Solvent extraction systems for the separation of zirconium (IV) and hafnium (IV) from different
aqueous media, such as sulfate, chloride and nitrate were reviewed. The important …

The present review mainly focused on the recent extraction and separation studies of Zr and
Hf from various acidic aqueous solutions using liquid-liquid extraction. The general purpose …

Hafnium metal is used in a wide range of industries such as microprocessor manufacturing,
nuclear reactors and special alloys due to its physical, chemical and radiation properties …

Abstract A new extractant, bis (2-ethylhexyl)-1-(2-ethylhexylamino) propylphosphonate
(BEAP or B) was synthesized to extract and separate zirconium and hafnium from sulfate …

Extraction and separation of hafnium (Hf) from zirconium (Zr) in HNO 3 solution were carried
out with Cyanex572 as extractant. Hf could be selectively extracted with an optimized …

Liquid–liquid extraction studies have been performed to investigate the selective extraction
of zirconium (Zr) and hafnium (Hf) in hydrochloric acid medium. For this purpose, several …

A solvent extraction method has been employed to extract and separate zirconium and
hafnium from the nitric acid medium using Cyanex-272 and its mixture with TBP in kerosene …

Separation of zirconium and hafnium is one of the challenging problems due to their similar
chemical behaviors and in general, their separation has been carried out under very high …

The ion exchange process using an anion exchange resin (Bio-Rex 5) was employed with
batch and column techniques to isolate nuclear-grade zirconium/hafnium from a leach …

This paper describes the extraction of molybdenum (VI) from aqueous nitric acid solution by
trialkylphosphine oxide (CYANEX 923) in kerosene as diluent with 15%(v/v) cyclohexane as …