首页|Effective separation of uranium(VI) from wastewater using a magnetic carbon as a recyclable adsorbent
Effective separation of uranium(VI) from wastewater using a magnetic carbon as a recyclable adsorbent
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NSTL
An environmentally friendly magnetic biochar was successfully prepared for the efficient removal of uranium(VT) from wastewater. The results of batch adsorption experiments showed that the uranium(VI) removal on the magnetic biochar was almost independent on the ion strength and ion species. After five cycles, the removal percentage of uranium(VI) on the magnetic biochar still exceeded 90%, which displayed that the magnetic biochar possessed excellent reusability for removing uranium(VT). It was worth mentioning that the biochar-based adsorbents were easy to be recovered from solution after doping magnetic iron oxide into biochar. Besides, the as-prepared magnetic biochar could effectively (95.2%) remove uranium(VI) with a high adsorption capacity (662.5 mg/g), which was far superior to other biochar-based adsorbents. In a word, it was expected that this investigation would provide a green treatment method for the excess of cow manure and an ideal adsorbent for removing uranium(VI) from wastewater.CapsuleThe magnetic biochar with excellent adsorption properties were prepared via environment friendly method.
State Key Laboratory of Environment-friendly Energy Materials, Sichuan Co-Innovation Center for New Energetic Materials, National Co-innovation Center for Nuclear Waste Disposal and Environmental Safety, Nuclear Waste and Environmental Safety Key Laboratory of Defense, School of National Defence Science & Technology, Southwest University of Science and Technology, Mianyang 621010, China
NSTL
