Selective Differentiation Patents (Class 209/4)
  • Patent number: 11925943
    Abstract: A method of separating a shell from a seed may involve introducing a feed stream containing shells of a fruit intermixed with seeds of the fruit into a separation column at a feed stream location. The method may also involve introducing a first volume of a separation liquid into the separation column at a first liquid addition location located below the feed stream location and a second volume of the separation liquid into the separation column at a second liquid addition location located above feed stream location. The separation liquid may flow upwardly in the separation column at a rate effective to cause the seeds of the fruit to flow upwardly with the separation liquid toward a seed outlet of the separation column while the shells of the fruit flow downwardly against the upwardly flowing separation liquid toward a shell outlet of the separation column.
    Type: Grant
    Filed: March 24, 2021
    Date of Patent: March 12, 2024
    Assignee: CROWN IRON WORKS COMPANY
    Inventor: Wade Steven Martinson
  • Patent number: 11628476
    Abstract: Disclosed is a system for sorting copper-bearing ore to select portions having a desired target copper content. The system includes a first magnetic resonance analyzer for measuring the copper content of ore input into the system and a controller that controls a diverter to divert portions of the input ore to a collection path when the copper content meets or exceeds a predetermined cut-off value. The system also includes a second magnetic resonance analyzer to measure the copper content of the ore in the collection path. The measurements are then fed back to the controller where the controller can adjust the predetermined cut-off value above, up or down, to optimize the yield of ore with the targeted copper content.
    Type: Grant
    Filed: October 9, 2020
    Date of Patent: April 18, 2023
    Assignee: CD Processing Ltd.
    Inventors: Daniel Shaw, James Saville
  • Patent number: 10245596
    Abstract: An electrostatic modification reagent and a process for beneficiating a mineral substrate by electrostatic separation as described herein. The electrostatic modification reagent may be used in an electric separation process for separating components from a mineral ore or sand.
    Type: Grant
    Filed: July 1, 2016
    Date of Patent: April 2, 2019
    Assignee: Cytec Technology Corp.
    Inventors: Sathanjheri A. Ravishankar, Harsha Kolla, Bing Wang
  • Patent number: 9909117
    Abstract: 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 acoustic contrast capture particle having a predetermined acoustic contrast. The apparatus includes a vibration generator that is operable to produce at least one acoustic field within the flow path. The acoustic field produces a force potential minima for positive acoustic contrast particles and a force potential minima for negative acoustic contrast particles in the flow path and drives the engineered acoustic contrast capture particles to either the force potential minima for positive acoustic contrast particles or the force potential minima for negative acoustic contrast particles.
    Type: Grant
    Filed: April 14, 2016
    Date of Patent: March 6, 2018
    Assignee: Los Alamos National Security, LLC
    Inventors: Gregory Kaduchak, Michael D. Ward
  • Patent number: 9339744
    Abstract: 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 acoustic contrast capture particle having a predetermined acoustic contrast. The apparatus includes a vibration generator that is operable to produce at least one acoustic field within the flow path. The acoustic field produces a force potential minima for positive acoustic contrast particles and a force potential minima for negative acoustic contrast particles in the flow path and drives the engineered acoustic contrast capture particles to either the force potential minima for positive acoustic contrast particles or the force potential minima for negative acoustic contrast particles.
    Type: Grant
    Filed: September 10, 2014
    Date of Patent: May 17, 2016
    Assignee: Los Alamos National Security, LLC
    Inventors: Gregory Kaduchak, Michael D Ward
  • Publication number: 20150060581
    Abstract: The present invention provides a method for producing particles having a reduced particle size distribution, which method comprises the steps of: a) providing a composition comprising particles; b) subjecting the particles in said composition to a size reduction step or to a size growth step; c) feeding said particles to a first membrane separation system to separate said particles according to size; d) recycling those particles that do not meet the size criteria back to step a); e) optionally, collecting in a collection tank the permeate of the first membrane separation system. Particles obtainable according to the method of the invention and characterized by having a near monodisperse particle size distribution are also provided. The particles are preferably characterized by having a particle size distribution with a span of less than 2.0. The invention also provides pharmaceutical compositions comprising particles according to the invention, and also apparatus for carrying out the method of the invention.
