Patents
Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025)
01/2003
01/30/2003US20030022069 Method for dehydrating composition comprising lithium bis (pentafluoroethanesulfonyl) imide
01/30/2003US20030019789 Waste plastic melt contacted with nickel or nickel alloy catalyst to be dehydrogenated while being decomposed; subjecting the dehydrogenated and decomposed waste plastic melt to fluid catalytic cracking
01/30/2003US20030019737 Stable distillation of polymerizable compound while inhibiting the polymerization
01/29/2003EP1279429A1 Perforated tray column without downcomer
01/29/2003EP1279428A1 Process and device for introducing a liquid-vapour mixture in radial distribution into a cylindrical distillation column
01/29/2003EP1278702A2 Improved desalination of ocean water
01/29/2003CN1393507A Process for composite solvent for separating arylhydrocarbon by extraction and distillation
01/28/2003CA2099659C Fluid assisted devolatilization
01/23/2003WO2003006378A1 An ultrahigh speed vaporizer for desalinating seawater instantaneously
01/23/2003US20030015094 Slurry tray and slurry tray assembly for use in fractionation towers
01/22/2003EP1198445B1 A method for the separation of and purification of an aqueous mixture consisting of the main components acetic acid and formic acid
01/22/2003CN2531853Y Interflow multi-layer stepwise angle shape material tower board
01/22/2003CN2531852Y Flash distiller
01/22/2003CN2531851Y Multi-purpose distiller
01/22/2003CN2531850Y 蒸馏器 Distiller
01/22/2003CN1391998A Improved sulfur-containing slag treatment system
01/22/2003CN1391971A Separating method for low boiling point organic solvent azeotropic mixture containing excessive water
01/22/2003CN1391970A Fluid dividing mechanism for exchanging volume
01/21/2003US6508936 Process for desalination of saline water, especially water, having increased product yield and quality
01/21/2003US6508917 Method and apparatus for purifying low grade acetonitrile and other constituents from hazardous waste
01/21/2003US6508915 Solution containing nitric acid; absorbing the nitric acid mist contained in the condensed gas; sulfuric acid; semiconductors
01/21/2003US6508459 Distribution apparatus having bubble caps with riser vanes
01/16/2003WO2003005129A1 Method for manufacturing photosensitive resin printing plate, and developer treatment device
01/16/2003WO2003004409A1 Method for the production of a salt-free aqueous hydroxylamine solution
01/16/2003WO2003004407A1 Method for producing an aqueous hydroxylamine solution devoid of salt
01/16/2003WO2003004139A1 Device and method for refining solid material
01/16/2003WO2003004126A2 Azeotropic distillation of cyclic esters of hydroxy organic acids
01/16/2003WO2001093976A3 Microsystem capillary separations
01/16/2003US20030012711 Honeycomb monolith catalyst support for catalytic distillation reactor
01/16/2003US20030011085 Gas-liquid contact tray
01/16/2003US20030011084 Gas-liquid tray
01/16/2003US20030010618 Purification of difluoromethane
01/16/2003US20030010478 Contact tray having tray supported downcomers and methods involving same
01/16/2003CA2440918A1 Azeotropic distillation of cyclic esters of hydroxy organic acids
01/15/2003EP1274741A1 Method and device for removing volatile components from polymer materials
01/15/2003CN1391646A Distillation process for multi-component feed stream
01/15/2003CN1098728C Eddy-current ultragravitational field reactor and its application
01/14/2003US6506284 Reduced-pressure distillation system
01/14/2003US6506281 Method for isolating polymers from solutions
01/14/2003US6505482 Ultra pure nitrous oxide product having a purity of 99.9998% or higher can be delivered to a point of use.
