UM
Influence of interfering anions on Cu2+ and Zn2+ ions removal on chestnut outer shell-derived hydrochars in aqueous solution
Hong, Xiaoting; Fang, Chengran; Hui, K. S.; Hui, K. N.; Zhuang, Haifeng; Liu, Wanpeng; Shan, Shengdao
2017
Source PublicationRSC ADVANCES
ISSN2046-2069
Volume7Issue:81Pages:51199-51205
AbstractHydrothermal carbonization method was used to produce different hydrochars from chestnut outer shell at various temperatures while resolving the environmental issues of agricultural bio-waste. Hydrochars were adopted as adsorbents to remove heavy metal ions (copper and zinc ions) from aqueous solution. Hydrochar samples were characterized by Scanning Electron Microscope (SEM), Fourier Transform Infrared (FTIR), and Brunauer-Emmett-Teller (BET) nitrogen adsorption-desorption isotherm. An increase in the hydrothermal temperature from 160 degrees C to 220 degrees C results in higher BET surface area (18.81 m(2) g(-1)) and the porosity of the samples. The resultant hydrochar at 220 degrees C exhibited a more excellent adsorption performance (8.13 mg g(-1) for copper nitrate) than the other two hydrochars at low hydrothermal temperature. The current study addressed the influence of interfering anions of nitrates, sulfates and chlorides on the adsorption performance. The result shows that the hydrochar possesses larger removal efficiency for heavy metal nitrates that that of chlorides and sulfates.
DOI10.1039/c7ra10384k
URLView the original
Indexed BySCI
Language英语
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000414780700016
PublisherROYAL SOC CHEMISTRY
The Source to ArticleWOS
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Cited Times [WOS]:2   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
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GB/T 7714
Hong, Xiaoting,Fang, Chengran,Hui, K. S.,et al. Influence of interfering anions on Cu2+ and Zn2+ ions removal on chestnut outer shell-derived hydrochars in aqueous solution[J]. RSC ADVANCES,2017,7(81):51199-51205.
APA Hong, Xiaoting.,Fang, Chengran.,Hui, K. S..,Hui, K. N..,Zhuang, Haifeng.,...&Shan, Shengdao.(2017).Influence of interfering anions on Cu2+ and Zn2+ ions removal on chestnut outer shell-derived hydrochars in aqueous solution.RSC ADVANCES,7(81),51199-51205.
MLA Hong, Xiaoting,et al."Influence of interfering anions on Cu2+ and Zn2+ ions removal on chestnut outer shell-derived hydrochars in aqueous solution".RSC ADVANCES 7.81(2017):51199-51205.
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