The agricultural and forestry waste pine needle was selected to prepare the biochar which magnetized by the Fe3O4 to treat the typical wastewaters of the dye methylene blue (MB) and carmine (P4R) in view of the problem of quick increasing dye wastewater caused by the rapid development of textile, printing and dyeing industries, and the research result showed the experimental values of the maximum adsorption capacity of modified biochar for MB and P4R were 465.6mg·g-1 and 336.6mg·g-1 respectively. When the dosage of MBC is 0.010g and 0.015g, both the removal rate and the adsorption capacity can be maintained at a high level. Lower pH is conducive to the adsorption of P4R, and a higher pH is conducive to the adsorption of MB. As the adsorption time and initial dye concentration increase, the adsorption capacity of both dyes increases. As the temperature increases, the amount of MB adsorption increases, while the amount of P4R adsorption decreases and the adsorption of MB by MBC is a high-temperature spontaneous adsorption process, and the adsorption of P4R is a low-temperature spontaneous adsorption. The Langmuir model can better describe the adsorption process of MBC to MB, which is a single-layer adsorption, and the Freundlich adsorption model can better describe the adsorption process of MBC to P4R, which is a multi-layer adsorption. The adsorption of MB and P4R by MBC conforms to the quasi-second-order kinetic model.
Published in | Advances in Materials (Volume 10, Issue 4) |
DOI | 10.11648/j.am.20211004.14 |
Page(s) | 75-86 |
Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
Copyright |
Copyright © The Author(s), 2021. Published by Science Publishing Group |
Biochar, Dye Modification, Magnetism, Adsorption, Dye Wastewater, Pine Needle
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APA Style
Zhiyong Han, Dehua Wang, Jie Wu, Qingyue Xiong, Yanxia Zhang, et al. (2021). Study on the Preparation of Magnetic Pine Needle Biochar and Its Adsorption Performance for the Dye. Advances in Materials, 10(4), 75-86. https://doi.org/10.11648/j.am.20211004.14
ACS Style
Zhiyong Han; Dehua Wang; Jie Wu; Qingyue Xiong; Yanxia Zhang, et al. Study on the Preparation of Magnetic Pine Needle Biochar and Its Adsorption Performance for the Dye. Adv. Mater. 2021, 10(4), 75-86. doi: 10.11648/j.am.20211004.14
AMA Style
Zhiyong Han, Dehua Wang, Jie Wu, Qingyue Xiong, Yanxia Zhang, et al. Study on the Preparation of Magnetic Pine Needle Biochar and Its Adsorption Performance for the Dye. Adv Mater. 2021;10(4):75-86. doi: 10.11648/j.am.20211004.14
@article{10.11648/j.am.20211004.14, author = {Zhiyong Han and Dehua Wang and Jie Wu and Qingyue Xiong and Yanxia Zhang and Kaiqing Zhang}, title = {Study on the Preparation of Magnetic Pine Needle Biochar and Its Adsorption Performance for the Dye}, journal = {Advances in Materials}, volume = {10}, number = {4}, pages = {75-86}, doi = {10.11648/j.am.20211004.14}, url = {https://doi.org/10.11648/j.am.20211004.14}, eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.am.20211004.14}, abstract = {The agricultural and forestry waste pine needle was selected to prepare the biochar which magnetized by the Fe3O4 to treat the typical wastewaters of the dye methylene blue (MB) and carmine (P4R) in view of the problem of quick increasing dye wastewater caused by the rapid development of textile, printing and dyeing industries, and the research result showed the experimental values of the maximum adsorption capacity of modified biochar for MB and P4R were 465.6mg·g-1 and 336.6mg·g-1 respectively. When the dosage of MBC is 0.010g and 0.015g, both the removal rate and the adsorption capacity can be maintained at a high level. Lower pH is conducive to the adsorption of P4R, and a higher pH is conducive to the adsorption of MB. As the adsorption time and initial dye concentration increase, the adsorption capacity of both dyes increases. As the temperature increases, the amount of MB adsorption increases, while the amount of P4R adsorption decreases and the adsorption of MB by MBC is a high-temperature spontaneous adsorption process, and the adsorption of P4R is a low-temperature spontaneous adsorption. The Langmuir model can better describe the adsorption process of MBC to MB, which is a single-layer adsorption, and the Freundlich adsorption model can better describe the adsorption process of MBC to P4R, which is a multi-layer adsorption. The adsorption of MB and P4R by MBC conforms to the quasi-second-order kinetic model.}, year = {2021} }
TY - JOUR T1 - Study on the Preparation of Magnetic Pine Needle Biochar and Its Adsorption Performance for the Dye AU - Zhiyong Han AU - Dehua Wang AU - Jie Wu AU - Qingyue Xiong AU - Yanxia Zhang AU - Kaiqing Zhang Y1 - 2021/12/29 PY - 2021 N1 - https://doi.org/10.11648/j.am.20211004.14 DO - 10.11648/j.am.20211004.14 T2 - Advances in Materials JF - Advances in Materials JO - Advances in Materials SP - 75 EP - 86 PB - Science Publishing Group SN - 2327-252X UR - https://doi.org/10.11648/j.am.20211004.14 AB - The agricultural and forestry waste pine needle was selected to prepare the biochar which magnetized by the Fe3O4 to treat the typical wastewaters of the dye methylene blue (MB) and carmine (P4R) in view of the problem of quick increasing dye wastewater caused by the rapid development of textile, printing and dyeing industries, and the research result showed the experimental values of the maximum adsorption capacity of modified biochar for MB and P4R were 465.6mg·g-1 and 336.6mg·g-1 respectively. When the dosage of MBC is 0.010g and 0.015g, both the removal rate and the adsorption capacity can be maintained at a high level. Lower pH is conducive to the adsorption of P4R, and a higher pH is conducive to the adsorption of MB. As the adsorption time and initial dye concentration increase, the adsorption capacity of both dyes increases. As the temperature increases, the amount of MB adsorption increases, while the amount of P4R adsorption decreases and the adsorption of MB by MBC is a high-temperature spontaneous adsorption process, and the adsorption of P4R is a low-temperature spontaneous adsorption. The Langmuir model can better describe the adsorption process of MBC to MB, which is a single-layer adsorption, and the Freundlich adsorption model can better describe the adsorption process of MBC to P4R, which is a multi-layer adsorption. The adsorption of MB and P4R by MBC conforms to the quasi-second-order kinetic model. VL - 10 IS - 4 ER -