Patents
Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025)
10/2001
10/30/2001US6309553 Phase separator having multiple separation units, upflow reactor apparatus, and methods for phase separation
10/30/2001US6309513 Desalination of seawater by evaporation in a multi-stack array of vertical tube bundles, with waste heat
10/25/2001WO2001079381A1 Method for obtaining a highly pure aromatic product consisting of benzene and toluene or toluene and xylene from a close-boiling or constant-boiling intermediate product containing non-aromatics and installation for carrying out this method
10/25/2001WO2001079264A1 PROCESS FOR PRODUCING α-L-ASPARTYL-L-PHENYLALANINE METHYLESTER HYDROCHLORIDE
10/25/2001WO2001023061A3 Recovery process for volatile compounds from solids in aqueous solution
10/25/2001WO2001021605A3 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
10/25/2001US20010032804 Fractionator with liquid-vapor separation arrangement
10/24/2001EP1147809A1 Device incorporating an anti-splash element for distributing a multi-phase mixture on to a bed of solid granules
10/24/2001EP1147808A1 Multifunctional partial assembly which ensures the contact, distribution and heat and/or material exchange in at least one gaseous phase and one liquid phase
10/24/2001CN2455327Y Autoamtic water evaporator
10/24/2001CN1318533A Production method and refinishing equipment of polymerizable matter
10/24/2001CN1073574C Apparatus and method for removing residual monomers
10/24/2001CN1073541C Process for separation of dimethyl ether and chloromethane in mixtures
10/24/2001CN1073539C Two-step process for alkylation of benzene to form linear alkylbenzenes
10/23/2001US6306263 Introducing a mixture of the glycol ether ester and impurities into a fractional distillation column; introducing stream of liquid water stripping component into column; heating to vaporize and removing vapor stream comprised of impurities
10/18/2001WO2001077027A1 Leachate treatment and disposal process and apparatus
10/18/2001WO2001027120A3 Method and apparatus for purifying low grade acetonitrile and other constituents from hazardous waste
10/18/2001US20010030374 Gas-liquid contacting tray
10/18/2001US20010030373 Gas-liquid tray
10/18/2001US20010030120 Distilaltion; tray on support ring
10/18/2001DE3522607C2 Verfahren zur Vakuumrotationsverdampfung, sowie Vorrichtung zur Durchführung dieser Verfahren A process for vacuum rotary evaporation, as well as apparatus for carrying out this method
10/18/2001DE10016894A1 Verfahren und Vorrichtung zur Entfernung flüchtiger Bestandteile aus Polymermassen Method and apparatus for removing volatile components from polymer compositions
10/18/2001DE10011328A1 Separation of mixture containing water, methanol and one or several organic substances by distillation with additional water or methanol injected into column
10/17/2001EP1144066A1 Dehydration process
10/17/2001CN1318049A Lactam dehydration method
10/17/2001CN1318034A Method for distilling ammonia
10/17/2001CN1317450A Devil liquor treatment process and appts. for same and washing appts. using such appts.
10/16/2001US6303006 System and method for distilling liquid
10/16/2001US6303005 Process and device for producing high-purity liquid chemicals
10/11/2001WO2001074721A2 Improved desalination of ocean water
10/11/2001US20010028121 Liquid distributor assembly for use in packed column
10/11/2001US20010028054 Extraction
10/11/2001US20010027858 Liquid gas manifold for a matter and/or heat exchange column, and column using such a manifold
10/11/2001DE10116330A1 Trennsäule und Verfahren zur Kryotrennung von Gasgemischen Separation column and method for cryogenic separation of gas mixtures
10/11/2001DE10116329A1 Verteiler für Flüssigkeiten und Gase und Säule für Material- oder Wärmeaustauschprozesse Distributor for liquids and gases and column for material and heat exchange processes
10/10/2001EP1142630A2 A effluent treating method, an effluent treating apparatus, and a cleaning apparatus using the same
10/10/2001EP1096992A4 Vapor/liquid contacting cyclone with devices to prevent backmixing
10/10/2001EP0678116B1 Process for recovery of tank bottom wastes
10/10/2001CN1316987A Microbial processf or preparation of acetic acid as well as solvent for its extraction from fermentation liquid
10/10/2001CN1316914A Process for simultaneous treatment and fractionation of light naphtha hydrocarbon streams
10/09/2001US6300497 Method for separating an azepine derivative from a mixture containing an amine and an azepine derivative
10/09/2001US6299845 To improve contacting and lower pressure drops it has been preferred to incorporate the catalytic material into a structured packing material.
10/09/2001US6299736 Process for recovering γ-butyrolactone from a mixture of heavy organics
10/09/2001US6299735 An array of sonic hydraulic nozzles for injecting a mixture of water with dissolved or suspended particulate into a chamber to form a continuous spray of spherical droplets.
