Extractive Metallurgy of Niobium

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CRC Press, Nov 3, 1993 - Technology & Engineering - 272 pages
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The growth and development witnessed today in modern science, engineering, and technology owes a heavy debt to the rare, refractory, and reactive metals group, of which niobium is a member. Extractive Metallurgy of Niobium presents a vivid account of the metal through its comprehensive discussions of properties and applications, resources and resource processing, chemical processing and compound preparation, metal extraction, and refining and consolidation. Typical flow sheets adopted in some leading niobium-producing countries for the beneficiation of various niobium sources are presented, and various chemical processes for producing pure forms of niobium intermediates such as chloride, fluoride, and oxide are discussed. The book also explains how to liberate the metal from its intermediates and describes the physico-chemical principles involved. It is an excellent reference for chemical metallurgists, hydrometallurgists, extraction and process metallurgists, and minerals processors. It is also valuable to a wide variety of scientists, engineers, technologists, and students interested in the topic.
 

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Contents

Chapter
1
References
44
Types of Rock Complexes
53
Comminution
64
Major Production Practices
75
B Niobium with Other Minerals
82
References
90
Treatment of Secondary Sources
100
References
151
Chapter 4
157
Miscellaneous Processes
197
References
206
Purification Techniques
212
Electron Beam Melting
232
References
240
Uses and Markets
248

b SolidVapor Processes
113

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Page 242 - The Electrodeposition of Coherent Deposits of Refractory Metals. IV. The Electrode Reactions in the Deposition of Niobium.

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