Application of Biochar Derived From Pyrolysis of Waste Fiberboard on Tetracycline Adsorption in Aqueous Solution
In this study, biochars derived from waste fiberboard biomass were applied in tetracycline (TC) removal in aqueous solution. Biochar samples were prepared by slow pyrolysis at 300, 500, and 800°C, and were characterized by ultimate analysis, Fourier transform infrared (FTIR), scanning electron micro...
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Frontiers Media S.A.
2020-02-01
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| Series: | Frontiers in Chemistry |
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| Online Access: | https://www.frontiersin.org/article/10.3389/fchem.2019.00943/full |
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| author | Deliang Xu Yaxuan Gao Zixiang Lin Wenran Gao Hong Zhang Karnowo Karnowo Xun Hu Hongqi Sun Syed Shatir A. Syed-Hassan Shu Zhang Shu Zhang |
| author_facet | Deliang Xu Yaxuan Gao Zixiang Lin Wenran Gao Hong Zhang Karnowo Karnowo Xun Hu Hongqi Sun Syed Shatir A. Syed-Hassan Shu Zhang Shu Zhang |
| author_sort | Deliang Xu |
| collection | DOAJ |
| description | In this study, biochars derived from waste fiberboard biomass were applied in tetracycline (TC) removal in aqueous solution. Biochar samples were prepared by slow pyrolysis at 300, 500, and 800°C, and were characterized by ultimate analysis, Fourier transform infrared (FTIR), scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), Brunauer–Emmett–Teller (BET), etc. The effects of ionic strength (0–1.0 mol/L of NaCl), initial TC concentration (2.5–60 ppm), biochar dosage (1.5–2.5 g/L), and initial pH (2–10) were systemically determined. The results present that biochar prepared at 800°C (BC800) generally possesses the highest aromatization degree and surface area with abundant pyridinic N (N-6) and accordingly shows a better removal efficiency (68.6%) than the other two biochar samples. Adsorption isotherm data were better fitted by the Freundlich model (R2 is 0.94) than the Langmuir model (R2 is 0.85). Thermodynamic study showed that the adsorption process is endothermic and mainly physical in nature with the values of ΔH0 being 48.0 kJ/mol, ΔS0 being 157.1 J/mol/K, and ΔG0 varying from 1.02 to −2.14 kJ/mol. The graphite-like structure in biochar enables the π-π interactions with a ring structure in the TC molecule, which, together with the N-6 acting as electron donor, is the main driving force of the adsorption process. |
| first_indexed | 2024-04-13T21:22:17Z |
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| institution | Directory Open Access Journal |
| issn | 2296-2646 |
| language | English |
| last_indexed | 2024-04-13T21:22:17Z |
| publishDate | 2020-02-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Chemistry |
| spelling | doaj.art-7fd6ebb716e944b28afc0aaa412416de2022-12-22T02:29:27ZengFrontiers Media S.A.Frontiers in Chemistry2296-26462020-02-01710.3389/fchem.2019.00943510935Application of Biochar Derived From Pyrolysis of Waste Fiberboard on Tetracycline Adsorption in Aqueous SolutionDeliang Xu0Yaxuan Gao1Zixiang Lin2Wenran Gao3Hong Zhang4Karnowo Karnowo5Xun Hu6Hongqi Sun7Syed Shatir A. Syed-Hassan8Shu Zhang9Shu Zhang10Lab of Biomass Energy and Functional Carbon Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, ChinaLab of Biomass Energy and Functional Carbon Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, ChinaLab of Biomass Energy and Functional Carbon Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, ChinaLab of Biomass Energy and Functional Carbon Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, ChinaLab of Biomass Energy and Functional Carbon Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, ChinaLab of Biomass Energy and Functional Carbon Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, ChinaSchool of Material Science and Engineering, University of Jinan, Jinan, ChinaSchool of Engineering, Edith Cowan University, Joondalup, WA, AustraliaFaculty of Chemical Engineering, Universiti Teknologi MARA, Shah Alam, MalaysiaLab of Biomass Energy and Functional Carbon Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, ChinaSchool of Engineering, Edith Cowan University, Joondalup, WA, AustraliaIn this study, biochars derived from waste fiberboard biomass were applied in tetracycline (TC) removal in aqueous solution. Biochar samples were prepared by slow pyrolysis at 300, 500, and 800°C, and were characterized by ultimate analysis, Fourier transform infrared (FTIR), scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), Brunauer–Emmett–Teller (BET), etc. The effects of ionic strength (0–1.0 mol/L of NaCl), initial TC concentration (2.5–60 ppm), biochar dosage (1.5–2.5 g/L), and initial pH (2–10) were systemically determined. The results present that biochar prepared at 800°C (BC800) generally possesses the highest aromatization degree and surface area with abundant pyridinic N (N-6) and accordingly shows a better removal efficiency (68.6%) than the other two biochar samples. Adsorption isotherm data were better fitted by the Freundlich model (R2 is 0.94) than the Langmuir model (R2 is 0.85). Thermodynamic study showed that the adsorption process is endothermic and mainly physical in nature with the values of ΔH0 being 48.0 kJ/mol, ΔS0 being 157.1 J/mol/K, and ΔG0 varying from 1.02 to −2.14 kJ/mol. The graphite-like structure in biochar enables the π-π interactions with a ring structure in the TC molecule, which, together with the N-6 acting as electron donor, is the main driving force of the adsorption process.https://www.frontiersin.org/article/10.3389/fchem.2019.00943/fullbiochartetracyclinefiberboardadsorptionpyrolysis |
| spellingShingle | Deliang Xu Yaxuan Gao Zixiang Lin Wenran Gao Hong Zhang Karnowo Karnowo Xun Hu Hongqi Sun Syed Shatir A. Syed-Hassan Shu Zhang Shu Zhang Application of Biochar Derived From Pyrolysis of Waste Fiberboard on Tetracycline Adsorption in Aqueous Solution Frontiers in Chemistry biochar tetracycline fiberboard adsorption pyrolysis |
| title | Application of Biochar Derived From Pyrolysis of Waste Fiberboard on Tetracycline Adsorption in Aqueous Solution |
| title_full | Application of Biochar Derived From Pyrolysis of Waste Fiberboard on Tetracycline Adsorption in Aqueous Solution |
| title_fullStr | Application of Biochar Derived From Pyrolysis of Waste Fiberboard on Tetracycline Adsorption in Aqueous Solution |
| title_full_unstemmed | Application of Biochar Derived From Pyrolysis of Waste Fiberboard on Tetracycline Adsorption in Aqueous Solution |
| title_short | Application of Biochar Derived From Pyrolysis of Waste Fiberboard on Tetracycline Adsorption in Aqueous Solution |
| title_sort | application of biochar derived from pyrolysis of waste fiberboard on tetracycline adsorption in aqueous solution |
| topic | biochar tetracycline fiberboard adsorption pyrolysis |
| url | https://www.frontiersin.org/article/10.3389/fchem.2019.00943/full |
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