Adsorption of toxic dye Eosin Y from aqueous solution by clay/carbon composite derived from spent bleaching earth
© 2020 Water Environment Federation..
The environmentally friendly clay/carbon composite (SBE/C) was prepared by one-step pyrolysis under N2 atmosphere at 700°C of spent bleaching earth (SBE) from the industrial waste of the refined oil industry. SBE/C was tested to remove anionic dye Eosin Y from aqueous water. The results revealed that SBE/C had larger specific surface area than SBE, and the equilibrium adsorption capacity of SBE/C (11.15 mg/g) was about 3 times than that of SBE (4.04 mg/g). The adsorption process was found to be exothermic and spontaneous. The adsorption capacity of SBE/C was independent on pH (5-12), and exhibits satisfactorily recyclable performance. Combined with characterization analysis, the adsorption mechanism likely includes electrostatic interaction, hydrogen bonding, hydrophobic interaction, halogen bonding, and π-π interaction. Overall, this exploration of SBE/C might open a window to the design of an efficient and low-cost adsorbent for Eosin Y dye elimination from wastewater. PRACTITIONER POINTS: The resource utilization of industrial waste SBE was achieved. SBE/C was synthesized and tested to adsorb Eosin Y for the first time. SBE/C had characteristics with porous structure and large surface area. pH had little effect on adsorption capacity of SBE/C for Eosin Y. SBE/C exhibited potential for dye elimination from wastewater.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:93 |
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| Enthalten in: |
Water environment research : a research publication of the Water Environment Federation - 93(2021), 1 vom: 21. Jan., Seite 159-169 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Liu, Yongde [VerfasserIn] |
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| Links: |
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| Themen: |
059QF0KO0R |
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| Anmerkungen: |
Date Completed 29.12.2020 Date Revised 29.12.2020 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1002/wer.1376 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM311430694 |
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| 245 | 1 | 0 | |a Adsorption of toxic dye Eosin Y from aqueous solution by clay/carbon composite derived from spent bleaching earth |
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| 500 | |a Citation Status MEDLINE | ||
| 520 | |a © 2020 Water Environment Federation. | ||
| 520 | |a The environmentally friendly clay/carbon composite (SBE/C) was prepared by one-step pyrolysis under N2 atmosphere at 700°C of spent bleaching earth (SBE) from the industrial waste of the refined oil industry. SBE/C was tested to remove anionic dye Eosin Y from aqueous water. The results revealed that SBE/C had larger specific surface area than SBE, and the equilibrium adsorption capacity of SBE/C (11.15 mg/g) was about 3 times than that of SBE (4.04 mg/g). The adsorption process was found to be exothermic and spontaneous. The adsorption capacity of SBE/C was independent on pH (5-12), and exhibits satisfactorily recyclable performance. Combined with characterization analysis, the adsorption mechanism likely includes electrostatic interaction, hydrogen bonding, hydrophobic interaction, halogen bonding, and π-π interaction. Overall, this exploration of SBE/C might open a window to the design of an efficient and low-cost adsorbent for Eosin Y dye elimination from wastewater. PRACTITIONER POINTS: The resource utilization of industrial waste SBE was achieved. SBE/C was synthesized and tested to adsorb Eosin Y for the first time. SBE/C had characteristics with porous structure and large surface area. pH had little effect on adsorption capacity of SBE/C for Eosin Y. SBE/C exhibited potential for dye elimination from wastewater | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Eosin Y | |
| 650 | 4 | |a adsorption | |
| 650 | 4 | |a clay/carbon composite | |
| 650 | 4 | |a pH | |
| 650 | 4 | |a spent bleaching earth | |
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| 650 | 7 | |a Water |2 NLM | |
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| 650 | 7 | |a Clay |2 NLM | |
| 650 | 7 | |a T1FAD4SS2M |2 NLM | |
| 650 | 7 | |a Eosine Yellowish-(YS) |2 NLM | |
| 650 | 7 | |a TDQ283MPCW |2 NLM | |
| 700 | 1 | |a Chen, Yao |e verfasserin |4 aut | |
| 700 | 1 | |a Shi, Yahui |e verfasserin |4 aut | |
| 700 | 1 | |a Wan, Dongjin |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Jing |e verfasserin |4 aut | |
| 700 | 1 | |a Xiao, Shuhu |e verfasserin |4 aut | |
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