| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 61 | AMINE-ALDEHYDE RESINS AND USES THEREOF IN SEPARATION PROCESSES | EP05854997.3 | 2005-12-21 | EP1838452A2 | 2007-10-03 | REDIGER, Richard; HART, Paul; MILLS, Jeffrey; ARTHUR, Lisa M.; BOYER, Peter; HURD, Phillip W.; WRIGHT, James; WHITE, Carl R.; KELLY, Robbie D.; HINES, John B.; GABRIELSON, Kurt |
| 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 froth flotation depressants in the separation of bitumen from sand and/or clay or in the beneficiation of clay (e.g., kaolin clay) from an impure clay-containing ore. The resins are also useful for treating aqueous liquid suspensions to remove solid particulates, as well as for removing metallic ions in the purification of water. | ||||||
| 62 | IMPROVED FROTH FLOTATION PROCESS AND APPARATUS | EP01905488 | 2001-02-15 | EP1259329A4 | 2006-11-22 | JAMESON GRAEME JOHN; LAMBERT NOEL |
| A froth flotation process typically used to separate particulate materials such as coal, has a mixed size feed ( 1 ) separated in a sieve bend ( 2 ) into a stream of relatively fine particles ( 3 ) and a stream of relatively coarse particles ( 14 ). The fine particles are fed to a flotation cell ( 7 ) in the normal manner, while the coarse particles are mixed with wash water ( 16 ) and distributed onto or into the froth layer ( 10 ) by wash water distribution apparatus ( 19, 20 ). Alternative variations of wash water distribution apparatus able to handle coarse particles are also described. | ||||||
| 63 | Dore slag treatment | EP82305747.6 | 1982-10-28 | EP0079179A1 | 1983-05-18 | Godbehere, Peter W. |
A method is disclosed for treating dore slag resulting from smelting of a dore furnace charge, by grinding such slag and then subjecting the obtained pulp to froth flotation in the presence of a suitable frother and collector to produce a precious metals concentrate which is then filtered and returned to the dore furnace with the next charge. The tails from the froth flotation may then be finely ground and subjected to several additional flotation stages to improve recovery of the precious metals, and the entire operation is preferably carried out as a closed loop process so that only the tailings from the rougher flotation are removed and shipped to the smelter. |
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| 64 | Material processing system | US14146474 | 2014-01-02 | US10052637B2 | 2018-08-21 | Michael J. Mankosa; Jaisen N. Kohmuench; Eric S. Yan; Reginaldo Sérgio Liberato |
| What is presented is a material processing system for processing tailings discharged from an ore processing system. The tailings comprise coarse waste rock, the fine waste rock, coarse valuable product, and the fine valuable product. The material processing system comprises a classification element, a coarse flotation element, and a fines flotation element arranged to separate the coarse valuable product, the coarse waste rock, the fine valuable product, and the fine waste rock. The classification element separates the coarse waste rock and/or the coarse valuable product from the fine waste rock and/or the fine valuable product. The coarse flotation element separates the coarse waste rock from the coarse valuable product, the fine waste rock, and/or the fine valuable product. The fines flotation element separates the fine valuable product from the coarse waste rock, the fine waste rock, and/or the coarse valuable product. | ||||||
| 65 | Method for recovering a copper sulfide concentrate from an ore containing an iron sulfide | US14904696 | 2014-07-11 | US09839917B2 | 2017-12-12 | Christopher Greet; Gerhard Arnold; Ingo Hamann; Alan Hitchiner |
| In a method for recovering a copper sulfide concentrate by froth flotation from an ore containing an iron sulfide, wet grinding of the ore with grinding media made of high chromium cast iron alloy having a chromium content of from 10 to 35% by weight is combined with an addition of hydrogen peroxide to the conditioned mineral pulp before or during flotation in order to improve concentrate grade and recovery of copper sulfides. | ||||||
| 66 | Method for separating a defined mineral phase of value from a ground ore | US14770059 | 2014-12-15 | US09718066B2 | 2017-08-01 | Werner Hartmann; Theresa Stark; Sonja Wolfrum; Hermann Wotruba |
| A defined mineral phase is separated from a ground ore having several chemical phases and being present in a heterogeneous particle size distribution by classifying the ore according to a defined particle diameter into at least two fractions, a first fraction having particles essentially larger than the defined particle diameter and a second fraction having particles essentially smaller than the defined particle diameter, and the defined mineral particles of value being present in both fractions, floating the first fraction having the greater particle diameters and selecting the defined mineral particles of value in a flotation concentrate, selectively admixing the defined mineral particles of value in the fraction having the smaller particle diameters with magnetizable particles, applying a magnetic separation process to the second fraction having smaller particle diameters, and separating a concentrate with an enrichment of the defined mineral phase of value. | ||||||
| 67 | Material Processing System | US14146474 | 2014-01-02 | US20150182973A1 | 2015-07-02 | Michael J. Mankosa; Jaisen N. Kohmuench; Eric S. Van; Reginaldo Sérgio Liberato |
