Patents
Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025)
05/2002
05/08/2002CN1347743A Heat and/or quality exchanging packed column
05/07/2002US6384216 Purification of alkenyl compounds
05/07/2002US6383342 Handling fluid streams in cellulose pulp mill; stripping; reboilers
05/07/2002US6383341 Apparatus for obtaining pure water from crude water
05/07/2002US6381866 Continuous process and apparatus for the drying and gel formation of solvent-containing gel-forming polymers
05/02/2002WO2002034350A1 Column for counter-currently contacting vapour and liquid
05/02/2002WO2001094284A3 Process for producing ultra-high purity isopropanol
05/02/2002US20020050657 Packed column for exchanging heat and/or mass
05/02/2002US20020050496 Beverage dispensing apparatus
05/02/2002US20020050449 Solvent distillation apparatus
05/02/2002EP1201284A2 Solvent exchange column and a method of use therefor
05/02/2002EP1201283A2 Solvent distillation apparatus
05/02/2002EP1200378A1 Process for the separation of isobutene from normal butenes
05/02/2002EP1200166A2 Vapour management system
05/02/2002EP1150757A4 Cyclonic evaporator
05/02/2002DE10102082A1 Verfahren zur Herstellung von hochreinem Raffinat II und Methyl-tert.-butylether A process for the production of high purity raffinate II and methyl tert-butyl ether
05/01/2002CN1347335A Method and device for evaporating polymer solutions of thermoplastic polymers, and polycarbonate which can be obtained by evaporation
05/01/2002CN1346689A Control method for vapour-phase linear speed compensatino of ordinary-pressure distilling tower
05/01/2002CN1346688A Plate-type chemical tower with low-resistance high-speed fly valve
04/2002
04/30/2002US6380454 Destruction of polychlorinated biphenyls
04/30/2002US6380424 Concurrent distilaltion, thin film evaporation
04/30/2002US6380325 Slurry reactor
04/30/2002US6380148 Azeotropic mixture of perfluoroalkyl iodide and hydrogen fluoride, and method for isolating and purifying perfluoroalkyl iodides
04/30/2002US6379507 Catalytic reaction of methanol, formaldehyde and water, distillation
04/25/2002WO2002033025A2 C-nitrosoaniline compounds and their blends as polymerization inhibitors
04/25/2002WO2002032813A1 Process and plant for multi-stage flash desalination of water
04/25/2002WO2002032534A1 Method and apparatus for purifying liquid
04/25/2002WO2002020114A3 Anti-pressure system for distillation vessel
04/25/2002US20020048518 Method of compressing gaseous hydrocarbon-containing medium
04/25/2002US20020046626 In a vacuum chamber with ring crucibles arranged at different levels, the topmost ring crucible covered except for the exhaust duct; purity; use in semiconductor, optics industries
04/24/2002EP1199296A1 Process for the preparation of highly pure raffinate II and methyl tert-butyl ether
04/24/2002EP1199294A1 Process for the preparation of tertiary alcohols by the hydration of tertiary olefins in a reactive rectification using a structured multi-purpose packing
04/24/2002EP1198445A1 A method for the separation of and purification of an aqueous mixture consisting of the main components acetic acid and formic acid
04/24/2002EP1119400A4 Process for the simultaneous treatment and fractionation of light naphtha hydrocarbon streams
04/24/2002EP0888156B1 Method and apparatus for concurrent reaction with distillation
04/24/2002EP0882003B1 Alkylation of benzene to form linear alkylbenzenes using fluorin e-containing mordenites
04/24/2002EP0848635B1 Liquid distributor for evaporator
04/24/2002CN1345617A Catalytic reaction distillation equipment
04/23/2002US6375893 Method and apparatus for evaporating components of multiple substance mixtures and multiple substance systems
04/23/2002US6375807 In the presence of an extractive distillation solvent comprising an amine, an alkylated thiopene, and paraffins
04/23/2002US6375806 Desiccant reconcentration with control of pollutant gases and vapors
04/23/2002US6375803 Removing liquid and solid contaminants from a fluid feed stream containing said contaminants; minimizes fouling and scaling of operating equipment over long periods of operation
04/23/2002US6374634 Column for the cryogenic separation of gaseous mixtures and method for the cryogenic separation of a mixture containing hydrogen and CO using this column
04/19/2002CA2359442A1 Process for preparing highly pure raffinate ii and methyl tert-butyl ether
04/18/2002WO2002030540A1 Household water distiller and hot water supply
04/18/2002WO2002030539A2 Device for continuously vaporizing small quantities of a liquid
04/18/2002US20020043453 Safety system for a distilling apparatus
04/18/2002DE10050627A1 Verfahren zur Herstellung von tertiären Alkoholen durch Hydration von tertiären Olefinen in einer Reaktivrektifikation unter Einsatz einer strukturierten Mehrzweckpackung A process for the preparation of tertiary alcohols by hydration of the tertiary olefins in a reactive rectification using a structured multi-purpose packing
04/18/2002DE10050625A1 Strukturierte Mehrzweckpackungen und deren Verwendung Structured multi-purpose packings and their use
