[1] Pawar, R. R., Lalhmunsiama, Ingole, P. G., & Lee, S. M. (2020). Use of activated bentonite-alginate composite beads for efficient removal of toxic Cu2+ and Pb2+ ions from aquatic environment. International Journal of Biological Macromolecules, 164, 3145–3154. https://doi.org/10.1016/j.ijbiomac.2020.08.130
[2] Ahmadifar, Z., & Dadvand Koohi, A. (2018). Characterization, preparation, and uses of nanomagnetic Fe3O4 impregnated onto fish scale as more efficient adsorbent for Cu2+ ion adsorption. Environmental Science and Pollution Research, 25(20), 19687–19700. https://doi.org/10.1007/s11356-018-2058-3
[3] Marszałek, A., & Puszczało, E. (2023). Removal of copper and lead ions from rainwater with an alginate-bentonite composite : batch and column studies. Desalination and Water Treatment, 311, 100–110. https://doi.org/10.5004/dwt.2023.29969
[4] 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
[5] Sadat, R., Cata, N. M., Bazan, C., Zendehboudi, S., & Albayati, T. M. (2023). Heliyon Adsorption of copper from water using TiO2 -modified activated carbon derived from orange peels and date seeds : Response surface methodology optimization. Heliyon, 9(11), e21420. https://doi.org/10.1016/j.heliyon.2023.e21420
[6] Al-mahbashi, N., Kutty, S. R. M., Jagaba, A. H., Al-nini, A., Ali, M., Saeed, A. A. H., Ghaleb, A. A. S., & Rathnayake, U. (2022). Column study for adsorption of copper and cadmium using activated carbon derived from sewage sludge. Advances in Civil Engineering, 2022, ID 3590462. https://doi.org/
10.1155/2022/3590462
[7] Liu, Y., Wang, H., Cui, Y., & Chen, N. (2023). Removal of copper ions from wastewater : a review. International Journal of Environmental Research and Public Health, 20(5), 3885.
[8] Moradi Zadeh, A. and Malek Mohammadi, M. M. (2023). Use of turnip peel bioadsorbent to remove chromium (VI) from water. Iranian Chemical Engineering Journal, in press. In Persian. https://doi: 10.22034/ijche.2023.406957.1333
[9] Tang, S., Yang, J., Lin, L., Peng, K., Chen, Y., Jin, S., & Yao, W. (2020). Construction of physically crosslinked chitosan / sodium alginate / calcium ion double-network hydrogel and its application to heavy metal ions removal. Chemical Engineering Journal, 393, 124728. https://doi.org/10.1016/j.cej.2020.124728
[10] Alimohammadzadeh, A., & Dadvand Koohi, A. (2018). Synthesis of Xanthan/Itaconic Acid/Clay Composite and Its Structural Analysis and Performance on Copper (II) Ions Adsorption from Aqueous Solution. Nashrieh Shimi va Mohandesi Shimi Iran (NSMSI), 37(4), 89–108, [In Persian].
[11] Jalali, M. A., Dadvand Koohi, A., & Sheykhan, M. (2016). Experimental study of the removal of copper ions using hydrogels of xanthan,
2-acrylamido-2-methyl-1-propane sulfonic acid, montmorillonite: kinetic and equilibrium study. Carbohydrate Polymers, 124–132. https://doi.org/10.1016/j.carbpol.2016.01.033
[12] Zhu, H., Chen, S., & Luo, Y. (2023). Adsorption mechanisms of hydrogels for heavy metal and organic dyes removal : A short review. Journal of Agriculture and Food Research, 12, 100552. https://doi.org/10.1016/j.jafr.2023.100552
[13] Mohafezatkar Gohari, R., Safarnia, M., Dadvand Koohi, A., & Baghban Salehi, M. (2022). Adsorptive removal of cationic dye by synthesized sustainable xanthan gum-g p(AMPS-co-AAm) hydrogel from aqueous media : Optimization by RSM-CCD model. Chemical Engineering Research and Design, 188, 714–728. https://doi.org/10.1016/j.cherd.2022.10.028
[14] Jourbonyan, M., Safarnia, M., Raji, F., & Koohi, A. D. (2023). Magnetic sodium alginate / hydroxyapatite nanocomposite as an efficient biosorbent for rapid adsorption of methylene blue. Korean Journal of Chemical Engineering, 40(1), 124–135. https://doi.org/10.1007/s11814-022-1203-3
[15] Rahmani, M., Koohi, A. D., & Faculty, E. (2021). Adsorption of malachite green on the modified montmorillonite/ Xanthan xanthan gum-sodium alginate hybrid nanocomposite. Polymer Bulletin. 79, 8241–8267.