10/09/2001US6299146 Retangular suspending downcomer directing tray
10/04/2001WO2001072639A1 Water desalting apparatus
10/04/2001WO2001072638A1 Desalination device
10/04/2001WO2001072393A1 Staged heat and mass transfer applications
10/04/2001CA2390067A1 Staged heat and mass transfer applications
10/03/2001CN1315216A Vacuum oil filter
10/02/2001US6297415 Catalytic distillation in which a heterogeneously catalyzed reaction is combined with a simultaneous distillation over catalyst packing comprising a catalyst vapor deposited or sputtered onto woven, knitted or sheet of catalyst support
10/02/2001US6297353 Recovering neutral particles from solution; neutralize preferential pitch, dehydrate neutralized solution current, feed dehydrated current to chromatagraphy column, distill current, recover distillate current, recover residue current
10/02/2001US6296739 Operation of heads column
10/02/2001CA2032199C Fluid distributor for heat and material exchanges columning especially lined column, and column equipped therewith
09/2001
09/27/2001WO2001070906A1 Method and system for continuously preparing gasoline, kerosene and diesel oil from waste plastics
09/27/2001WO2001070367A2 Polymer solution preheater and method for preheating such solutions
09/27/2001DE10019196C1 Recovery of pure benzene, toluene or toluene and xylene from aromatic fraction containing non-aromatics uses on column with main zone of 2 parallel chambers for extractive distillation and extractant recovery
09/26/2001EP1135451A1 Removal of soot in a gasification system
09/26/2001EP0812345B1 Method for selective hydrogenation of a distillation cut of hydrocarbons
09/26/2001CN2449778Y Flash distillation tower capable of heating
09/26/2001CN2449777Y Distillation heater
09/26/2001CN1071590C Catalytic distilling process
09/25/2001US6294689 Methods for removing catalyst after oxidation of hydrocarbons
09/25/2001US6294684 Introducing reactant streams containing dialkyl carbonate, aromatic alcohol and transesterification catalyst to distillation to produce alkyl aryl carbonate and alkyl alcohol; recovering, distillation; recycling
09/25/2001US6294076 Fischer-Tropsch wax and hydrocarbon mixtures for transport (law938)
09/25/2001US6294056 Uniformly distributing a supply liquid in a distillation tower over horizontal cross sectional area area in distillation tower to prevent polymerization in distillation tower for distillating (meth)acrylic acid or esters
09/25/2001US6294054 Water purification system
09/25/2001US6294053 Liquid dispenser for oscillating distilling column, and corresponding distilling column
09/25/2001US6293528 Fractionation apparatus with low surface area grid above tray deck
09/25/2001US6293526 Liquid distributor for packing columns
09/20/2001WO2001068581A2 The method of chemical recycling of polyethylene terephthalate waste
09/20/2001WO2001068215A1 Rectifying separation of organic substances from water/methanol mixtures by addition of methanol or water
09/20/2001WO2001068214A1 Method and apparatus for water degasification and distillation
09/20/2001CA2691933A1 Production of fluoromethyl 2,2,2-trifluoro-1-(trifluoromethyl) ethyl ether
09/20/2001CA2403374A1 The method of chemical recycling of polyethylene terephthalate waste
09/19/2001EP1133340A1 Counterflow stripping tube
09/19/2001EP0989952B1 Method for producing highly pure aqueous hydroxylamine solutions
09/19/2001CN1313788A Process and catalyst for making dialkyl carbonates
09/19/2001CN1071299C Process of extracting phenols from phenolcontaining waste water by means of solvent mixture
09/18/2001US6291734 Integrated low pressure depropanizer/debutanizer column
09/18/2001US6291719 Catalyzing etherification, esterification, hydration, ether cleavage, isomerization alkylation which are catalyzable with acid or molecular sieve catalyst using dual functional catalyst comprising molded cylindrical pellets
09/18/2001US6290820 Apparatus and method for concentrating a dilute solution
09/18/2001US6290819 Distillation apparatus
09/13/2001WO2001067015A1 Hydraulically balanced fully thermally coupled system
09/13/2001WO2001066213A1 Liquid distributor and method for operating the same
09/13/2001US20010021786 Reacting a dialkyl carbonate and an aromatic alcohol
09/13/2001US20010021362 Controlling temperature
09/13/2001US20010020368 Vapour lead-through system for a rotary evaporator, and a rotary evaporator
09/13/2001DE4336985C2 Kolonne zum Durchführen thermischer Trennungen und/oder chemischer Reaktionen Column for performing thermal separation and / or chemical reactions
09/13/2001DE10010810A1 Liquid distributor used in packing columns for distillation, absorption, gas scrubbing and other similar technical processes has at least one layer in a column with a specific surface area larger than the layer lying above and below it
09/13/2001CA2390014A1 Hydraulically balanced fully thermally coupled system
09/12/2001EP1132125A1 Method for controlling the absorbent concentration at a decarboxylation facility and system therefor
09/12/2001EP1131711A1 Component mapper for use in connection with real-time optimization process
09/12/2001EP1131144A2 A process for separating a multi-component pressurized feed stream using distillation
09/12/2001EP1087827A4 Liquid-phase adsorption process for removing and concentrating heteroatom compounds in hydrocarbons
09/12/2001EP1030826A4 Method for carrying out heterogeneous catalysis
09/12/2001EP0991785B1 A method and a device for recovering metals comprising dissolving , concentrating and electrowinning means with rotatable cathode
09/12/2001EP0958101A4 Apparatus and method for tray valve attachment
09/12/2001EP0951344A4 Method and apparatus for fluid contact
09/12/2001EP0810898B1 Vaporizer and liquid delivery system using same