| What is presented is a material processing system for processing tailings discharged from an ore processing system. The tailings comprise coarse waste rock, the fine waste rock, coarse valuable product, and the fine valuable product. The material processing system comprises a classification element, a coarse flotation element, and a fines flotation element arranged to separate the coarse valuable product, the coarse waste rock, the fine valuable product, and the fine waste rock. The classification element separates the coarse waste rock and/or the coarse valuable product from the fine waste rock and/or the fine valuable product. The coarse flotation element separates the coarse waste rock from the coarse valuable product, the fine waste rock, and/or the fine valuable product. The fines flotation element separates the fine valuable product from the coarse waste rock, the fine waste rock, and/or the coarse valuable product. | ||||||
| 68 | Froth Flotation Processes | US13653732 | 2012-10-17 | US20130092605A1 | 2013-04-18 | Devarayasamudram Ramachandran NAGARAJ; Peter RICCIO; Tarun BHAMBHANI; Alan S. ROTHENBERG; Carmina QUINTANAR; Bing WANG |
| Froth flotation processes that include adding a beneficiating amount of a value mineral collector composed of an organic ammonium salt of a sulfur-containing acid to at least one stage of a froth flotation process to recover value minerals from mineral ore bodies are disclosed herein. | ||||||
| 69 | Methods to recover and purify silicon particles from saw kerf | US12647991 | 2009-12-28 | US08231006B2 | 2012-07-31 | Alexis Grabbe; Tracy M. Ragan |
| 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. | ||||||
| 70 | SEPARATION OF COPPER MINERALS FROM PYRITE USING AIR-METABISULFITE TREATMENT | US12960041 | 2010-12-03 | US20110155651A1 | 2011-06-30 | Barun Gorain |
| Embodiments of the present invention are directed to flotation of sulfidic materials following aerating by an oxidizing gas and contacting by a sulfoxy reagent. | ||||||
| 71 | METHODS TO RECOVER AND PURIFY SILICON PARTICLES FROM SAW KERF | US12647991 | 2009-12-28 | US20100163462A1 | 2010-07-01 | Alexis Grabbe; Tracy M. Ragan |
| 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. | ||||||
| 72 | Method for Removal of Unburned Carbon Contained in Fly Ash | US12087069 | 2006-12-11 | US20090008302A1 | 2009-01-08 | Kazuyoshi Matsuo; Kazuo Abe; Takao Suzuki; Shinichiro Saito |
| Disclosed is a method for removal of an unburned carbon contained in a fly ash material. The method comprises the steps of adding water to the fly ash to prepare a fly ash slurry; shearing the fly ash slurry using an agitating blade that can rotate at a high speed to generate an active energy on the surface of an unburned carbon by the shearing force, thereby imparting lipophilicity to the unburned carbon; and adding a collecting agent and a foaming agent to the slurry containing the lipophylized unburned carbon to cause the attachment of the collecting agent to the lipophylized unburned carbon, and at the same time, causing the attachment of the unburned carbon having the collecting agent attached thereto an air bubble to separate the unburned carbon by flotation. | ||||||
| 73 | Anti-oxidation method for sulfide minerals in sulfide ore | US11106351 | 2005-04-14 | US07435405B2 | 2008-10-14 | Yoshiyuki Tanaka; Ryoichi Nakayama; Hideyuki Okamoto; Masaki Imamura |
| By suppressing oxidation of sulfide minerals in sulfide ore due to bacteria or the like, this invention prevents the elution of heavy metals from the sulfide ore, and reduces the decrease in flotation performance when processing sulfide ore that is stored in a stockpile. Also, the invention makes it easier to process acidic wastewater from a stockpile or tailings dumpsite.In order to accomplish this, oxidation of sulfide minerals in sulfide ore is suppressed by adding an antioxidant, which contains plant polyphenol and whose main component is an organic acid that contains a carboxyl group, to the sulfide ore stored in a stockpile or tailings dumpsite. | ||||||
| 74 | Froth flotation process and apparatus | US10203987 | 2001-02-15 | US07163105B2 | 2007-01-16 | Graeme John Jameson; Noel William Alexander Lambert |
| A froth flotation process typically used to separate particulate materials such as coal, has a mixed size feed (1) separated in a sieve bend (2) into a stream of relatively fine particles (3) and a stream of relatively coarse particles (14). The fine particles are fed to a flotation cell (7) in the normal manner, while the coarse particles are mixed with wash water (16) and distributed onto or into the froth layer (10) by wash water distribution apparatus (19, 20). Alternative variations of wash water distribution apparatus able to handle coarse particles are also described. | ||||||
| 75 | Amine-aldehyde resins and uses thereof in separation processes | US11298936 | 2005-12-12 | US20060151397A1 | 2006-07-13 | James Wright; Carl White; Kurt Gabrielson; John Hines; Phillip Hurd; Peter Boyer; Lisa Arthur; Jeffrey Mills; Paul Hart; Richard Rediger; Robbie Kelly |
| 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 froth flotation depressants in the separation of bitumen from sand and/or clay or in the beneficiation of clay (e.g., kaolin clay) from an impure clay-containing ore. The resins are also useful for treating aqueous liquid suspensions to remove solid particulates, as well as for removing metallic ions in the purification of water. | ||||||
