Occurrence And Recovery Of Certain Minor Metals In The Smelting Refining Of Copper
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Occurrence and Recovery of Certain Minor Metals in the Smelting refining of Copper
Author | : John G. Parker |
Publsiher | : Unknown |
Total Pages | : 92 |
Release | : 1978 |
Genre | : Copper |
ISBN | : UOM:39015078453647 |
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Important quantities of gold, silver, platinum-group metals, selenium, tellurium, and arsenic are recovered in the processing of copper concentrates. The objective of this Bureau of Mines study was to determine the occurence of these elements in copper ores and to trace their distribution during subsequent processing steps. The study describes the important areas supplying concentrates, precipitates, and unrefined copper to the copper smelting and refining ndustry in a composite of the years 1971-74. The relative importance of these areas as a source of the respective byproducts is assessed. The lack of certain quantitative and assay data, recycling of dusts and slags, and the addition of scrap to the feed often complicates calculations and estimations of the byproducts in the smelter-refinery throughptus. Such volatile or low-boiling point elements as arsenic, slenium, nad tellurium may be lost in gaseous and other emissions in various processign stages, or they may be concentrated in slags and residues for which samples were not available. the effects of antipollution legislation to improve control of sulfurous and other emissions that may affect recovery of certain byprodcuts was noted. A section on newer technology illustrating hydrometallurgical techniques that may affect the recovery of minor metals is included.
Occurrence and Recovery of Certain Minor Metals in the Processing of Lead and Zinc
Author | : John G. Parker |
Publsiher | : Unknown |
Total Pages | : 88 |
Release | : 1979 |
Genre | : Government publications |
ISBN | : UOM:39015078460972 |
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Information Circular
Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 312 |
Release | : 1978 |
Genre | : Mineral industries |
ISBN | : UCAL:B3508819 |
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Monthly Catalogue United States Public Documents
Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 2248 |
Release | : 1978 |
Genre | : Government publications |
ISBN | : UIUC:30112063912759 |
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Iron Oxide Pigments
Author | : Thomas S. Jones |
Publsiher | : Unknown |
Total Pages | : 918 |
Release | : 1978 |
Genre | : Iron oxides |
ISBN | : STANFORD:36105019659163 |
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Monthly Catalog of United States Government Publications
Author | : United States. Superintendent of Documents |
Publsiher | : Unknown |
Total Pages | : 1228 |
Release | : 1978 |
Genre | : Government publications |
ISBN | : UCR:31210024274605 |
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February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index
Scientific and Technical Aerospace Reports
Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 738 |
Release | : 1979 |
Genre | : Aeronautics |
ISBN | : UIUC:30112075601580 |
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Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Federal Information Processing Standards Publication
Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 1228 |
Release | : 2024 |
Genre | : Public administration |
ISBN | : UCR:31210026473254 |
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