Journal
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
Volume 304, Issue 3, Pages 1329-1337Publisher
SPRINGER
DOI: 10.1007/s10967-015-3981-0
Keywords
Graphene oxide nanoribbons; Carbon nanotubes; Uranium(VI); Sorption
Funding
- National Natural Science Foundation of China [91226108]
- NSAF [U133025]
- Ph.D. Programs Foundation of Ministry of Education of China [20110181120001]
- National Fund of China for Fostering Talents in Basic Science [J1210004]
- Open Project Foundation of the Key Laboratory of Radioactive Geology and Exploration Technology Fundamental Science for National Defense (East China Institute of Technology) [RGET1216]
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Graphene oxide nanoribbons (GONRs) were fabricated by chemically unzipping multiwalled carbon canotubes and were characterized by SEM, TEM, XRD, Raman spectroscopy, FT-IR, TGA and XPS. The prepared GONRs were investigated as adsorbents for the removal of U(VI) ions from aqueous solutions as a function of pH, ionic strength, contact time and temperature. The maximum sorption capacity of U(VI) on GONRs was 394.1 mg g(-1), which was much higher than some other carbon-based nanomaterials. The results show that GONRs are promising materials for the removal and enrichment of uranium from large volumes of aqueous solutions.
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