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benefication of fluorspar ores unitd state patent office patented mar 4 1969

US3259242A US241057A US24105762A US3259242A US 3259242 A US3259242 A US 3259242A US 241057 A US241057 A US 241057A US 24105762 A US24105762 A US 24105762A US 3259242 A US3259242 A US 3259242A Authority US United States Prior art keywords flotation apatite calcite macrocrystalline acid Prior art date 1962-11-29 Legal status (The legal status is an assumption and is …

nc deq: mineral commodity files - aro

Beneficiation of molybdenum ores by American Cyanamid Company, Mineral Dressing Division, 1951, 3 p. Molybdenum , State of California Mineral Information Service, Volume 8, …

us3596763a - amine-amide collectors for the treatment of

A collector composition especially suitable for the coarse flotation of sylvinite comprising: (A) at least about 90 percent by weight of a primary aliphatic amine of 16-18 carbon atoms, or water soluble salts thereof; and (B) about 0.5-10 percent by weight of a primary aliphatic amide of 10-20 carbon atoms

[usc02] 16 usc ch. 2: national forests - office of the law

Act Mar. 4, 1907, cited above, was not repealed by Pub. L. 94–579. ... and beneficiation of ores including the taking of mineral deposits and timber required by or in the mining and ore reducing operations, ... but each patent shall reserve to the United States all title in or to the surface of the lands and products thereof, and no use of

us2312466a - oxygen-bearing ore flotation - google patents

US2312466A US317888A US31788840A US2312466A US 2312466 A US2312466 A US 2312466A US 317888 A US317888 A US 317888A US 31788840 A US31788840 A US 31788840A US 2312466 A US2312466 A US 2312466A Authority US United States Prior art keywords oxygen fatty acid bearing esters atom Prior art date 1940-02-08 Legal status (The legal status is an assumption and is not a …

processes to recover and reconcentrate gold from its ores

The next step in the process will be recovery of the biomass-gold complex from the slurry by flotation. The agent can be dried to a tiny fraction of the initial ore weight (ca 0.4 lbs/ton of ore), and will contain ca. 1-2% gold. This concentration level is well within the parameters of biological heavy metal recovery reported in the literature

manufacturing processes _nodrm.pdf | international system

PRODUCTION OF COPPER The United States produces one-fourth of the world’s copper. The ores, known as chalco-pyrite, contain chiefly Cu2S and CuFeS2 and usually lie deep underground. The process of producing copper is shown in Figure 4.3. The ore is crushed and mixed with lime and …

inactive and abandoned noncoal mines. volume 2. state reports

----- STATE OF ARIZONA OFFICE OF STATE MINE INSPECTOR WILL1A1I VANDERWALL, ASSISTANT STATE MINE INSPECTOR (602) 542-5071 INACTIVE-ABANDON lEDMMES* DATA SUMMARY COMPILED 8PRMQ 1M1 MINERAL TYPE MINING TYPE t Acraa] OWNERSHIP [Aeraal FEATURES (Uitliai feoai) » Metallic Ores Mines ^ 67,690 Federal^ 69,450 Polluted Water 4 200.2 miles S200.2 mm

[usc02] minerallands and mining-officeof the law

§1. United States Bureau of Mines; establishment; director; experts and other employees. There is hereby established in the Department of the Interior a bureau of mining, metallurgy, and mineral technology, to be designated the United States Bureau of Mines, and there shall be a director of said bureau, who shall be thoroughly equipped for the duties of said office by technical education and

hall molybdenum mine(mrds #10310364) mo, cu

Anaconda's patent application report in 1970 contains an estimate of 123 million tons of proven ore with an average grade of 0.126 % molybdenum sulfide and 0.1 % copper. Equatorial's drilling and geologic evaluation completed through 1999 resulted in a proven ore reserve of …

identification and description ofmineral processing

United States Solid Waste and EPA530-R-99-022 Environmental Protection Emergency Response NTIS: PB99-155 970 Agency (5305W) April 1998 &EPA identification and Description of Mineral Processing Sectors; Technical Background Document; Final Printed on paper that contains at least 30 percent postconsumer fiber

locating and estimating air emissions from sourcesof

----- TABLES Number * Page 3-1 Physical Properties of Metallic Manganese 3-2 3-2 Physical Properties of Selected Manganese Compounds 3-4 3-3 Common Manganese-Containing Minerals 3-7 3-4 Domestic Manganese Ore Production, Imports, and Exports 3-7 3-5 Consumption of Manganese Ores in the United States 3-12 3-6 U.S. Consumption of Manganese Ferroalloys According to End Use in 1981 • 3-12 3-7

4(2017) kims

2010 – JSC «The Center of Sciences about Earth, Metallurgy and Ore Benefication», passed PhD thesis: “The basis of physics and chemistry of new reagents development and its application to intensify flotation processes of sulfide polymetallic ores benefication”, special field 25.00.13 – The minerals benefication

amine-aldehyde resins and uses thereof in separation

Dec 12, 2005 · United States Patent 8702993 Abstract: 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

hall molybdenum mine western mining history

Anaconda's patent application report in 1970 contains an estimate of 123 million tons of proven ore with an average grade of 0.126 % molybdenum sulfide and 0.1 % copper. Equatorial's drilling and geologic evaluation completed through 1999 resulted in a proven ore reserve of …

full text of "official gazette of theunited states patent

Full text of "Official gazette of the United States Patent and Trademark Office: [microform]" See other formats

maleated and oxidized fatty acids - georgia-pacific

We Claim: 1. A composition useful for inhibiting corrosion or for use as an emulsifier in preparing invert water-in-oil emulsions comprising maleated and oxidized tall oil fatty acids, the oxidized tall oil fatty acids having crosslinks of an ether linkage between hydrocarbon chains of the oxidized tall oil fatty acids obtained by sparging air or oxygen through heated tall oil fatty acids

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