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11/12/2025
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Dinh, T. L. P., & Tran, T. T. H. (2025). Green synthesis of Fe-Ni bimetallic material from guava leaf extract for Cu removal from wastewater. Journal of Water Resources & Environmental Engineering, 97, 43-48. https://dev.vojs.vn/index.php/jwree/article/view/12
Green synthesis of Fe-Ni bimetallic material from guava leaf extract for Cu removal from wastewater
Main Article Content
Abstract
This study synthesized Fe-Ni bimetallic material from the guava leaf extract for the removal of copper (Cu) from wastewater. The material composition was characterized using EDS and FT-IR spectra. SEM images indicated that particle sizes ranging from 60 to 90 nm, confirming the nanoscale nature of the material. Batch adsorption experiments were conducted with an initial Cu concentration in solution of 5 mg/L. The results showed that Fe-Ni exhibited Cu removal capability, as evidenced by EDS and FT-IR analyses after the adsorption process. The removal mechanism was proposed to involve adsorption and reduction processes on the material surface. Optimal conditions were found to be pH 6, Fe-Ni dosage of 0.8 g/L, temperature of 25°C, contact time of 150 minutes, achieving a maximum removal efficiency of 79%. These results suggest that Fe-Ni synthesized from guava leaves is a friendly and low-cost adsorbent with strong potential for Cu removal in water treatment applications.
Article Details
Keywords
Fe-Ni bimetallic material, Cu removal, wastewater treatment, adsorption, green synthesis
References
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Qinghua Xu, Yulu Wang, Liqiang Jin, Yu Wang, Menghua Qin, 2017. Adsorption of Cu (II), Pb (II) and Cr (VI) from aqueous solutions using black wattle tannin-immobilized nanocellulose. Journal of Hazardous Materials, 339, 91-99. https://doi.org/10.1016/j.jhazmat.2017.06.005
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Youssif, M. M., El-Attar, H. G., Hessel, V., & Wojnicki, M., 2024. Recent developments in the adsorption of heavy metal ions from aqueous solutions using various nanomaterials. Materials, 17(21), 5141. https://doi.org/10.3390/ma17215141
Yue, Y., Adhab, A. H., Sur, D., 2025. Thermodynamic modeling adsorption behavior of a well-known gelation crosslinker on sandstone rocks. Scientific Reports, 15, 22544. https://doi.org/10.1038/s41598-025-06005-w
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Zhou, B., Fan, B., Gong, Z., Shao, S., Zhou, D., & Gao, S., 2024. Optimized preparation of Ni-Fe bimetallic particles by ball milling NiSO₄ and iron powder for efficient removal of triclosan. Chemosphere, 360, 142359.
https://doi.org/10.1016/j.chemosphere.2024.142359
Al-Ahmari JM, Alghanmi RM, Hamouda RA., 2025, Bio-Fabricated Aluminum Oxide Nanoparticles Derived from Waste Pharmaceutical Packages: Insight into Characterization and Applications. Biomolecules. Jul 10;15(7):984. doi:10.3390/biom15070984
Gao, J. F., Wu, Z. L., Duan, W. J., & Zhang, W. Z., 2019. Simultaneous adsorption and degradation of triclosan by Ginkgo biloba L. stabilized Fe-Co bimetallic nanoparticles. Science of the Total Environment, 662, 978-989. https://doi.org/10.1016/j.scitotenv.2019.01.194
Hanjie Chen, Mei Zhang, Shuyang Chen and Ying Fang, 2024. Study adsorbents based on bent-Al13-CS-CTA and its application to the removal of CR from wastewater. RSC Advances, 14, 13817. https://doi.org/10.1039/D4RA00197D
Hamdi, M. F., 2025. Advanced remediation of toxic materials using zero-valent iron nanoparticles: A comprehensive review. Water, Air, & Soil Pollution, 236, 780. https://doi.org/10.1007/s11270-025-08420-1
Khodadad Kavosi Rakati, Masoomeh Mirzaei, Sarah Maghsoodi, Amirhossein Shahbazi, 2019. Preparation and characterization of polyaniline-modified chitosan embedded with ZnO-Fe3O4 for Cu(II) removal from aqueous solution. International Journal of Biological Macromolecules, 130, 1025-1045. https://doi.org/10.1016/j.ijbiomac.2019.02.033
Sewoon Kim, Kyoung Hoon Chu, Yasir A.J. Al-Hamadani, Chang Min Park, Min Jang, Do-Hyung Kim, Miao Yu, Jiyong Heo, Yeomin Yoon, 2018. Removal of contaminants of emerging concern by membranes in water and wastewater: A review. Chemical Engineering Journal, 335, 896-914. https://doi.org/10.1016/j.cej.2017.11.044
Le ND, Hoang TTH, Phung VP, Nguyen TL, Rochelle-Newall E, Duong TT, Pham TMH, Phung TXB, Nguyen TD, Le PT, Pham LA, Nguyen TAH, Le TPQ, 2022. Evaluation of heavy metal contamination in the coastal aquaculture zone of the Red River Delta (Vietnam). Chemosphere. 2022 Sep;303(Pt 1):134952. doi:10.1016/j.chemosphere.2022.134952
Yuanqiong Lin, Jin, X., Owens, G., & Chen, Z., 2019. Simultaneous removal of mixed contaminants triclosan and copper by green synthesized bimetallic iron/nickel nanoparticles. Science of the Total Environment, 695, 133878. https://doi.org/10.1016/j.scitotenv.2019.133878
Ministry of Natural Resources and Environment (MONRE), 2020. National report on the state of the environment, 2016-2020 period.