    Type: Application
    Filed: March 28, 2013
    Publication date: March 5, 2015
    Applicant: HOVIONE INTERNATIONAL LTD
    Inventors: José Luis Santos, Filipe Gaspar
  • Patent number: 8969425
    Abstract: The present invention relates to a process for separating two or more components of a plastic material for the purposes of recycling, with particular application to purifying poly(ethylene terephthalate) (PET) during recycling procedures. The process comprises contacting a quantity of the plastic material with one or more discrete pre-heated particles.
    Type: Grant
    Filed: February 22, 2013
    Date of Patent: March 3, 2015
    Assignee: Nextek Limited
    Inventor: Edward Kosior
  • Patent number: 8967384
    Abstract: A method of sorting mined material, such as mined ore, is disclosed. The method comprises exposing particles of mined material to radio frequency electromagnetic radiation and heating particles depending on the minerals present in the particles and then thermally analyzing particles exposed to radio frequency electromagnetic radiation to detect temperature differences between particles which indicate differences in the minerals in the particles. The method also comprises sorting the particles on the basis of the results of the thermal analysis.
    Type: Grant
    Filed: December 21, 2010
    Date of Patent: March 3, 2015
    Assignee: Technological Resources Pty Ltd
    Inventors: Samuel Kingman, Georgios Dimitrakis, Christopher Dodds
  • Publication number: 20140374323
    Abstract: 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 acoustic contrast capture particle having a predetermined acoustic contrast. The apparatus includes a vibration generator that is operable to produce at least one acoustic field within the flow path. The acoustic field produces a force potential minima for positive acoustic contrast particles and a force potential minima for negative acoustic contrast particles in the flow path and drives the engineered acoustic contrast capture particles to either the force potential minima for positive acoustic contrast particles or the force potential minima for negative acoustic contrast particles.
    Type: Application
    Filed: September 10, 2014
    Publication date: December 25, 2014
    Inventors: Gregory Kaduchak, Michael D. Ward
  • Patent number: 8900444
    Abstract: A solvent that reversibly converts from a hydrophobic liquid form to hydrophilic liquid form upon contact with water and a selected trigger, e.g., contact with CO2, is described. The hydrophilic liquid form is readily converted back to the hydrophobic liquid form and water. The hydrophobic liquid is an amidine or amine. The hydrophilic liquid form comprises an amidinium salt or an ammonium salt.
    Type: Grant
    Filed: November 8, 2013
    Date of Patent: December 2, 2014
    Assignees: Queen's University at Kingston, GreenCentre Canada
    Inventors: Philip G. Jessop, Lam N. Phan, Andrew J. Carrier, Rui Resendes, Dominik Wechsler
  • Patent number: 8863958
    Abstract: 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 acoustic contrast capture particle having a predetermined acoustic contrast. The apparatus includes a vibration generator that is operable to produce at least one acoustic field within the flow path. The acoustic field produces a force potential minima for positive acoustic contrast particles and a force potential minima for negative acoustic contrast particles in the flow path and drives the engineered acoustic contrast capture particles to either the force potential minima for positive acoustic contrast particles or the force potential minima for negative acoustic contrast particles.
    Type: Grant
    Filed: November 14, 2011
    Date of Patent: October 21, 2014
    Assignee: Los Alamos National Security, LLC
    Inventors: Gregory Kaduchak, Michael D. Ward
  • Patent number: 8852679
    Abstract: Embodiments of the current invention describe a high performance combinatorial method and apparatus for the combinatorial development of coatings by a dip-coating process. The dip-coating process may be used for multiple applications, including forming coatings from varied sol-gel formulations, coating substrates uniformly with particles to combinatorially test particle removal formulations, and the dipping of substrates into texturing formulations to combinatorially develop the texturing formulations.
    Type: Grant
    Filed: June 15, 2011
    Date of Patent: October 7, 2014
    Assignee: Intermolecular, Inc.
    Inventors: Nikhil D. Kalyankar, Nitin Kumar, Zhi-Wen Sun, Kenneth A. Williams
  • Patent number: 8827079
    Abstract: A magnetic reagent contains magnetic microparticles and a compound of the formula (I) as defined herein. The magnetic reagent may be used in a magnetic separation process for the removal of impurities from mineral substrates.
