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7332058 |
Heat 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...
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7097736 |
Dairy wastewater treatment
A process and apparatus for recycling dairy wastewater wherein the wastewater is supplied to at least one first evaporation apparatus to produce a water distillate and sludge. The sludge is then...
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6984292 |
Water treatment process for thermal heavy oil recovery
There is disclosed a method and apparatus for treating produced water from a heavy oil thermal recovery unit to achieve water recovery and recycle levels of greater than 80% and as high as 100% to...
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6908533 |
Rotating heat exchanger
An evaporator and condenser unit for use in distilling a liquid, such as water, includes a rotary heat exchanger plate having a plurality of folds or pleats. Adjacent panels of the folded plate...
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6878342 |
Apparatus for determining temperance of and controlling the evaporation of liquid samples
An apparatus for evaporating liquid samples contained in sample holders mounted within a chamber and by rotated by the rotor during an evaporation process in which the pressure in the chamber is...
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6846387 |
Rotating fluid evaporator and condenser
An evaporator and condenser unit for use in distilling a liquid, such as water, includes a rotary heat exchanger plate having a plurality of accordion-style folds, and having its two ends joined...
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6761802 |
Tunnel for distillation of fresh water from ocean salt water
A closed tunnel system for distilling fresh water from ocean salt water is provided with an elongated evaporation plate adapted to hold ocean water for evaporation therefrom. During the...
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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...
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6627040 |
Device 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...
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6623603 |
Method and apparatus for water purification
A method and apparatus for purifying water by using thermal and/or thermocatalytic processes. The method and apparatus are particularly useful for processing impure water to remove and/or...
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6435270 |
Lamina stack for a two-pass evaporator
A lamina stack for a two-pass evaporator composed of laminae for converting two media mass streams from a liquid state into a gaseous state, comprises at least two laminae. Structures comprising...
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6213197 |
Air conditioning apparatus as well as components thereof
A sorption unit for air-conditioning technology apparatus with sheets for heat emission, past which water vapor is passed. The sheets are provided with zeolite, that forms string-shaped profiled...
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6152216 |
Evaporator unit
An evaporator unit in the form of a plate construction has evaporation spaces and heat transfer medium spaces respectively arranged between successive plates. The plates have an essentially...
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5968321 |
Vapor compression distillation system and method
Distillation system having an evaporator/condenser core with heat transfer plates welded together along their edges to form alternate boiling and condensing chambers. Feed liquid is supplied to the...
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5927383 |
Heat exchanger and a method for producing the same
The method relates to a film heat exchanger and a method for constructing the same. The heat exchanger comprises bags (1) made of film material in order to transfer heat from the steam to be...
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5814192 |
Vapor compression distillation apparatus
A vapor compression distillation apparatus includes a vessel for containing a liquid to be distilled and a heat exchanger of the shell and tube type immersed in the liquid. The heat exchanger has...
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5810976 |
Device for processing water having high concentrations of scale forming compounds and high solids content in a high efficiency vapor compression distillation system
A device for processing water having high concentrations of scale forming compounds and high solids content in a high efficiency vapor compression distillation system wherein a plate-in-frame heat...
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5800673 |
Stack type evaporator
A stack type evaporator includes tubular elements 1 each having a plurality of inwardly protruding recessed ribs 7 which extend from an upper header portion 1a of the element to a lower header...
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5770020 |
Distillation apparatus
The invention relates to a distillation apparatus (1) which is suitable in particular for the distillation of sea water into fresh water. The apparatus includes a plurality of flat, bag-like...
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5755924 |
Apparatus for treating liquid products
An apparatus, e.g. centrifugal evaporator, has at least one rotary treatment surface, e.g. a heated evaporating surface, which rises outwards from the rotation axis, a liquid feed in the vicinity...
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5738761 |
Sewage treatment process and apparatus
A waste water treatment system includes a preliminary first stage separator for separating an aqueous phase from other materials. A pressure vessel sedimentation follows for removing most of the...
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5728273 |
Method and installation for bringing a gas and a liquid into contact with one another
Method for bringing a gas and a liquid into contact with one another, the liquid being passed in the form of a film over an evaporator surface (1) provided with small openings and the gas being fed...