Phuong, D. T. L., 2024. Green synthesis of iron nanoparticles from plants. Journal of Water Resources & Environmental Engineering, 92(12/2024).
Popoola LT., 2024. Parameter Influence, Characterization and Adsorption Mechanism Studies of Alkaline-Hydrolyzed Garcinia kola Hull Particles for Cr(VI) Sequestration. Environmental Health Insights. 18:11786302231215667. doi:10.1177/11786302231215667
Singh, J., Dutta, T., Kim, KH. et al., 2018. ‘Green’ synthesis of metals and their oxide nanoparticles: applications for environmental remediation. Journal of Nanobiotechnology, 16, 84. https://doi.org/10.1186/s12951-018-0408-4
Teng, X., Xie, K., Yan, C., Wang, Z., & Qu, R., 2024. Effect of small molecule phenolic compounds on the removal of triclosan (TCS) by heat/persulfate process: Formation of cross coupling products and implications for wastewater treatment. Chemical Engineering Journal, 488. https://doi.org/10.1016/j.cej.2024.150966
USEPA., 2021. National Recommended Water Quality Criteria - Aquatic Life Criteria Table. United States Environmental Protection Agency.
Van Thinh, N., Chung, N.T., Luong, L.T.M. et al., 2022. Assessment of total concentrations of heavy metals in industrial sludges from the North of Vietnam and their potential impact on the ecosystem. Environmental Science and Pollution Research, 29, 42055-42066. https://doi.org/10.1007/s11356-021-17619-8
Villagrán, Z., Anaya-Esparza, L. M., Velázquez-Carriles, C. A., Silva-Jara, J. M., Ruvalcaba-Gómez, J. M., Aurora-Vigo, E. F., Rodríguez-Lafitte, E., Rodríguez-Barajas, N., Balderas-León, I., & Martínez-Esquivias, F., 2024. Plant-Based Extracts as Reducing, Capping, and Stabilizing Agents for the Green Synthesis of Inorganic Nanoparticles. Resources, 13(6), 70. https://doi.org/10.3390/resources13060070
Weng, X. L., Guo, M. Y., Luo, F., & Chen, Z. L., 2017. One-step green synthesis of bimetallic Fe-Ni nanoparticles by eucalyptus leaf extract: Biomolecules identification, characterization and catalytic activity. Chemical Engineering Journal, 308, 904-911. https://doi.org/10.1016/j.cej.2016.09.134
Qinghua Xu, Yulu Wang, Liqiang Jin, Yu Wang, Menghua Qin, 2017. Adsorption of Cu (II), Pb (II) and Cr (VI) from aqueous solutions using black wattle tannin-immobilized nanocellulose. Journal of Hazardous Materials, 339, 91-99. https://doi.org/10.1016/j.jhazmat.2017.06.005
Yan, Z. R., Meng, H. S., Yang, X. Y., Zhu, Y. Y., Li, X. Y., Xu, J., & Sheng, G. P., 2019. Insights into the interactions between triclosan (TCS) and extracellular polymeric substance (EPS) of activated sludge. Journal of Environmental Management, 232, 219-225.
Youssif, M. M., El-Attar, H. G., Hessel, V., & Wojnicki, M., 2024. Recent developments in the adsorption of heavy metal ions from aqueous solutions using various nanomaterials. Materials, 17(21), 5141. https://doi.org/10.3390/ma17215141
Yue, Y., Adhab, A. H., Sur, D., 2025. Thermodynamic modeling adsorption behavior of a well-known gelation crosslinker on sandstone rocks. Scientific Reports, 15, 22544. https://doi.org/10.1038/s41598-025-06005-w
Zhang, W. L., Oswal, H., Renew, J., Ellison, K., & Huang, C. H., 2019. Removal of heavy metals by aged zero-valent iron from flue-gas-desulfurization brine under high salt and temperature conditions. Journal of Hazardous Materials, 373, 572-579.
Zhou, B., Fan, B., Gong, Z., Shao, S., Zhou, D., & Gao, S., 2024. Optimized preparation of Ni-Fe bimetallic particles by ball milling NiSO₄ and iron powder for efficient removal of triclosan. Chemosphere, 360, 142359.
https://doi.org/10.1016/j.chemosphere.2024.142359