Purification of Wet Process Phosphoric Acid by Solvent Extraction with Methyl Isobutyl Ketone: Systematic Study of Impurity Distribution

1998 ◽  
Vol 33 (16) ◽  
pp. 2609-2622 ◽  
Author(s):  
Mongi Feki ◽  
Hassine Ferid Ayedi
Keyword(s):  
Solvent Extraction ◽  
Phosphoric Acid ◽  
Systematic Study ◽  
Methyl Isobutyl Ketone ◽  
Impurity Distribution ◽  
Methyl Isobutyl ◽  
Isobutyl Ketone ◽  
Wet Process

Pre-concentration of Ta(V) by solvent extraction before determination of trace amounts of Ta in Nb and Nb compounds

2016 ◽  
Vol 8 (26) ◽  
pp. 5304-5310
Author(s):  
Magdalena Turkowska ◽  
Marek Smolik
Keyword(s):  
Solvent Extraction ◽  
Methyl Isobutyl Ketone ◽  
Extraction Process ◽  
Methyl Isobutyl ◽  
Isobutyl Ketone ◽  
Wide Range

The paper presents the results of a study on the efficiency of the separation of Ta(V) and Nb(v) from fluoride solutions by solvent extraction with methyl isobutyl ketone with a view to applying the extraction process to the purification of Nb from Ta and for the pre-concentration of Ta prior to its determination in Nb and its compounds over a wide range of initial concentrations.

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