Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025)
11/2003
11/12/2003EP1361203A2 Process for manufacturing high purity methacrylic acid
11/12/2003EP1359989A2 Quench water pretreat process
11/12/2003CN1454887A Method for preparing high-purity methyl-propenoic acid
11/12/2003CN1127562C Deodorisation plant for fatty oils
11/12/2003CN1127365C Rotary packed tower
11/11/2003US6646134 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
11/11/2003US6645350 Dividing wall column fractionation tray
11/06/2003WO2003091163A2 Cogeneration wasteheat evaporation system and method for wastewater treatment utilizing wasteheat recovery
11/06/2003WO2003068359A3 Reaction column in a special combination with a natural circulation evaporator
11/06/2003US20030206810 Method of compressing gaseous hydrocarbon-containing medium
11/06/2003US20030205451 Process for manufacturing high purity methacrylic acid
11/06/2003US20030205335 Apparatus and method for forming polymer crumb
11/05/2003EP1358920A1 Process and apparatus for a non-adiabatic rectification without a reflux
11/05/2003CN2584278Y Vapour-liquid distributor of packed tower
11/05/2003CN2584263Y Distillation recovery treatment device
11/05/2003CN1454181A Method for producing concentrated nitric acid and installation for carrying out a method of this type
11/04/2003US6641700 Purifying apparatus possessing vapor dispersing device
10/2003
10/30/2003WO2003089445A2 Simultaneous reaction and separation process for the manufacture of dianhydro sugar alcohols
10/30/2003WO2002012803A8 Improved aqua-ammonia absorption system generator utilizing structured packing
10/30/2003US20030204031 Continuous slurry polymerization volatile removal
10/30/2003DE10203323C1 Material exchanger apparatus, for separating gas-liquid mixtures by absorption and rectification, has plate types in pairs and connected together as tubes and run-off shafts
10/29/2003EP1355730A1 Fluid path control element for fluid processing module
10/29/2003EP1165499B1 Improved process for the recovery of acrylonitrile and methacrylonitrile
10/29/2003CN2582715Y Fractional distillation column product pump
10/29/2003CN2582714Y Fractional distillation column mass transfer constructional element
10/29/2003CN2582713Y New type liquid flash evaporation tank
10/29/2003CN1452616A Integrated process for preparation of olefin oxides
10/29/2003CN1451460A Solvent separating device and cleaning system with said device
10/28/2003US6640161 Method for operating a steam stripped fractionation column
10/28/2003US6640052 Dual temperature water dispensing device
10/28/2003US6638397 Simplified automated distillation system for recovering a solvent from a liquid mixture
10/28/2003CA2345873C Purification of nitrogen trifluoride by continuous cryogenic distillation
10/23/2003US20030199645 Continuously separating polymer solids from liquid medium, drying polymer, and recovering diluent and unreacted monomers with reduction in compression needed for diluent vapor condensation to liquid diluent for reuse in process
10/22/2003EP1354855A2 A salt water desalination process using ion selective membranes
10/22/2003EP1353890A1 Obtaining anthracene and carbazole by melt-crystallization
10/22/2003EP1003699B1 Purification of difluoromethane by extractive distillation
10/22/2003EP0901481B1 Purification of glycidyl esters by thin film evaporation
10/22/2003CN2581060Y Rotary bed ultragravity multi-phase reactor
10/22/2003CN1451034A Method and system for continuously preparing gasoline kerosene and diesel oil from waste plastics
10/22/2003CN1450932A Method and device for resonance excitation of fluids and method and device for fractionating hydrocarbon liquids
10/22/2003CN1449902A Heating crystallizing device for thermoplastic polymer fragment
10/22/2003CN1125301C Falling film evaporator with vapor-liquid separator
10/21/2003US6635151 Refluxing aqueous mixtures of caprolactam and ammonia from cyclization of aminocapronitrile, to remove water
10/21/2003US6635149 Water purification system
10/21/2003US6635148 Method for refining easily polymerizable matter-contained substance and apparatus therefor
10/16/2003WO2003084630A1 Method and apparatus for facilitating more uniform vapor distribution in mass transfer and heat exchange columns
10/16/2003US20030193099 Increased efficiency fractional distillation tray
10/15/2003EP1352124A1 Process and device for evaporating liquids, for example black liquor from cellulose cooking, which contain solid and dissolved substances
