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8157099 |
Apparatus and method for separating materials
A material separator for separating at least two different materials of differing densities and/or sizes of particles. The material separator generally includes a tank containing a flocculent, a...
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8127930 |
Amine-aldehyde resins and uses thereof in separation processes
Amine-aldehyde resins are disclosed for removing a wide variety of solids and/or ionic species from the liquids in which they are suspended and/or dissolved. These resins are especially useful as...
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8101068 |
Constant specific gravity heat minimization
A process of regulating the water content of water-fluidized oil sand ore during processing of the ore is disclosed. The weight (mo) of a sample charge of oil sand ore having a bulk volume (Vt) is...
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8097167 |
Concentration of suspensions
The present invention relates to a process of concentrating an aqueous suspension of solid particles comprising the steps of adding at least one organic polymeric flocculant to the suspension...
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8083068 |
Apparatus for separating particles utilizing engineered acoustic contrast capture particles
An apparatus for separating particles from a medium includes a capillary defining a flow path therein that is in fluid communication with a medium source. The medium source includes engineered...
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7775372 |
Apparatus and method for separating materials
A material separator for separating at least two different materials of differing densities and/or sizes of particles. The material separator generally includes a tank containing a flocculent, a...
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7648032 |
Effective reductive bleaching of mineral slurries
Disclosed herein are a method of reductively bleaching a mineral slurry comprising adding in the mineral slurry an effective amount of a formamidine sulfinic acid (FAS) and an effective amount of a...
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7611575 |
High solids, large particle, calcined kaolin slurries
The present invention relates to coarse calcined kaolin slurries having a high solids content. The invention also relates to methods of making such slurries. The resulting slurries can have a...
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7536827 |
Hydroponic growing enclosure and method for growing, harvesting, processing and distributing algae, related microorganisms and their by products
Systems and methods for hydroponically growing microorganisms within a self-contained air-supported structure, in which microorganisms are grown in an organic slurry, harvested, and processed to...
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7494541 |
Kaolin pigments and methods of making the same
Disclosed are methods of processing kaolin to produce two distinct grades of kaolin in a simultaneous manner. The methods involve processing kaolin by degritting a kaolin crude; subjecting the...
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7373996 |
Method and system for separation of drilling/production fluids and drilled earthen solids
A method of separating drilling/production fluids from solid cuttings from a mixture received from down hole, without the use of shale shakers, de-sanders, or de-sanders, through the steps of...
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7306668 |
Kaolin pigment having high brightness and narrow particle size distribution and method of preparation therefor
The present invention provides high brightness kaolins exhibiting a Brightness (GE) of at least about 90.0. The hydrous kaolin pigments of the present invention may also have, inter alia, a...
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7244361 |
Metals/minerals recovery and waste treatment process
A metals/minerals recovery and waste treatment process comprising a main separation stage in which a metal/mineral-bearing ore is slurried with water and separated into an enriched fraction and an...
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7189327 |
Use of anionic copolymers for enhanced recovery of useful coal and potassium chloride from screen bowl centrifuge
A method of enhancing the recovery of useful coal or potassium chloride from screenbowl centrifuge separation operations comprising adding to the screenbowl centrifuge, from about 0.005 lbs active...
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7153436 |
Method for enhancing cyclonic vessel efficiency with polymeric additives
The present invention is directed to a novel method and system for enhancing the efficiency of hydraulic centrifugal separators (cyclones) in the removal of fine size particles from a liquid...
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7122080 |
Integrated process for simultaneous beneficiation, leaching, and dewatering of kaolin clay suspension
The present invention provides an improved method of beneficiating and dewatering kaolin clays. The product of the improved process is a brightened, dewatered kaolin, suitable for use in pigments...
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7087174 |
Enhanced recovery of useful coal, potassium chloride and borax from screen bowl centrifuge
A method of enhancing the recovery of useful coal or potassium chloride or borax from screenbowl centrifuge separation operations comprising adding to the screenbowl centrifuge, from about 0.03 lbs...
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7037432 |
Buoyant media flotation
A clarification system for fluids in which particles are separated from the fluid by flotation and in which the buoyant media inducing the flotation is recycled. Flotation can be assisted by a...
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6979405 |
Flocculation of mineral suspensions
A method of dewatering an aqueous mineral suspension comprising introducing into the suspension a flocculating system comprising, a) a substantially non-ionic polymeric flocculant and b) an anionic...
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6855260 |
Methods of enhancing fine particle dewatering
A new method of improving the process of dewatering fine particulate materials is disclosed. In this method, an aqueous slurry of fine particles is treated with appropriate hydrophobizing reagents...
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6805242 |
Method of reducing phosphate ore losses in a desliming process
The specification describes one or more embodiments of the present invention, which relates to a method of reducing phosphate ore losses in a desliming process. A phosphate ore preparation slurry...
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6797180 |
Dewatering sand with surfactants
Methods of enhancing the dewatering of sand are disclosed. The methods include adding an anionic or nonionic surfactant to the wet sand prior to dewatering.
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6767465 |
Process for treating fine coal particles
A process for recovering fine coals and clarifying water for recycling features with three distinct mechanisms: hydrophobic extraction, electrolyte coagulation, and macromolecular flocculation,...
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6742657 |
Integral dilute media/plant clean-up sump and pump
In a mineral preparation plant which receives a raw mineral feed and separates the raw mineral feed into a clean mineral and a refuse, an apparatus is provided for use therein. The apparatus...
