Oxalate- and carbonate-ion sorption on zirconogels

Authors

  • Sofia I. Pechenyuk The Professor, Doctor of chemical Sciences, the main scientific employee of Institute of Chemistry and Technology of rare Elements and mineral raw Materials of the Name of I.V.Tananaev, e-mail: pechenyuk@chemy.kolasc.net.ru
  • Lubov Ph. Kuz’mich research fellow of Institute of Chemistry and Technology of rare Elements and mineral raw Materials of the Name of I.V. Tananaev
  • Julia P. Semushina junior research fellow of Institute of Chemistry and Technology of rare Elements and mineral raw Materials of the Name of I.V. Tananaev
  • Galiyabanu I. Kadyrova major research fellow of Institute of Chemistry and Technology of rare Elements and mineral raw Materials of the Name of I.V. Tananaev

Keywords:

sorption, oxalate-ion, carbonate-ion, zirconium(IV) oxyhydroxide hydrogel, isotherm, ph-dependence, competition.

Abstract

Oxalate- and carbonate-ion sorption on freshly prepared zirconium(IV) oxyhydroxide gels in the
range of precipitation pH 4-11 and initial concentration (1-60)х10-3 mole per l at background electrolyte
NaCl and Na2SO4 by ionic strength 0.5 and without background electrolyte has been investigated. It was
getermined that sorption isotherms of both ions are described by Langmuir equation, including oxalate
sorption in carbonate presence. Langmuir equation parameters are determined for different precipitation pH
and background electrolytes. It was found that А∞ and К values are very strongly depended on precipitation
pH (they are diminished smoothly at pH increasing), but very small from sulphate- and chloride-ion
presence. Carbonate-ion presence depresses the oxalate sorption. Zirconogel sorption activity depends from
the characteristics of initial zirconium(IV) salt

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Published

2019-11-26

Issue

Vol. 11 No. 3 (2011): Sorbtsionnye i Khromatograficheskie Protsessy

Section

Статьи

How to Cite

Oxalate- and carbonate-ion sorption on zirconogels. (2019). Sorbtsionnye I Khromatograficheskie Protsessy, 11(3). https://journals.vsu.ru/sorpchrom/article/view/1939

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