ENHANCING THE ADSORPTION CAPACITY OF Pb2+ AND Cu2+ IONS IN AQUEOUS SOLUTION USING POTASSIUM PERMANGANATE-MODIFIED BIOCHAR
Main Article Content
Abstract
This study aims to enhance the adsorption capacity of sawdust-derived biochar (BC-MC) for heavy metal ions by modifying it with a KMnO4 solution. The adsorption performance of KMnO4-modified biochar (BC-KMnO4) was evaluated by examining the impact of various single-variable factors: pH (2.0 – 6.0), initial concentration of the metal ions (25 – 200 mg‧L⁻¹), adsorption time (5 – 1440 minutes), and adsorbent mass (0.05 – 0.10 g). The findings indicate that the adsorption of Cu²⁺ and Pb²⁺ ions onto BC-KMnO4 followed the pseudo-second-order kinetic model and the monolayer adsorption mechanism, suggesting that the Langmuir adsorption isotherm model best describes the adsorption process. The BC-KMnO4 exhibited a maximum adsorption capacity of 24.15 mg‧g⁻¹ for Cu²⁺ and 90.09 mg‧g⁻¹ for Pb²⁺. Overall, the study confirms that KMnO4 modification significantly enhances the adsorption capacity of BC-MC for metal ions, making it a promising low-cost and environmentally friendly material for water treatment applications.
Keywords
adsorption, biochar, ion Cu2 , ion Pb2 , modification with KMnO4
Article Details
References
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Sun, C., Chen, T., Huang, Q., Wang, J., Lu, S., & Yan, J. (2019). Enhanced adsorption for Pb(II) and Cd(II) of magnetic rice husk biochar by KMnO4 modification. Environmental Science and Pollution Research, 26(9), 8902-8913. https://doi.org/10.1007/s11356-019-04321-z
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Wang, S., Gao, B., Li, Y., Mosa, A., Zimmerman, A. R., Ma, L. Q., Harris, W. G., & Migliaccio, K. W. (2015). Manganese oxide-modified biochars: Preparation, characterization, and sorption of arsenate and lead. Bioresource Technology, 181, 13-17. https://doi.org/10.1016/j.biortech.2015.01.044
Wang, Y., Liu, Y., Lu, H., Yang, R., & Yang, S. (2018). Competitive adsorption of Pb ( II ), Cu (II, and Zn ( II ) ions onto hydroxyapatite-biochar nanocomposite in aqueous solutions. Journal of Solid State Chemistry, 261(February), 53-61. https://doi.org/10.1016/j.jssc.2018.02.010
Wang, Y.-Y., Liu, Y.-X., Lu, H.-H., Yang, R.-Q., & Yang, S.-M. (2018). Competitive adsorption of Pb(II), Cu(II), and Zn(II) ions onto hydroxyapatite-biochar nanocomposite in aqueous solutions. Journal of Solid State Chemistry, 261, 53–61. https://doi.org/10.1016/j.jssc.2018.02.010
Xiao, Z., Zhang, L., Wu, L., & Chen, D. (2019). Adsorptive removal of Cu(II) from aqueous solutions using a novel macroporous bead adsorbent based on poly(vinyl alcohol)/sodium alginate/KMnO4 modified biochar. Journal of the Taiwan Institute of Chemical Engineers, 102, 110-117. https://doi.org/10.1016/j.jtice.2019.05.010
Atkins, P. (2013). Physical Chemistry. In Oxford University. Oxford University. https://doi.org/10.1093/actrade/9780199572199.003.0002
Bakatula, E. N., Richard, D., Neculita, C. M., & Zagury, G. J. (2018). Determination of point of zero charge of natural organic materials. Environmental Science and Pollution Research, 25(8), 7823-7833. https://doi.org/10.1007/s11356-017-1115-7
Barakat, M. A. (2011). New trends in removing heavy metals from industrial wastewater. Arabian Journal of Chemistry, 4(4), 361-377. https://doi.org/10.1016/j.arabjc.2010.07.019
Bui. V. T., & Tran. T. X. M. (2017). Khảo sát hấp phụ As(V) trong dung dịch nước bằng vật liệu zeolite biến tính bằng Mn [Investigating the As(V) ions removal in aqueous solution using Mn-Modified zeolite material]. Dong Thap University Journal of Science, 24(02-2017), 2-8.