    Type: Grant
    Filed: September 8, 2011
    Date of Patent: September 9, 2014
    Assignee: Cytec Technology Corp.
    Inventors: Sathanjheri A. Ravishankar, Abdul K. Gorken
  • Publication number: 20140197076
    Abstract: A method of extracting targeted metallic minerals from ores that contain sulfide metallic minerals along with oxide minerals, carbonate minerals, silicate minerals, halide minerals or combinations thereof. In the method, an ore slurry containing the metallic mineral in oxide, carbonate, silicate or halide form is provided. The slurry is activated by adding sodium thiosulfate and sodium metabisulfite, whereby the targeted metallic mineral forms an intermediary metal complex with the sodium thiosulfate and sodium metabisulfite. One or more metal release components are introduced into the ore slurry; whereby the targeted metallic mineral is released from the intermediary metal complex to form a metal sponge. This metal sponge is then subjected to a flotation process, whereby the targeted metallic mineral is drawn out of the ore slurry and thereby extracted from the ore.
    Type: Application
    Filed: January 13, 2014
    Publication date: July 17, 2014
    Inventor: William D. Simmons
  • Patent number: 8580124
    Abstract: A solvent that reversibly converts from a hydrophobic liquid form to hydrophilic liquid form upon contact with water and a selected trigger, e.g., contact with CO2, is described. The hydrophilic liquid form is readily converted back to the hydrophobic liquid form and water. The hydrophobic liquid is an amidine or amine. The hydrophilic liquid form comprises an amidinium salt or an ammonium salt.
    Type: Grant
    Filed: October 28, 2010
    Date of Patent: November 12, 2013
    Assignees: Queen's University at Kingston, GreenCentre Canada
    Inventors: Philip G. Jessop, Lam N. Phan, Andrew J. Carrier, Rui Resendes, Dominik Wechsler
  • Publication number: 20130217791
    Abstract: Use of a Maillard reaction product as an adjuvant in a variety of applications including solid-liquid separations, corrosion inhibition, emulsification, dust suppression, slow release fertilization, viscosity modification and others and especially as a depressant or collector in separation processes, including the selective separation of solids and/or ionic species from aqueous media, such as in the process of froth flotation.
    Type: Application
    Filed: March 20, 2013
    Publication date: August 22, 2013
    Applicant: Georgia-pacific Chemicals LLC
    Inventor: Georgia-pacific Chemicals LLC
  • Publication number: 20130186992
    Abstract: An apparatus for sorting mined material, such as mined ore, includes an applicator for exposing fragments of a material to electromagnetic radiation and an assembly for distributing fragments from the applicator so that the fragments move downwardly and outwardly from an upper inlet of the assembly and are discharged from a lower outlet of the assembly as individual, separate fragments that are not in contact with each other. The apparatus also includes a detection and assessment system for detecting and assessing one or more than one characteristic of the fragments and a sorting means in the form of a separator for separating the fragments into multiple streams in response to the assessment.
    Type: Application
    Filed: August 4, 2011
    Publication date: July 25, 2013
    Applicant: TECHNOLOGICAL RESOURCES PTY. LIMITED
    Inventors: Grant Ashley Wellwood, Samuel Kingman, Georgios Dimitrakis, Christopher Dodds
  • Publication number: 20130180891
    Abstract: The invention relates to a pipe separator (5) for electrostatically separating particles of a mixture of valuable materials, e.g., a mineral salt mixture, having different electrical charges, comprising a carrier pipe (10), wherein the carrier pipe has two field electrodes (8, 9) arranged opposite each other for generating an electric field, wherein the field electrodes (8, 9) are covered toward the inside by an insulating layer.
    Type: Application
    Filed: March 1, 2011
    Publication date: July 18, 2013
    Applicant: K+S AKTIENGESELLSCHAFT
    Inventors: Kurt Binder, Frank Bock, Michael Krueger, Fabian Stich
  • Patent number: 8486274
    Abstract: The present invention relates to methods for the separation of materials from heterogeneous fluids and provides a means of effecting stimulant-sensitive flocculation and consolidation of solid suspensions within a liquid medium. Specifically, the present invention provides a method of controlling the state of a suspension of solid particles in a liquid, including applying to the suspension a stimulus adapted to control inter-particle forces between the solid particles. The stimulus is reversibly operable to control attraction and/or repulsion. Means of consolidating a sediment bed and of separating the resultant liquids-rich and solids-rich phases are also within the ambit of the invention.
