| Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025) |
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| 06/25/2002 | US6409888 Improved means for eliminating contaminants in the steam phase prior to condensation; boiler sucks in air through the condenser and oxygen is turned into ozone, steam formed in the boiler flows through the ozone and is sterilized |
| 06/25/2002 | US6409886 (meth)acrylic acid, (meth)acrylic esters in distillation; avoiding stagnation of liquid on surfaces of still by spraying the same fluid, molecular oxygen is present |
| 06/25/2002 | US6409882 Warm water loop for cooling the tall oil heads fraction, rather than the conventional use of cold water, prevents condensation and solidification of athraquinone pulping aid thus avoiding fouling of the cooling towers |
| 06/25/2002 | CA2233354C Distributor device for a column |
| 06/20/2002 | WO2002048075A1 Process for separating mixtures of materials having different boiling points |
| 06/20/2002 | WO2002047784A2 A gas/liquid contacting, perforated tray assembly |
| 06/20/2002 | WO2001006051A8 System and method for extracting water in a dry cleaning process involving a silicone-based solvent and methods enhancing the process of cleaning |
| 06/20/2002 | US20020077501 Reactive distillation process for hydrolysis of esters |
| 06/20/2002 | US20020074275 Water processing device |
| 06/20/2002 | US20020074220 Device at distillers adapted to distil solvents for recovery of pure solvent from impure solvent |
| 06/20/2002 | DE10102168A1 Verfahren und Vorrichtung zur Auftrennung eines Stoffgemisches in seine Bestandteile durch Extraktivdestillation in einer Trennwandkolonne Method and apparatus for separating a material mixture into its components by extractive distillation in a dividing wall column |
| 06/20/2002 | DE10063202A1 Absorption heat pump used e.g. in heating and cooling systems comprises a fiber mat arranged within a housing, and a flat absorber connected to a vaporizer on the lower part of the pump |
| 06/20/2002 | DE10063140A1 Seawater distillation plant has an inverted-cup shape and reduces headspace air pressure to promote evaporation and convective seawater circulation |
| 06/20/2002 | DE10060503A1 Verfahren und Vorrichtung zur destillativen Aufarbeitung von Spaltproduktgemischen, welche bei der Spaltung von Alkylarylhydroperoxiden anfallen Method and apparatus for working up by distillation of cleavage product mixtures which are obtained in the cleavage of alkylaryl hydroperoxides |
| 06/20/2002 | CA2431312A1 Process for separating mixtures of materials having different boiling points |
| 06/19/2002 | EP1214281A1 Method for producing dimethylether |
| 06/19/2002 | EP1214279A1 Method and device for utilizing heat in the production of 1,2-dichloroethane |
| 06/19/2002 | EP1214130A1 Apparatus and methods for removing solvent residues |
| 06/19/2002 | EP1213975A2 Method for extracting compounds of furan lipids and polyhydroxylated fatty alcohols of avocado, composition based on said compounds, and therapeutic, cosmetical or food use of said compounds |
| 06/19/2002 | EP1115476A4 Tray contactor with same-direction liquid flow |
| 06/19/2002 | EP1017488A4 Countercurrent reactor |
| 06/19/2002 | EP0996499A4 Countercurrent reactor |
| 06/19/2002 | EP0950124A4 Flash evaporator |
| 06/19/2002 | CN2495353Y Composite floating valve |
| 06/19/2002 | CN1354281A Method for removing salt scale in inorganic technological liquor cleaning procedure |
| 06/19/2002 | CN1086319C System and method of ammonia purification for semicondcutor manufacture |
| 06/18/2002 | US6407300 Apparatus and process for hydrogenations |
| 06/18/2002 | US6406597 Water distilling device |
| 06/18/2002 | CA2054816C Aromatic alkylation process |
| 06/13/2002 | WO2002046132A1 Process and apparatus for the work-up by distillation of cleavage product mixtures produced in the cleavage of alkylaryl hydroperoxides |
