Patents
Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025)
01/2005
01/20/2005US20050014986 Apparatus and process for vaporizing a heavy hydrocarbon feedstock with steam
01/20/2005US20050014970 Storage stability; distillation to remove by-products; reacting acid, hydrogen peroxide in water with acid catalyst
01/20/2005US20050013768 Low-delta p purifier for nitrogen, methane, and argon removal from syngas
01/20/2005US20050011832 Water desalination process using ion selective membranes
01/20/2005US20050011743 Evaporation, condensation system; calibrated nozzle; pressure gradients
01/20/2005US20050011742 Distillation apparatus
01/19/2005EP1498166A1 Method and apparatus for the evaporation of liquids under vacuum
01/19/2005CN2671654Y Methanol regular filler rectifying device
01/19/2005CN2671653Y Rotary valve tower plate
01/19/2005CN2671652Y Distillation tower internal member for reducing back flow
01/19/2005CN1185036C Method for preparing concentrated solution
01/18/2005US6843890 Distilling waste solvent acetonitrile in presence of water for time to allow water extractable impurity, in particular, isopropyl acetate, to be distilled from acetonitrile; producing first acetonitrile-water azeotrope as side draw
01/13/2005WO2005003187A1 Plate column for the separation of monomeric vinyl chloride (vcm) from polyvinyl chloride (pvc) in the suspension process
01/13/2005WO2005003066A2 Distillation of a fischer-tropsch derived hydrocarbon stream
01/13/2005WO2004024282A3 Method and apparatus for simultaneous heat and mass transfer utilizing a carrier-gas
01/13/2005US20050010063 Method and apparatus for waste stream recovery
01/13/2005US20050006219 Liquid phase mixtures; controlling temperature; solid phase, circulating heat exchanger
01/13/2005US20050005772 Multi-phase separation system
01/13/2005US20050005418 Clamp for releasably connecting a column plate to a supporting ring in a column
01/12/2005EP1495029A2 Simultaneous reaction and separation process for the manufacture of dianhydro sugar alcohols
01/12/2005EP1412044B1 System for stripping and rectifying a fluid mixture
01/12/2005EP1112246B1 Microbial process for the preparation of acetic acid as well as solvents for its extraction from the fermentation broth
01/12/2005CN2669951Y Tower steam extracting apparatus
01/12/2005CN2669950Y Open overflow device
01/12/2005CN1564877A Method of removing iron oxide deposits from the surface of titanium components
01/12/2005CN1564823A High boiling inhibitors for distillable, polymerizable monomers
01/12/2005CN1564798A Process for producing (meth)acrylic acids and process for distilling the same
01/12/2005CN1562949A Method for purifying (meth) acrylic acid
01/12/2005CN1562948A Process for producing (meth) acrylic acids
01/12/2005CN1562432A Method for preparing supper clean, and high pure reagent of acid and rectifier unit
01/12/2005CN1184218C Process for distilling ethylene oxide
01/12/2005CN1184147C Water distillation system
01/11/2005US6840304 Evaporator, a heat absorber, a thermal transport system and a thermal transport method
01/06/2005WO2005000776A2 Method and apparatus for production of alkyl aryl ether and diaryl carbonate
01/06/2005US20050004412 Distillation of a Fischer-Tropsch derived hydrocarbon stream
01/06/2005US20050004337 Process for producing a polyfluoroalkyl (meth) acrylate
01/06/2005US20050002485 Method and apparatus of producing organic compound
01/06/2005US20050001341 Reactor for gas/liquid or gas/liquid/solid reactions
01/06/2005US20050001336 Vapor/liquid contacting cyclone with secondary vanes
01/06/2005US20050000902 Intakes; discharging; rinse cycle; polymer bed with drain; reservoirs, compressor, controllers and accumulation pan
01/05/2005EP1493729A1 Process for manufacturing high purity methacrylic acid
01/05/2005EP1493728A1 Process for manufacturing high purity methacrylic acid
01/05/2005EP1493475A1 Reactor for gas/liquid or gas/liquid/solid reactions
01/05/2005EP1492601A1 Method and apparatus for facilitating more uniform vapor distribution in mass transfer and heat exchange columns
01/05/2005EP1390110B1 Liquid distributor in mass transfer column and method of installation and use
01/05/2005EP1096982B1 Process for the treatment of waste water
01/05/2005DE10327617A1 Gas washer column has incoming horizontal pipe at head of column incorporating widener liquid calming zone and twin dispenser outlets
01/05/2005DE10325802A1 Vaporizer for small samples of a liquid sample, e.g. for use in gas chromatography, has a conical vessel, which has a liquid reservoir at the bottom with an inert gas inlet, and across which an electric field can be applied
01/05/2005CN2668215Y Liquid-phase collecting liquid redistributor for separating tower
01/05/2005CN2668214Y In-line liquid collecting-redistributor
01/05/2005CN2668213Y Mass transfer exchange tower for producing nitrogen-15
