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Class 159/2.1 - SUPERHEATING AND PRESSURE RELEASE


Subclass of Class 159 - Concentrating evaporators
Definition: Apparatus comprising a closed vessel adapted to heat a liquid,
No. of patents: 111
Last issue date: 03/23/2010


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NumberTitleIssue Date
7682484Apparatus and method for removing volatile components from viscous liquids
A devolatilizer apparatus and method for devolatilization of viscous polymer liquids yields polymer products with very low levels of residual volatile components. A stream of liquid polymer is dropped through a first vacuum chamber, thereby removing a portion of the...
03/23/2010
7442348Sulfur-bearing residue treatment system
A sulfur-bearing residue treatment system is provided for the recovery of valuable organic components and the reduction of capital costs and operating costs. The treatment system involves the use of a stripping vessel in conjunction with a heating apparatus. All ele...
10/28/2008
7416642System for cooling a heated juice by partial low-pressure evaporation
A system for cooling a heated juice by partial low-pressure evaporation, the system includes a vat with at least two compartments that are connected to each other through a variably positioned shutter element, where the juice is subjected to decreasing pressure redu...
08/26/2008
7390380Processing of shipboard wastewater
Incoming wastewater is preheated in a heat exchanger before delivery to a flash chamber through an orifice for flashing into water vapor rising into an upper section of the flash chamber which also has a bottom section into which liquid waste oil or other contaminan...
06/24/2008
7351312Apparatus for obtaining sample and process therefor
A vessel is provided for collecting a process stream and fractionating the process stream into a liquid and gas phase in the vessel. Cooling may be provided by an internal bath and/or an external bath. The liquid phase retained in the vessel and the gas phase collec...
04/01/2008
7332058Heat exchanger and process for devolatilizing polymers using same
Disclosed is a process for devolatilizing a polymer including passing the polymer through a devolatizer including a plate heat exchanger wherein the plates of the plate heat exchanger are heated by a plurality of heating tubes and wherein the heating tube including ...
02/19/2008
7291250Vacuum distillation system and use thereof for concentrating organic-aqueous solvent mixtures
The present invention relates to a vacuum distillation plant and a process for concentrating organic aqueous solutions, especially spissum extracts, using said plant. The vacuum distillation plant of the invention comprises a flash evaporator, a means for vapor conc...
11/06/2007
7268206Process and apparatus for degassing a polymer
The present invention relates to a process for stripping residual volatile compounds contained in a thermoplastic polymer. The process comprises (1) forming the polymer in the form of a melt flowing as a main stream, (2) forming a foaming agent in the form of one or...
09/11/2007
7252743Method for concentrating solution
An low concentration dope is fed through a nozzle into a concentrating apparatus, and flash evaporation of the low concentration dope is performed at an end of the nozzle. The low concentration dope is concentrated thereby to an concentrating dope which is contained...
08/07/2007
7220397Modified oxygen reduced valve metal oxides
Pressed material such as anodes are described and formed from oxygen reduced oxide powders using additives, such as binders and/or lubricants. Methods to form the pressed material are also described, such as with the use of atomizing, spray drying, fluid bed process...
05/22/2007
7153394System to isolate dianhydrides
A process to isolate dianhydride from an exchange reaction comprises extracting a bisimide/anhydride exchange reaction aqueous phase with an organic solution comprising an exchange catalyst at a first temperature and pressure to form an extracted aqueous phase compr...
12/26/2006
7146746Method of decontamination and decontamination apparatus
A method of decontamination includes generating a decontamination gas by evaporating an aqueous solution in which the decontamination gas with a higher boiling point than water is dissolved. The decontamination gas is charged into a hermetically sealed decontaminati...
12/12/2006
7140122Vacuum treatment of waste stream with anti-incrustation measures
A method of treating a waste stream comprises a vacuum treatment to promote disintegration of the waste material by “flash vapor” production, causing a swiftly vaporizing fraction inside the material to literally explode or shred apart the matrix of the material...
11/28/2006
7087139Apparatus and method for removal of volatiles from a mass processable polymer
The present invention provides an apparatus and method of reducing volatiles in a mass processable polymer. The apparatus includes a multi-chambered devolatilizer having first and second collectors contained therein. In one embodiment, the invention provides a metho...
08/08/2006
7008516Method and apparatus for desalinating and concentrating sea water, desalinated deep water and concentrated deep water
According to a method of desalinating sea water, sea water sampled from deep sea is injected into a decompression chamber of a reduced pressure tank having a steam chamber, steam at an atmospheric pressure superheated to a boiling temperature or higher by high-frequ...
03/07/2006
6998026Method for producing tertiary C-C-alkyl esters of (meth)acrylic acid
A tert-C4–C8-alkyl (meth)acrylate is prepared by reacting (meth)acrylic acid with an olefin of the formula where R1 and R2, which may be i...
02/14/2006
H2134Apparatus and method for forming polymer crumb
The present invention provides a contractor apparatus and method for removing solvent from a polymer cement. The resulting polymer is substantially free of solvent and exhibits improved oil absorption and lower fines. In one aspect, a contractor is provided includin...
12/06/2005
6969446Method for producing concentrated nitric acid and installation for carrying out a method of this type
Process for producing a nitric acid of a concentration from 75 to 99.9% from a more diluted nitric acid, wherein a nitric acid of a concentration of about 45 to 70% is rectified in contact with a liquid extraction medium to prevent the formation of a nitric acid-wat...
11/29/2005
6958107Cyclonic evaporator
A method and apparatus for separating the components of a feed material prior to or simultaneously with at least partially vaporizing one of the components is described. The apparatus comprises at least one inlet (8) for admitting the feed material (10...
