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Enhanced Arsenic Removal from Aqueous Solution by Fe/Mn-C Layered Double Hydroxide Composite
Wang, Yaru; Gao, Yingying; Zhu, Zongqiang; Zhang, Lihao; Zhao, Ningning; Fang, Yali; Zhu, Yinian; Liu, Guifeng
2021-01-09
Source PublicationADSORPTION SCIENCE & TECHNOLOGY
ISSN0263-6174
Volume2021Pages:-
AbstractA novel material named Fe/Mn-C layered double hydroxide composite (Fe/Mn-C-LDH) was synthesized to remove arsenic from an aqueous solution. The removal performance of the composite toward arsenic ions was studied through the batch experiments. The experiment results showed that Fe/Mn-C-LDH exhibited a high adsorption capacity of 46.47 mg/g for As(III) and 37.84 mg/g for As(V) at 318 K, respectively. In addition, the investigation of the release of Fe3+ and Mn2+ in the process of arsenic adsorption revealed that the Fe/Mn-C-LDH exhibited better stability than Fe/Mn-layer double hydroxide (Fe/Mn-LDH) with fewer Mn2+ and Fe3+ releasing under the same condition. The BET results showed that the specific surface area of Fe/Mn-C-LDH decreased after adsorption of As (III) and As (V). Furthermore, the Density Functional Theory (DFT) calculation results proved that the adsorbent combining arsenic by T-site to produce a better adsorption effect for arsenic. Possessing better stability and adsorption capacity, Fe/Mn-C-LDH could potentially serve as a perfect adsorbent for arsenic removal from an aqueous environment. It would provide a promising approach for removing heavy metal from the aquatic environment in the future.
Department环境水质学国家重点实验室
WOS Research AreaChemistry, Applied ; Chemistry, Physical ; Engineering, Chemical
Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/45934
Collection环境水质学国家重点实验室
Affiliation1.Guilin Univ Technol, Collaborat Innovat Ctr Water Pollut Control & Wat, Guilin 541004, Peoples R China
2.Guilin Univ Technol, Guangxi Key Lab Environm Pollut Control Theory &, Guilin 541004, Peoples R China
3.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Beijing 100085, Peoples R China
Recommended Citation
GB/T 7714
Wang, Yaru,Gao, Yingying,Zhu, Zongqiang,et al. Enhanced Arsenic Removal from Aqueous Solution by Fe/Mn-C Layered Double Hydroxide Composite[J]. ADSORPTION SCIENCE & TECHNOLOGY,2021,2021:-.
APA Wang, Yaru.,Gao, Yingying.,Zhu, Zongqiang.,Zhang, Lihao.,Zhao, Ningning.,...&Liu, Guifeng.(2021).Enhanced Arsenic Removal from Aqueous Solution by Fe/Mn-C Layered Double Hydroxide Composite.ADSORPTION SCIENCE & TECHNOLOGY,2021,-.
MLA Wang, Yaru,et al."Enhanced Arsenic Removal from Aqueous Solution by Fe/Mn-C Layered Double Hydroxide Composite".ADSORPTION SCIENCE & TECHNOLOGY 2021(2021):-.
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