[16] Alberto, J., Ortega, C., Hern, J., Hern, R., Gabriel, A., & Mendoza, A. (2023). Effective removal of Cu2+ ions from aqueous media using poly(acrylamide-co-itaconic acid) hydrogels in a semi-continuous process. Gels, 9(9), 702.
[17] Pishnamazi, M., Ghasemi, S., Khosravi, A., & Zabihisahebi, A. (2021). Removal of Cu(II) from industrial wastewater using poly (acrylamide-co-2-acrylamide-2-methyl propane sulfonic acid)/ graphene oxide/sodium alginate hydrogel: Isotherm, kinetics, and optimization study. Journal of Water Process Engineering, 42, 102144. https://doi.org/10.1016/j.jwpe.2021.102144
[18] Gomathi, T., Susi, S., Mujahid, M., Al-sehemi, A. G., Radha, E., Pazhanisamy, P., & Vijayakumar, S. (2024). Copper(II) ion removal from aqueous solutions using alginate nanoparticles/carboxymethyl cellulose/polyethylene glycol ternary blend : Characterization , isotherm and kinetic studies. Polymer Testing, 130, 108321.
[19] Ren, H., Gao, Z., Wu, D., Jiang, J., Sun, Y., & Luo, C. (2015). Efficient Pb(II) removal using sodium alginate–carboxymethyl cellulose gel beads: preparation, characterization, and adsorption mechanism. Carbohydrate Polymers, 137, 402–409. https://doi.org/10.1016/j.carbpol.2015.11.002
[20] Datta, S., Mandal, A., Dey, A., & Chakrabarty, D. (2020). Tuning the swelling and rheological attributes of bentonite clay modi fi ed starch grafted polyacrylic acid based hydrogel. Applied Clay Science, 185, 105405. https://doi.org/10.1016/j.clay.2019.105405
[21] Kohkanzadeh S, Mobasherpour I, Molaee MJ, et al (2024) Studying the effect of adsorption process variables on adsorption capacity and removal percentage of toluene from aqueous solutions by magnetic hydroxyapatite nanoparticles. Iranian Chemical Engineering Journal, 23(134), 7–19, [In Persian]. https://doi.org/10.22034/ijche.2023.376256.1261
[22] Mani, S. K., Bhandari, R., This, C., & Omega, A. C. S. (2022). Efficient fluoride removal by a fixed-bed column of self- assembled Zr(IV)‑, Fe(III)‑, Cu(II)-complexed polyvinyl alcohol hydrogel beads. ACS Omega, 7, 15048–15063. https://doi.org/10.1021/acsomega.2c00834
[23] Patel, H. (2019). Fixed‑bed column adsorption study : a comprehensive review. Applied Water Science, 9(3), 1–17. https://doi.org/10.1007/s13201-019-0927-7
[24] Ghaemi A, Hemmati A, Amani P (2020) Modeling and simulation of copper biosorption process in a fixed bed column. Iranian Chemical Engineering Journal, 19(112), 22–37, [In Persian].