10/25/2005
6939444Sulfur-bearing residue treatment system
A sulfur-bearing residue treatment system is provided for the recovery of valuable organic components and the reduction of capital costs and operating costs. The treatment system involves the use of a stripping vessel in conjunction with a heating apparatus. All ele...
09/06/2005
6936140Water distillation system
A distillation system is provided for recovering water from sea water and other polluted water source. The system has a heat engine embodying Carnot cycle and a Rankine cycle formed by heat exchangers, flash evaporator and condenser. Burnt gases from the engine such...
08/30/2005
6887345Process and device for evaporating liquids, for example black liquor from cellulose cooking, which contain solid and dissolved substances
The present invention relates to a process and a device for evaporating liquids, for example black liquor from cellulose cooking, which contain solid and dissolved substances which are to be concentrated. The liquid is heated to close to boiling temperature in a hea...
05/03/2005
6869501Continuous process for controlled concentration of colloidal solutions
A process for evaporating a portion of a colloidal solution, said process including: a) passing a colloidal solution, said colloidal solution including particles in a liquid medium, wherein at least a portion of said liquid medium includes at least one volatile comp...
03/22/2005
6797125Method of treating condensates
The present invention relates to a method of treating condensates containing compounds, which are more volatile than water, in an evaporation plant, where liquid, such as effluent liquid from a pulp or paper mill is evaporated in multiple effects and where condensat...
09/28/2004
6780281Strand evaporator
A strand devolatilizer that includes a degassing container, a product inlet, a product distributor, a product outlet and a vapor outlet is disclosed. The product distributor is in the form of a tube distributor with at least one distributor tube (1) and a plu...
08/24/2004
6761799Method and arrangement for combusting black liquor
The present invention relates to a method and an arrangement for use in connection with the combustion of black liquor. In the method the black liquor is concentrated in a multi-effect evaporation plant in order to obtain black liquor at a suitable dry-solids conten...
07/13/2004
6761797Apparatus for carrying out mass transfer processes
Apparatus for carrying out mass transfer processes with high-viscosity liquids comprising a vertically arranged vessel (1) having a feeder (4) for the liquid to be treated, an outlet (7) for volatile components and an outlet (6) for the t...
07/13/2004
6740205Processing of shipboard wastewater
Incoming wastewater is preheated in a heat exchanger before delivery to a flash chamber through an orifice for flashing into water vapor rising into an upper section of the flash chamber which also has a bottom section into which liquid waste oil or other contaminan...
05/25/2004
6685802Process and apparatus for removing dissolved and undissolved solids from liquids
This invention relates to a continuous process and an apparatus (1) for removing dissolved and undissolved solids and/or high boiling point liquid contaminants from a mixture of miscible liquids (9). A recycle liquor stream (6) is fed at high velocity thr...
02/03/2004
6635150Method 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 evaporating zones and condensation zones. The evaporation zones (EV...
10/21/2003
6627040Device and method for removing volatile components from polymer solutions
A device and process for the removal of volatile constituents from polymers is disclosed. The device entails a container having an inlet for a polymer solution, an outlet for the volatile components, an outflow for the polymer from which the volatile comp...
09/30/2003
6485607Methods for removing volatile components from polymer solutions
A method for removing volatile components from polymer solutions is disclosed. The method, yielding products having low content of residual volatile components and causing no thermal damage to the polymer, entails using apparatuses in which surfaces which...
11/26/2002
6454907Method and apparatus for concentrating slurried solids
Method and apparatus for concentrating slurries by removing liquid in a single effect unit maintained under vacuum to effect low temperature flashing of the liquid. The single effect unit is a single flash column with separate recirculation loops, one to ...
09/24/2002
6444095System for recovering glycol from glycol/brine streams
A system for recovering glycol from glycol and brine mixtures produced from oil or natural gas wells that combines energy efficiency with a capability for handling salt and other solids contained in the mixture. The system comprises three effect evaporato...
09/03/2002
6224716Apparatus for dehydrating oil
A system for dehydrating lubricating and hydraulic fluids includes a heating circuit and circuitry for creating a vacuum. The heating circuitry introduces a stream of heated fluid into a vacuum chamber in which a partial vacuum is drawn by the vacuum circ...
05/01/2001
6106673Method for separating components of a fermentation process byproduct containing oil bound with fibers
A process and system are provided for the separation of a fermentation process byproduct into its constituent components and for the subsequent recovery of those constituent components. The process is remarkably simple--requiring only 1) heating of a mixt...
08/22/2000
6056791Process for the production of particles or powders
In a novel process for the production of particles or powders, a substance or mixture of substances to be treated is provided in a pressure vessel. A highly compressible fluid is dissolved under pressure in the substance or mixture of substances provided ...
05/02/2000
5968312Liquid flow distribution and flow control with dual adjustable orifice plates or overlapping orifices
A method and apparatus for forming an array of multiple parallel flow orifices, for example by holes drilled through a plate in a selected pattern and spacing and of selected sizes or flow diameters, and whereby these orifices are used to provide an appro...
10/19/1999
5925223Process for improving thermal efficiency while producing power and desalinating water
A process and apparatus for improving the thermal efficiency of a steam turbine power generating plant while simultaneously desalinating seawater or brine and purifying water which contains minerals, salts, and other dissolved solids. Exhaust gases from a...
07/20/1999
5772895System for controlling the composition of color coupler on a real-time basis
A system for controlling the composition of color coupler on a real time basis, the system comprises a mixer for mixing the color coupler with a non-permanent solvent for forming a preliminary solution. A heat exchanger receives the preliminary solution f...
06/30/1998
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