| 76 | Anti-oxidation method for sulfide minerals in sulfide ore | US11106351 | 2005-04-14 | US20050232835A1 | 2005-10-20 | Yoshiyuki Tanaka; Ryoichi Nakayama; Hideyuki Okamoto; Masaki Imamura |
| By suppressing oxidation of sulfide minerals in sulfide ore due to bacteria or the like, this invention prevents the elution of heavy metals from the sulfide ore, and reduces the decrease in flotation performance when processing sulfide ore that is stored in a stockpile. Also, the invention makes it easier to process acidic wastewater from a stockpile or tailings dumpsite. In order to accomplish this, oxidation of sulfide minerals in sulfide ore is suppressed by adding an antioxidant, which contains plant polyphenol and whose main component is an organic acid that contains a carboxyl group, to the sulfide ore stored in a stockpile or tailings dumpsite. | ||||||
| 77 | Method and apparatus for treating animal waste and wastwater | US10679770 | 2003-10-06 | US20040159608A1 | 2004-08-19 | Robert O. Hoffland |
| Novel methods and apparatuses are disclosed for the treatment of wastewater to reduce often associated offensive odors by promoting aerobic conditions through decreasing the amount of oxygen required to maintain aerobic cultures and/or aerobic biological activity in the wastewater. Also, the wastewater is screened or otherwise separated the wastewater to remove or concentrate the solids which are anaerobically digested. By concentrating the solids, a smaller digester can be used. The anaerobic digestion produces biogas that may be collected and used, or burned by a flare or oxidized by a semipermeable membrane to deodorize the biogas. The heat produced from the biogas may have a variety of uses, including raising the temperature of the anaerobic digester and the bacterial metabolism. The wastewater is also clarified to remove nitrogenous and organic carbon wastes. | ||||||
| 78 | Froth flotation process and apparatus | US10203987 | 2002-10-07 | US20030106843A1 | 2003-06-12 | Graeme John Jameson; Noel Wiliam Alexander Lambert |
| A froth flotation process typically used to separate particulate materials such as coal, has a mixed size feed (1) separated in a sieve bend (2) into a stream of relatively fine particles (3) and a stream of relatively coarse particles (14). The fine particles are fed to a flotation cell (7) in the normal manner, while the coarse particles are mixed with wash water (16) and distributed onto or into the froth layer (10) by wash water distribution apparatus (19, 20). Alternative variations of wash water distribution apparatus able to handle coarse particles are also described. | ||||||
| 79 | Froth flotation method for recovery of ultra-fine constituent | US560055 | 1990-07-27 | US5116487A | 1992-05-26 | Bhupendra K. Parekh; John G. Groppo, Jr. |
| A froth flotation method and apparatus for the recovery of ultra-fine constituent are provided. The apparatus includes a flotation column having a drain for withdrawing tailings and underflow and an overflow for recovering the selected ultra-fine constituent. A mechanism is provided for delivering a wash medium to an upper portion of the column as well as for delivering diffuse air to a lower portion of the column. A slurry including the constituent to be recovered is received and conditioned within a tank that is connected by means of a feed line to the column. Additionally, a mechanism is provided for dissolving air in the slurry in the conditioning tank. Further, one or two matrixes may be mounted across the flotation column to further improve recovery. The method broadly includes the steps of (1) dissolving air in the slurry in the conditioning tank; (2) feeding the slurry through the feed line into an intermediate portion of the flotation column; (3) adding a reagent to the slurry that renders the selected constituent hydrophobic; (4) establishing and maintaining a downwardly flowing stream of wash medium in the flotation column; (5) establishing and maintaining an upwardly moving stream of diffuse air originating at a lower portion of the flotation column; and (6) recovering the selected ultra-fine constituent and diffuse air from the upper portion of the column. | ||||||
| 80 | Reconditioning soils contaminated by crude oils or other refined petroleum products | US341824 | 1982-01-22 | US4424081A | 1984-01-03 | Marcel L. Giguere |
| A method for reconditioning soils contaminated with crude oils or other refined petroleum products. The system comprises a mixer input device for mixing and heating the soils with a liquid and providing a heated blended slurry. A sparger kiln agitates the slurry to break down its component parts into a fine particle slurry. A first clarifier washes the fine particle slurry to effect a first separation of oil particles from the slurry. A network of flotation cell units further wash and agitate the fine particle slurry from the clarifier to effect a second separation of oil particles from the fine particle slurry. A reagent is added to the flotation cells to effect the oil separation. An aeration clarifier further separates the oil particles from the liquid mixture elected from the flotation cell units. A collecting system is provided to recover the oil particles separated from the first clarifier and the aeration clarifier. | ||||||
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