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Match Document Document Title
6998026 Method for producing tertiary C4-C8-alkyl esters of (meth)acrylic acid  
A tert-C 4 –C 8 -alkyl (meth)acrylate is prepared by reacting (meth)acrylic acid with an olefin of the formula where R 1 and R 2 , which may be identical or different, are methyl or...
6911121 Method and apparatus for simultaneous heat and mass transfer utilizing a carrier-gas  
The present application is directed to a continuous contacting apparatus for separating a liquid component from a liquid mixture. The apparatus comprises: (i) an evaporation chamber ( 15 ) having...
6635150 Method for distilling a fluid with horizontal vapor transfer into a condensation zone and modular device for implementing said method  
A method for distilling a fluid which is useful, for instance, in eliminating salt from brackish and/or sea water includes percolating films on plates with multiple effects having several...
6627047 Method for preventing polymerization in thin-film type evaporating device  
A method is provided for preventing an easily polymerizable substance from being polymerized in a thin-film type evaporating device by supplying a solution of the substance to the evaporating...
6596244 Falling film reactor with corrugated plates  
An arrangement for a falling film type reactor uses corrugated plates to improve the distribution and dispersion of the gaseous reactant into the liquid. Corrugated plates introduce increased...
6423187 Heat exchanger mechanism using capillary wipers for a thin film distiller  
A thin film distiller is provided which applies distilland to an evaporative side by the use of wicks which work by capillary action. The evaporated vapor is transferred to the condensate side...
6080273 Method and device for treating liquids by partial evaporation  
A process and a device for treating a liquid by separating out constituents contained in the liquid. Pollutants are removed or the liquid is sterilized by partial evaporization. The liquid is...
6066232 Method and vaporizer for vaporizing oxidation-sensitive compounds  
5795446 Method and equipment for heat-of-vaporization transfer  
A method and equipment for heat-of-vaporization transfer in a heat exchanger, using steam bubbles. To achieve higher transfers at slight overheating, and with a very simple design, steam bubbles...
5792663 High efficiency continuous flow through fractional-volatilization separator system, and method of use  
Fractional-volatilization separation systems and methods are disclosed which enable a stable, continuous, non-bubbling liquid flow, essentially constant surface area/volume ratio, temperature...
5716496 Method and apparatus for treatment of black liquor  
A method and an apparatus are provided for controlling crystallization (and thus preventing harmful fouling of heat transfer surfaces) during the treatment of black liquor. The black liquor is...
5628901 Vessel for treating liquids  
A single vessel with no moving parts is constructed to perform the functions of coalescing, vacuum dehydration, and thin film evaporation.
5596067 Free fall polymerization process for the production of polycarbonates  
A method for producing an aromatic polycarbonate comprises introducing to an introduction zone (having a perforated plate) a) a molten monomer mixture of an aromatic dihydroxy compound and a diaryl...
5538593 Thin film flow-down type concentrating apparatus  
A thin film flow-down type concentrating apparatus for concentrating a heat susceptible raw liquid with heated steam to high concentration without spoiling the flavor or deteriorating the quality...
5534113 Forming solutions  
A solution of cellulose is formed by moving a premix of a tertiary amine N-oxide, water and cellulose through a thin-film evaporator using a bladed rotor under treatment conditions which specify,...
5425849 Film-type evaporator  
A film-type evaporator has an upright container, a heating system arranged on the outside of its jacket, a rotor rotating in the container and an upper part with a vapor chamber and droplet...
5419814 Thin layer liquid film type evaporator  
A thin layer liquid film type evaporator including a cylindrical heating column, a heater for heating the cylindrical heating column, a liquid film forming plate disposed in the cylindrical heating...
5417805 Brushed film evaporator  
Liquid to be evaporated by the indirect transfer of heat from a heating medium within plate type heat exchange elements is distributed over outer surfaces of the plate type elements by means of one...
5259928 Apparatus for evaporation of liquid solutions  
Apparatus and method for evaporating a liquid includes a casing; a plurality of vertically extending plate-type heating elements within the casing, each heat element having an outer surface and an...
5211812 Device for the recovery of a processed liquid in the form of a condensate on a liquid to be processed  
The invention relates to a device for the recovery of a processed liquid in the form of a condensate from a liquid to be processed by evaporation and condensation, having at least one first flow...
5185060 Film evaporator  
A film evaporator formed by a cylindrical body section (50) with a heating jacket (53) and angled scraping blades (84) mounted on a rotatable shaft (76) to move the thickened material downwardly...
5098518 Thin film down flow type concentrator  
A thin film downward flow type plate concentrator suitable for concentration of liquids which are highly heat-sensitive, wherein preheating channels (19), distributing portions (23), pool portions...
5093141 Product and process for production of alcohol-free wines or alcohol reduced wines and brandy  
The invention relates to a process for the production of alcohol-free wine, i.e. wine containing less than 1% by volume of alcohol, and of wines containing reduced concentrations i.e. 1 to 7% by...
5082535 Apparatus for the extraction of oil or polychlorinated biphenyl from electrical parts through the use of solvents and for distillation of the solvents  
An apparatus for dissolving oil or PCB which exists in the electrical insulation of parts to be cleaned, wherein a solvent is evaporated during a heating phase by an evaporator located with the...
5069750 Distributor for a devolatilizer  
A distributor for a falling strand devolatilizer which is a closed top upwardly facing projection having one or more inclined faces and being centered on a tray having strand forming holes there...
