Patents
Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025)
09/2002
09/18/2002EP0909204B1 Catalytic distillation process
09/18/2002CN1370139A Method for producing phthallic anhydride according to specifications
09/18/2002CN1090990C Catalytic rectifying tower
09/17/2002US6451173 Separator system
09/12/2002WO2002070410A2 Quench water pretreat process
09/12/2002WO2002070409A1 Process for producing nanometer grade powders
09/12/2002WO2002070120A1 Self-supporting reactor internal
09/12/2002WO2002070100A1 Rotary evaporator employing self-driven recirculation
09/12/2002US20020127160 Polyfunctional sub-assembly for contact, material distribution and heat and/or material exchange of at least one gas phase and at least one liquid phase
09/12/2002US20020124728 Method and apparatus for preventing iron contamination in corrosive service
09/12/2002DE10135585C1 Process for recovering a pure aromatic fraction containing benzene, toluene and xylenes from refinery streams by extractive distillation, comprises processing solvent and process mixtures
09/12/2002CA2439544A1 Self-supporting reactor internal
09/12/2002CA2439485A1 Process for producing nanometer grade powders
09/11/2002EP1237842A1 Method and apparatus for the continuous production of diaryl carbonates
09/11/2002EP1237835A2 Continuous process for the preparation of polytrimethylene ether glycol
09/11/2002EP1237638A2 Method and apparatus for purifying low grade acetonitrile and other constituents from hazardous waste
09/11/2002CN2510140Y Serial-type catalyzing distilling apparatus
09/11/2002CN1368897A New design of reactive distillation technology
09/11/2002CN1090531C Packing for counter flow high pressure column
09/10/2002US6446440 Steam injection and inlet fogging in a gas turbine power cycle and related method
09/06/2002WO2002068520A1 Biocidal plastics internal elements for mass transfer apparatus
09/06/2002WO2002068496A1 Manufacture of cyclic ester oligomers
09/06/2002WO2002068375A1 Azeotropic distillation process
09/06/2002WO2002068337A1 Method and device for treating liquids
09/06/2002WO2002068083A1 Azeotropic distillation method
09/06/2002WO2002068082A1 Parallel functioning distillation columns within single column structure
09/06/2002WO2002067680A1 Compositions and methods for insect control
09/06/2002WO2002033025A3 C-nitrosoaniline compounds and their blends as polymerization inhibitors
09/06/2002CA2437562A1 Manufacture of cyclic ester oligomers
09/06/2002CA2435265A1 Compositions and methods for insect control
09/05/2002US20020121711 Parallel functioning distillation columns within single column structure
09/04/2002CN1367241A Method for raising alcohol slops concentration
09/04/2002CN1090055C Cloth or cloth-like packing which is subject to low pressure losses and has ordered structure for use in material-exchange columns and rectification method using such packing
09/04/2002CN1090054C Distillation tower using wall-flow-reducing structural filler
09/03/2002US6444180 Reactor for two-phase reactions, in particular for urea synthesis at high pressure and temperature
09/03/2002US6444095 Evaporator, a separator vessel, product pumps, and a solids removal system, oil and natural gas wells
09/03/2002CA2272484C Operable and efficient distillation schemes for multicomponent separations
09/03/2002CA2099658C Water assisted devolatilization
08/2002
08/29/2002WO2002066691A2 Sieve tray column and process for recovery of metal value
08/29/2002WO2002066455A1 A process for the separation of an aqueous mixture of trioxane and formaldehyde and corresponding applications
08/29/2002WO2002066134A1 An adapter for rotary vacuum evaporation
08/29/2002WO2002043649A3 Preparation of compositions comprising bacterial strains and volatile plant extracts and therapeutic and industrial applications thereof
08/29/2002CA2439220A1 Apparatus and process for recovery of metal values
08/28/2002CN1365964A Improved production method of unsaturated carboxylic ester
08/27/2002US6442513 Component mapper for use in connection with real-time optimization process
08/27/2002US6441252 Apparatus for producing phenol using reactive distillation
08/27/2002US6441228 Apparatus and process for producing (meth)acrylic acid
08/27/2002US6440299 Process for removal of mercaptans from hydrocarbon streams
08/27/2002US6440298 Thermocracking, condensing, separation and recovering light oils from heavy oils; reducing impurities and lowering viscosity; reuse as heating fuels and diesel fuels
08/27/2002US6440057 Method for producing fatty acid methyl ester and equipment for realizing the same
08/22/2002WO2002064539A2 Method for the production of phthalic anhydride to a specification
08/22/2002WO2002064533A1 Obtaining anthracene and carbazole by melt-crystallization
08/22/2002WO2002050016A3 Process for the simultaneous coproduction and purification of ethyl acetate and isopropyl acetate
