| Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025) |
|---|
| 09/29/2004 | CN1531987A Fine distributor of fluid |
| 09/29/2004 | CN1168732C Lower alkyl alcohol recovery from a stripping mixture |
| 09/29/2004 | CN1168517C High-efficiency guide sieve-plate tower |
| 09/28/2004 | US6797238 Frustoconical element induces gentle swirl pattern to a stream effecting perpendicular flow, forcing the liquid against the wall of the feed intake pipe and reestablishing annular flow; avoiding coke formation |
| 09/28/2004 | US6797125 Evaporating effluent liquid from pulp or paper mill, flashing and purifying in a steam stripping column |
| 09/28/2004 | US6797123 Device at distillers adapted to distill solvents for recovery of pure solvent from impure solvent |
| 09/23/2004 | WO2004080932A2 Distillative method for separating hexamethylenediamine from a mixture comprising hexamethylenediamine, -aminocapronitrile and tetrahydroazepine |
| 09/23/2004 | WO2004080563A1 Rectifying plant for purifying tertiary amines |
| 09/23/2004 | WO2003066187A8 Method for lactic acid oligomerization |
| 09/23/2004 | US20040186327 reacting 1,1,1-trifluoro-2-chloroethane with chlorine in presence of hydrogen fluoride and aluminium fluoride as bulk catalyst; for production of pentafluoroethane |
| 09/23/2004 | US20040184970 Stripper and a stripping process for removing the flue gas carried by regenerated catalyst |
| 09/23/2004 | US20040183217 Column tray |
| 09/23/2004 | US20040183216 Gas - liquid contactor |
| 09/23/2004 | US20040182786 Providing an integrated separation apparatus; withdrawing from column a fluid stream derived by fractional distillation from a feedstock; distributing stream into a membrane device to separate from stream permeate and non-permeate fluids containing different amounts of compounds; controlling enthalpy |
| 09/23/2004 | US20040182752 Introducing a hydrocarbon feed into a first separation column to obtain a first top stream and a first bottom stream; introducing first top stream into a second separation column to obtain a second top stream and a second bottom stream; refluxing, reboiling, recovering |
| 09/23/2004 | US20040182751 For the recovery and partial purification of ethylene from a hydrocarbon feed stream |
| 09/23/2004 | US20040182693 Apparatus and process for purification of acrylic acid family |
| 09/23/2004 | US20040182692 Method for treating a product stream containing vitamin e acetate |
| 09/23/2004 | US20040182691 Process for removing 2-butanol from tert-butanol/water mixtures |
| 09/23/2004 | US20040182690 Recovering 1,6-hexanediamine from mixtures including 6-amino-hexanenitrile, 3,4,5,6-tetrahydro-2H-azepine and adiponitrile, using chromatography, while preventing by-products by process control |
| 09/23/2004 | US20040182266 Method for manufacturing photosensitive resin printing plate, and developer treatment device |
| 09/23/2004 | US20040182241 Reduction of the aerosol-related discharge from a separation column and apparatus therefor |
| 09/23/2004 | US20040182013 Liquid distributor |
| 09/22/2004 | EP1459794A2 Apparatus and process for purification of acrylic acid family |
| 09/22/2004 | EP1459793A1 Liquid distributor |
| 09/22/2004 | EP1458455A1 Holding profile for lamellae, modular holding profile unit, and a separating, light-reducing or flow-conducting unit containing the same |
| 09/22/2004 | EP1458454A1 Unit acting as drop separator and partition base |
| 09/22/2004 | EP1028934B1 Method for separating an organic compound from an aqueous medium |
| 09/22/2004 | EP0950124B1 Flash evaporator |
| 09/22/2004 | CN1531753A Carburetor, various types of devices using carburetor, and method of vaporization |
| 09/22/2004 | CN1167486C Tower and method for refining organic compound containing easy-to-plug matter |
| 09/22/2004 | CN1167485C Gas/liquid contact tray |
| 09/21/2004 | US6793776 Recovering acrylonitrile, methacrylonitrile, or hydrogen cyanide from reactor effluent from ammoxidation, where the head column is operated such that formation of an aqueous phase above the feed tray of the heads column is inhibited |
| 09/21/2004 | US6793770 Evaporator |
| 09/16/2004 | WO2004078341A1 Process for making a liquid evaporation retardant solution |
| 09/16/2004 | US20040179982 liquid-to-gas contact medium, honeycomb structural body formed of a porous material including a plurality of through channels defined by a plurality of partition wall, flow passages extending through the honeycomb, thermal efficiency |
| 09/16/2004 | US20040178054 Bayliss ranch extraction process |
| 09/16/2004 | DE10331790B3 Lifting device, for distillation column, removes individual column shots from column having several shots |
| 09/16/2004 | DE10310249A1 Flüssigkeitsverdampfungsverfahren Liquid evaporation method |
| 09/16/2004 | CA2515738A1 Process for making a liquid evaporation retardant solution |
| 09/15/2004 | EP1457242A1 Process for evaporating of a liquid |
| 09/15/2004 | EP1456167A1 Process to separate butadiene dimers from alkyl pentenoates |
| 09/15/2004 | EP1455933A1 Supported metal oxides as catalysts for aldol condensations |
| 09/15/2004 | EP1455932A1 Device for material and/or energy exchange in a wash column |
| 09/15/2004 | EP1455931A1 Device and method for carrying out heterogeneously-catalysed reactive distillations in particular for the production of pseudoionone |
| 09/15/2004 | EP1455917A2 Continuous process for controlled evaporation of colloidal solutions |
