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7150320 |
Water treatment method for heavy oil production
A process for treating produced water to generate high pressure steam. Produced water from heavy oil recovery operations is treated by first removing oil and grease. If necessary, the pH is then...
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7008516 |
Method 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...
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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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6866750 |
Device for desalination of water and methods of use
The present invention provides a device and method for desalinating saltwater which utilizes a heatable vessel wherein is placed a sufficient quantity of a salt which will absorb water of...
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6849155 |
Concentrator
This invention provides a concentrator capable of drawing out a concentrate of a constant concentration. The concentrator includes a heater having a heating medium that has been heated to a...
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6699369 |
Apparatus and method for thermal desalination based on pressurized formation and evaporation of droplets
A method for removing dissolved solids, particularly salts, from water. An apparatus for performing the inventive method is disclosed. The aqueous solution to be treated, for example sea water, is...
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6649027 |
Water reclamation system
A water reclamation system for a closed environment includes a mixer that receives brine. A processor is downstream of the mixer, with the processor distilling substantially salt-free water from...
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6582552 |
Method and device for evaporating liquid
A liquid evaporation method and apparatus wherein the contamination of the heat transfer surfaces is avoided by using a special circulating fluid. The liquid to be evaporated is heated in direct...
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6551466 |
Multiple effect distillation process with reduced fouling
A method and apparatus for removing a contaminant from a fluid feed stream containing the contaminant. The method includes the steps of providing a feed stream and heating it in a first step to at...
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6500216 |
Method and apparatus for desalinating sea water, natural salt and fresh water
A method and an apparatus of producing natural salt or fresh water by treating sea water in an extremely short period of time and with high efficiently. The distilled water and salt components are...
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6391361 |
Production of protein-containing powdery product
A method is provided for producing a powdery product from a protein-containing liquid having a dry solid content, providing (1) a first feeding stream of protein-containing liquid, (2) a second...
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6335045 |
Concentration of liquid products
A method for concentration of a liquid food product, the liquid product having a dry solid content of a least 40 percent and the liquid food product comprising crystallizable components, comprising...
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6218592 |
Method and apparatus for the treatment of radioactive evaporator concentrates from nuclear plants
A method for the treatment of radioactive evaporator concentrates from the evaporation system of nuclear plants comprises the steps of (a) freeing the evaporator concentrates from undissolved...
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6086722 |
Minimizing evaporator scaling and recovery of salts during gasification
A process for minimizing evaporator scaling during the recovery of liquids and solids from the aqueous effluent discharged during a partial oxidation gasification, wherein the aqueous effluent...
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6027607 |
Salt extraction process and device
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5984981 |
Salt making method and apparatus
A salt making method comprising putting a crude salt-water mixture (5) comprising crude salt or rock salt and bittern in a vessel (1), blowing the air from a pipe (7) into the mixture (5) with a...
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5857269 |
Process for manufacturing fatty alcohol sulfate products
A process for manufacturing improved granulated fatty alcohol sulfates. The process includes slowly drying and mechanically mixing the fatty alcohol sulfate.
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5423288 |
Apparatus for producing seed crystals
An apparatus for producing seed crystals in melts has a vertically oriented, closed vessel having a vessel base and having at least one inlet for the melt and having at least one outlet opening for...
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5366716 |
Method for recovering sulphur dioxide from the chemical circulation of a sulphate pulp mill
Sulphur dioxide is separated from the flue gases of a cellulose pulp mill by absorbing it into a sodium sulphite solution. Sulphur dioxide is regenerated from the sodium bisulphite solution...
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5133807 |
Process and installation for the continuous production of sugar crystals
A two-stage crystallization for the continuous production of sugar crystals from syrup comprises crystallizing the syrup in a first stage by subjecting the syrup to a sufficient heat of evaporation...
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5122233 |
Apparatus for the treatment of mixture of brines and contaminated mineral salts
An apparatus including a device 1 for separating organic components from a process mixture, a vacuum evaporation device 4 for partially drying the mineral salts or mixtures thereof, a device 5 for...
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5006204 |
Apparatus for crystallizing whey
An apparatus including an evaporator, a pre-crystallizer, a spray dryer and a fluid bed for drying whey and a rotating disc having a cone-shaped upper surface is provided for receiving partially...
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4352717 |
Apparatus for production of spherical grain ferrite powder
Apparatus for producing substantially spherical grain ferrite powder comprising a vertical cylindrical vessel in which a slurry of ferrite-forming powdered raw materials in alcohol is sprayed under...
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4318772 |
Saturated liquor cooling tower
The invention is method and apparatus for removing dissolved solids from water by creating a condition of super-saturation of the solids material within a confined water circuit, propagating the...
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4288285 |
Apparatus for forming a vortex
Apparatus for forming a vortex includes inner and outer wall structures. The inner wall has a downward flow passageway therewithin. A plurality of vanes are provided between the wall structures to...
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4278494 |
Immersion evaporator
An immersion evaporator is disclosed having, connected to its evaporation vessel, a pipe for feeding a solution to be concentrated by evaporation into the evaporation vessel, a riser pipe for...
