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- Title
Effect of environmental conditions on the sorption of radiocobalt on titanate/graphene oxide composites.
- Authors
Wang, Xiangxue; Lu, Songsheng; Liu, Mancheng
- Abstract
The titanate/graphene oxide composites were successfully synthesized by thermal treatment and were characterized by using SEM, XRD and FTIR in detail. The as-synthesized titanate/graphene oxide composites were applied as a new adsorbent to remove radiocobalt (Co) from aqueous solution as a function of ionic strength, pH, contact time, temperature and cation ions. The results indicated that the sorption of Co on titanate/graphene oxide composites was strongly dependent on pH and ionic strength. The thermodynamic parameters calculated from the temperature-dependent sorption isotherms indicated that the sorption was a spontaneous and endothermic process. The titanate/graphene oxide composites can be a promising material for the preconcentration of Co and other kinds of radionuclides from aqueous solutions in environmental pollution cleanup in possible application.
- Subjects
SORPTION; COBALT isotopes; TITANATES; GRAPHENE oxide; COMPOSITE materials; FOURIER transform infrared spectroscopy
- Publication
Journal of Radioanalytical & Nuclear Chemistry, 2015, Vol 303, Issue 3, p2391
- ISSN
0236-5731
- Publication type
Article
- DOI
10.1007/s10967-014-3717-6