Patents
Patents for B01D 3 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping (21,025)
01/2009
01/21/2009CN100453586C Steam stripping coacervation and separation device for polymer solution and separation method thereof
01/21/2009CN100453137C Alcohol quinque-towel differential pressure distilling arrangement and technique thereof
01/20/2009US7479227 Pervaporation using a membrane of a fluorinated polymer with a cyclic ether ring, such as a polyperfluorodioxole-tetrafluoroethylene copolymer, and is particularly useful for separating mixtures containing light organic components, such as propylene from propane and butane from isobutane
01/20/2009CA2637127A1 Purification process using microchannel devices
01/15/2009US20090014312 Replenishing a body of fresh water with distillate of water vapor derived from a body of salt water using a still useful as a desalinator and a condenser; low pressure is obtained by a liquid column closed at its top and opened at its bottom to a body of seawater
01/15/2009US20090013868 Process and apparatus for the separation of a gaseous mixture
01/15/2009DE102007006649B4 Vorrichtung und Verfahren zur Stofftrennung Apparatus and method for separating substances
01/15/2009CA2692591A1 Purification of hydroformylated and hydrogenated fatty alkyl ester compositions
01/14/2009CN201179361Y Energy-conservation water-conservation material-conservation discharge reducing extraction and concentration apparatus
01/14/2009CN201179358Y Control device for temperature of dimer acid molecular distillation
01/14/2009CN201179357Y Azeotropic distillation apparatus for return current of entrainer to distillation column bottom
01/14/2009CN201179356Y High-efficiency rotating distillation bed
01/14/2009CN201179355Y Guide fixed valve
01/14/2009CN101346340A Industrial process for separating out dialkyl carbonate
01/14/2009CN101346164A Process for industrial production of dialkyl carbonate and diol
01/14/2009CN101342426A Mounting connection structure for rectification column and condenser of novel distillation equipment
01/14/2009CN101342425A Microwave separation method and apparatus used thereof
01/13/2009US7476775 Method and system for separating an oligomerization reactor effluent
01/13/2009US7476299 Suppression of formation of a polymerized product due to flowing of a liquid or gas heated in a reboiler into a column with a simple structure; and a stable continuous operation of column equipment over a long period of time; top plate for preventing upward scattering of liquid
01/13/2009US7476298 Structure for multiple-effect distillation using tubes or plates
01/13/2009US7476297 Device and method for carrying out heterogeneously-catalysed reactive distillations in particular for the production of pseudoionone
01/13/2009US7476296 Apparatus and process for converting a mixture of organic materials into hydrocarbons and carbon solids
01/08/2009WO2009005974A1 Reducing formaldehyde emissions
01/08/2009WO2009005897A1 Membrane-based hybrid process for separation of mixtures of organics, solids, and water
01/08/2009WO2009004206A2 Device and method for removing a compound from bio-diesel, method for purifying bio-diesel from a transesterification step, and equipment for producing bio-diesel including same
01/08/2009WO2009004036A1 Method of removing liquid contaminant droplets from a gas stream, and wash tray
01/08/2009US20090008236 Process for Recovering Brominated Butadiene Polymers from Solution
01/08/2009US20090008235 Membrane-based hybrid process for separation of mixtures of organics, solids, and water
01/07/2009CN201175587Y Efficient orientation float valve
01/07/2009CN101341109A Process for production of dialkyl carbonate and diol in industrial scale
01/07/2009CN101340958A Integrated compressor/stripper configurations and methods
01/07/2009CN101337228A Closed type automatic industry-parts cleaning oil-sealing device
01/07/2009CN101337133A Reflux-ratio temperature automatic control device and method of fractionating tower
01/07/2009CN101337132A Extraction rectification technique
01/07/2009CN101337131A Evaporation method and device easy for polymerizing hydrocarbon solution
01/07/2009CN100448833C Refining device and method for propenoic acids
01/07/2009CN100448785C Combined power generation and desalinization apparatus and related method
01/07/2009CN100448502C Recovery and utilization method for acidic water of hydrocarbon steam conversion hydrogen production plant
01/07/2009CN100448501C Waste liquid separating method for tetrahydro methyl phthalic anhydride production process
01/06/2009US7473439 Coated polymeric films and coating solutions for use with polymeric films
01/06/2009US7473338 Purifying of a monomer such as acrylic acid using a vacuum distillation apparatus comprising 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
01/06/2009US7473337 Remotely controlled decoking tool used in coke cutting operations
01/06/2009CA2269024C Sulfur removal by catalytic distillation
01/02/2009DE10295577B4 Verwendung einer Klammer zur lösbaren Verbindung eines Kolonnenbodens mit einem Auflagering in einer Kolonne Use of a clamp for the releasable connection of a column tray with a support ring in a column
