Journal
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
Volume 308, Issue 3, Pages 1027-1037Publisher
SPRINGER
DOI: 10.1007/s10967-015-4601-8
Keywords
Diethylenetriamine; Cycas revoluta leaves; Uranium(VI); Thermodynamics; Dynamics; Adsorption
Funding
- Natural Science Foundation of China [91326106, U1401231, 11475079]
- Defense Industrial Technology Development Program [B3720132001]
- Innovation program of Doctor in USC [2015XCX01]
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A kind of functional plant composite adsorbent was prepared through diethylenetriamine modifing the Cycas revoluta leaves for low concentration of U(VI) in waste water. The dynamic behavior of the adsorption, the Langmuir and Freundlich equations and the thermodynamic parameters was were also examined in the present study. The experimental results showed that diethylenetriamine functionalized Cycas revoluta leaves used for low concentration of uranium possessed many advantages such as widely raw material sources, simple and economy for preparation, less adsorbent dosage, short balance time, high adsorption efficiency, good chemical and mechanical stability, and can be effective regeneration or reused.
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