A new "green" extractant of the diglycol amic acid type for lanthanides

Hirochika Naganawa, Kojiro Shimojo, Hisayoshi Mitamura, Yumi Sugo, Junji Noro, Masahiro Goto

Research output: Contribution to journalArticle

45 Citations (Scopus)

Abstract

A compound having a diglycol amic acid frame, DODGAA, has been synthesized as a new "green" extradant for lanthanides. The new extractant is composed of carbon, hydrogen, oxygen, and nitrogen atoms and is therefore fully combustible, producing gases without solid waste and its solubility in water is found to be very low. These properties avoid production of industrial waste from the incineration of degraded extractants and the risk of aquatic environmental pollution. In its extraction ability for lanthanide ions and its ability for their mutual separation, DODGAA is much superior to carboxylic acid type extractants, such as Versatic 10, which is also completely combustible. The extraction and separation performance of DODGAA is comparable to that of the less "green" organophosphorus extractants, such as PC-88A and DEHPA, that are widely used in current industry.

Original languageEnglish
Pages (from-to)151-159
Number of pages9
JournalSolvent Extraction Research and Development
Volume14
Publication statusPublished - Aug 1 2007

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Lanthanoid Series Elements
Rare earth elements
Industrial Waste
Incineration
Acids
Waste incineration
Industrial wastes
Solid wastes
Carboxylic Acids
Carboxylic acids
Hydrogen
Pollution
Nitrogen
Carbon
Solubility
Gases
Ions
Oxygen
Atoms
Water

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

Naganawa, H., Shimojo, K., Mitamura, H., Sugo, Y., Noro, J., & Goto, M. (2007). A new "green" extractant of the diglycol amic acid type for lanthanides. Solvent Extraction Research and Development, 14, 151-159.

A new "green" extractant of the diglycol amic acid type for lanthanides. / Naganawa, Hirochika; Shimojo, Kojiro; Mitamura, Hisayoshi; Sugo, Yumi; Noro, Junji; Goto, Masahiro.

In: Solvent Extraction Research and Development, Vol. 14, 01.08.2007, p. 151-159.

Research output: Contribution to journalArticle

Naganawa, H, Shimojo, K, Mitamura, H, Sugo, Y, Noro, J & Goto, M 2007, 'A new "green" extractant of the diglycol amic acid type for lanthanides', Solvent Extraction Research and Development, vol. 14, pp. 151-159.
Naganawa, Hirochika ; Shimojo, Kojiro ; Mitamura, Hisayoshi ; Sugo, Yumi ; Noro, Junji ; Goto, Masahiro. / A new "green" extractant of the diglycol amic acid type for lanthanides. In: Solvent Extraction Research and Development. 2007 ; Vol. 14. pp. 151-159.
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