High specific surface area N-doped activated carbon from hydrothermal carbonization of shaddock peel for the removal of norfloxacin from aqueous solution

A novel N-doped activated carbon (NAC) derived from shaddock peel was investigated to remove norfloxacin (NFX) from aqueous solution. The Box-Behnken central composite design (BBD) was used to optimize the preparation conditions of NAC. The specific surface area of NAC was 2,481.81 m2 g-1, which was...

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Veröffentlicht in:Water science and technology : a journal of the International Association on Water Pollution Research. - 1986. - 85(2022), 10 vom: 29. Mai, Seite 2964-2979
1. Verfasser: Niu, Xinyong (VerfasserIn)
Weitere Verfasser: Liu, Chenglin, Li, Lin, Han, Xiuli, Chang, Chun, Li, Pan, Chen, Junying
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2022
Zugriff auf das übergeordnete Werk:Water science and technology : a journal of the International Association on Water Pollution Research
Schlagworte:Journal Article Water Pollutants, Chemical Water 059QF0KO0R Charcoal 16291-96-6 Norfloxacin N0F8P22L1P
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520 |a A novel N-doped activated carbon (NAC) derived from shaddock peel was investigated to remove norfloxacin (NFX) from aqueous solution. The Box-Behnken central composite design (BBD) was used to optimize the preparation conditions of NAC. The specific surface area of NAC was 2,481.81 m2 g-1, which was obtained at 1,106 K activation temperature, 2.4 h residence time, and 2.3:1 mass ratio of KOH to hydrochar. Moreover, the equilibrium data were perfectly represented by Langmuir and Koble-Corrigan isotherms, and the adsorption process was precisely described by the pseudo-second-order kinetic model. Besides, the adsorption of NFX on NAC was mainly controlled by π-π electron-donor-acceptor (EDA) interaction, hydrophobic effect, hydrogen-bonding, electrostatic interaction and Lewis acid-base effect. The maximum monolayer adsorption capacity of NFX was 746.29 mg g-1 at 298 K, implying that NAC was a promising adsorbent for the removal of NFX from aqueous solution 
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650 7 |a Norfloxacin  |2 NLM 
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700 1 |a Liu, Chenglin  |e verfasserin  |4 aut 
700 1 |a Li, Lin  |e verfasserin  |4 aut 
700 1 |a Han, Xiuli  |e verfasserin  |4 aut 
700 1 |a Chang, Chun  |e verfasserin  |4 aut 
700 1 |a Li, Pan  |e verfasserin  |4 aut 
700 1 |a Chen, Junying  |e verfasserin  |4 aut 
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