Removal of metal pollutants (Cd(II) and Cr(III)) from phosphoric acid solutions by chelating resins containing phosphonic or diphosphonic groups
Journal Article
·
· Industrial and Engineering Chemistry Research
- Ege Univ., Bornova (Turkey). Dept. of Chemical Engineering
- Loughborough Univ. (United Kingdom). Dept. of Chemical Engineering
In this study, chelating ion exchangers containing phosphonic (-PO(OH){sub 2}) acid groups (RSPO, Diaion-CRP200) and the new chelating resins (Diphonix) containing sulfonic and gem-diphosphonic acid groups chemically bonded in a styrene-divinylbenzene polymeric network have been investigated for sorption of Cd(II) ions from phosphoric acid solutions. Comparison of acid dependencies of Cd(II) uptake measured with that obtained using a commercial sulfonic acid type ion-exchange resin (Dowex 50W(X8)) and a solvent containing resins (Actinide-CU) has been performed. The resin Diphonix has been employed for columnar sorption of Cd(II) and Cr(III) ions from phosphoric acid solutions.
- OSTI ID:
- 651199
- Journal Information:
- Industrial and Engineering Chemistry Research, Journal Name: Industrial and Engineering Chemistry Research Journal Issue: 6 Vol. 37; ISSN IECRED; ISSN 0888-5885
- Country of Publication:
- United States
- Language:
- English
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