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4276117 |
Process of treating potassium chloride brine by evaporation and crystallization
Disclosed is an improved method of producing potassium chloride by concentrating a brine thereof with respect to potassium chloride by multiple stage evaporation conducted at progressively higher...
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4252602 |
Apparatus for recovering nitric acid and hydrofluoric acid from solutions
Apparatus is disclosed for treating pickling solutions used for pickling metal, such as iron, steel, special alloys, or the like. In a preferred embodiment, the apparatus includes an evaporator, a...
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4245998 |
Method and apparatus for crystallization of solution containing salts
To remove salts from a solution containing the salts, hot air is injected downwards into the solution in a concentrator, and the solution is concentrated by direct contact with the hot air, thereby...
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4246242 |
Method of removing gaseous pollutants from flue gas
A spray dryer apparatus is used to bring a water solution or slurry of finely-divided, basic reactant into intimate contact with a flue gas bearing acidic gases or vapors. The basic material reacts...
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4231840 |
Method of concentrating an aqueous solution by multiple effect evaporating
Disclosed is an improved method of concentrating an aqueous solution containing a first salt and a second salt, the solubility of the first salt increasing more with increasing temperature than the...
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4231839 |
After-treatment processes and apparatus, especially for urea and ammonium nitrate plants
Disclosed are after-treatment processes and apparatus for synthesis plants, particularly urea and ammonium nitrate plants, but applicable also to various other plants in which the synthesis...
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4224036 |
Method of concentrating salt solutions
Disclosed is an improved method of concentrating an aqueous solution containing a first salt and a second salt, the solubility of the first salt increasing more greatly with increasing temperatures...
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4219589 |
Process for urea granulation
Urea granules are prepared by spraying an aqueous urea solution having a urea concentration of 70-99.9% by weight on to fluidized urea nuclei in the form of droplets having a mean drop diameter of...
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4210421 |
Method for reducing kcl tailings loss from evaporation
Disclosed is an improved method of concentrating with respect to a first salt an aqueous solution containing the first salt and a second salt, the solubility of the first salt increasing more with...
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4155774 |
Process for controlling the rate of growth of particulate masses
A vacuum pan is controlled by directly monitoring the total solids concentration of a boiling solution. A preferred type of process relates the change in concentration of sugar in a massecuite to...
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4141783 |
Spray drying atomizer wheel
Milk or similar liquids are spray dried using a rotary atomizer wheel whereby such a temperature is imparted to the liquid that a violent release of gas and vapor from the liquid takes place in the...
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4120746 |
Multiple steam chest series flow evaporator
A method for evaporating a liquor comprised of a solvent and solute in a multiple external heat exchanger type evaporator having a vapor body means with an inlet means and an outlet means...
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4120745 |
Semi-continuous vacuum pan system
This invention pertains to a low head semi-continuous vacuum pan system for crystallization of a substance from solution of the substance, including the crystallization of a sugar from a sugar...
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4116756 |
Spray drying on woven belt of monofilament synthetic fiber
A processing housing containing a primary stage spray chamber, a filter stage and redryer chamber, a second stage drying chamber and a cooling stage chamber all in communication one with the other....
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4060118 |
Recovering chloride flux salts for aluminum
A method and apparatus for recovering flux salt and recycling or reusing the same in an aluminum refining method by introducing salt brine into a cylindrical evaporator with hot evaporator gas,...
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4054493 |
Method and apparatus for converting saline water to fresh water
Preheated saline water, typically sea or brackish water, is further heated by quanta of steam, passed to it at differential temperatures and pressures and condensed in the saline water. Scale...
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4052255 |
Spray dryer discharge system
A new and improved discharge system for a spray dryer that permits the immediate exit of dry solids from the chamber of a spray dryer is disclosed. The spray dryer apparatus of the invention...
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4050953 |
Process for continuously producing sugar
In a continuous sugar evaporator-crystallizer having a plurality of evaporating-crystallizing vessels as stages, each evaporating-crystallizing stages being communicated one to another in series...
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4019951 |
Magma cooling tower
The invention is a method for removing dissolved solids from water by creating a condition of super-saturation of the solid material within a confined water circuit, propagating the formation of...
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4016001 |
Method and device for obtaining sugar crystals from a sugar solution
A method and a device for obtaining sugar crystals from a sugar solution by concentrating the thick juice emanating from the multi-stage evaporator in a continuously operating pre-concentrator to a...
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4009045 |
Continuous crystallization process and apparatus
Sugar is continuously crystallized from a sugar bearing solution in a single stage vacuum pan by a method and apparatus comprising means for and the steps of continuously supplying a sugar bearing...
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3988414 |
Treatment of waste water from uranium ore preparation
An improved closed-loop process is described for treating waste water resulting from chemical extraction of uranium from ore. The water is evaporated to form a concentrated solution and is then...
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3981739 |
Continuous crystallization
A crystallizable solute is crystallized from a solution containing the same by introducing a solution of said solute into a first stage evaporative-crystallization zone together with seed solute...
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3963424 |
Cooling aqueous alkali metal hydroxide liquors by vacuum evaporation with subsequent solids precipitate removal
A method and apparatus for cooling aqueous alkali metal hydroxide liquors such as, for example, caustic soda liquors, involving the vacuum cooling of a body of such liquor in an evaporating chamber...
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