    Type: Grant
    Filed: August 27, 2004
    Date of Patent: July 16, 2013
    Assignee: Newcastle Innovation Limited
    Inventors: George V. Franks, Graeme John Jameson, Yao-de Yan, Simon Richard Biggs
  • Patent number: 8443980
    Abstract: A method of sorting mined material to separate the mined material into at least two categories is disclosed. The method comprises exposing particles of the mined material to microwave energy and heating particles depending on the susceptibility of the material in the particles. The method also comprises allowing sufficient time for heat generated in the particles to be transferred through the particles so that the surface temperature of the particles is a measure of the mass average temperature through the particles. The method further comprises thermally analysing the particles to detect temperature differences between particles which indicate composition differences between the particles; and thereafter sorting the particles on the basis of the results of the thermal analysis.
    Type: Grant
    Filed: September 11, 2009
    Date of Patent: May 21, 2013
    Assignee: Technological Resources Pty. Limited
    Inventors: Damien Harding, Grant Wellwood
  • Patent number: 8365923
    Abstract: A method of separating at least one carbon nanotube having a desired diameter and/or chirality from a mixture of carbon nanotubes having different diameters and/or chiralities is provided. A calixarene of formula (I): wherein n?4; X is PO3H2, Ra—PO3H, SO3H, or Ra—SO3H; Y is Rb, OH, or ORb; and Ra and Rb are independently selected from the group consisting of optionally substituted alkyl, optionally substituted aryl, optionally substituted arylene alkyl and optionally substituted alkylene aryl is combined with the mixture of carbon nanotubes in an aqueous solvent to produce an aqueous supernatant containing the carbon nanotube(s) having the desired diameter and/or chirality. The aqueous supernatant containing the carbon nanotube(s) is then separated from a residue comprising the remaining carbon nanotubes of the mixture.
    Type: Grant
    Filed: October 30, 2009
    Date of Patent: February 5, 2013
    Assignee: The University of Western Australia
    Inventors: Colin Llewellyn Raston, Lee John Hubble
  • Publication number: 20130001137
    Abstract: The present disclosure relates to a process for collecting a particulate material from a mixture comprising treating the mixture with hydrophobic nanoparticles under conditions to adsorb the hydrophobic nanoparticles to the particulate material and collecting the particulate material by flotation.
    Type: Application
    Filed: January 27, 2011
    Publication date: January 3, 2013
    Applicant: MCMASTER UNIVERSITY
    Inventors: Robert Pelton, Songtao Yang
  • Publication number: 20120325725
    Abstract: The present invention relates to a flotation reagent for iron ores containing magnetite and/or haematite and to the use of a composition containing A) at least one amine alkoxylate ester of formula (I) or a salt thereof, wherein A and B, independently of one another, represent a C2-C5 alkylene radical, R1 is a C8 to C24 alkyl or alkenyl radical, R2, R3 and R4, independently of one another, are H or a C8 to C24 acyl radical, with the proviso that at least one of the radicals R2, R3 or R4 stands for a C8 to C24 acyl radical, x, y and z, independently of one other, are an integer of from 0 to 50, with the proviso that x+y+z is an integer of from 1 to 100, and B) a compound of formula D-NH2, in which D stands for a hydrocarbon radical having from 1 to 50 carbon atoms, which can contain either an oxygen atom or an oxygen atom and a nitrogen atom, in amounts of 10 to 5.000 g/tonne as a collector in the reverse flotation of iron ore containing magnetite, haematite or both.
    Type: Application
    Filed: January 4, 2011
    Publication date: December 27, 2012
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Klaus-Ulrich Pedain, Uwe Dahlmann
  • Patent number: 8329768
    Abstract: A method and apparatus for separating non-biogenic plastic from biogenic waste. A stream of waste materials is delivered through an inlet into a conduit in which the biogenic waste drops out the bottom. The non-biogenic plastic is drawn upwardly by a separator in the form of pressurized gas fed tangentially through two ports in an opposite direction with each other to create a vacuum in the conduit.
