us patent ore tailings treatment patents

Treatment of Green Pellets Using Microwave Energy - Patent application

Patent application title: Treatment of Green Pellets Using Microwave ... The magnetite concentrate fed to the pelletizing apparatus may equally be sourced from tailings. [0034] ... TABLE-US-00001 TABLE 1 Magnetite Properties Sample Fe 3 O 4 Fe 2 O 3 FeO Si 2 A 2 O 3 Fe Sample Number % % % % % % Pellet 9818/0213 81.6 10.9 ...

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PFAS treatment | YB Technologies | United States

Unique among PFAS treatment companies, YB Technologies, LLC combines proven methods with breakthrough technologies to: Destroy PFAS in spent carbon, brines, and concentrates Sequester, fixate, and immobilize PFAS in soils, water treatment solids, and sediments, eliminating or reducing PFAS leachability *See our list of PFAS technologies here

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cors.archive

BANCROFT LIBRARY 0- THE LIBRARY OF THE UNIVERSITY OF CALIFORNIA L 4 1904 BUFFALO BILL'S DIVOECE. Telegraphing from Cheyenne (Wyoimng) on Sunday ' a correspondent says : Buffalo Bill concluded his case I for a divorce on Saturday by submitting evidence show- ing that he was away hunting in the Big Horn moun- tains at the time when Mrs. Cody alleges he was fre- f quenting disreputable houses ...

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Assessment of the use potential of iron ore tailings in ... - ResearchGate

The volume of lead-zinc tailings reached a maximum of 5.41% when the particle size was 3,101,430 µm, while the volume of copper tailings reached a maximum of 8.15% when the particle size was 86.4...

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US Patent for Compositions and methods for treatment of mine tailings ...

US Patent for Compositions and methods for treatment of mine tailings Patent (Patent # 11,427,487 issued August 30, 2022) - Justia Patents Search, Compositions and methods for treatment of mine tailings, May 9, 2019 - Lixivia, Inc. Compositions and methods for treating waste water produced by copper mining operations are described herein.

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IN140418B - - Google Patents

C22 — METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS; ... tailings, crushed ore or mine sludge US10961633B2 (en) * 2015-04-13: 2021-03-30 ... 1973-12-17 US US42506273 patent/US3927170A/en not_active Expired - Lifetime;

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US Patent Application for METHOD FOR THE BENEFICIATION OF IRON ORE ...

Known prior art of wet magnetic separation technology is applied to tailings or mineral waste streams. The present invention is applied to ore generated upstream in the ore preparation process which advantageously increases the overall process efficiency.

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Securities Litigation Partner James Wilson Encourages Investors Who ...

Faruqi & Faruqi, LLP, a leading national securities law firm, is investigating potential claims against Medtronic plc and reminds investors of the November 7, 2022 deadline to seek the role of ...

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Leaching of metals from ores. (Latest citations from the US Patent ...

Abstract, The bibliography contains citations of selected patents concerning the extraction of metals from ores by leaching. Topics include leaching of metals from ore heaps, mine tailings, smelter wastes, and sea nodules. Metals covered include gold, uranium, copper, nickel, silver, manganese, and cobalt.

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Search for patents | USPTO - United States Patent and Trademark Office

Aug 12, 2022Public Search Facility. The United States Patent and Trademark Office (USPTO) Public Search Facility located in Alexandria, VA provides the public access to patent and trademark information in a variety of formats including on-line, microfilm, and print. Trained staff are available to assist public users.

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Bionanomining: biotechnological synthesis of metal nanoparticles from ...

Despite the foregoing, in recent years, it has been observed that the trend of intellectual protection has achieved promising rates since only in the last 3 years, 42% of the patents awarded on metal nanoparticle biosynthesis have been concentrated. USA and China are the countries whose patent offices have granted the highest number of patents.

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US9481799B2 - Treatment of tailings streams - Google Patents

A process for the treating a mature fine tailings stream is provided. Treatment comprises contacting an alkali metal silicate or polysilicate microgel and an activator with mature fine tailings, entrapping the sand and clay fines within a polysilicate microgel, spreading the silica microgel over a surface, and allowing the silica microgel to dry, and producing a trafficable surface.

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US20120288419A1 - System And Method For Treating Tailings From ... - Google

- Google Patents, A system and method for treating tailings from a bitumen froth treatment process such as TSRU tailings. The tailings are dewatered and then combusted to convert kaolin in the...

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Tailings Management and New Standards of Regulation - CMS LAW-NOW

Investors are turning their attention to innovation and more sustainable forms of tailings treatment, including the concept of reprocessing. Reprocessing takes the tailings from an existing dam and applies mineral processing solutions to recover ore, which is usually of a lower grade than primary production, but still has value and is tradeable.