01/01/2009US20090000940 Method and Apparatus for Oil and/or Oil Product Treatment
01/01/2009US20090000939 Membrane Distillation Process and Membrane Distillation Device
12/2008
12/31/2008WO2009003024A2 High shear process for aspirin production
12/31/2008WO2009002585A1 Process and apparatus for producing chlorohydrin
12/31/2008WO2009000634A1 Continuous process for preparing neral in pure or enriched form
12/31/2008WO2009000019A1 Selective removal of a target liquid constituent from a multi-component liquid
12/31/2008WO2009000016A1 Desalination
12/31/2008EP2008989A1 Continuous method for manufacturing neral in pure or enriched form
12/31/2008CN201171980Y Upward gas-solid separation device with steam stripping
12/31/2008CN201171975Y Calandria reaction rectifying tower
12/31/2008CN201171920Y Round float valve
12/31/2008CN201171919Y Novel percolation type composite column plate
12/31/2008CN201171918Y Novel inclined long-strip composite column plate
12/31/2008CN101336210A Method of treating phenol-containing water and treating apparatus
12/31/2008CN101332399A Waste-gas braking method
12/31/2008CN100447122C Method for preventing clogging in apparatus for handling (meth)acrylic acid or esters thereof
12/31/2008CA2691701A1 Desalination
12/30/2008US7470349 Pressure desalination
12/30/2008US7470348 Separator for producing aromatic carboxylic acids
12/30/2008CA2501666C Method for the production of an aqueous hydroxylamine solution
12/30/2008CA2401402C Method and installation for extracting a monomer from an aqueous slurry containing a polymer
12/30/2008CA2347087C Method for preparing melamine
12/30/2008CA2343844C Multifunctional subset ensuring the contact, matter distribution and heat and/or matter exchange of at least one gaseous phase and at least one liquid phase
12/25/2008US20080314729 Core de-entrainment device for vessels with tangential inlets
12/25/2008US20080314728 Process and SYSTEM for the Purification of Trichlorosilane and Silicon Tetrachloride
12/25/2008US20080314727 Microporous Membrane for Flash Distillation
12/24/2008WO2008157218A1 Process for improving adiponitrile quality
12/24/2008WO2008155399A1 Reactor for performing a three-phase reaction of a fluid and a gaseous phase on a packed bed catalyst
12/24/2008WO2008155322A2 Device and method for distilling fluids
12/24/2008EP2006005A2 Semi-automatic device for the evaporation of solvents by analytical gas for concentration of atmospheric samples, which is designed to identify and quantify organic chemical compounds with toxic properties
12/24/2008EP2004340A2 Process for the treatment and purification of dangerous wastes containing ammonium salts, particularly ammonium chloride, derived from pharmaceutical or chemical industries
12/24/2008CN201168454Y Rectification experimental device
12/24/2008CN101331168A Process for industrially producing high quality aromatic polycarbonate
12/24/2008CN101331107A Industrial process for production of high-purity diaryl carbonates
12/24/2008CN101331102A Process for production of dialkyl carbonate and diol in industrial scale
12/24/2008CN101331101A Process for production of dialkyl carbonate and diol in industrial scale and with high yield
12/24/2008CN101330950A Vaporizing separator for liquid medium and the like
12/24/2008CN101327379A Duct downstream spray tray
12/24/2008CN100444948C Tower bubbling stuffing with vortex-flow and defrosting function
12/24/2008CN100444919C Method for separating and utilizing MeTHPA production waste liquid
12/24/2008CN100444918C Separation method of MeTHPA production waste liquid
12/23/2008US7468119 Separation of 6-aminocapronitrile and hexamethylenediamine from a mixture comprising hexamethylenediamine, 6-aminocapronitrile and tetrahydroazepine
12/18/2008US20080308403 Method and apparatus for vacuum or pressure distillation
12/18/2008US20080308402 Purification of aqueous solutions of organic acids
12/18/2008DE102008000490A1 Thermal separation of silanes comprises injecting the silane mixture in a rectification unit exhibiting an output part and a reinforcing part
12/17/2008EP2003114A1 Methyl methacrylate production process
12/17/2008EP2001572A2 Non-woven media incorporating ultrafine or nanosize powders
12/17/2008CN101326264A Apparatus for treating materials
12/17/2008CN101326146A Process for production of dialkyl carbonate and diol in industrial scale
12/17/2008CN101325992A Membrane distillation process and membrane distillation device
12/17/2008CN100443577C Hardening oil on-line dehydration apparatus
12/17/2008CN100443461C Method for separating sec-butyl acetate, acetic acid and heavy hydrocarbon
12/17/2008CN100443457C Method for producing acetic acid
12/17/2008CN100443137C Atomization flash-evaporation ammonia-removing process for ammonia and nitrogen-containing wastewater
12/16/2008US7465841 Brominating a,a,a',a'-tetrafluoro-p-xylene; mixing crude product with diphenylmethane that has a higher boiling point; evaporating to form purified 1,4-bis(bromodifluoromethyl)benzene evaporated liquid; detecting purity of the liquid in batches (gas chromatography); and collecting selected batches
12/16/2008US7465376 Method and device for treating liquids
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