    Type: Grant
    Filed: August 28, 2009
    Date of Patent: December 11, 2012
    Inventors: Kevin P. Furnary, Earl T. Balkum
  • Patent number: 8322641
    Abstract: A selective collection system for recyclable containers including a housing part, an input device, a material identification device, a sorting guide device, a shredding device, a compressing device, a collection part, and a control device.
    Type: Grant
    Filed: August 30, 2010
    Date of Patent: December 4, 2012
    Assignee: Eco Creation International, Inc.
    Inventor: Ki Jeong Jeon
  • Patent number: 8304457
    Abstract: A method and device for reprocessing used plastic containers, especially PET bottles, by analyzing the degree of contamination of the plastic, determining the decontamination process parameters as a function of the degree of contamination found in the analyzing step, and conducting a controlled decontamination of the plastic according to the decontamination process parameters thus determined. With this method and this device, it is thus possible to perform the decontamination process step in a controlled manner, yielding a more economical reprocessing method.
    Type: Grant
    Filed: October 8, 2004
    Date of Patent: November 6, 2012
    Assignee: Krones AG
    Inventors: Thomas Friedlaender, Maren Hofferbert, Hans-Jurgen Straubinger
  • Publication number: 20120234730
    Abstract: A method of separating material includes providing a mixture of a first material, such as a semiconductor, and a second material, such as an insulator or a different semiconductor. The mixture can be irradiated using a light source at a wavelength that causes the first material's conductivity to increase while leaving the second material's conductivity (substantially) unchanged. Placing the mixture in contact with a ground electrode discharges the first material but not the second material due the difference in their conductivities. Applying an electric field to the discharged mixture separates the discharged first material from the second material.
    Type: Application
    Filed: March 18, 2011
    Publication date: September 20, 2012
    Inventor: Thomas A. Yager
  • Patent number: 8234813
    Abstract: 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 obtain and process and distribute molecules useful for biofuel or other purposes.
    Type: Grant
    Filed: April 17, 2009
    Date of Patent: August 7, 2012
    Assignee: Algepower LLC
    Inventors: Gail Busch, Jacques M. Dupont
  • Publication number: 20120025150
    Abstract: The separation of single-walled carbon nanotubes (SWNTs), by electronic type using centrifugation of compositions of SWNTs and surface active block copolymers in density gradient media.
    Type: Application
    Filed: May 31, 2011
    Publication date: February 2, 2012
    Inventors: Mark C. Hersam, Alexander L. Antaris, Alexander A. Green
  • Publication number: 20120024761
    Abstract: The present disclosure generally relates to methods for recovering silicon from saw kerf, or an exhausted abrasive slurry, resulting from the cutting of a silicon ingot, such as a single crystal or polycrystalline silicon ingot. More particularly, the present disclosure relates to methods for isolating and purifying silicon from saw kerf or the exhausted slurry, such that the resulting silicon may be used as a raw material, such as a solar grade silicon raw material.
    Type: Application
    Filed: October 13, 2011
    Publication date: February 2, 2012
    Applicant: MEMC ELECTRONIC MATERIALS, INC.
    Inventors: Alexis Grabbe, Tracy M. Ragan
  • Publication number: 20120027660
    Abstract: The present disclosure generally relates to methods for recovering silicon from saw kerf, or an exhausted abrasive slurry, resulting from the cutting of a silicon ingot, such as a single crystal or polycrystalline silicon ingot. More particularly, the present disclosure relates to methods for isolating and purifying silicon from saw kerf or the exhausted slurry, such that the resulting silicon may be used as a raw material, such as a solar grade silicon raw material.
    Type: Application
    Filed: October 13, 2011
    Publication date: February 2, 2012
    Applicant: MEMC ELECTRONIC MATERIALS, INC.
    Inventors: Alexis Grabbe, Tracy M. Ragan
  • Patent number: 8106103
    Abstract: A method for reformulating reclaimed, contaminated mixed waste plastics into useful articles wherein a plurality of batches of the mixed waste plastics are preprocessed to produce substantially homogeneous mixtures of a desired particle size range that are characterized according to their respective apparent densities, and are thereafter blended to produce a mixed plastic feed material having a color predetermined to be desirable for reprocessing into at least one of such useful articles.
    Type: Grant
    Filed: July 21, 2008
    Date of Patent: January 31, 2012
    Assignee: Advanced Environmental Recycling Technologies, Inc.