| 09/15/2004 | EP1152820A4 Reactor distribution apparatus and quench zone mixing apparatus |
| 09/15/2004 | EP1133340B1 Counterflow stripping tube |
| 09/15/2004 | CN1529624A Azeotropic distillation process for producing organic acids or organic acid amides |
| 09/15/2004 | CN1528669A Flash evaporator water injection method of digesting system for alumina high-pressure pan |
| 09/15/2004 | CN1528495A Gas-liquid distributing device for two-deck water tank |
| 09/15/2004 | CN1528486A Solution concentrating and solvent recovery apparatus and method thereof |
| 09/15/2004 | CN1166941C Method and apparatus for testing distillation property of liquid petroleum products by quick microdistillation |
| 09/15/2004 | CN1166444C Continuous slurry polymerization volatle removal |
| 09/15/2004 | CN1166428C Separating method for low boiling point organic solvent azeotropic mixture containing excessive water |
| 09/14/2004 | US6790428 Stripping using gas; separation or recirculation |
| 09/14/2004 | US6790344 Liquid-phase adsorption process for removing and concentrating heteroatom compounds in hydrocarbons |
| 09/14/2004 | CA2338215C Guide member for a liquid jet to be deflected |
| 09/14/2004 | CA2272487C Distillation plant with a column and a heat pump |
| 09/12/2004 | CA2763806A1 Tilted small cooler with implementing a new metod of pulse, cooling speed of distillation and vacuum distillation in production of essentials oils |
| 09/12/2004 | CA2760036A1 Oil-separator vessel for combined light and heavy oils with a (two-sections) two-chambers maintain a different level of liquid in the chambers that achieves a big difference in the temperatures of cooling water and a light oil separated on top of chamber |
| 09/12/2004 | CA2759869A1 Control the process of distillation under pressure or vacuum without use of vacuum pumps, distileries are with different volumes, they distilling a raw material in dry or liquid condition, extracting for second time essential oils from liquid results obtained after distilation |
| 09/12/2004 | CA2421141A1 Mobile distillery for water and steam distillation, based on the old traditions combined with a new method of distillation and new technical solutions of constructing system for production of etheral (essential) oils |
| 09/10/2004 | WO2004076359A1 Water desalination |
| 09/09/2004 | US20040173505 Process for the treatment of waste oils |
| 09/09/2004 | US20040173449 Low pressure cooling with evaporation of juice |
| 09/09/2004 | DE10308435A1 Process to desalinate water in a multi-stage ejector-condenser line with de-gassing station prior to surrender of raw water to process treatment |
| 09/08/2004 | EP1341591A4 Saline/sewage water reclamation system |
| 09/08/2004 | EP1131144A4 A process for separating a multi-component pressurized feed stream using distillation |
| 09/08/2004 | CN1527826A Method for the production of phthalic anhydride to a specification |
| 09/08/2004 | CN1165362C Gas-liquid contact tray |
| 09/08/2004 | CN1165361C Gas liquid contact tray having multiple downcomers |
| 09/08/2004 | CN1165360C Liquid distributor for separation columns |
| 09/07/2004 | US6787001 Method for distilling (meth) acrylic acid solution |
| 09/02/2004 | WO2004074187A1 A process, system and design for desalination of sea water |
| 09/02/2004 | WO2004073841A1 Method for concentrating water-soluble organic material |
| 09/02/2004 | WO2004073836A2 Separation tray |
| 09/02/2004 | US20040171789 Method and device for the production polyethyleneterephthalate |
| 09/02/2004 | US20040168901 Distillation apparatus |
| 09/02/2004 | US20040168900 Staged heat and mass transfer applications |
| 09/01/2004 | EP1452518A1 Process for producing (meth)acrylic acid compound |
| 09/01/2004 | EP1452219A1 Water-soluble organic material condensation apparatus |
| 09/01/2004 | EP1451152A1 Method and arrangement for the preparation of percarboxylic acid |
| 09/01/2004 | EP1450968A1 Distillation apparatus |
| 09/01/2004 | EP1240106B1 A method for cleaning objects by means of a heated liquid and a plant for the accomplishment of said method |
| 09/01/2004 | CN2636958Y Ring grid tower air inlet device |
| 09/01/2004 | CN1164650C Process for preparation of polyphenylether |
| 08/31/2004 | US6784303 By reacting continuously fed chromanol with continuously fed an acylating agent selected from the group consisting of carboxylic acids and anhydrides and continuously removing the reaction products from the reactor |
| 08/31/2004 | US6783682 Salt water desalination process using ion selective membranes |
| 08/31/2004 | US6783120 Multiple downcomer fractional distillation tray and process |
| 08/26/2004 | WO2004071636A2 Tray apparatus, column with same and method of assembling and using |
| 08/26/2004 | WO2004071618A1 Dividing wall column control system |
| 08/26/2004 | WO2004043566A3 Distillation with vapour pressurization |
| 08/25/2004 | EP1448518A1 Process for recovering caprolactam |
| 08/25/2004 | EP1448284A1 Purification of organic solvents |
| 08/25/2004 | EP1377623B1 Manufacture of cyclic ester oligomers |
| 08/25/2004 | EP1363855B1 Method and device for treating liquids |
| 08/25/2004 | EP0921850B1 Packing for separation columns and process of use |
| 08/25/2004 | CN2635173Y High efficiency gas spiral fractional distillation column |
| 08/25/2004 | CN2635172Y High efficiency spiral fractional distillation column |