3D Porous Structure-Inspired Lignocellulosic Biosorbent of <i>Medulla tetrapanacis</i> for Efficient Adsorption of Cationic Dyes
The focus of this work was on developing a green, low-cost, and efficient biosorbent based on the biological structure and properties of MT and applying it to the remediation of cationic dyes in dye wastewater. The adsorption performance and mechanism of MT on methylene blue (MB) and crystal violet...
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MDPI AG
2022-09-01
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| Series: | Molecules |
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| Online Access: | https://www.mdpi.com/1420-3049/27/19/6228 |
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| author | Jie Zhang Hao Ji Zepeng Liu Liping Zhang Zihao Wang Ying Guan Hui Gao |
| author_facet | Jie Zhang Hao Ji Zepeng Liu Liping Zhang Zihao Wang Ying Guan Hui Gao |
| author_sort | Jie Zhang |
| collection | DOAJ |
| description | The focus of this work was on developing a green, low-cost, and efficient biosorbent based on the biological structure and properties of MT and applying it to the remediation of cationic dyes in dye wastewater. The adsorption performance and mechanism of MT on methylene blue (MB) and crystal violet (CV) were investigated by batch adsorption experiments. The results demonstrated that the highest adsorption values of MT for MB (411 mg/g) and CV (553 mg/g) were greatly higher than the reported values of other biosorbents. In addition, the adsorption behaviors of methylene blue (MB) and crystal violet (CV) by MT were spontaneous exothermic reactions and closely followed the pseudo-second-order (PSO) kinetics and Langmuir isotherm. Further, the depleted MT was regenerated using pyrolysis mode to convert depleted MT into MT-biochar (MBC). The maximum adsorption of Cu<sup>2+</sup> and Pb<sup>2+</sup> by MBC was up to 320 mg/g and 840 mg/g, respectively. In conclusion, this work presented a new option for the adsorption of cationic dyes in wastewater and a new perspective for the treatment of depleted biosorbents. |
| first_indexed | 2024-03-09T21:26:43Z |
| format | Article |
| id | doaj.art-91dba2bd881847199290921eb2f892fa |
| institution | Directory Open Access Journal |
| issn | 1420-3049 |
| language | English |
| last_indexed | 2024-03-09T21:26:43Z |
| publishDate | 2022-09-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Molecules |
| spelling | doaj.art-91dba2bd881847199290921eb2f892fa2023-11-23T21:07:52ZengMDPI AGMolecules1420-30492022-09-012719622810.3390/molecules271962283D Porous Structure-Inspired Lignocellulosic Biosorbent of <i>Medulla tetrapanacis</i> for Efficient Adsorption of Cationic DyesJie Zhang0Hao Ji1Zepeng Liu2Liping Zhang3Zihao Wang4Ying Guan5Hui Gao6School of Forestry and Landscape Architecture, Anhui Agricultural University, Hefei 230036, ChinaSchool of Forestry and Landscape Architecture, Anhui Agricultural University, Hefei 230036, ChinaSchool of Forestry and Landscape Architecture, Anhui Agricultural University, Hefei 230036, ChinaSchool of Forestry and Landscape Architecture, Anhui Agricultural University, Hefei 230036, ChinaSchool of Forestry and Landscape Architecture, Anhui Agricultural University, Hefei 230036, ChinaSchool of Forestry and Landscape Architecture, Anhui Agricultural University, Hefei 230036, ChinaSchool of Forestry and Landscape Architecture, Anhui Agricultural University, Hefei 230036, ChinaThe focus of this work was on developing a green, low-cost, and efficient biosorbent based on the biological structure and properties of MT and applying it to the remediation of cationic dyes in dye wastewater. The adsorption performance and mechanism of MT on methylene blue (MB) and crystal violet (CV) were investigated by batch adsorption experiments. The results demonstrated that the highest adsorption values of MT for MB (411 mg/g) and CV (553 mg/g) were greatly higher than the reported values of other biosorbents. In addition, the adsorption behaviors of methylene blue (MB) and crystal violet (CV) by MT were spontaneous exothermic reactions and closely followed the pseudo-second-order (PSO) kinetics and Langmuir isotherm. Further, the depleted MT was regenerated using pyrolysis mode to convert depleted MT into MT-biochar (MBC). The maximum adsorption of Cu<sup>2+</sup> and Pb<sup>2+</sup> by MBC was up to 320 mg/g and 840 mg/g, respectively. In conclusion, this work presented a new option for the adsorption of cationic dyes in wastewater and a new perspective for the treatment of depleted biosorbents.https://www.mdpi.com/1420-3049/27/19/6228<i>Medulla tetrapanacis</i>cationic dyeadsorptionbiosorbent |
| spellingShingle | Jie Zhang Hao Ji Zepeng Liu Liping Zhang Zihao Wang Ying Guan Hui Gao 3D Porous Structure-Inspired Lignocellulosic Biosorbent of <i>Medulla tetrapanacis</i> for Efficient Adsorption of Cationic Dyes Molecules <i>Medulla tetrapanacis</i> cationic dye adsorption biosorbent |
| title | 3D Porous Structure-Inspired Lignocellulosic Biosorbent of <i>Medulla tetrapanacis</i> for Efficient Adsorption of Cationic Dyes |
| title_full | 3D Porous Structure-Inspired Lignocellulosic Biosorbent of <i>Medulla tetrapanacis</i> for Efficient Adsorption of Cationic Dyes |
| title_fullStr | 3D Porous Structure-Inspired Lignocellulosic Biosorbent of <i>Medulla tetrapanacis</i> for Efficient Adsorption of Cationic Dyes |
| title_full_unstemmed | 3D Porous Structure-Inspired Lignocellulosic Biosorbent of <i>Medulla tetrapanacis</i> for Efficient Adsorption of Cationic Dyes |
| title_short | 3D Porous Structure-Inspired Lignocellulosic Biosorbent of <i>Medulla tetrapanacis</i> for Efficient Adsorption of Cationic Dyes |
| title_sort | 3d porous structure inspired lignocellulosic biosorbent of i medulla tetrapanacis i for efficient adsorption of cationic dyes |
| topic | <i>Medulla tetrapanacis</i> cationic dye adsorption biosorbent |
| url | https://www.mdpi.com/1420-3049/27/19/6228 |
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