[25] Muhammad, M., Aslam, A., Den, W., & Kuo, H. (2021). Removal of hexavalent chromium by encapsulated chitosan-modified magnetic carbon nanotubes : Fixed-bed column study and modelling. Journal of Water Process Engineering, 42(May), 102143. https://doi.org/10.1016/j.jwpe.2021.102143
[26] Marrane, S. E., Dˆanoun, K., Essamlali, Y., Aboulhrouz, S., Sair, S., Amadine, O., Jioui, I., Rhihila, A., & Zahouily, M. (2023). Fixed-bed adsorption of Pb(II) and Cu(II) from multi- metal aqueous systems onto cellulose-g- hydroxyapatite granules: optimization using response surface methodology. RSC Advances, 13, 31935–31947. https://doi.org/10.1039/d3ra04974d
[27] Ghasemi, M., Reza, A., Dabbagh, R., & Safdari, S. J. (2011). Biosorption of uranium ( VI ) from aqueous solutions by Ca-pretreated Cystoseira indica alga : Breakthrough curves studies and modeling. Journal of Hazardous Materials, 189(1–2), 141–149. https://doi.org/10.1016/j.jhazmat.2011.02.011
[28] Du, Z., Zheng, T., & Wang, P. (2018). Experimental and modelling studies on fixed bed adsorption for Cu(II) removal from aqueous solution by carboxyl modified jute fiber. Powder Technology, 338, 952–959. https://doi.org/10.1016/j.powtec.2018.06.015
[29] Ansari R, Mahmoudi N, Ostevar F (2016) Application of manganese dioxide nanocomposite to remove malachite green color in fixed bed column system. Iranian Chemical Engineering Journal, 15(87):74–85, [In Persian].
[30] Han, R., Zou, L., Zhao, X., Xu, Y., Xu, F., Li, Y., & Wang, Y. (2009). Characterization and properties of iron oxide-coated zeolite as adsorbent for removal of copper (II) from solution in fixed bed column. Chemical Engineering Journal, 149, 123–131. https://doi.org/10.1016/j.cej.2008.10.015
[31] Zhang, H., Omer, A. M., Hu, Z., Yang, L.-Y., Ji, C., & Ouyang, X. (2019). Fabrication of magnetic bentonite/carboxymethyl chitosan/ sodium alginate hydrogel beads for Cu (II) adsorption. International Journal of Biological Macromolecules, 135, 490–500. https://doi.org/10.1016/j.ijbiomac.2019.05.185
[32] Shakib, F., Koohi, A. D., & Kamran-Pirzaman, A. (2017). Adsorption of methylene blue by using novel chitosan-g-itaconic acid/bentonite nanocomposite-equilibrium and kinetic study. Water Science and Technology, 75(8), 1932–1943. https://doi.org/
10.2166/wst.2017.077
[33] Azin, A., Dadvand, A., & Bahare, K. (2022). Chitosan–collagen/hydroxyapatite and tripolyphosphate nanocomposite: characterization and application for copper removal from aqueous solution. Polymer Bulletin, 79, 10251–10275. https://doi.org/10.1007/s00289-021-03998-y
[34] Morales, C., Kan, C., Lourdes, M., Pascua, C., & Wan, M. (2011). Fixed-bed column studies on the removal of copper using chitosan immobilized on bentonite. Carbohydrate Polymers, 83(2), 697–704. https://doi.org/10.1016/j.carbpol.2010.08.043
[35] Zhou, Y., Wang, X., Yang, Y., Jiang, L., Wang, X., Tang, Y., & Xiao, L. (2024). Enhanced copper removal by magnesium modified biochar derived from Alternanthera philoxeroides. Environmental Research, 251(P2), 118652. https://doi.org/10.1016/j.envres.2024.118652
[36] Ji F, Li C, Xu J & Liu P (2013) Dynamic adsorption of Cu (II) from aqueous solution by zeolite / cellulose acetate blend fiber in fixed-bed. Colloids Surfaces A Physicochem Eng Asp 434, 88–94. https://doi.org/10.1016/j.colsurfa.2013.05.045