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5653852 |
Distilling device
A distilling device has an undistilled water tank to contain undistilled water, a cover covering the tank, a water heating area communicating with the tank, a high-frequency oscillator disposed...
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5630956 |
Oil filtering and refining device
A device for filtering and refining oil being cycled through an engine includes a container, a cover having an evaporator plate incorporated therein, and a filter cartridge. The evaporator plate is...
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5597453 |
Apparatus and method for vapor compression distillation device
A vapor compression distillation/product concentration device includes an evaporator/condenser core, with alternating boiling and condensing chambers with edge manifolds such that substantially the...
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5587054 |
Vapor compression distillation system
A vapor compression distillation system including a boiler/condenser assembly wherein a portion of the condensate is redirected back to the condenser inlet to extract superheat from the compressed...
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5587053 |
Boiler/condenser assembly for high efficiency purification system
A boiler/condenser assembly for a high efficiency purification system including a plate-in-frame type heat exchanger wherein vertically extending common plate members are provided with corrugated...
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5575889 |
Rotating falling film evaporator
Heating elements having internal spaces for a heating medium such as steam are successively submerged and withdrawn from a bath of liquid to be evaporated. Vapor boiling off the outer surfaces of...
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5558748 |
Plate-type distillation/condensation apparatus and method of use
A plate-type distillation/condensation apparatus and a method of using same to separate at least two volatility-differing liquid or vapor components from a mixed fluid stream thereof are disclosed,...
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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...
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5509471 |
Distribution pattern of a plate heat exchanger
A plate heat exchanger for evaporation of a liquid includes a number of thin heat transfer plates (4), provided with corrugation pattern in the form of ridges and grooves, which in each second...
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5453158 |
Polymer devolatilizer
An improved polymer devolatilization apparatus including a flat plate heater having a multiplicity of flat plates defining a plurality of channels, each channel having a substantially uniform...
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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...
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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...
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5340443 |
Distillation apparatus with paired membrane units
The invention relates to a distillation apparatus including a housing (1) a blower (2), preheat exchangers (7) and (8) and an evaporative condenser (25) comprising pairs (13) of membranes. One pair...
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5316628 |
Process and device for the simultaneous transfer of material and heat
A process for simultaneously exchanging material and for exchanging heat, material change being effected between a gas phase and at least one liquid phase by contact and passage in opposite...
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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...
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5259927 |
Apparatus for thickening liquids
An apparatus for thickening liquids with solid contents has a container receiving the liquid and a vapor outlet and a heater, which is positioned in the liquid column in the container. The heater...
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5232557 |
Heat transfer plates evaporation and condensation apparatus
In a plate heat exchanger for evaporation of a liquid by means of a heat emitting vapor every second plate interspace forms an evaporation passage (28) and the rest of the plate interspaces form...
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5203406 |
Plate evaporator
In a plate evaporator of the falling film type, every second plate interspace constitutes an evaporation space (28) in which evaporation liquid is distributed across the width of the plates in...
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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...
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5084134 |
Process for the devolatilization of polymer solutions
A process for the devolatilization of polymer solutions including: (a) feeding the solution to a zone of indirect thermal exchange in which the ratio between the surface of thermal exchange and...
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4978429 |
Apparatus including its own combination manifold/support assembly for producing a concentrate and a distillate
An apparatus especially suitable for distilling water is disclosed. This apparatus, as disclosed, includes first and second separate and distinct groups of adjacent, confronting plate members, each...
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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...
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4936954 |
Apparatus for separating liquid mixtures by pervaporation
A liquid mixture is separated by pervaporation in an apparatus formed by a unitary stack of upright rectangular plates, diaphragms, and seals held together by tie rods. Each of the plates is formed...
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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...
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4853088 |
Solar enhanced separation of volatile components from a liquid
A process and apparatus for separating volatile components from a volatile-containing liquid by a stripping gas flowing countercurrent to the liquid. Separation of the volatile components is...
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4808262 |
Method for devolatilizing polymer solutions
A method and apparatus for devolatilizing high viscosity polymer solutions are provided wherein high viscosity polymer solutions are heated along a short zone of indirect heat exchange. The...
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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....
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4769113 |
Method for recycling energy in counterflow heat exchange and distillation
This document describes an improved method and apparatus for recycling energy in counterflow heat exchange and distillation. The basis of the invention is transferring heat with thin sheets of...
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