5062927 Method of operating a still  
The method of preparing and operating a heat-exchanging membrane of plastic material as the evaporating and condensing surfaces in a still includes treating the evaporating surface to be wettable...
5053201 Process and apparatus for preparation of polyesters  
A process and apparatus for the preparation of a polyester, wherein a thin film polymerization apparatus having at least one columnar or cylindrical roller-shaped stirring vane rotating along and...
4981554 Thin-layer evaporator for high-viscosity, fluids  
A thin-layer evaporator particularly suited for treating high-viscosity fluids, including a treating chamber surrounded by a heating or cooling shell, and a rotor equipped with feed and thrust...
4946559 Removal of dissolved volatile impurities from liquid  
A method and device for removing, from liquid such as water, dissolved volatile substances and gases when water is being distilled or evaporated. Feed water of a distilling apparatus or evaporator...
4944839 Interstage liquor heater for plate type falling film evaporators  
A falling film evaporator in which some plate elements have their upper portions surrounded by a hood to prevent feed liquor from contacting hot vapor generated in the evaporator and exchanging...
4938846 Preparation of anhydrous alkanesulfonic acid  
A process for the removal of water from a lower alkanesulfonic acid-water mixture by causing the mixture to run down the internal walls of two vertical evaporator columns operated in series, is...
4904347 Method and apparatus for distilling liquid hydrocarbon products  
A liquid product (4) leaving a furnace (2) is introduced into a series of cyclone separators (5, 6, 7). The liquid product to be vaporized is introduced tangentially into the top portion (5a, 6a,...
4878535 Selective condensation apparatus  
Heating elements formed by joining a pair of plates around most of their peripheries are provided with an internal partition which separates upper and lower internal spaces within the element so...
4863570 Process for fractional distillation under vacuum  
Process for the fractional distillation of a liquid under vacuum comprising preheating a liquid to be distilled, forming under vacuum the preheated liquid into a first series of thin sheets of...
4863568 Apparatus for fractional distillation under vacuum  
An apparatus for the fractional distillation of a liquid under vacuum is disclosed in which first and second inlets are disposed in the upper portion of a normally vertically closed vessel for the...
4822455 Distilling and desalination apparatus  
A distilling and desalination apparatus comprising an evaporation chamber and a condensing chamber in which the evaporation chamber through a cooling circuit communicates by way of heat exchange...
4786363 Radial skin evaporator  
An evaporator includes heating elements which are part of a thin skin providing the evaporator vessel wall, supporting the skin for internal and external pressure, and a top portion of the vessel....
4756797 Multiple effect evaporator with an evaporative condenser as a liquid evaporation effect  
A multiple effect evaporator system and a process for concentrating a process liquid wherein evaporated process liquid from one effect serves as heating fluid in an adjacent effect. Low energy...
4747915 Falling-film process for the cocurrent evaporation of a solution  
A falling-film process and apparatus for the cocurrent evaporation of a solution is disclosed. The process utilizes a tube-bundle heat exchanger in which the upper ends of the individual tubes of...
4744957 Apparatus for removing volatile matters contained in polymers  
Disclosed is apparatus for treating polymers containing volatile matters and removing the volatile matters from the polymers, which comprises a polymer discharge device provided with heating means...
4731159 Evaporator  
An evaporator comprises a plurality of substantially parallel plates mounted for rotation about a common axis and in which provision is made for a condensible vapor to flow across a first face of...
4706741 Heat exchanger of falling film type  
In a heat exchanger of falling film type comprising heat exchange plates with area enlarging corrugation forming ridges and valleys extending in the falling film direction, repeated redistribution...
4683026 Thin layer evaporator  
A thin layer evaporator comprises a container forming a body, a container cover on the one side, a drive shaft projecting into the container from the opposite side, a rotor fixed to the drive shaft...
4683025 Method and apparatus to convert a long tube vertical evaporator to a falling film evaporator  
A method and apparatus for converting a long tube vertical evaporator to a falling film evaporator in a manner which permits salvaging most of the long tube vertical evaporator structure. The...
4673459 Radial configuration of evaporator heating elements and method  
A free flow evaporator of the falling film type has the heating elements disposed in a circular configuration so that each extends radially a distance less than the interior radius of the...
4640740 Apparatus for evaporative stripping  
Apparatus for removing volatile components from a liquid includes three distinct sections of a confined passageway for the liquid. The first section is for heating the liquid to a predetermined...
4636283 Apparatus for the distillation of fresh water from sea water  
In the distillation of fresh water from sea water, the sea water is passed ownwardly in a falling film evaporator through a multiplicity of vertical tube evaporator (VTE) stages and multiple stage...
4627890 Centrifugal device  
In a centrifugal mass transfer device comprising a rotary annular permeable element, annular plates are mounted adjacent the radially inner or outer face of the permeable element and gaseous or...
4585523 Vapor compression distillation apparatus  
A distillation apparatus utilizing a flexible heat exchange medium with a nonwettable condensation face and an opposing readily wettable wicked evaporation face arranged in envelope configurations...
4572287 Falling film heat exchanger with film forming members  
This invention relates to shell and tube vertical falling film heat exchangers. More particularly, this invention is concered with an improved heat exchanger which has an insert or cap on the upper...
Matches 1 - 50 out of 181 1 2 3 4 >