Standardization and micromechanistic study of tetracycline adsorption by biochar
Abstract Modification serves as an excellent approach to enhancing the adsorption performance of biochar for tetracycline. Selective modification further allows the attainment of biochar materials that are not only more efficient but also cost-effective. However, the key structural factors influenc...
| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
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Springer
2024-02-01
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| Series: | Biochar |
| Subjects: | |
| Online Access: | https://doi.org/10.1007/s42773-023-00299-7 |
| _version_ | 1797273666264760320 |
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| author | Xiaotong Zhang Jinju Hou Shudong Zhang Tong Cai Shujia Liu Wenjin Hu Qiuzhuo Zhang |
| author_facet | Xiaotong Zhang Jinju Hou Shudong Zhang Tong Cai Shujia Liu Wenjin Hu Qiuzhuo Zhang |
| author_sort | Xiaotong Zhang |
| collection | DOAJ |
| description | Abstract Modification serves as an excellent approach to enhancing the adsorption performance of biochar for tetracycline. Selective modification further allows the attainment of biochar materials that are not only more efficient but also cost-effective. However, the key structural factors influencing the adsorption of tetracycline by biochar remain unclear at present, hindering the effective guidance for modification strategies. This study established the relationship between carbonization degree and adsorption capacity, constructed a standardized microscopic model for biochar adsorption of tetracycline, and explored potential reaction mechanisms. The results indicated that with increases in the degree of carbonization, the tetracycline adsorption capacity of biochar increased from 16.08 mg L−1 to 98.35 mg L−1. The adsorption energy exhibited a strong correlation with the aromatic condensation of biochar at p ≤ 0.01, with a linear relationship (r2 ≥ 0.94). For low carbonization degrees, the adsorption of tetracycline by biochar was primarily driven by chemical bonds (69.21%) and complemented with electrostatic interactions, weak van der Waals forces or π-π interactions. For high carbonization degrees, the synergistic effects of hydrogen bonding, van der Waals forces, and π-π interactions determined the adsorption of tetracycline on biochar (91.1%). Additionally, larger carbon clusters resulted in stronger and more stable adsorption interactions. Furthermore, carboxyl-functionalized highly carbonized biochar displayed the highest reaction energy of − 1.8370 eV for adsorption of tetracycline through electrostatic interactions. This study suggests that a high degree of aromatic condensation in the carbon structure of biochar is crucial for the efficient adsorption of tetracycline. Graphical Abstract |
| first_indexed | 2024-03-07T14:47:35Z |
| format | Article |
| id | doaj.art-60a2d26503dd4c519c2f0c9e069d59f0 |
| institution | Directory Open Access Journal |
| issn | 2524-7867 |
| language | English |
| last_indexed | 2024-03-07T14:47:35Z |
| publishDate | 2024-02-01 |
| publisher | Springer |
| record_format | Article |
| series | Biochar |
| spelling | doaj.art-60a2d26503dd4c519c2f0c9e069d59f02024-03-05T19:52:17ZengSpringerBiochar2524-78672024-02-016111510.1007/s42773-023-00299-7Standardization and micromechanistic study of tetracycline adsorption by biocharXiaotong Zhang0Jinju Hou1Shudong Zhang2Tong Cai3Shujia Liu4Wenjin Hu5Qiuzhuo Zhang6Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, Shanghai Engineering Research Center of Biotransformation of Organic Solid Waste, School of Ecological and Environmental Sciences, East China Normal UniversitySchool of Chemical and Environmental Engineering, Shanghai Institute of TechnologyShanghai Key Lab for Urban Ecological Processes and Eco-Restoration, Shanghai Engineering Research Center of Biotransformation of Organic Solid Waste, School of Ecological and Environmental Sciences, East China Normal UniversityShanghai Key Lab for Urban Ecological Processes and Eco-Restoration, Shanghai Engineering Research Center of Biotransformation of Organic Solid Waste, School of Ecological and Environmental Sciences, East China Normal UniversityShanghai SUS Environment Co., LTDShanghai Key Lab for Urban Ecological Processes and Eco-Restoration, Shanghai Engineering Research Center of Biotransformation of Organic Solid Waste, School of Ecological and Environmental Sciences, East China Normal UniversityShanghai Key Lab for Urban Ecological Processes and Eco-Restoration, Shanghai Engineering Research Center of Biotransformation of Organic Solid Waste, School of Ecological and Environmental Sciences, East China Normal UniversityAbstract Modification serves as an excellent approach to enhancing the adsorption performance of biochar for tetracycline. Selective modification further allows the attainment of biochar materials that are not only more efficient but also cost-effective. However, the key structural factors influencing the adsorption of tetracycline by biochar remain unclear at present, hindering the effective guidance for modification strategies. This study established the relationship between carbonization degree and adsorption capacity, constructed a standardized microscopic model for biochar adsorption of tetracycline, and explored potential reaction mechanisms. The results indicated that with increases in the degree of carbonization, the tetracycline adsorption capacity of biochar increased from 16.08 mg L−1 to 98.35 mg L−1. The adsorption energy exhibited a strong correlation with the aromatic condensation of biochar at p ≤ 0.01, with a linear relationship (r2 ≥ 0.94). For low carbonization degrees, the adsorption of tetracycline by biochar was primarily driven by chemical bonds (69.21%) and complemented with electrostatic interactions, weak van der Waals forces or π-π interactions. For high carbonization degrees, the synergistic effects of hydrogen bonding, van der Waals forces, and π-π interactions determined the adsorption of tetracycline on biochar (91.1%). Additionally, larger carbon clusters resulted in stronger and more stable adsorption interactions. Furthermore, carboxyl-functionalized highly carbonized biochar displayed the highest reaction energy of − 1.8370 eV for adsorption of tetracycline through electrostatic interactions. This study suggests that a high degree of aromatic condensation in the carbon structure of biochar is crucial for the efficient adsorption of tetracycline. Graphical Abstracthttps://doi.org/10.1007/s42773-023-00299-7AntibioticsTetracyclinesDensity functional theoryCarbon |
| spellingShingle | Xiaotong Zhang Jinju Hou Shudong Zhang Tong Cai Shujia Liu Wenjin Hu Qiuzhuo Zhang Standardization and micromechanistic study of tetracycline adsorption by biochar Biochar Antibiotics Tetracyclines Density functional theory Carbon |
| title | Standardization and micromechanistic study of tetracycline adsorption by biochar |
| title_full | Standardization and micromechanistic study of tetracycline adsorption by biochar |
| title_fullStr | Standardization and micromechanistic study of tetracycline adsorption by biochar |
| title_full_unstemmed | Standardization and micromechanistic study of tetracycline adsorption by biochar |
| title_short | Standardization and micromechanistic study of tetracycline adsorption by biochar |
| title_sort | standardization and micromechanistic study of tetracycline adsorption by biochar |
| topic | Antibiotics Tetracyclines Density functional theory Carbon |
| url | https://doi.org/10.1007/s42773-023-00299-7 |
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