    Inventors: Joe G. Brooks, Christopher Lynn Becker
  • Patent number: 8083067
    Abstract: Enhanced methods for separating of overlapping density porous materials are provided. The methods of the invention exploit the differences in the porosity of porous feed materials compared to that of the solid plastics. In the first stage, air is forced out of the pores of a porous feed material. In the second stage, a solution, having the appropriate density, is forced into the pores. This increases the density of the porous material relative to the density of the solid plastics. As a result, the porous material can be made to sink, while the solid plastics continue to float.
    Type: Grant
    Filed: April 10, 2007
    Date of Patent: December 27, 2011
    Assignee: UChicago Argonne, LLC
    Inventors: Joseph A. Pomykala, Jr., Bassam J. Jody, Edward J. Daniels, Jeffrey S. Spangenberger, Scott T. Lockwood
  • Patent number: 8083068
    Abstract: 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 acoustic contrast capture particle having a predetermined acoustic contrast. The apparatus includes a vibration generator that is operable to produce at least one acoustic field within the flow path. The acoustic field produces a force potential minima for positive acoustic contrast particles and a force potential minima for negative acoustic contrast particles in the flow path and drives the engineered acoustic contrast capture particles to either the force potential minima for positive acoustic contrast particles or the force potential minima for negative acoustic contrast particles.
    Type: Grant
    Filed: April 9, 2007
    Date of Patent: December 27, 2011
    Assignee: Los Alamos National Security, LLC
    Inventors: Gregory Kaduchak, Michael D. Ward
  • Patent number: 8033398
    Abstract: A magnetic reagent contains magnetic microparticles and a compound of the formula (I) as defined herein. The magnetic reagent may be used in a magnetic separation process for the removal of impurities from mineral substrates.
    Type: Grant
    Filed: December 6, 2005
    Date of Patent: October 11, 2011
    Assignee: Cytec Technology Corp.
    Inventors: Sathanjheri A. Ravishankar, Abdul K. Gorken
  • Publication number: 20110226674
    Abstract: The invention relates to a flotation process for removal of slimes from potash ores which includes a step in said process wherein a collector is used which is a mixture of ethoxylated fatty amines having the formulae (I) wherein R1 and R2 are, independently, a hydrocarbyl group having 1-22 C-atoms, and n is on average above 15 and less than 100, and (II) wherein R3 is a hydrocarbyl group having 8-22 carbon atoms; z is a number 1-3; X, Y and Y? are, independently, an alkyl group with 1-4 carbon atoms or the group -(EO)sH, wherein EO is an ethyleneoxy unit and s is on average 5-50, and the sum of all s is on average 15 or more, and less than 100; provided that at least one of X, Y and Y? is a group -(EO)sH; and where the molar ratio of I to II is 1:5 to 5:1. The invention also relates to said mixtures of collectors where the molar ratio of I to II is 1:5 to 5:1.
    Type: Application
    Filed: November 26, 2008
    Publication date: September 22, 2011
    Applicant: AKZO NOBEL N.V.
    Inventor: Jan Olof Gustafsson
  • Publication number: 20110186660
    Abstract: A method of sorting mined material to separate the mined material into at least two categories is disclosed. The method comprises exposing particles of the mined material to microwave energy and heating the particles depending on the susceptibility of the material in the particles. The method also comprises thermally analysing the particles using the temperatures of the particles as a basis for the analysis to indicate composition differences between particles and then sorting the particles on the basis of the results of the thermal analysis. The method also comprises compensating for temperature variations in the mined material that is supplied to the method.
    Type: Application
    Filed: September 11, 2009
    Publication date: August 4, 2011
    Applicant: TECHNOLOGICAL RESOURCES PTY. LIMITED
    Inventors: Damien Harding, Grant Wellwood
  • Publication number: 20110147277
    Abstract: A method of sorting mined material to separate the mined material into at least two categories is disclosed. The method comprises exposing particles of the mined material to microwave energy and heating particles depending on the susceptibility of the material in the particles. The method also comprises allowing sufficient time for heat generated in the particles to be transferred through the particles so that the surface temperature of the particles is a measure of the mass average temperature through the particles. The method further comprises thermally analysing the particles to detect temperature differences between particles which indicate composition differences between the particles; and thereafter sorting the particles on the basis of the results of the thermal analysis.
