Separation of Niobium and Tantalum by Liquid Extraction
Author: Ernest L. Koerner
Publisher:
Published: 1956
Total Pages: 70
ISBN-13:
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Author: Ernest L. Koerner
Publisher:
Published: 1956
Total Pages: 70
ISBN-13:
DOWNLOAD EBOOKAuthor: Kenneth B. Higbie
Publisher:
Published: 1956
Total Pages: 60
ISBN-13:
DOWNLOAD EBOOKAuthor: W. L. HUNTER
Publisher:
Published: 1969
Total Pages: 9
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DOWNLOAD EBOOKAuthor: Raymond A. Foos
Publisher:
Published: 1954
Total Pages: 78
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DOWNLOAD EBOOKAuthor: Willard L. Hunter
Publisher:
Published: 1961
Total Pages: 18
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DOWNLOAD EBOOKAuthor: Sherman L. May
Publisher:
Published: 1961
Total Pages: 42
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DOWNLOAD EBOOKAuthor:
Publisher:
Published: 1970
Total Pages: 25
ISBN-13:
DOWNLOAD EBOOKThe system proposed for the production of niobium and tantalum is liquid-liquid extraction by TBP. The combined niobium and tantalum are extracted with TBP, and the niobium is scrubbed from the organic phase with 4 N sulphuric acid. Any tantalum removed with the niobium is re-extracted with TBP and returned to the extraction circuit. Tantalum is then removed from the organic phase with 8 per cent ammonium fluoride. Recovery figures are given for the various stages of the operation, and equilibrium and settling curves are included. The long-term stability of the process and its final optimization were not investigated, and it is recommended that the optimization should be done during the commissioning of the plant.
Author: T. H. Tunley
Publisher:
Published: 1970
Total Pages: 21
ISBN-13: 9780869993347
DOWNLOAD EBOOKAuthor: James A. Pierret
Publisher:
Published: 1956
Total Pages: 30
ISBN-13:
DOWNLOAD EBOOKAuthor:
Publisher:
Published: 1956
Total Pages:
ISBN-13:
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