| 06/13/2002 | WO2002045811A1 Method and device for separating a substance mixture into the component parts thereof by means of extractive distillation in a separating wall column |
| 06/13/2002 | WO2002026691A3 Process for producing lower aliphatic carboxylic acid ester |
| 06/13/2002 | US20020072638 Process for the preparation of tertiary alcohols by the hydration of tertiary olefins in a reactive rectification using a structured multi-purpose packing |
| 06/13/2002 | US20020070105 Apparatus for and method of heating fluid and distilling fluid |
| 06/13/2002 | US20020069837 Sealing device for sealing a cavity rotatable about a rotation axis |
| 06/13/2002 | DE10108528C1 Process for treating liquids e.g. seawater, brackish water, wastewater and effluent comprises using preheating/removal unit for preheating and pre-cleaning the liquid |
| 06/12/2002 | EP1213047A1 Column for performing an isotope exchange between a liquid and a gas |
| 06/12/2002 | EP1212283A1 Process for the production and purification of n-butyl acrylate |
| 06/12/2002 | EP1212127A1 Apparatus and method for removing solvent residues |
| 06/11/2002 | US6403854 Two-stage quench tower for use with oxygenate conversion process |
| 06/11/2002 | US6402897 Tanks; preheating by heat exchanging; water |
| 06/06/2002 | WO2002043649A2 Preparation of compositions comprising bacterial strains and volatile plant extracts and therapeutic and industrial applications thereof |
| 06/06/2002 | US20020068840 Process and apparatus for the work-up by distillation of cleavage product mixtures produced in the cleavage of alkylaryl hydroperoxides |
| 06/06/2002 | DE10056685A1 Verfahren zur Abtrennung von mindestens einer reaktiven Komponente aus flüssigen Stoffgemischen und Vorrichtung zur Durchführung dieses Verfahrens A process for separating at least one reactive component from liquid mixtures and apparatus for carrying out this method |
| 06/06/2002 | CA2430292A1 Preparation of compositions comprising bacterial strains and volatile plant extracts and therapeutic and industrial applications thereof |
| 06/05/2002 | EP1210161A1 Apparatus and method for extracting biomass |
| 06/05/2002 | EP1210157A1 Apparatus and method for reducing residual solvent levels |
| 06/05/2002 | EP1047493B1 Intertwined structures as catalytic fillings for reactive separation methods |
| 06/05/2002 | EP1034160B1 Method for producing fatty acid methyl ester and equipment for realising the same |
| 06/04/2002 | US6398918 Method for distilling a mixture containing a plurality of components and apparatus for realizing the same |
| 06/04/2002 | CA2040525C Process for concentrating urea solutions under vacuum |
| 05/30/2002 | WO2002042552A1 Process and device for evaporating liquids, for example black liquor from cellulose cooking, which contain solid and dissolved substances |
| 05/30/2002 | WO2002042286A1 Method for continuously acylating chromanol ester derivatives |
| 05/30/2002 | WO2002042221A1 Water treatment apparatus |
| 05/30/2002 | WO2002041977A1 Method and device for separation and concentration by evaporation of mixture with separation factor of approx. 1 |
| 05/30/2002 | US20020063052 Process for removing arsenic compounds from the distillation bottoms from the preparation of hydrogen fluoride |
| 05/30/2002 | US20020063051 Processing of shipboard wastewater |
| 05/30/2002 | US20020062794 Fuel fractionation device |
| 05/29/2002 | EP1209156A2 Process for extracting pure vitamin E-acetate or pure tocopheroles by rectification to remove lower and higher boiling contaminants |
| 05/29/2002 | EP1207952A1 Method and apparatus for economical solid-liquid separation in water-based solutions |
| 05/29/2002 | EP0739228B1 Recycling of wafer cleaning substances |
| 05/28/2002 | US6395952 Compression, distillation |
