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Author : Raymond A. Foos
Publisher :
ISBN 13 :
Total Pages : 78 pages
Book Rating : 4.3/5 (91 download)
Download or read book Application of Liquid-liquid Extraction to the Separation of Tantalum from Niobium written by Raymond A. Foos and published by . This book was released on 1954 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ernest L. Koerner
Publisher :
ISBN 13 :
Total Pages : 70 pages
Book Rating : 4.3/5 (91 download)
Download or read book Separation of Niobium and Tantalum by Liquid Extraction written by Ernest L. Koerner and published by . This book was released on 1956 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kenneth B. Higbie
Publisher :
ISBN 13 :
Total Pages : 60 pages
Book Rating : 4.3/5 (91 download)
Download or read book Separation of Tantalum-columbium by Solvent Extraction written by Kenneth B. Higbie and published by . This book was released on 1956 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : T. H. Tunley
Publisher :
ISBN 13 : 9780869993347
Total Pages : 21 pages
Book Rating : 4.9/5 (933 download)
Download or read book The Extraction and Separation of Niobium and Tantalum Liquid-liquid Extraction Using Tri-n-butyl Phosphate written by T. H. Tunley and published by . This book was released on 1970 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 25 pages
Book Rating : 4.:/5 (921 download)
Download or read book The Extraction and Separation of Niobium and Tantalum by Liquid-liquid Extraction Using Tri-n-butyl Phosphate written by and published by . This book was released on 1970 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 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 : Peter Cooper Stevenson
Publisher :
ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.3/5 (91 download)
Download or read book Separation of Tantalum and Niobium by Solvent Extraction written by Peter Cooper Stevenson and published by . This book was released on 1952 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book SEPARATION OF NIOBIUM AND TANTALUM BY LIQUID EXTRACTION. written by and published by . This book was released on 1956 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Separation of Tantalum and Niobium written by and published by . This book was released on 1990 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A liquid-liquid extraction process for the extraction of tantalum and niobium, and their separation from each other is provided. A solution of the fluoride complexes of tantalum and niobium is firstly formed and tantalum extracted therefrom using a selective organic extractant in an amount of not more than 1 mole of extractant per mole of tantalum present. A second tantalum extraction is then carried out similarly, but using a lower concentration of not more than 0,2 moles of the same extractant per mole of tantalum originally present. Niobium is then extracted in a similar way. The extractant is one or more quaternary ammonium compounds dissolved in a hydrocarbon with an oxygen-carrying modifier, normally an alcohol, added. The tantalum and niobium-rich organic phases are optionally washed with acid and subjected to stripping to recover tantalum and niobium, generally in a precipitated form.
Author : Willard L. Hunter
Publisher :
ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.3/5 (91 download)
Download or read book Separating Tantalum and Columbium by Solvent Extraction written by Willard L. Hunter and published by . This book was released on 1961 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kabangu Mpinga John
Publisher :
ISBN 13 :
Total Pages : 182 pages
Book Rating : 4.:/5 (12 download)
Download or read book Extraction and Separation of Tantalum and Niobium from Mozambican Tantalite by Solvent Extraction in the Ammonium Bifluoride-octanol System written by Kabangu Mpinga John and published by . This book was released on 2012 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : James A. Pierret
Publisher :
ISBN 13 :
Total Pages : 30 pages
Book Rating : 4.3/5 (91 download)
Download or read book Caustic Fusion of Columbite-tantalite Concentrates with Subsequent Separation of Niobium and Tantalum written by James A. Pierret and published by . This book was released on 1956 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : W. L. HUNTER
Publisher :
ISBN 13 :
Total Pages : 9 pages
Book Rating : 4.:/5 (227 download)
Download or read book Separation of Tantalum and Columbium by Liquid-liquid Extraction written by W. L. HUNTER and published by . This book was released on 1969 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sherman L. May
Publisher :
ISBN 13 :
Total Pages : 42 pages
Book Rating : 4.3/5 (91 download)
Download or read book Separation of Tantalum from Columbium by the Hydrofluoric Acid- Sulfuric Acid-methyl Isobutyl Ketone System written by Sherman L. May and published by . This book was released on 1961 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Fletcher L. Moore
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.3/5 (91 download)
Download or read book Separation of Protactinium and Niobium by Liquid-liquid Extraction written by Fletcher L. Moore and published by . This book was released on 1954 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Maria Johanna Ungerer
Publisher :
ISBN 13 :
Total Pages : 103 pages
Book Rating : 4.:/5 (858 download)
Download or read book Separation of Tantalum and Niobium by Solvent Extraction written by Maria Johanna Ungerer and published by . This book was released on 2012 with total page 103 pages. Available in PDF, EPUB and Kindle. Book excerpt: Niobium -- Tantalum -- Solvent extraction -- Membrane-based solvent extraction -- Tantaal -- Vloeistof-vloeistaf ekstraksie -- Membraan-gebaseerde vloeistof-vloeistof ekstraksie.
Author : Maria Johanna Ungerer
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (858 download)
Download or read book Separation of Tantalum and Niobium by Solvent Extraction written by Maria Johanna Ungerer and published by . This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Niobium -- Tantalum -- Solvent extraction -- Membrane-based solvent extraction -- Tantaal -- Vloeistof-vloeistaf ekstraksie -- Membraan-gebaseerde vloeistof-vloeistof ekstraksie.
Author : Harley A. Wilhelm
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.3/5 (91 download)
Download or read book A Countercurrent Liquid-liquid Extractor written by Harley A. Wilhelm and published by . This book was released on 1955 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: A novel countercurrent liquid-liquid extractor is presented and illustrated with applications. The apparatus consists essentially of an assembly of mixer-settlers, feeders, reservoirs, and flow lines that are made of glass or other chemical resistant materials. The applicability of the extractor is illustrated by extractions involving zirconium and hafnium, and niobium and tantalum.
