Patents
Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025)
06/2004
06/02/2004EP1424435A2 Method of reducing nitrogen oxide emissions in a chemical pulp mill
06/02/2004EP1424115A1 Process for the esterification of a fatty acid
06/02/2004EP1292558B1 The method of chemical recycling of polyethylene terephthalate waste
06/02/2004CN1501889A Wastewater treatment process for treating organics containing nitrogen
06/02/2004CN1501835A Self-supporting reactor internal
06/02/2004CN1151965C Method for distilling ammonia
06/01/2004CA2347355C Reactor distribution apparatus and quench zone mixing apparatus
06/01/2004CA2342274C Hinged downcomer weir and downcomer vapour/liquid gates for increasing stability of tray tower operation and structure
05/2004
05/27/2004WO2004043566A2 Distillation with vapour pressurization
05/27/2004US20040102593 Copolymers, devoid of rubber,with low residual monomer content and a method and device for producing the same
05/27/2004US20040099970 Tray column with deentrainment packing below the tray
05/27/2004US20040099969 Bolted collector for vapor liquid contacting vessel
05/27/2004US20040099522 Purification of liquids; preheating, separation, evaporation, compression, discharging of impurities
05/27/2004US20040099521 Liquid ring pumps with hermetically sealed motor rotors
05/27/2004DE10332758A1 Thermal separation process for the separation of at least one (meth)acrylic monomer enriched material stream comprises use of a device having separate volume elements and defined residence time
05/27/2004DE10252870A1 Volumenzähler für Verschlussbrennerei Volume meter for distillery
05/26/2004EP1420867A2 Process for the process management of an extractive distillation plant, process control system and extractive distillation plant
05/26/2004EP1420866A1 Multiple-chamber device for fractionated evaporation and separation of a solution
05/26/2004EP1214279B1 Method for utilizing heat in the production of 1,2-dichloroethane
05/26/2004EP1087827B1 Liquid-phase adsorption process for removing and concentrating heteroatom compounds in hydrocarbons
05/26/2004EP0963225B1 Distillation process with reduced fouling
05/25/2004US6740586 Vapor delivery system for solid precursors and method of using same
05/25/2004US6740206 Rotary evaporator with a pendulum system with an offset fulcrum
05/25/2004US6740205 Processing of shipboard wastewater
05/25/2004US6739585 Multiple downcomer fractionation trays having liquid distribution devices
05/25/2004US6739073 Method and apparatus for performing multiple cleaning and vacuum drying operations in enclosed vessels
05/21/2004WO2004041426A1 Mixing device for two-phase concurrent vessels
05/21/2004WO2002067680A8 Compositions and methods for insect control
05/20/2004US20040097756 Hydraulically sealed crossflow mass transfer tray
05/20/2004US20040094460 Device for separating fluid mixtures
05/19/2004EP1420230A2 Volume meter for a distillery plant
05/19/2004EP1305276B1 Method for producing tertiary c4-c8-alkyl esters of (meth)acryl acid
05/19/2004CN1496985A Preparation method of e-caprolactone
05/19/2004CN1496978A Method for purifying toluene vulcabond by recuperative distilling tower for final purifying
05/19/2004CN1496760A Purification device and method
05/19/2004CN1496751A Device in reaction process distilling tower
05/19/2004CN1150157C Purfication of (methyl)acrylic acid hydroxy alkyl ester
05/18/2004US6736378 Contact tray having tray supported downcomers
05/13/2004WO2004039471A1 Improvements relating to the use of flasks in centrifugal evaporators
05/13/2004WO2004039470A2 Temperature sensing in centrifugal evaporators
05/13/2004WO2003010260A9 Method and apparatus for processing vegetable oils
05/13/2004US20040092707 Method for the processing of a liquid reaction discharge of the cationic polymerization of isobutene
05/13/2004US20040089586 C-nitrosoaniline compounds and their blends as polymerization inhibitors
05/12/2004EP1417288A1 Method and apparatus for processing vegetable oils
05/12/2004EP1417209A1 High boiling inhibitors for distillable, polymerizable monomers
05/12/2004EP1417015A1 Column plate
05/12/2004EP1017488B1 Countercurrent reactor
05/12/2004CN2614781Y Lab-purpose pressure reducing distillation tower
05/12/2004CN1495251A Method for replacing oil in a complete set of deodorization equipment for treating fatly oil
05/12/2004CN1149122C Catalytic distillation process
05/11/2004US6734282 Method and device for separating solids from polymer solutions
05/11/2004US6733637 Process for producing ultra-high purity isopropanol
05/11/2004US6732448 Device for preparing transformers
