3 edition of Low-Iron cu-ni-co Matte From Duluth Complex Sulfide Concentrate by Direct Smelting. found in the catalog.
Low-Iron cu-ni-co Matte From Duluth Complex Sulfide Concentrate by Direct Smelting.
United States. Bureau of Mines.
|Series||Report of investigations (United States. Bureau of Mines) -- 8752|
|Contributions||Shah, I., Ruzzi, P., Schluter, R.|
sulfide mineral, but can still oxidize near the surface of concrete and stucco, leading to unsightly staining and pop-outs. In good-quality dense concrete, aggregate containing small amounts of pyrite can be successfully used without affecting durability of the structure. Magmatic sulfide ore deposits are products of natural smelting: concentration of immiscible sulfide liquid ('matte'), enriched in chalcophile elements, derived from silicate magmas ('slags').
General Anemia management (adults). Ferrous Sulfate mg orally daily (65 to mg elemental iron daily) Postpartum Iron Deficiency Anemia. Hemoglobin Ferrous Sulfate mg PO tid; Hemoglobin Ferrous Sulfate mg PO bid. Ferrous sulfide (FeS) is a brown-black mass; melting point is ～ ℃, density is g / cm3; it is insoluble in water and soluble in aqueous acid solution, and produces hydrogen sulfide; it is easy to be oxidized by heating in air, and under vacuum Medium is heated to above ° C to obtain sulfur.
IRON-NICKEL SULFIDE EXSOLUTION TEXTURES IN CM2 CARBONACEOUS CHONDRITES. S. A. Singerling and A. J. Brearley, Department of Earth and Planetary Sciences, MSC, 1 University of New Mex-ico, Albuquerque, NM Email: [email protected] Introduction: Sulfide minerals are a relatively mi-nor but ubiquitous component of all chondritic meteor-. covered by the iron sulfide scale. Comparing the morphology of iron sulfide scale shown in Figure 6 and Figure 7, Fe2+ concentration does not affect the iron sulfide formation at the temperature of 80oC and H 2S concentration of %.While increasing H2S concentration to 1%, the iron sulfide scale forms in the first one hour and evenly covers.
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Low-iron Cu-Ni-Co matte from Duluth complex sulfide concentrate by direct smelting. [Avondale, Md.]: U.S. Dept. of the Interior, Bureau of Mines,  (OCoLC) Low-iron Cu-Ni-Co matte from Duluth complex sulfide concentrate by direct smelting [I.
Shah] on *FREE* shipping on qualifying offers. Low-iron Cu-ni-co Matte from Duluth Complex Sulfide Concentrate by Direct Smelting. A key step in this process is the removal of a relatively large amount of iron present in the bulk sulfi0e flotation concentrate to permit subsequent extraction of mineral values.
This report describes a direct smelting method that removes most of the iron. Low-iron Cu-Ni-Co matte from Duluth complex sulfide concentrate by direct smelting / By I. (Ishwarlal D.) Shah, R. (Robert B.) Schluter and P. (Peter L.) Ruzzi.
Abstract. Includes bibliographical of access: Internet Topics. Low-iron Cu-Ni-Co matte from Duluth complex sulfide concentrate by direct smelting [microform] / by I.D Solid-liquid separations in processing domestic laterites [microform] / by Gary L.
Hundley and R.E. Sie Cobalt and nickel from lead-smelter matte [microform]: purification of leach liquor /. Dennis P. Nolan, in Handbook of Fire and Explosion Protection Engineering Principles for Oil, Gas, Chemical, and Related Facilities (Fourth Edition), Pyrophoric Materials.
Pyrophoric iron sulfide is formed by the action of corrosive sulfur compounds on iron and steel in process facilities, particularly in vessels, storage tanks, and pipeline scraper traps.
further interpretation of the cu-fe-ni sulfide mineralization in the duluth complex, northeastern minnesota Users without a subscription are not able to see the full content.
