Biosorption of methylene blue and eriochrome black T onto the brown macroalgae Fucus vesiculosus : equilibrium, kinetics, thermodynamics and optimization
The present study had the objective to investigate the equilibrium, kinetics, thermodynamic viability and system optimization of methylene blue (MB) and eriochrome black T (ET) biosorption onto Fucus vesiculosus (F. vesiculosus). A comprehensive bioadsorbent characterization was carried out. The infrared spectra suggested a physical biosorption mechanism that was later proven by the enthalpy change and the isotherms models. Furthermore, the process was best described by Langmuir and Temkin isotherm models, indicating the monolayer formation and the linear reduction of the heat of biosorption with the coverage degree. F. vesiculosus presented a maximum biosorption capacity of 698.477 mg·g-1 for MB, and 24.306 mg·g-1 for ET. Regarding kinetics, the pseudo-second-order kinetic model was the best fitted model. In addition, the film diffusion was confirmed as the process limiting step. The model's optimization was achieved in order to maximize the removal efficiency, corresponding to 99.28% for MB and 99.44% for ET.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:42 |
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| Enthalten in: |
Environmental technology - 42(2021), 2 vom: 01. Jan., Seite 279-297 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Lebron, Yuri Abner Rocha [VerfasserIn] |
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| Links: |
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| Themen: |
Adsorption |
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| Anmerkungen: |
Date Completed 22.01.2021 Date Revised 09.01.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1080/09593330.2019.1626914 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM297725955 |
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| 100 | 1 | |a Lebron, Yuri Abner Rocha |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Biosorption of methylene blue and eriochrome black T onto the brown macroalgae Fucus vesiculosus |b equilibrium, kinetics, thermodynamics and optimization |
| 264 | 1 | |c 2021 | |
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| 500 | |a Date Completed 22.01.2021 | ||
| 500 | |a Date Revised 09.01.2024 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a The present study had the objective to investigate the equilibrium, kinetics, thermodynamic viability and system optimization of methylene blue (MB) and eriochrome black T (ET) biosorption onto Fucus vesiculosus (F. vesiculosus). A comprehensive bioadsorbent characterization was carried out. The infrared spectra suggested a physical biosorption mechanism that was later proven by the enthalpy change and the isotherms models. Furthermore, the process was best described by Langmuir and Temkin isotherm models, indicating the monolayer formation and the linear reduction of the heat of biosorption with the coverage degree. F. vesiculosus presented a maximum biosorption capacity of 698.477 mg·g-1 for MB, and 24.306 mg·g-1 for ET. Regarding kinetics, the pseudo-second-order kinetic model was the best fitted model. In addition, the film diffusion was confirmed as the process limiting step. The model's optimization was achieved in order to maximize the removal efficiency, corresponding to 99.28% for MB and 99.44% for ET | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Adsorption | |
| 650 | 4 | |a Box–Behnken | |
| 650 | 4 | |a algae characterization | |
| 650 | 4 | |a dyes | |
| 650 | 4 | |a water treatment | |
| 650 | 7 | |a Azo Compounds |2 NLM | |
| 650 | 7 | |a Water Pollutants, Chemical |2 NLM | |
| 650 | 7 | |a Eriochrome Black T |2 NLM | |
| 650 | 7 | |a MPC0KHJ23C |2 NLM | |
| 650 | 7 | |a Methylene Blue |2 NLM | |
| 650 | 7 | |a T42P99266K |2 NLM | |
| 700 | 1 | |a Moreira, Victor Rezende |e verfasserin |4 aut | |
| 700 | 1 | |a de Souza Santos, Lucilaine Valéria |e verfasserin |4 aut | |
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