| 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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| 12/09/2004 | WO2004107484A2 Dew point humidifier and related gas temperature control |
| 12/09/2004 | WO2004105911A2 Fluid distillation apparatus having improved efficiency |
| 12/09/2004 | WO2004000433A3 Vapor-liquid contact tray and method employing same |
| 12/09/2004 | US20040249512 Method for controlling the process of separating mixtures containing several substances |
| 12/09/2004 | US20040249207 Extraction process for removal of impurities from an aqueous mixture |
| 12/09/2004 | US20040249198 Column having dual-flow trays |
| 12/09/2004 | CA2525279A1 Fluid distillation apparatus having improved efficiency |
| 12/08/2004 | EP1484305A1 Extraction process for removal of impurities from an aqueous mixture |
| 12/08/2004 | EP1484112A2 Height-adjustable support with holder and method of uncoupling the holder. |
| 12/08/2004 | EP1483252A1 Method for purifying tetrahydrofuran by distillation |
| 12/08/2004 | EP1483030A1 Method and device for separating gases and/or liquids |
| 12/08/2004 | EP1183084B1 Method and apparatus for concentrating slurried solids |
| 12/08/2004 | CN1552688A Process for production of (meth)acrylic compounds |
| 12/08/2004 | CN1178893C Process for inhibiting polymerizatino of easy polymerized compounds |
| 12/08/2004 | CN1178891C Refining method for (methyl) propenoic acid and/or its ester |
| 12/08/2004 | CN1178740C Catalytic rectification and reaction method and apparatus |
| 12/08/2004 | CN1178731C Vertical extending liquid/liquid contacting column |
| 12/07/2004 | US6827046 System and method for converting a liquid into a vapor |
| 12/05/2004 | CA2467002A1 Extraction process for removal of impurities from an aqueous mixture obtained from the mother liquor generated in the synthesis of carboxylic acid |
| 12/02/2004 | WO2004103513A1 Method for the in situ distillation of volatile organic compounds (voc) by means of water vapour injection and hot nitrogen stripping, comprising treatment of the emission gases by condensation and cryocondensation |
| 12/02/2004 | US20040242906 From the vapors produced in the trioxane formation reaction, which includes reacting the aqueous mixture of trioxane and formaldehyde with urea and separating an exiting vapor phase and an exiting liquid phase |
| 12/02/2004 | US20040238443 Structured multi-purpose packings and their use |
| 12/02/2004 | US20040237539 Combined power generation and desalinization apparatus and related method |
| 12/01/2004 | EP1481947A1 Combined power generation and desalinization apparatus and related method |
| 12/01/2004 | EP1481124A1 Process for producing furfural, formic acid and acetic acid from spent pulp-cooking liquor |
| 12/01/2004 | EP1480746A1 A reactive distillation alkylation process including in situ catalyst regeneration |
| 12/01/2004 | CN2659518Y Gas extracting tower for producing cyanurotriamide |
| 12/01/2004 | CN1550488A Method for washing and removing easy polymerizing compounds |
| 12/01/2004 | CN1550487A Method for distilling (meth)acrylic acid |
| 12/01/2004 | CN1550486A Method for stopping running of distillation tower |
| 12/01/2004 | CN1550485A Method for distilling (meth)acrylic acid |
| 12/01/2004 | CN1550484A Distillation apparatus for readily polymerizable compound |
| 12/01/2004 | CN1550258A Use of a metal fibrous packing with cross-channel structure |
| 12/01/2004 | CN1550251A Distillation apparatus for readily polymerizable compound |
| 12/01/2004 | CN1550250A Distillation apparatus for readily polymerizable compound |
| 12/01/2004 | CN1550249A Distillation apparatus for readily polymerizable compound |
| 12/01/2004 | CN1177795C Process for the production and purification of N-butyl Acrylate |
| 12/01/2004 | CN1177637C Azoetropic and rectifying process with partial condensing for separating water and its equipment |
| 11/30/2004 | US6825379 Method for recovering and producing C4-C6 dicarboxylate from alkaline waste solution generated in caprolactam preparation process |
| 11/30/2004 | US6824824 Method for recycling organometallic compound for MOCVD |
| 11/30/2004 | US6824750 Solvent extraction |
| 11/30/2004 | US6824675 Fluid mixture; aperture passageway or conduits for fluid flow |
| 11/25/2004 | WO2004101722A2 Structured liquids made using lab sulfonates of varied 2-isomer content |
| 11/25/2004 | US20040236159 Reducing the water concentration so the proportion by mass of water is less than the limit concentration of the distillation boundary line connecting an azeotrope of tert-butanol and water and an azeotrope of 2-butanol and water by feeding the mixture through a membrane; isobutene intermediate |
| 11/25/2004 | US20040236149 Microbial process for the preparation of acetic acid, as well as solvent for its extraction from the fermentation broth |
| 11/25/2004 | US20040234418 Multiple-chamber device for fractionated evaporation and separation of a solution |
| 11/25/2004 | US20040231970 Fluid distillation apparatus having improved efficiency |
| 11/25/2004 | US20040231513 System for inline stripping of soil contaminants |
| 11/25/2004 | DE202004014488U1 Spray device to separate fluids and solids has material container, separating material reservoir, spray head, and heat exchangers with compressors and condensers |
| 11/25/2004 | DE19710745B4 Rotationsverdampfer Rotary evaporator |
| 11/25/2004 | DE10333049B3 Device for separating liquid and/or gaseous mixtures, especially azeotropic mixtures that are difficult to separate, comprises adsorption unit connected to membrane separation unit |