Please, subscribe or login to access all content. Sulfide minerals are complex in nature and it is quite a challenge to determine precisely their exact dissolution behavior in cupric chloride solution. This study aims to characterize concentrate samples in detail, revealing chemical and mineralogical composition, including distribution of.
The topics discussed include smelting laterite concentrates to sulfide matte, extracting nickel and cobalt from sulfide ores, the slow cooling and solidification of converter matte, extracting. Densities of Molten and Solid Alloys of (Fe, Cu, Ni, Co) - S at Elevated Temperatures - Literature Review and Analysis F.
Tesfaye Firdu, P. Taskinen (Improved Sulfide Smelting) Financers: Boliden Harjavalta Oy, Boliden Kokkola Oy, Norilsk Nickel Finland Oy, Outotec Oyj and the Finnish Funding Agency for Technology and 4 Effect of. Iron disulfide powder, − mesh, % trace metals basis; CAS Number: ; EC Number: ; Synonym: Ferrous disulfide; Linear Formula: FeS2; find Sigma-Aldrich MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich.
Low-iron Cu-Ni-Co matte from Duluth complex sulfide concentrate by direct smelting / ([Avondale, Md.]: U.S. Dept. of the Interior, Bureau of Mines, ), by I. Shah, R. Schluter, and P. Ruzzi (page images at HathiTrust) Progress reports - metallurgical division.
Some of these intrusions (for example, Duluth Complex, Mellen Complex, fig. 2) contain low-grade Ni-Cu sulfide mineralization, suggesting that uplift and erosion in the region have been sufficient to warrant exploration for additional sulfide mineralization.
Return to top of page. Stanford Libraries' official online search tool for books, media, journals, databases, government documents and more. Bulk sulfide flotation concentrates from the Duluth Complex were pelletized, roasted, and smelted in a single step to yield copper- nickel mattes containing about 4 percent iron with copper and nickel recoveries of 95 and 77 percent, respectively.
The solubility of iron(II) fumarate in a pure and complex form was determined with UV/VIS spectrophotometric method by measuring UV absorbance at nm on a Var - ian Cary UV-VIS Conc. Spectrophotometer.
Distilled water was used as a reference for all spectrophotomet-ric mesurements. For the purpose of the concentration. complex ferricyanide, Fe(CN) 6 3–, contains iron in the +3 oxidation state. A deep-blue (Prussian blue) precipitate results when either complex ion combines with iron in a different oxidation state from that present in the complex.
The deep-blue color of the precipitate is due to the presence of iron in both oxidation states in the cyano complex. Iron is a mineral found in every cell of the human body. However, it is rarely found on its own, because pure iron carries a positive electrical charge which makes it unstable.
Synonym: 1,Phenanthroline iron(II) sulfate complex, o-Phenanthroline ferrous sulfate complex Linear Formula: [Fe(C 12 H 8 N 2) 3 ]SO 4 Molecular Weight: covered by the iron sulfide scale.
Comparing the morphology of iron sulfide scale shown in Figure 6 and Figure 7, Fe2-t concentration does not affect the iron sulfide formation at the temperature of 80°C and H2S concentration of %. While increasing H2S concentration to 1%, the iron sulfide scale forms in the first one hour and evenly covers.
4 brown fluoride film, as contrasted with a loose, non-adherent film in the aerated tests. The effect of oxygen has been further explored in the studies of Pray, et al,1 whose data for both liquid and vapor phase corrosion of Alloy are. provides accurate and independent information on more t prescription drugs, over-the-counter medicines and natural products.
This material is provided for educational purposes only and is not intended for medical advice, diagnosis or treatment. Data sources include IBM Watson Micromedex (updated 10 Aug ), Cerner Multum™ (updated 3 Aug ). Hazardous Decomposition Products: Oxides of sulfur, hydrogen sulfide. Hazardous Polymerization: Has not been reported for Iron Sulphide or Ferrous sulfide.
Section 11 - Toxicological Information. RTECS#: CAS# unlisted. LD50 Oral - Rat - female: > mg/kg LD50 Dermal - Rat - .