04/18/2002DE10049805A1 Verfahren zur Abtrennung von Arsenverbindungen aus dem Destillationssumpf der Fluorwasserstoffherstellung Process for the separation of arsenic compounds from the distillation bottoms of the hydrogen fluoride manufacturing
04/17/2002EP1197663A1 Method for compressing a hydrocarbon-containing gaseous medium
04/17/2002EP1197263A1 Structured multi-purpose packings and their use
04/17/2002EP1196619A2 The method of ethanol production without the rise of distiller's stillage
04/17/2002CN1345306A Improved process for recovery of acrylonitrile and methacrylonitrile
04/17/2002CN1344780A Normal pressure pregasifying and several section amterial feeding process of crude oil distiller
04/17/2002CN1344684A High pressure gas expanding and instantaneously evaporating device for effiicent sea water desalting
04/16/2002US6372944 Liquid withdrawing tray for purification column, purification column, and method for purification
04/16/2002US6372022 Removal of impurities from a vapor stream through contact with ultra-high-purity water in a packed column; non-recirculating; continuous operation; for on-site purification in semiconductor industry
04/16/2002US6371455 Gas/liquid contacting apparatus
04/16/2002US6371454 Downcomer to a plate column
04/16/2002US6370911 Ultra pure nitrous oxide product having a purity of 99.9998% or higher
04/16/2002CA2059955C Liquid distributor assembly
04/12/2002CA2358650A1 Process for the preparation of tertiary alcohols by the hydration of tertiary olefins in a reactive rectification using a structured multi-purpose packing
04/12/2002CA2358637A1 Structured multi-purpose packings and their use
04/11/2002WO2001098444A3 Process for the extraction and concentration of unsaponifiables from the residues and by-products of animal and vegetal products
04/11/2002WO2001090665A3 Condenser with integrated deaerator
04/11/2002US20020041040 Counterflow column with a liquid distributor
04/11/2002US20020040725 Washing with acidity solution
04/11/2002DE10147370A1 Waschverfahren für Destillationssysteme von Stickstoff enthaltenden polymerisierbaren Monomeren Washing method for distillation systems of nitrogen-containing polymerizable monomers
04/10/2002EP1195354A2 Process for the separation of arsenic compounds from the distillation bottoms fraction of the hydrogen fluoride production
04/10/2002EP1194628A1 System and method for extracting water in a dry cleaning process involving a silicone-based solvent and methods enhancing the process of cleaning
04/10/2002EP1194381A1 Method and device for distilling a liquid substance from a solution, especially for the purpose of desalination of seawater
04/09/2002US6369280 Process for preparing alkyl ethers and mixtures thereof
04/09/2002US6368819 Microbial process for the preparation of acetic acid as well as solvent for its extraction from the fermentation broth
04/09/2002US6368385 Cooling, drying, absorption
04/04/2002WO2002026915A1 A process and apparatus for the fractional distillation of crude oil
04/04/2002WO2002026691A2 Process for producing lower aliphatic carboxylic acid ester
04/04/2002WO2002026642A2 Water purification system
04/04/2002WO2001068581A3 The method of chemical recycling of polyethylene terephthalate waste
04/04/2002US20020040126 Production process of polyphenylene ether
04/04/2002US20020039547 Bubble caps; diffusion barriers
04/04/2002US20020038555 Rotating compressor
04/04/2002DE10046609A1 Verfahren und Vorrichtung zur destillativen Trennung von C5+-Schnitten Method and apparatus for separation by distillation of C5 + cuts are
04/04/2002CA2423650A1 Water purification system
04/03/2002EP1191988A1 Cold distillation method
04/03/2002CN2484098Y Efficient multi-downspout column plate
04/03/2002CN1343196A Fractional condensation of product gas mixture containing acrylic acid
04/03/2002CN1343195A Method for producing acrylic acid
04/03/2002CN1342640A Method for preparing (methyl) acrylic acid ester
04/03/2002CN1082173C Flexibility structure method and flexibility boiler thereof
04/03/2002CN1081938C Etherification-hydrogenation process
04/02/2002US6365791 Process for converting hydrocarbons by treatment in a distillation zone comprising extracting a hydrocarbon cut as a side stream, associated with a reaction zone, and its use for hydrogenating benzene
04/02/2002US6365006 Method for distilling a mixture of substances and device for realizing the same
04/02/2002US6365005 Apparatus and method for vapor compression distillation
04/02/2002US6364996 Device for treatment and removal of aqueous liquids by controlled atmospheric action
04/02/2002US6364939 Method for reducing the formation of foam during the treatment of a dispersion or a liquid with water vapour
03/2002
03/28/2002WO2002024300A1 Method and device for carrying out the distillative separation of c5+ cuts
03/28/2002WO2002006161A3 Recovery of glycol from waste water
03/28/2002US20020038059 Purification of alkenyl compounds
03/28/2002US20020037224 Compressor employing piston-ring check valves