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Journal of the Korean Chemical Society (JKCS)

ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 61, Number 5
JKCSEZ 61(5)
October 20, 2017

Title	Selective Removal of Al(III) from Rare Earth Solutions Using Peas-based Activated Carbon
Author	Fu Qiang An*, Rui Yan Wu, Min Li, Zhi Guo Yuan, Tuo Ping Hu, Jian Feng Gao
Keywords	Activated carbon, Recognition, Selectivity, Al(III), Peas
Abstract	Efficiently removing Al(III) from rare earth is very significant because even trace amount of Al(III) can cause serious harm to the rare earth materials. In this paper, a nitrogen-containing activated carbon, AC-P700, was synthesized using peas as raw materials. The AC-P700 was characterized by surface area analyzer, FT-IR, and XPS methods. The adsorption and recognition properties of AC-P700 towards Al(III) were investigated, and the recognition mechanism was also analyzed. The BET special surface area of AC-P700 was 1277.1 m2·g−1, and the average pore diameter was 1.90 nm. The AC-P700 possesses strong adsorption affinity and excellent recognition selectivity towards Al(III). The adsorption capacity for Al(III) could reach to 0.53 mmol·g−1, and relative selectivity coefficients relative to La(III) and Ce(III) is 9.6 and 8.7, respectively. Besides, ACP700 possesses better regeneration ability and reusability.
Page	231 - 237
Full Text	PDF

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