05/06/2004WO2004038031A1 Apparatus for the production of alcohol
05/06/2004WO2003074959A3 Structure for multiple-effect distillation using tubes or plates
05/06/2004WO2002050159A9 Method for continuos production of polyesters or copolyesters
05/06/2004US20040087804 Process for producing epsilon-caprolactone
05/06/2004US20040084357 Apparatus and method for water purification using solar energy
05/06/2004US20040084295 Separation by distillation; redistilling overhead, purification; nontoxic, zero ozone depleting potential; solvents, blowing agents, refrigerants, cleaning compounds, aerosols, propellants
05/06/2004US20040084156 Desalination of ocean water
05/06/2004US20040083965 Vapor delivery system for solid precursors and method of using same
05/06/2004EP1415694A1 Device in a column for a technical process
05/06/2004EP1414869A1 Process and device for manufacturing an aromatic alkylene polymer
05/06/2004EP1094873B1 Method for isolating polymers from solutions
05/06/2004EP0956890B1 Method for distilling a mixture of substances and device for realising the same
05/06/2004DE10347695A1 Mehrstufiges Vakuumdestillations-, Vakuumkühl- und Vakuumgefrierverfahren und Apparate für die Lösungsabscheidung und Meerwasser-Entsalzung A multi-stage vacuum distillation, vacuum Vakuumkühl- and freezing process and apparatus for the deposition solution and seawater desalination
05/05/2004CN2614079Y Strong acidity catalyst stuffing
05/05/2004CN1494563A Mfg. of cyclic ester oligomers
05/05/2004CN1494513A Preparation method of nano grade powder
05/05/2004CN1494374A Preparation of compositions comprising bacterial strains and volatile plant extracts and therapeutic and industrial applications thereof
05/05/2004CN1493381A Fractional distillation tower mass transfer construction member
05/05/2004CN1148246C Liquid distribution in contact device
05/04/2004CA2097478C Process for the production of acetic acid
04/2004
04/29/2004WO2004035168A2 Method and system for desalinating water with solar energy
04/29/2004WO2003037799A9 Point of use water purification method and apparatus
04/29/2004WO2002043649A8 Preparation of compositions comprising bacterial strains and volatile plant extracts and therapeutic and industrial applications thereof
04/29/2004US20040082492 For cleaning gas or air in humidifier of process gases, gas scrubbers or exhaust air scrubbers
04/29/2004US20040080059 Vapor-liquid contact trays and method employing same
04/29/2004US20040079629 Distillation and recycling treatment device
04/29/2004US20040079491 Evaporative process for the reconstitution of glycol bearing deicing fluids
04/29/2004DE10249027A1 Anlage zur Herstellung von Alkohol Plant for the production of alcohol
04/28/2004EP1413571A1 Process for the purification of toluenediisocyanate incorporating a dividing-wall distillation column for the final purification
04/28/2004EP1413343A1 Liquid-to-gas contact device
04/28/2004EP1413342A1 Process for producing epsilon-caprolactone
04/28/2004EP1412345A1 Method for treating a product stream containing vitamin e acetate
04/28/2004EP1412044A1 System for stripping and rectifying a fluid mixture
04/28/2004EP1412043A2 Azeotropic distillation of cyclic esters of hydroxy organic acids
04/28/2004EP1412042A2 Improved falling-film evaporator for separating substance mixtures
04/28/2004EP1303345B1 Method for removing acid gases from a fluid, and washing liquid for use in one such method
04/28/2004EP1159249B1 Fractional condensation of a product gas mixture containing acrylic acid
04/28/2004CN1492850A Azeotropic distillation process
04/28/2004CN1492774A 共沸蒸馏方法 Azeotropic distillation method
04/28/2004CN1492206A Falling liquid film evaporator with steam-liquid separator
04/28/2004CN1491734A Impact leakage preventing device of suspending downspout column plate
04/28/2004CN1147339C Liquid dispenser for non-vertical distilling column, and distilling column equipped therewith
04/22/2004WO2004033407A2 Process for producing carboxylic acid and system for producing the same
04/22/2004WO2004033065A1 Two-phase distribution apparatus and process
04/22/2004US20040074758 Continuous process for recovering acetone from a waste stream from an acetone purification stage, whereas said waste stream comprises mesityl oxide and optionally acetone by separating the waste stream in a separating device at least in one
04/22/2004US20040074757 Method and apparatus for phase change enhancement
04/22/2004CA2445209A1 Process for the purification of toluenediisocyanate incorporating a dividing-wall distillation column for the final purification