01/13/2003CA2353183A1 Fractionation apparatus with low surface area grid above tray deck
01/09/2003US20030009065 Azeotrope-like compositions of 1,1,1,3,3-pentafluorobutane and hydrogen fluoride
01/09/2003US20030009037 Subjecting linear polyester to a continuous reactive extraction, heating to melt polyester and to cause formation of cyclic ester oligomers, wherein extraction is carried out by a fluid which is one or both of a liquid and a gas
01/08/2003EP1191988A4 Cold distillation method
01/08/2003CN1389448A Method for preventing easy-to-polymerize material from polymerization and preparation method of (methyl) acrylic acid and acrylate
01/08/2003CN1389287A Guide float valve tray
01/08/2003CN1098339C Integrated process for upgrading middle distillate production
01/08/2003CN1098113C Rectifying column for extractive distillation of close-boiling or azeotropic boiling mixture
01/08/2003CN1098112C Suspended downspout
01/07/2003US6502806 Liquid distributor assembly for use in packed column
01/02/2003US20030004387 Working up a mixture comprising alkene and oxygen
01/02/2003US20030004343 Process for the preparation of melamine
01/02/2003US20030001293 Column packing and method for manufacturing the same
01/02/2003US20030001292 Column packing and method for manufacturing the same
01/02/2003US20030000651 Rotating evaporator with process-dependent rotating speed regulation
01/02/2003EP1268708A1 Method and system for continuously preparing gasoline, kerosene and diesel oil from waste plastics
01/02/2003EP1268026A2 Polymer solution preheater and method for preheating such solutions
01/02/2003EP1268024A1 Staged heat and mass transfer applications
01/01/2003CN1097716C Process and installation for separation of a gaseous mixture by cryogenic distillation
01/01/2003CN1097559C Vaporizing and concentration drying apparatus and method
01/01/2003CN1097472C Method for evaporating polymer solutions of thermoplastic polymers
12/2002
12/31/2002US6500310 Distilling to yield clean water, concentrated brine and hydrocarbon rich product
12/31/2002US6500309 Dimensions in reactive distillation technology
12/27/2002WO2002102489A2 Device for separating fluid mixtures
12/27/2002WO2002102488A1 Contact tray having supported downcomers and methods involving same
12/26/2002US20020195727 Mixed-resistance structured packing
12/26/2002US20020195467 Display module for water cooler
12/26/2002US20020195329 Apparatus and methods for removing solvent residues
12/25/2002CN2527328Y Universal device for diesel-oil decoloring and waste engine oil cracking
12/25/2002CN1386560A Reactive distilling apparatus
12/25/2002CN1386559A Circulation evoparator with chamber
12/25/2002CN1096872C Liquid dispenser for oscillating distilling column, and corresponding distilling column
12/24/2002US6498272 Oxidizing acrolein and/or propene, quenching to cool, distilling, cleaving acrylic acid oligomers, condensing
12/24/2002US6498261 Process for improving color and color stability of oleic acid
12/24/2002US6497852 Carbon dioxide recovery at high pressure
12/19/2002WO2002100505A2 Stepped downcomer appartatus and vapor-liquid contact apparatus with same
12/19/2002WO2002100504A2 Distiller for liquids, liquids distillation method and equipment for treating sewage, which equipment includes said distiller
12/19/2002US20020192132 Sulfur-bearing residue treatment system
12/19/2002US20020190403 Stepped downcomer apparatus and vapor-liquid contact apparatus with same
12/19/2002US20020189927 Isolation of a treating fluid or chemical treatment from a treatment column and taking out a formed product by liquefication after evaporation
12/19/2002DE10049916A1 Sea water desalination assembly has inverted cone energy trap and condenser
12/19/2002CA2746624A1 Natural gas liquefaction
12/18/2002EP1266685A1 A method for preventing an easily polymerizable substance from polymerizing and a method for producing (meth)acrylic acid or an ester thereof
12/18/2002EP1266679A1 Improved sulfur-bearing residue treatment system
12/18/2002EP1265944A1 Method for the production of highly pure polycarbonate and ultrapure polycarbonate
12/18/2002EP1265682A1 Method and apparatus for water degasification and distillation
12/18/2002CN1096284C Process for treatment of waste water
12/17/2002US6495045 Solid substance removing device
12/17/2002US6494995 Solar distillation system
12/17/2002US6494440 Gas-liquid contacting tray
12/17/2002CA2225798C Liquid medium extraction purification method
12/17/2002CA2155969C A multiple stage suspended reactive stripping process and apparatus
12/12/2002WO2002098541A1 Two stage flash for hydrocarbon removal
12/12/2002WO2002098529A1 Azeotrope-like compositions of 1,1,1,3,3-pentafluorobutane and hydrogen fluoride
12/12/2002US20020185367 Recycling device of the material to be processed
12/12/2002US20020184784 Device for preparing transformers
12/11/2002EP0726085B1 Internal heat exchange type distillation column
12/11/2002CN1384766A Apparatus and methods for removing solvent resides
12/11/2002CN1384765A Apparatus and method for reducing residual solvent levels
12/11/2002CN1384764A Apparatus and method for separating mixed liquids