A novel binary-extractant-impregnated resin for selective recovery of scandium

Maha Sharaf, Wataru Yoshida, Fukiko Kubota, Masahiro Goto

Research output: Contribution to journalArticle

Abstract

Extractant-impregnated resins (EIRs) prepared from 2-ethylhexyl phosphonic acid mono-2-ethylhexyl ester (commercial name PC-88A), neodecanoic acid (Versatic 10), and XAD-7HP polymeric beads have been developed for separation and pre-concentration of scandium (Sc). The separation factors between Sc and other metal ions are very high, allowing for selective recovery of Sc from a complex metal-mixture solution. Furthermore, desorption of Sc is quantitatively achieved using 2 M sulfuric acid, which is difficult for single-extractant-impregnated resins. The adsorption behavior, kinetics, and loading capacity of the binary EIR were investigated. The good reusability of the resin was confirmed by five times repeated use in recycling operation. This binary-extractant-impregnated concept could provide a new way to develop novel ion-exchange resins for metal separation.

Original languageEnglish
Pages (from-to)49-55
Number of pages7
JournalJOURNAL OF CHEMICAL ENGINEERING OF JAPAN
Volume52
Issue number1
DOIs
Publication statusPublished - Jan 1 2019

Fingerprint

Scandium
Resins
Recovery
Ion Exchange Resins
Ion exchange resins
Acids
Coordination Complexes
Reusability
Metal complexes
Sulfuric acid
Metal ions
Recycling
Desorption
Esters
Metals
Adsorption
Kinetics

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

A novel binary-extractant-impregnated resin for selective recovery of scandium. / Sharaf, Maha; Yoshida, Wataru; Kubota, Fukiko; Goto, Masahiro.

In: JOURNAL OF CHEMICAL ENGINEERING OF JAPAN, Vol. 52, No. 1, 01.01.2019, p. 49-55.

Research output: Contribution to journalArticle

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