| 11/25/2004 | CA2523705A1 Structured liquids made using lab sulfonates of varied 2-isomer content |
| 11/24/2004 | EP1409099B1 System for cooling a heated juice by partial low-pressure evaporation |
| 11/24/2004 | EP1340527B1 Evaporator with heat surface formed by an open, descending channel in the shape of a concentric spiral |
| 11/24/2004 | CN1549801A Low pressure separation of dimethyl ether from an olefin stream |
| 11/24/2004 | CN1549739A Azeotrope-like compositions of 1,1,1,3,3-pentafluorobutane and hydrogen fluoride |
| 11/24/2004 | CN1549738A Multiple-chamber device for fractionated evaporation and separation of a solution |
| 11/24/2004 | CN1176732C Gas-liquid contacting tray |
| 11/23/2004 | US6821480 Water line decontamination system |
| 11/18/2004 | WO2004039470A3 Temperature sensing in centrifugal evaporators |
| 11/18/2004 | US20040226812 apparatus has strainers installed on upstream side of pump for extracting a liquid of a vacuum distillation column which distills and refines easily polymerizable substance; switching strainers can be performed with no trouble during operation of the column |
| 11/18/2004 | DE202004009943U1 Plastic bag for e.g. areas with explosion hazard, is sprayed with wetting agent reducing its electrical surface resistance |
| 11/18/2004 | DE10319159A1 Verfahren zur destillativen Gewinnung von hochreinem Triethylendiamin (TEDA) Process for the recovery of high purity distillation triethylene diamine (TEDA) |
| 11/17/2004 | EP1476324A1 Dump body for heavy vehicles |
| 11/17/2004 | EP1476237A1 Method for lactic acid oligomerization |
| 11/17/2004 | EP1476236A1 Apparatus and method for treating a fluid |
| 11/17/2004 | EP1476235A1 Heat integrated distillation column |
| 11/17/2004 | EP1476234A2 Reaction column in a special combination with a natural circulation evaporator |
| 11/17/2004 | EP1406833B1 Method for producing an aqueous hydroxylamine solution devoid of salt |
| 11/17/2004 | CN1176058C Method for producing phthallic anhydride |
| 11/16/2004 | US6818792 Preparation and/or working-up of polymerizable compounds using at least one liquid ring pump, wherein working liquid which contains a material stream from preparation and/or working-up ofpolymerizable compound is used liquid ring pump |
| 11/16/2004 | US6818781 Dehydration of sugar alcohols; separation; foods, drugs |
| 11/16/2004 | US6817596 Tray column |
| 11/11/2004 | WO2004096403A1 Distillation method |
| 11/11/2004 | US20040225152 Process for producing (meth)acrylic acid |
| 11/11/2004 | US20040225085 purification of effluents from chemical reactors, extractors, stills, air cleaners, tail gas afterburners, heat exchangers, boilers or condensers, using a networks of filters |
| 11/11/2004 | US20040222079 Distiller employing cyclical evaporation-surface wetting |
| 11/11/2004 | US20040222077 for purifying of a monomer such as acrylic acid; vacuum distillation apparatus comprises a distillation column and a vacuum generator having a pressure control valve that allows control of the amount of exhaust gas introduced to control the pressure of the distillation column |
| 11/10/2004 | EP1474377A1 Nitrosophenols and c-nitrosoanilines as polymerization inhibitors |
| 11/10/2004 | EP1474229A1 Continuous slurry polymerisation process using a loop reactor |
| 11/10/2004 | CN2654194Y Mass transfer reinforced rotary bed over gravity machine |
| 11/10/2004 | CN1545431A Stepped downcomer apparatus and vapor-liquid contact apparatus with same |
| 11/10/2004 | CN1175234C Distilling process for multi-component fluid and process for production of stream with rich argon by low temperature separating process |
| 11/10/2004 | CN1174788C Deflection of jet type revolving bed equipment in hyper gravity field |
| 11/04/2004 | WO2004094346A2 Purification of solvents used for the purification of alkylene oxide |
| 11/04/2004 | WO2004094039A2 Filtration, flow distribution and catalytic method for process streams |
| 11/04/2004 | WO2004094029A1 Vapor-liquid trays for mass transfer column and method for supporting the trays |
| 11/04/2004 | WO2004094028A1 Expansion ring for mass transfer column and method employing same |
| 11/04/2004 | US20040220426 Process for producing (meth) acrylic acids |
| 11/04/2004 | US20040220416 Hydrogen peroxide is added to organic substrates in the presence of a heterogeneous or homogeneous catalyst, whereupon, following the catalytic decomposition of H2O2 to give water and 1O2, the oxidation of the substrates to give the corresponding oxidation products takes place |
| 11/04/2004 | US20040220406 Purifying triethylenediamine (TEDA) by distillation, wherein the fractionation is carried out in a dividing wall column |
| 11/04/2004 | US20040220382 Process and device for manufacturing an aromatic alkylene polymer |
| 11/04/2004 | DE10305926B3 Distillation film bag, for insertion into container for recovery of recycled solvents in dry cleaning installation, has mark to show where hole is to be cut for distillation vapor collection tube |
| 11/03/2004 | EP1473068A1 Process for the preparation of pure triethylendiamine (TEDA) |
| 11/03/2004 | CN2652483Y High efficiency fluidized catalytic conversion stripper |
| 11/03/2004 | CN1543373A Column tray |
| 11/03/2004 | CN1543372A System for stripping and rectifying a fluid mixture |
| 11/03/2004 | CN1173775C Reactor for urea synthesis at high pressure and temperature |
| 11/03/2004 | CN1173762C Distilling apparatus |
| 10/28/2004 | WO2004092663A1 Evaporator and heat exchanger with external loop, as well as heat pump system and air conditioning system comprising said evaporator or heat exchanger |