    Type: Application
    Filed: September 11, 2009
    Publication date: June 23, 2011
    Inventors: Damien Harding, Grant Wellwood
  • Publication number: 20110150728
    Abstract: A process for producing a mineral concentrate product that at is at least a substantially odour-free product comprises any one or more than one of (a) organics removal by (i) treatment of a froth product slurry containing floated mineral particles to remove organic compounds from the mineral particles and/or (ii) thermal treatment, and (b) addition of chemicals to prevent residual organic compounds on mineral concentrates being converted to odorous compounds, particularly while the concentrates are being stock-piled or transported.
    Type: Application
    Filed: April 6, 2009
    Publication date: June 23, 2011
    Inventors: Chris Du Plessis, Geoffery David Senior
  • Publication number: 20110036758
    Abstract: The present disclosure relates to an electrostatic separator for separating unburned carbon from coal ash using an electrostatic induction type ejector tribocharger, which can be operated based on difference in electrostatic polarity between the coal ash and the unburned carbon mixed with each other to thereby significantly improve charges and separation efficiency according to the amount of coal ash.
    Type: Application
    Filed: November 6, 2009
    Publication date: February 17, 2011
    Inventors: Jae-kwan KIM, Hyun-dong Lee
  • Publication number: 20110017676
    Abstract: This invention relates to particulate and/or liquid droplet separation processes from liquids containing the same and the use of specific chemical additives to control surface wetting, hydrophobicity and surface forces in such processes.
    Type: Application
    Filed: September 19, 2008
    Publication date: January 27, 2011
    Applicant: The University of Melbourne
    Inventors: George Vincent Franks, Haihong Li
  • Patent number: 7785472
    Abstract: A method of separating, concentrating or purifying uniform carbon nanotubes with desired properties (diameter, chiral vector, etc) in a highly sensitive manner by the use of structure-sensitive properties peculiar to carbon nanotubes; and an apparatus therefor. There is provided a method of separating, concentrating, or purifying carbon nanotubes with the desired properties contained in a sample, comprising the steps of (a) irradiating a sample containing carbon nanotubes with light; and (b) selecting carbon nanotubes with desired properties. In a preferred embodiment, the light irradiation of the step (a) can be carried out in the presence of a metal so as to cause specified carbon nanotubes to selectively induce a photocatalytic reaction, resulting in metal deposition. Further, in a preferred embodiment, a given magnetic filed can be applied in the steps (b) so as to attain accumulation or concentration or carbon nanotubes with metal deposited.
    Type: Grant
    Filed: February 10, 2005
    Date of Patent: August 31, 2010
    Assignee: Japan Science and Technology Agency
    Inventor: Kei Murakoshi
  • Patent number: 7536827
    Abstract: 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 obtain and process and distribute molecules useful for biofuel or other purposes.
    Type: Grant
    Filed: August 17, 2007
    Date of Patent: May 26, 2009
    Assignee: Algepower LLC
    Inventors: Gail Busch, Jacques M. Dupont
  • Patent number: 7473407
    Abstract: A process for the beneficiation of trona includes supplying a trona feedstream that is crushed and dried. The trona is then separated into a first size fraction and a second size fraction. Impurities are removed from the first size fraction using at least one magnetic separator. The magnetic separator includes a plurality of stages. Each stage includes a conveyor system comprising a first end, a second end, and a conveyor belt. Each stage also includes a magnetic roller disposed at the second end of the conveyor system and a splitter disposed adjacent the second end of the system for separating a fraction of magnetic impurities from the trona to create a beneficiated fraction. At least one conveyor belt is deionized. Airborne dust particles are removed from an area surrounding at least one conveyor system.
    Type: Grant
    Filed: November 19, 2004
    Date of Patent: January 6, 2009
    Assignee: Solvay Chemicals
    Inventors: James D. Phillip, William E. Stuble, Mike J. Ventura, Donald M. Robertson
  • Publication number: 20090000992
    Abstract: Process for separating at least one type of catalyst or adsorbent particles having similar colours characterized in that such particles undergo an oxidative heating treatment for generating particle of different colours, and then particles are separated using a colour sorting process for separating at least one type of particles.
