a complex lithium grease
04/20/2005CN1607973A Purification of organic solvents
04/20/2005CN1197636C Method and appts. for concentrating slurried solids
04/20/2005CN1197635C Reactor still equipment and polystyrene recovery and regeneration method by using said equipment
04/19/2005US6881387 Reactor distribution apparatus and quench zone mixing apparatus
04/14/2005WO2005032687A2 Method for separating volatile components by dilutive distillation
04/14/2005WO2005011861B1 Use of inert, porous materials in order to reduce the salt content in aqueous solutions, and method and device therefor
04/14/2005WO2004085023A8 Low capital implementation of distributed distillation in ethylene recovery
04/14/2005US20050080201 Using adiabatic chemical reactors; circulation loops; controlling temperature; eliminating water vapor
04/14/2005US20050078098 Dynamic rendering of ink strokes with transparency
04/14/2005US20050078097 Dynamic rendering of ink strokes with transparency
04/14/2005US20050077635 Distribution device
04/14/2005DE10341896A1 Mehrphasen-Flüssigkeitsverteiler für einen Rieselbettreaktor Multiphase fluid manifold for a trickle-bed reactor
04/13/2005EP1522337A1 Flat flow evaporator
04/13/2005EP1521722A1 Method for removing water from a mixture containing water and zinc chloride
04/13/2005EP1521623A1 Method for the rectifying separation of fluids containing (meth)acryl monomers
04/13/2005EP1521622A1 Method and device for purifying waste water that is polluted with organic and/or inorganic matter
04/13/2005EP1455932B1 Device for material and/or energy exchange in a wash column
04/13/2005EP1409114B1 Method for cleaning coke oven gas
04/13/2005EP1042040B1 Rectifying column for extractive distillation of close-boiling or azeotropic boiling mixtures
04/13/2005CN1606542A Process to separate butadiene dimers from alkyl pentenoates
04/13/2005CN1606477A Distillation apparatus
04/13/2005CN1606471A Device for material and/or energy exchange in a wash column
04/13/2005CN1606468A 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
04/12/2005US6878342 Apparatus for determining temperance of and controlling the evaporation of liquid samples
04/12/2005US6878265 Process for capturing mercury and arsenic in a distilled hydrocarbon cut
04/12/2005US6878239 Contacting a liquid containing a polymerization inhibitor with the compound directly in the vacuum section of a distillation system; especially for (meth)acrylic acid and (meth)acrylates
04/12/2005US6877725 Vapor/liquid contacting cyclone with secondary vanes
04/07/2005WO2005031060A1 Thermal separation method with a thermoelectrical module