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Waste cigarette filters: activated carbon as a novel sorbent for uranium removal |
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| Authors: | Pu Dongdong Kou Ying Zhang Ling Liu Bo Zhu Wenkun Zhu Lin Duan Tao |
| Institution: | 1.State Key Laboratory of Environment-Friendly Energy Materials, School of National Defence Science and Technology, Southwest University of Science and Technology, Mianyang, 621010, China ;2.National Collaborative Innovation Center for Nuclear Waste and Environmental Safety, Southwest University of Science and Technology, Mianyang, 621010, China ; |
| Abstract: | Uranium is important in the nuclear fuel cycle as both as an energy source and as radioactive waste. Herein, activated carbon (AC) prepared from waste cigarette filters by convenient carbonization and functionalization was chosen as the raw materials for radionuclides adsorption. Batch adsorption experiments showed that AC presented comparable UO22+ adsorption capacity (106 mg g?1) and very outstanding selectivity. The adsorption process accorded with Langmuir model and the pseudo-second-order kinetics model well. This work combines the waste cigarette filters with the radioactive nuclear treatment materials, which may provide a new strategy for the future treatment of waste cigarette butts. |
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