    Type: Application
    Filed: June 26, 2008
    Publication date: January 1, 2009
    Inventors: Pierre Dufresne, Maxime Meens, Mickael Bremaud
  • Patent number: 7232687
    Abstract: An optical illumination and monitoring subsystem controls the operation of a flow cytometer having a carrier fluid that flows along a channel coupled to a droplet generator, which controls a point at which droplets break off from the carrier fluid, and a droplet sorter that is operative to cause selected droplets to be sorted along one or more droplet travel paths. The subsystem is operative to illuminate a respective droplet monitoring location along each of one or more droplet travel paths with a respective beam of light, such as that sourced from a common laser. In response to backscatter reflection from a droplet passing through the respective beam of light at a respective droplet monitoring location, the amplitude of the beam of light is increased. Then the droplet is monitored for the presence of a particle therein exhibiting detectable fluorescence as a result of the increase in the amplitude of the respective beam of light.
    Type: Grant
    Filed: April 7, 2004
    Date of Patent: June 19, 2007
    Assignee: Beckman Coulter, Inc.
    Inventors: Todd P. Lary, Robert C. Burr, Christopher W. Snow
  • Patent number: 7182204
    Abstract: A method and an apparatus for processing mixtures of material which contain a coarse component (3) and a predominantly cohesive fine component (4). Both the mixture of material (2) and an added material (5) are delivered in continuous streams of material (11, 23) to a homogenizing and separating device (12). The homogenizing and separating device (12) serves to mix the added material (5) and the mixture of material (2) uniformly with one another, so as to put the fine component (4) of the mixture of material (2) into a state such that the fine components (4) can be separated from the coarse component (3). As a result of the continuous delivery of the mixture of material (2) and added material (5) to the homogenizing and separating device (12), intimate mixing of the added material (5) and fine component (4) is achieved so that the separation of the coarse component and fine component can take place directly in the same device.
    Type: Grant
    Filed: March 8, 2002
    Date of Patent: February 27, 2007
    Inventor: Jürgen Schenk
  • Patent number: 6923328
    Abstract: Methods and apparatuses for separating metal values, such as nickel and nickel compounds, from mineral ores, including lateritic ores are disclosed. The method includes providing a mixture of particles (e.g., crushed and sized ore) that is composed of at least a first group of particles and a second group of particles. Group members have similar chemical composition, while particles belonging to different groups have dissimilar chemical compositions. The mixture of particles is exposed to microwave/millimeter wave energy in order to differentially heat the first and second group of particles, thereby increasing differences in magnetic susceptibility between the first and second group of particles. The mixture of particles is then passed through a magnetic field gradient, which causes the particles to separate into magnetic and non-magnetic fractions.
    Type: Grant
    Filed: February 22, 2002
    Date of Patent: August 2, 2005
    Assignee: Wave Separation Technologies LLC
    Inventor: Stephen M. Birken
  • Patent number: 6905028
    Abstract: Method of separation that uses at least one organic chemical reaction to alter the molecular structure of a substance or substances (102) so that a mechanical method of separation can be used to cause the separation of one or more substances from one or a group of substances (104). The organic chemical reaction alters the molecular structure by adding at least one atom to the molecular structure or by subtracting at least one atom from the molecular structure. The mechanical method of separation uses the differing physical characteristics of substances to physically change the place or position of substances to remove or isolate the substances from a combination or a mixture absent any chemical reaction. The organic chemical reaction and the mechanical method of separation are used in combination to cause the separation of substances that otherwise could not be separated by the mechanical method of separation alone.
    Type: Grant
    Filed: March 6, 2002
    Date of Patent: June 14, 2005
    Inventor: Durham Russell Maples
  • Patent number: 6805242
    Abstract: 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 is directed to a desliming unit; surfactants and/or an organic polymers are added to the slurry and mixed into the slurry to reduce the viscosity of the slurry and to settle out the fine phosphate ore particles for recovery. These particles are collected and directed to a beneficiation process for recovering the phosphate ore product. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope of meaning of the claims. 37 CFR 1.72(b).
    Type: Grant
    Filed: December 19, 2001
    Date of Patent: October 19, 2004
    Assignee: ARR-MAZ Products, L.P.
    Inventor: Francisco J. Sotillo