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Mineral processing tailings disposal - BRACKEBUSCH; FRED W.

Mineral processing tailings disposal, United States Patent 5636942, Abstract: A process is disclosed for disposing mineral processing tailings. The process includes the step of treating the tailings to produce a flowable paste including a mass comprised of particles at least approximately 15% of which are less than 20 microns in diameter.

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Trend and priority change of climate change mitigation technology in ...

2.3. Preliminary analysis. The size of a patent family, which aggregates the number of patents for the same invention filed in different countries and jurisdictions, can be a proxy of profitability, technological sophistication, and overall market value of an invention (Fernandez, 2021).Moreover, innovation, as measured by the number of patent families a country has filed, has a significant ...

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US Patent for Ore beneficiation Patent (Patent # 8,741,023 issued June ...

Justia Patents Magnetic (e.g., Electromagnetic, Etc.) Or Electrostatic Processes US Patent for Ore beneficiation Patent (Patent # 8,741,023) Ore beneficiation . Jul 27, 2012 - Superior Mineral Resources LLC. A method of enriching the iron content of low-grade iron-bearing ore materials has been developed which produces a high iron ore ...

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The bioleaching of sulphide minerals with emphasis on copper sulphides ...

Millions of tonnes of low-grade ore and copper-rich tailings await the development of an efficient and economic bioleach process for chalcopyrite (CuFeS 2).The bioleaching of chalcopyrite in situ and in dumps is a practical option only because the low and slow recoveries are countered by the low processing costs (Schnell, 1997).Not surprisingly, the bioleaching of chalcopyrite, both the most ...

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FR2331622B1 - - Google Patents

Recovery of elemental sulfur and metal values from tailings from copper recovery processes ... Method of treating copper ore concentrates US3918962A (en) * 1972-06-28: 1975-11-11: Ethyl Corp: Process for winning copper using carbon monoxide 1975. 1975-11-14 US US05/631,832 patent/US4039324A/en not_active Expired - Lifetime; 1976. 1976-09 ...

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(PDF) Iron Ore Tailings: Characterization and Applications - ResearchGate

Jan 1, 2021Abstract and Figures, Currently, approximately 1.4 billion tons per year of iron ore tailing wastes (IOT) are generated, mainly in Australia, Brazil, and China. This work describes the...

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Patent 2820324 Summary - Canadian Patents Database - ic

Patents; Canadian Patent Database; Patent Summary; Patent 2820324 Summary ... United States of America: 2012-06-21: ... hydrocarbon tailings, metal ore tailings, red mud, kaolin slurries, phosphate tailings, and so on. The thick fine tailings may be retrieved from tailings ponds or

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US3337328A - Iron ore beneficiation process - Google Patents

ore, silica, Prior art date, 1964-06-19, Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to...

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US Patent Application for NON-AQUEOUS EXTRACTION AND SEPARATION OF ...

Justia Patents US Patent Application for NON-AQUEOUS EXTRACTION AND SEPARATION OF BITUMEN FROM OIL SANDS ORE WITH ROTATING ELEMENTS Patent Application (Application #20220282162)

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Acid leaching of ores with an agglomeration pretreatment (Patent ...

Abstract This invention relates to the recovery of precious metals such as gold, silver, copper, and uranium by percolation or heap leaching, and in particular relates to the treatment of ores of these metals with acidic solutions to make the ores more amenable to percolation leaching. Inventors: Wroblewski, M D; McClelland, G E; Eisele, J A

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Technical Report: Treatment of Cyanide Heap Leaches and Tailings | US ...

Cyanidation includes both heap leaching and tank leaching. Spent ore or tailings containing residual amounts of cyanide are generated as wastes. These wastes are typically treated to neutralize or destroy cyanide prior to final closure. This report discusses cyanide detoxification or treatment in terms of chemistry, duration,

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Patents - WIPO

A patent is an exclusive right granted for an invention, which is a product or a process that provides, in general, a new way of doing something, or offers a new technical solution to a problem. To get a patent, technical information about the invention must be disclosed to the public in a patent application.

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Patent 2734474 Summary - Canadian Patents Database

Canadian Patents Database / Patent 2734474 Summary ... treatment tailings contribute to mature fine tailings formation. Tipman et al., in U.S. Patent 5,876,592, disclose recovery of bitumen from ... bitumen from an oil sands ore. The tailings is one or more of the coarse tailings,

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Mining Equipment and Supplier News

]]> 106253 2010-01-07 20:00:26 2010-01-08 03:00:26 closed closed consol-energy-to-develop-largest-ventilation-air-methane-abatement-project-in-us publish 0 0 post syndication_source International ...