| 05/28/2002 | US6395951 Adsorptive separation product recovery by fractional distillation |
| 05/28/2002 | US6395142 Method and apparatus for purifying low grade acetonitrile and other constituents from hazardous waste |
| 05/28/2002 | US6395139 Feed distributor for a liquid distributor of a distillation column |
| 05/28/2002 | US6395138 Liquid dispenser for distilling column, and corresponding distilling column |
| 05/28/2002 | US6395064 System and method for purifying and distributing chemical gases |
| 05/23/2002 | WO2002040439A2 Method for the continuous production of aromatic carbonates |
| 05/23/2002 | WO2002040434A1 Method and device for obtaining 1,3 pure butadiene from 1,3 raw butadiene by distillation |
| 05/23/2002 | WO2002040128A2 Method for separating at least one reactive component from a mixtures of liquid materials and device for carrying out said method |
| 05/23/2002 | WO2002040127A1 Water processing device |
| 05/23/2002 | US20020059869 Spraying with water jet, nozzles |
| 05/23/2002 | US20020059863 Gas separation apparatus and gas separation method |
| 05/23/2002 | DE10056841A1 Distillation purification of butadiene comprises using single partitioned column |
| 05/23/2002 | DE10056785A1 Process for vaporizing a liquid used in cryogenic air decomposition plants comprises bringing the liquid into a super critical state, and releasing the pressure in the gaseous state |
| 05/22/2002 | EP1206439A1 Method for the continuous production of methyl formiate |
| 05/22/2002 | EP1206414A1 A salt water desalination process using ion selective membranes |
| 05/22/2002 | CN1349964A Method for preparing high purity raffinute II and methyl tert-butyl ether |
| 05/22/2002 | CN1085193C Process for concurrent selective hydrogenation of acetylene and 1,2-butadiene in hydrocarbon streams |
| 05/21/2002 | US6391149 Method and apparatus for concentrating a solute in solution with a solvent |
| 05/21/2002 | US6390454 Multiple downcomer fractionation trays with liquid distribution devices on ends of downcomers |
| 05/16/2002 | US20020058845 Production of phenol using reactive distillation |
| 05/16/2002 | US20020056289 Ultra pure nitrous oxide product having a purity of 99.9998% or higher can be delivered to a point of use. |
| 05/16/2002 | DE10152934A1 Verfahren zur Herstellung von wasserfreiem Hydrazin und Vorrichtung zu dessen Durchführung A process for preparing anhydrous hydrazine and device for its implementation |
| 05/15/2002 | EP1205232A2 Gas separation apparatus and gas separation method |
| 05/15/2002 | EP1204854A2 Process and apparatus for cleaning of waste water |
| 05/15/2002 | EP1204628A1 Method for producing phthalic anhydride according to specifications |
| 05/15/2002 | EP1135451A4 Removal of soot in a gasification system |
| 05/15/2002 | CN2491085Y Hot wall of molecular distillation equipment and its heating appts. |
| 05/15/2002 | CN1348922A Mordenite contg. fluorine, and its prepn. method |
| 05/14/2002 | US6387222 Continuous isolation of a high-melting material by distillation |
| 05/14/2002 | US6387161 Nitrous oxide purification system and process |
| 05/14/2002 | US6386520 Fluid inlet device |
| 05/10/2002 | WO2002036549A2 Continuous processes and apparatus for forming cyanoacetate and cyanoacrylate |
| 05/10/2002 | WO2002036231A1 Method of simulating distilling plant |
| 05/09/2002 | US20020053507 Boiler having a non-recirculating brine section, a brine input and output and a water vapor output, input for water to be distilled, compressor for heating the vapor, and a vapor line for heating brine |
| 05/09/2002 | US20020053505 Series of collection tanks interconnected by condensing tubes that each have ascending, transition and descending portions |
| 05/08/2002 | EP1202784A1 Method and device for treating liquid wastes |
| 05/08/2002 | EP1202783A1 Extractive distillation separation |
| 05/08/2002 | CN2489850Y Distilling still |