10/15/2003EP1351909A1 Method and device for the distillative processing of 1,6-hexandiol, 1,5-pentandiol and caprolactone
10/15/2003EP1303733A4 Hydraulically balanced fully thermally coupled system
10/15/2003CN2579491Y Gas and liquid separator for rectifying tower feeding material
10/15/2003CN2579490Y Connection structure for rectifying tower plates
10/15/2003CN1449369A Process control for acetic acid manufacture
10/14/2003US6632330 Process for purification of alkyl alkanoate
10/14/2003US6632329 Apparatus comprising distillation tower, bottom outflow portion allowing liquid to flow out of bottom of tower, pot portion between bottom of tower and outflow portion, having cross-sectional area between that of tower and that of outflow
10/14/2003US6631860 Guide member for a liquid jet to be deflected
10/09/2003US20030188851 Method and apparatus for facilitating more uniform vapor distribution in mass transfer and heat exhange columns
10/09/2003US20030188638 Dew point humidifier (DPH) and related gas temperature control
10/08/2003EP1350809A1 Water insoluble porogen removal process
10/08/2003EP1349820A1 Process for separating mixtures of materials having different boiling points
10/08/2003EP1349630A2 Method for separating at least one reactive component from a mixtures of liquid materials and device for carrying out said method
10/08/2003EP1349628A1 Water processing device
10/08/2003CN1447828A Reactive rectification
10/08/2003CN1447709A Azotropic distillation method
10/08/2003CN1447708A Degassing appts.
10/08/2003CN1446609A Distilling appats.
10/08/2003CN1123377C Crossing tray for structural members in tower or tube
10/08/2003CN1123370C Method of separating methanol and ethyl acetate
10/07/2003US6630430 Fuel and oil detergents
10/07/2003US6629687 Passageways comprising coverings formed from panels joined by hinges, flanges and brackets; maintenance of heat exchangers
10/07/2003US6629490 Smart wine brewery equipment
10/02/2003WO2003080778A2 Methods for treating deodorizer distillate
10/02/2003WO2003080767A1 A process for obtaining high purity phenanthrene and a system thereof
10/02/2003US20030187285 Catalytic epoxidation reaction is carried out in at least two reactors, distillation, by-products inhibition, catalyst selectivity
10/02/2003US20030187183 Water insoluble porogen removal process
10/02/2003US20030186831 Solid alkylbenzene sulfonates and cleaning compositions having enhanced water hardness tolerance
10/02/2003US20030183957 Downcomer vapor/liquid flood windows and hinged downcomer weir for reducing tray tower floodings
10/02/2003US20030183501 Distillation apparatus and distillation method
10/02/2003US20030183499 System and a process for obtaining high purity phenanthrene from phenanthrene enriched coal tar fraction
10/02/2003CA2479773A1 Methods for treating deodorizer distillate
10/01/2003EP1348480A2 Continuous slurry polymerisation volatile removal
10/01/2003EP1347868A1 Device for carrying out material exchange processes
10/01/2003EP0883437B1 Method and apparatus to improve vapor distribution
10/01/2003EP0883436B1 Vapor distribution method and apparatus
10/01/2003CN2576309Y Linear liquid-collection redistribution device
10/01/2003CN1446305A Improved aqua-ammonia absorption system gnerator ultilizing structured packing
10/01/2003CN1446206A Process for continuous production of olefinic oxide
10/01/2003CN1446204A Method for purifying 2-chloro-5-chloromethyl thiazole
10/01/2003CN1445250A Method for preparing polyacrylicacid
10/01/2003CN1445011A Distilling apparatus without energy consumption
10/01/2003CN1122557C Combined vapor-liquid distributor for packed tower
09/2003
09/30/2003US6627047 Method for preventing polymerization in thin-film type evaporating device
09/25/2003WO2003078329A1 Distrillation electric power generation system
09/25/2003WO2003078038A1 Methods and apparatus for mixing fluids
09/25/2003WO2003078015A1 Apparatus and method for purifying easily polymerizable substance
09/25/2003WO2003078014A1 A compact rectifying unit for separation of mixed fluids and rectifying process for separation of such mixed fluids
09/25/2003WO2002096530A3 System for cooling a heated juice by partial low-pressure evaporation
09/25/2003US20030181772 Method and device for treating a c4 fraction
09/25/2003US20030181621 Method for producing polyacrylic acid
09/25/2003US20030180463 Extraction raw materials; reforming; forming thin films
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