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Process for Flocculation of A Tailings Stream

In one embodiment of this invention, the process comprises (a) providing an aqueous slurry of an oil sands ore and (b) contacting the slurry with a polysilicate microgel to produce a froth comprising bitumen and a tailings stream comprising sand and clay fines. Preferably, the process further comprises (c) dewatering the tailings.

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Iron Ore Tailings: Characterization and Applications

Oct 1, 2021Analysis of the patents related to iron ore tailings. ... Worldwide-Spacenet and Google Patents, United States Patent and Trading Office (USTPO), Canadian Intellectual Property Office (CIPO) and Australia Patent Office (APO). The following keywords were used: "mining waste", "iron waste", "iron mud waste", "iron oxide + waste ...

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2019. 7. 19. - bojlqp.myliquid24.de

The tailings or wastes produced by the extraction or concentration of uranium or thorium from any ore processed primarily for its source material content. Absorbed Dose: Definition: The amount of radiation absorbed by an object or person. The unit for. the reaction is endothermic. The heat is supplied to the Plug Flow Reactor (PFR) via hot ...

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US3502271A - Iron ore treating process - Google Patents

US3502271A - Iron ore treating process - Google Patents Iron ore treating process Download PDF Info ... Authority US United States Prior art keywords percent flotation iron concentrate silica Prior art date 1967-05-29 ... 1970-03-24 Publication of US3502271A publication Critical patent/US3502271A/en 1987-03-24 Anticipated expiration legal ...

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Geoenvironmental Study of Gold Mining Tailings in a ... - SpringerLink

The main aims are to: (i) evaluate the quality of the surface effluent water; (ii) present an integrated physical, geochemical and mineralogical characterization of the solid tailings; and (iii) understand the chemical and grade distribution and potential for metallurgical extraction of various elements from the tailings dam.

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Patent 2803025 Summary - Canadian Patents Database

easily-dewatered, non-segregating tailings immediately after the separation process, would be of great benefit to the oil sands industry. [0018] In Nagan U.S. Patent No. 6,190,561 and its counterpart Canadian Patent No. 2,290,473, Nagan describes a process using "zeolite crystalloid coagulants (ZCC)" as a method of water clarification.

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Iron Ore Magnetic Separation - Metallurgist & Mineral Processing Engineer

The magnets are wound to carry more-current than the-drum machine and will attract any lean ore, throwing off pure rock or tailings. The drum and pulley machines will handle 30 to 50 tons per hour and are used together. The drum picks out any ore, as heads, rich enough for shipment. The pulley throws out rock lean enough to discard; what

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MDMW Gold01 | PDF | Mill (Grinding) | Gold - Scribd

GOLD 27/3/07 10:45 am Page 3. GOLD EXTRACTION. Bigger and better A trend across the disciplines, from mining to processing, is the increased size of equipment that is raising productivities and efficiencies. John Chadwick also looks at innovative products, environmental initiatives and reducing energy consumption in gold processing. D r Richard Roberts, Manager: Control, 'robolabs' at its ...

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3M Patent Marking | Search for 3M Patent Information

The patent information provided on this site applies to the United States only and does not apply to any country outside of the United States. 3M™ AccuGlide™ Taping Heads Products (PDF, 33.3 KB) 3M™ Aura™ Particulate Respirator Products (PDF, 15.51 KB) 3M™ branded Medical Products (PDF, 34 KB) 3M™ Electrically Conductive Single ...

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Treatment Of Tailings Streams - USPTO.report

U.S. patent application number 14/685662 was filed with the patent office on 2015-08-06 for treatment of tailings streams . The applicant listed for this patent is THE CHEMOURS COMPANY. Invention is credited to ROBERT HARVEY MOFFETT. TREATMENT OF TAILINGS STREAMS, Abstract, A process for the treating a mature fine tailings stream is provided.

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Can I Patent a Plant, Fruit, Seed, or Other Growing Thing?

Plant varieties produced sexually (i.e., by seed) cannot be protected under patent law, but can be protected under a federal law enacted in 1970 known as the Plant Variety Protection Act. This law is administered by the Department of Agriculture and is set forth in 7 U.S.C. §§ 2421, 2422 & 2541.

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Patent 2767234 Summary - Canadian Patents Database

Canadian Patent Database / Base de données sur les brevets canadiens. ... United States of America: 2009-07-06: United States of America: 2010-02-11: United States of America: 2010-06-11: Abstracts. ... (REMOVAL OF FINES FROM MINE TAILINGS BY TREATMENT WITH XANTHAN AND CHITOSAN)

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