Selective Permeation of Vanadium(V) and Chromium(VI) through Anion Exchange and Supported Liquid Membranes

T. Kojima, S. Yagi, K. Nishijima, Masahiko Matsukata

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Selective permeation of vanadium(V) and chromium(VI) using three types of membrane systems was studied. The first was an anion exchange membrane, the second and third were supported liquid membranes containing either a tertiary amine or a quaternary ammonium salt. The membrane was sandwiched between two glass cells. One cell was filled with a solution of identical concentrations of vanadium(V) and chromium(VI), and the other cell contained sodium hydroxide solution. The permeation rates of vanadium(V) and chromium(VI) were measured from the concentration change in the solution on the recovery side of the membrane. The selectivity of vanadium(V) over chromium(VI) was defined as the ratio of their rates. The selectivity of vanadium(V) over chromium(VI) was as high as 10 for pH of feed phase between 8 and 10 when using the quaternary ammonium salt and much better than these for the other membranes with an alkaline feed phase, which was used to simulate of the effluent from leaching of the heavy oil combustion ash and other wastes containing vanadium.

Original languageEnglish
Pages (from-to)151-159
Number of pages9
JournalAsia-Pacific Journal of Chemical Engineering
Volume3
Issue number3-4
DOIs
Publication statusPublished - 1995
Externally publishedYes

Fingerprint

Vanadium
Liquid membranes
vanadium
Permeation
Anions
chromium
Chromium
ion exchange
Ion exchange
Negative ions
membrane
liquid
Membranes
Ashes
Ammonium Compounds
ammonium
Salts
salt
Sodium Hydroxide
heavy oil

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Geotechnical Engineering and Engineering Geology

Cite this

Selective Permeation of Vanadium(V) and Chromium(VI) through Anion Exchange and Supported Liquid Membranes. / Kojima, T.; Yagi, S.; Nishijima, K.; Matsukata, Masahiko.

In: Asia-Pacific Journal of Chemical Engineering, Vol. 3, No. 3-4, 1995, p. 151-159.

Research output: Contribution to journalArticle

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