Extraction of heavy metal ions with 3-[(dioctylamino)methyl]alizarin

Shunsuke Ide, Yoshiki Katayama, Hiroshi Nakamura, Makoto Takagi

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

3-[(Dioctylamino)methyl]alizarin (C8AL), which is endowed with high solubility in nonpolar organic solvents through introduction of dioctylaminomethyl group into the alizarin nucleus was studied for extracting heavy metal ions such as Cu(II), Zn(II), Cd(II), Co(II), MnII), and Ni(II), from aqueous solution. Cu(II) was most readily extracted into chlorobenzene at low pH and thus was separated from other metal ions. The metal ions stabilized in alkaline solution in the presence of water-soluble chelating agents were found to be extracted by this, alizarin-type extraction agent into chlorobenzene with the assistance by lipophilic quaternary ammonium salt, CapriquatTM (methyltrioctylammonium chloride, Q+C1-). The proton dissociation process of C8AL was studied, and the mechanism of these metal extractions was discussed. The separation of Cu(II) and Ni(II) from the mixture with other divalent metal ions was also studied.

Original languageEnglish
Pages (from-to)853-875
Number of pages23
JournalSolvent Extraction and Ion Exchange
Volume5
Issue number5
DOIs
Publication statusPublished - Oct 1987

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Alizarin
Heavy Metals
Heavy ions
Heavy metals
Metal ions
Chelating Agents
Chelation
Ammonium Compounds
Organic solvents
Protons
Solubility
Salts
Metals
alizarin
Water
chlorobenzene

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

Extraction of heavy metal ions with 3-[(dioctylamino)methyl]alizarin. / Ide, Shunsuke; Katayama, Yoshiki; Nakamura, Hiroshi; Takagi, Makoto.

In: Solvent Extraction and Ion Exchange, Vol. 5, No. 5, 10.1987, p. 853-875.

Research output: Contribution to journalArticle

Ide, Shunsuke ; Katayama, Yoshiki ; Nakamura, Hiroshi ; Takagi, Makoto. / Extraction of heavy metal ions with 3-[(dioctylamino)methyl]alizarin. In: Solvent Extraction and Ion Exchange. 1987 ; Vol. 5, No. 5. pp. 853-875.
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