08/22/2002WO2000023405A9 Alkylation of benzene to form linear alkylbenzenes using fluorine-containing mordenites
08/22/2002WO2000023404A9 Alkylation of benzene to form linear alkylbenzenes using fluorine-containing mordenites
08/22/2002US20020113095 Method and apparatus for gradient generation
08/22/2002US20020112993 Reducing the amount of energy required to fractionate a liquid hydrocarbon fraction by splitting the liquid feed into an upper feed portion and a lower feed portion which is preheated to reduce the total heat required for reboiling
08/22/2002US20020112361 Continuous process and apparatus for the drying and gel formation of solvent-containing gel-forming polymers
08/22/2002CA2433000A1 Isolation of anthracene and carbazole by melt-crystallization
08/21/2002EP1233012A1 Method for producing phthalic anhydride according to specifications
08/21/2002EP1232199A1 Method for purification of aromatic polyethers
08/21/2002EP1232137A1 Purification of aqueous solutions of organic acids
08/21/2002EP1231991A2 Catalytic distillation reactor
08/21/2002CN1365296A An apparatus for evaporative cooling of a liquid form product
08/21/2002CN1089269C Catalytic distilaltion structure
08/20/2002US6436368 Process for preparing beclomethasone dipropionate freon® clathrate
08/20/2002US6436245 Apparatus for the purification of organic compounds containing readily-blocking substances and process thereof
08/20/2002US6436242 Device and method for distilling water
08/20/2002CA2137771C Method and apparatus for refrigerant reclamation
08/15/2002WO2002062733A1 Method for recovering crude 1,3-butadiene by extractive distillation from a c4 cut
08/15/2002WO2002062704A2 Method for quantitative production of gaseous ammonia
08/15/2002WO2002040439A3 Method for the continuous production of aromatic carbonates
08/15/2002US20020111714 Centrifugal evaporator
08/15/2002US20020111441 Continuously separating polymer solids from a liquid medium, drying the polymer, recovering the inert diluent and unreacted monomers for reuse in the polymerization
08/15/2002US20020108721 Continuous method of making silicone emulsions having low residual volatile siloxane oligomer content
08/14/2002EP1231234A2 Continuous method of making silicone emulsions having low residual volatile siloxane oligomer content
08/14/2002EP1230202A1 Method for producing 4-chlorobiphenyl and 4-chlorobiphenyl-specific specifications
08/14/2002EP1230168A1 Method and device for treating leachates produced by storage of waste
08/14/2002EP1030818B1 Process for purifying perfluorinated products
08/14/2002DE10106664A1 Verfahren zur Herstellung von spezifikationsgerechtem Phthalsäureanhydrid Process for the preparation of on-spec phthalic anhydride
08/14/2002DE10105660A1 Verfahren zur Gewinnung von Roh-1,3-Butadien durch Extraktivdestillation aus einem C4-Schnitt A process for recovering crude 1,3-butadiene by extractive distillation of a C 4 cut
08/14/2002DE10103441A1 Verfahren und Vorrichtung zur Synthese von lösemittelhaltigen Stoffgemischen Method and apparatus for the synthesis of solvent-containing mixtures
08/14/2002DE10103208A1 Gewinnung von Anthracen und Carbazol durch Schmelzkristallisation Of anthracene and carbazole by melt crystallization
08/14/2002CN2505150Y Nozzle baffle type tower plate
08/14/2002CN1364152A Method for the continuous production of methyl formiate
08/13/2002US6432276 Forming ethanol, acidification and depolymerization
08/13/2002US6431528 Apparatus for removing impurities in liquid
08/13/2002CA2229973C Method of inhibiting scaling in black liquor evaporators
08/08/2002WO2001081503A3 Fischer-tropsch wax and hydrocarbon mixtures for transport
08/08/2002US20020107355 Method for the continuous production of aromatic carbonates
08/08/2002US20020104644 Method for cooling heating grade heat exchanger in unsteady state
08/08/2002DE10108242C1 Rotationsverdampfer mit Pendelsystem mit verlagertem Drehpunkt Rotary evaporator with pendulum system with verlagertem fulcrum
08/08/2002DE10104231A1 Verfahren zur enzymatischen Herstellung von enantiomerenreinen 1,3-Dioxolan-4-on-Derivaten Process for the enzymatic preparation of enantiomerically pure 1,3-dioxolane-4-one derivatives
08/07/2002EP1229127A1 Method for the enzymatic preparation of enantiomerically pure derivatives of 1,3-Dioxolan-4-one and 1,3-Oxathiolan-5-one
08/07/2002EP1229000A2 Process for purifying perfluorinated products
08/07/2002CN2503959Y Catalyst distillation plant
08/01/2002WO2002059047A1 Apparatus for purification of water
08/01/2002WO2002030539A3 Device for continuously vaporizing small quantities of a liquid
08/01/2002US20020102182 Water line decontamination system
08/01/2002US20020102181 Applying an electric charge to an object within the flow path of a fluid stream, wherein fluid stream contains contaminants; flowing fluid stream past electric charge; and, adjusting magnitude of electric charge while continuing flowing step