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Title: The adsorption of rare earth ions using carbonized polydopamine nano shells

Journal Article · · Journal of Rare Earths
 [1];  [2];  [2];  [3];  [2];  [2];  [3]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Chinese Academy of Sciences (CAS), Xiamen (China)
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  3. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Univ. of Tennessee, Knoxville, TN (United States)

Herein we reported the structure effects of carbon nano-shells prepared by the carbonization of polydopamine for the adsorption of rare earth elements (REEs) for the first time. Solid carbon spheres, 60 nm carbon shells and 500 nm carbon shells were prepared and evaluated for adsorption and desorption of REEs. The adsorption performance of carbon nano-shells for REEs was far superior to the solid carbon spheres. In addition, the effect of acidity on the adsorption and desorption properties was discussed. The good adsorption performance of the carbon nano-shells could be attributed to their pore structure, specific surface area, and the presence of both amine and carbonyl groups from the grafted dopamine.

Research Organization:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1240515
Alternate ID(s):
OSTI ID: 1335332
Journal Information:
Journal of Rare Earths, Vol. 34, Issue 1; ISSN 1002-0721
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 32 works
Citation information provided by
Web of Science

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Cited By (7)

Sorption in the chemistry of rare earth elements journal June 2017
Dopamine Assisted One-Step Pyrolysis of Glucose for the Preparation of Porous Carbon with A High Surface Area journal October 2018
Versatile Surface Modification Using Polydopamine and Related Polycatecholamines: Chemistry, Structure, and Applications journal September 2017
How to efficiently utilize electrode materials in supercapattery? journal January 2019
Pyrogenic Materials-Induced Immobilization of Eu in Aquatic and Soil Systems: Comparative Study journal April 2018
The Recovery of Rare Earth Elements (REEs) from Aqueous Solutions Using Natural Zeolite and Bentonite journal July 2019
Kenaf cellulose-based poly(amidoxime) ligand for adsorption of rare earth ions journal May 2018