01/05/2005CN2668212Y Vacuum molecular distilling apparatus
01/05/2005CN1561347A Process and device for manufacturing an aromatic alkylene polymer
01/05/2005CN1561251A Distillation apparatus for readily polymerizable compound
01/05/2005CN1559646A Method for reducing solvent content of material extracted from biomaterial
01/05/2005CN1182901C Purification method and tower, and liquid separating tower tray therefor
01/04/2005CA2342982C Vacuum distillation system and use thereof for concentrating organic-aqueous solvent mixtures
12/2004
12/30/2004US20040267050 Multistage distillation
12/30/2004US20040266974 Method and apparatus for production of alkyl aryl ether and diaryl carbonate
12/30/2004US20040262199 Feeding at least the fraction of the gaseous raw product or the condensate of the gaseous raw product to a distillation column at a feed tray; withdrawing a liquid stream; separating the liquid stream into an aqueous phase and a non-acid chemicals-rich phase; returning the aqueous phase
12/29/2004WO2004113264A2 Method and apparatus for waste stream recovery
12/29/2004EP1490455A1 A process for obtaining high purity phenanthrene and a system thereof
12/29/2004EP1490166A1 Methods and apparatus for mixing fluids
12/29/2004CN1182148C Technology for synthesizing polyester of cane sugar acids with high degree of esterification
12/29/2004CN1182098C Purifier and purifying method for polymerizable organic compounds
12/29/2004CN1182095C Process for production of ether on catalytic distillation tower
12/29/2004CN1181903C Three direction guided valve tower tray
12/29/2004CN1181902C Plate-type chemical tower with low-resistance high-speed fly valve
12/28/2004US6835287 Apparatus, method for enrichment of the heavy isotope oxygen and production method for heavy oxygen water
12/23/2004WO2004110965A1 Process for the production of alkzbenzene with ethane stripping
12/23/2004WO2004110936A2 Distillation method and device, in particular for producing potable water
12/23/2004US20040260122 Process for producing (meth)acrylic acids and process for distilling the same
12/23/2004US20040256212 Medicine feeder
12/23/2004CA2528940A1 Insulated transition spool apparatus
12/23/2004CA2528244A1 Distillation method and device, in particular for producing potable water
12/22/2004EP1487554A2 Methods for treating deodorizer distillate
12/22/2004EP1487553A1 A compact rectifying unit for separation of mixed fluids and rectifying process for separation of such mixed fluids
12/22/2004EP0983109B1 Spent caustic (pre)treatment process
12/22/2004CN1556727A Method for controlling the process of separating mixtures containing several substances
12/22/2004CN1555902A Thermosensitive material intermittent rectifying process having side material output and tower kettle cold material storage
12/22/2004CN1181520C Method and device for regeneration of waste solvent
12/22/2004CN1180873C Microfiltration using activated carbon
12/22/2004CN1180865C Distillation appts. and distillation process
12/21/2004US6833415 Continuous slurry polymerization process and appparatus
12/21/2004US6833056 Desalination method and desalination apparatus
12/21/2004US6832754 Gas-liquid contactor
12/16/2004WO2004094039A3 Filtration, flow distribution and catalytic method for process streams
12/16/2004US20040254412 alkylation of aromatic hydrocarbons with acyclic unsaturated hydrocarbons, in the presence of alkylation catalyst and distilling; chemical intermediates
12/16/2004US20040254398 Stabilizes operation of a distillation column upon production of aliphatic carboxylic acid by reducing a water content in an aqueous aliphatic carboxylic acid solution by a distillation column
12/16/2004US20040254389 Continuous isolation of an organometallic compound such as trimethylindium from a liquid feedstock, which is delivered to a distillation column having two heating zones to effect dissociation thereby liberating the organometallic compound which is collected as a vapour from the top of column
12/15/2004EP1486482A1 Process for producing a polyfluoroalkyl (meth)acrylate
12/15/2004CN1554462A Permeable gas/liquid mass transfer method and device
12/15/2004CN1179774C Extraction and distillation process of separating-2-chloro-5-methylpyridine and 2-chloro-3-methylpridine
12/15/2004CN1179773C Tower plate with defrosting guide structure and no back mix
12/15/2004CN1179772C Linearly liquid collecting redistributor
12/15/2004CN1179771C Fluidic jet guiding elements for deflection
12/14/2004US6830682 For desalination of salt water and purification of polluted water
12/14/2004US6830661 Point of use water purification method and apparatus
12/14/2004US6830608 Apparatus for contacting large volumes of gas and liquid across microscopic interfaces
12/14/2004US6830607 Polyvinylchloride slurry being stripped in a column, or fractionation column, to remove residual vinyl chloride; discoloration inhibition