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6726845 |
Dextran starch and flocculant combination for improving red mud clarification
The claimed invention is a method for separating Bayer process red mud from a Bayer process liquor which comprises adding to a Bayer process liquor containing red mud an effective amount of a water...
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6652757 |
Method for high speed dewatering of slurries
A system and method for dewatering a continuous stream of slurry at high flow rates demonstrates enhanced efficiency, economy and ease of operation. A stream of slurry is subject to continuous or...
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6615987 |
Method of treating an aqueous suspension of kaolin
A method of treating a kaolin particulate material to improve its properties by removal of impurities which includes the steps of: (a) producing a dispersed aqueous suspension of a kaolin...
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6582610 |
Concrete grindings reclamation system
A method for treating a fluid slurry with concrete grindings to separate constituents thereof, the constituents including water, sand and cement particles, the method including removing solids...
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6544425 |
Method for dewatering coal tailings and slurries and removing contaminants therefrom
A method of dewatering a mixture of coal tailings, water and contaminants comprising the steps of (a) providing a tank having a base surface and introducing said mixture of coal, tailings, water,...
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6513663 |
Powder feeding device
The invention discloses a method and a device for de-agglomeration and electrostatic charging of a fine powder preferably intended for inhalation purposes. The electrostatic charging takes place by...
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6444601 |
Purified attapulgite clay
A method for producing an Attapulgite clay (Fuller's Earth) that significantly removes other types of clays and minerals, resulting in improved performance. A unique dispersant is used that will...
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6390301 |
Process for removing impurities from kaolin clays
A process for the flocculation of impurities from clays in which the following steps are performed: blunging the clay with a dispersing agent or combination of dispersing agents in water to form an...
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6375853 |
Methods of using modified natural products as dewatering aids for fine particles
Naturally occurring lipids of vegetable and animal origin are broken into smaller molecules, and used as dewatering aids. The process of breaking the molecules include transesterification,...
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6273262 |
Particle concentration device
A device comprises a means for radiating ultrasound from one face of a chamber holding a sample solution containing particles to be concentrated, and a reflective face inclined to the face...
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6269952 |
Methods and apparatus for use in processing and treating particulate material
Spheres are released from within plurospheres by mixing a fluid with fly ash or bottom ash particulate material obtained by burning coal to form a slurry. The slurry is vibrated at an ultrasonic...
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6235107 |
Method for separating mixture of finely divided minerals and product thereof
A method for the treatment of a kaolin clay crude to separate by selective flocculation impurity particles contained in the crude from finely divided kaolinite particle contained in the crude,...
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6231768 |
Rheology modification of settled solids in mineral processing
The present invention comprises a method for reducing the viscosity of the settled mud or underflow of a raked thickener thereby reducing the torque necessary to move the rake blade through the...
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6231767 |
Treatment of phosphatic wastes
A process for treating thickened phosphatic clay suspensions, waste clay and phosphogypsum produced in the processing of phosphate ore by water beneficiation and chemical processing, the thickened...
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6214237 |
Process for treating solid waste slurry
A process for the treatment of a solid waste slurry formed from solid waste particles mixed with a liquid includes delivering a solid waste slurry to a first solid-liquid separation means for...
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6203711 |
Method for treatment of substantially aqueous fluids derived from processing inorganic materials
A process is provided which can be used, for example, to clarify substantially aqueous fluids and separate solids from the fluid. The process comprises combining the fluid with a composition which...
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6200377 |
Process for beneficiation of mixtures of mineral particles
An improved process for the beneficiation of mixtures of mineral particles (such as kaolin clays) containing minerals which chelate with hydroxamates. The use of a silicon-containing compound in...
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6193070 |
Apparatus for separating solids drilling fluids
A solids separation system may be used to separate solids, such as cuttings from drilling fluids used in well drilling operations. The system includes a settling tank having transverse baffles...
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6186335 |
Process for beneficiating kaolin clays
A improved process for beneficiating kaolin clays to remove discoloring impurities is disclosed. The beneficiation of kaolin clay is improved by fractionating a kaolin clay starting material into a...
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6171506 |
Thickening of aqueous mineral suspensions
A process of thickening an aqueous suspension of mineral solids by sedimentation comprising adding to the suspension water-soluble anionic bridging polymeric flocculant having intrinsic viscosity...
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6158591 |
Method and apparatus for extracting plant resins
An improved method and apparatus for extracting resin from plant material. Conventionally, plant resins, which are useful in many products, are extracted using chemical solvents, which may alter...
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6149012 |
System and method for cleaning and recovering plastic from coated fiber polywaste
A method for recovering densified plastic from mixed waste containing plastic and less than about 15 weight percent paper, and having a density ranging from about 2 to about 3 pounds per cubic...
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6142309 |
Method of determining the amount of residue in carbon black
Test methods are provided for determining the amount of contaminants in a carbon black sample. The test procedures include screening a known amount of carbon black to separate larger particles in...
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6130179 |
Purified attapulgite clay
A method for producing an attapulgite clay (Fuller's Earth) that significantly removes other types of clays and minerals, resulting in improved performance. A unique dispersant is used that will...
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6126837 |
Method for removing suspended particles using mannich-derived polyethers
Methods for removing suspended particles from a solution are disclosed. These methods generally comprise adding to the solution to be treated an effective amount of a composition comprising a...
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6126014 |
Continuous air agglomeration method for high carbon fly ash beneficiation
The carbon and mineral components of fly ash are effectively separated by a continuous air agglomeration method, resulting in a substantially carboree mineral stream and a highly concentrated...
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