Duwiejuah, A. B., Cobbina, S. J., & Bakobie, N. (2017). Review of eco-friendly biochar used in the removal of trace metals on aqueous phases. International Journal of Environmental Bioremediation & Biodegradation, 5(2), 27–40. https://doi.org/10.12691/ijebb-5-2-1
Inyang, M., Gao, B., Yao, Y., Xue, Y., & Zimmerman, A. R. (2012a). Bioresource Technology Removal of heavy metals from aqueous solution by biochars derived from anaerobically digested biomass. Bioresource Technology, 110, 50-56. https://doi.org/10.1016/j.biortech.2012.01.072
Inyang, M., Gao, B., Yao, Y., Xue, Y., Zimmerman, A. R., Pullammanappallil, P., & Cao, X. (2012b). Removal of heavy metals from aqueous solution by biochars derived from anaerobically digested biomass. Bioresource Technology, 110, 50–56. https://doi.org/10.1016/j.biortech.2012.01.072
Keiluweit, M., Nico, P. S., Johnson, M. G., & Kleber, M. (2010). Dynamic Molecular Structure of Plant Biomass-derived Black Carbon(Biochar)- Supporting Information -. Environ. Sci. Technol., 44(4), 1247–1253. 10.1021/es9031419
Kumar, R., Rani, M., Gupta, H., & Gupta, B. (2014). Trace metal fractionation in water and sediments of an urban river stretch. Chemical Speciation and Bioavailability, 26(4), 200-209. https://doi.org/10.3184/095422914X14142369069568
Li, B., Yang, L., Wang, C.-Q., Zhang, Q.-P., Liu, Q.-C., Li, Y.-D., & Xiao, R. (2017). Adsorption of Cd(II) from aqueous solutions by rape straw biochar derived from different modification processes. Chemosphere, 175, 332–340. https://doi.org/10.1016/j.chemosphere.2017.02.061
Li, H., Dong, X., da Silva, E. B., de Oliveira, L. M., Chen, Y., & Ma, L. Q. (2017). Mechanisms of metal sorption by biochars: Biochar characteristics and modifications. Chemosphere, 178, 466–478. https://doi.org/10.1016/j.chemosphere.2017.03.072
Ma, J., Huang, W., Zhang, X., Li, Y., & Wang, N. (2021). The utilization of lobster shell to prepare low-cost biochar for high-efficient removal of copper and cadmium from aqueous: Sorption properties and mechanisms. Journal of Environmental Chemical Engineering, 9(1), 104703. https://doi.org/10.1016/j.jece.2020.104703
Merck. (2022). IR Spectrum Table & Chart. https://www.sigmaaldrich.com/VN/en/technical-documents/technical-article/analytical-chemistry/photometry-and-reflectometry/ir-spectrum-table
Ni, B., Huang, Q., Wang, C., Ni, T., Sun, J., & Wei, W. (2019). Chemosphere Competitive adsorption of heavy metals in aqueous solution onto biochar derived from anaerobically digested sludge. Chemosphere, 219, 351-357. https://doi.org/10.1016/j.chemosphere.2018.12.053
Pasgar, A., Nasiri, A., & Javid, N. (2022). Single and competitive adsorption of Cu2+ and Pb2+ by tea pulp from aqueous solutions. Environmental Health Engineering and Management, 9(1), 65–74. https://doi.org/10.34172/EHEM.2022.08
Pham, T. C. L., Luu, G. H., Nguyen, K. D. M., & Truong, C. H. (2021). Nghiên cứu khả năng xử lí ion Pb(II) và Cu(II) trong dung dịch bằng than sinh học điều chế từ mùn cưa [A study on the removal of ions Pb(II) and Cu(II) from solution by using biochar derived from sawdust]. Ho Chi Minh City University of Education Journal of Science, 12, 2162-2177.
Song, Z., Lian, F., Yu, Z., Zhu, L., Xing, B., & Qiu, W. (2014). Synthesis and characterization of a novel MnOx-loaded biochar and its adsorption properties for Cu2+ in aqueous solution. Chemical Engineering Journal, 242, 36-42. https://doi.org/10.1016/j.cej.2013.12.061
Sun, C., Chen, T., Huang, Q., Wang, J., Lu, S., & Yan, J. (2019). Enhanced adsorption for Pb(II) and Cd(II) of magnetic rice husk biochar by KMnO4 modification. Environmental Science and Pollution Research, 26(9), 8902-8913. https://doi.org/10.1007/s11356-019-04321-z
Tan, X.-F., Liu, Y.-G., Gu, Y.-L., Xu, Y., Zeng, G.-M., Hu, X.-J., Liu, S.-B., Wang, X., Liu, S.-M., & Li, J. (2016). Biochar-based nano-composites for the decontamination of wastewater: A review. Bioresource Technology, 212, 318–333. https://doi.org/10.1016/j.biortech.2016.04.093
Wang, S., Gao, B., Li, Y., Mosa, A., Zimmerman, A. R., Ma, L. Q., Harris, W. G., & Migliaccio, K. W. (2015). Manganese oxide-modified biochars: Preparation, characterization, and sorption of arsenate and lead. Bioresource Technology, 181, 13-17. https://doi.org/10.1016/j.biortech.2015.01.044
Wang, Y., Liu, Y., Lu, H., Yang, R., & Yang, S. (2018). Competitive adsorption of Pb ( II ), Cu (II, and Zn ( II ) ions onto hydroxyapatite-biochar nanocomposite in aqueous solutions. Journal of Solid State Chemistry, 261(February), 53-61. https://doi.org/10.1016/j.jssc.2018.02.010
Wang, Y.-Y., Liu, Y.-X., Lu, H.-H., Yang, R.-Q., & Yang, S.-M. (2018). Competitive adsorption of Pb(II), Cu(II), and Zn(II) ions onto hydroxyapatite-biochar nanocomposite in aqueous solutions. Journal of Solid State Chemistry, 261, 53–61. https://doi.org/10.1016/j.jssc.2018.02.010
Xiao, Z., Zhang, L., Wu, L., & Chen, D. (2019). Adsorptive removal of Cu(II) from aqueous solutions using a novel macroporous bead adsorbent based on poly(vinyl alcohol)/sodium alginate/KMnO4 modified biochar. Journal of the Taiwan Institute of Chemical Engineers, 102, 110-117. https://doi.org/10.1016/j.jtice.2019.05.010