References

1. I.A. Tałałaj, P. Biedka, I. Bartkowska, Treatment of landfill leachates with biological pretreatments and reverse osmosis, Environ. Chem. Lett., 17 (2019) 1177–1193.
2. X. Yu, Q. Sui, S. Lyu, W. Zhao, X. Cao, J. Wang, G. Yu, Do high levels of PPCPs in landfill leachates influence the water environment in the vicinity of landfills? A case study of the largest landfill in China, Environ. Int., 135 (2020) 105404, doi: 10.1016/j.envint.2019.105404.
3. P. Mandal, A.K. Gupta, B.K. Dubey, Synthesis of graphite/PbO₂ anode: electrodeposition process modeling for improved landfill leachate treatment using RSM and ANN approach, Int. J. Environ. Sci. Technol., 17 (2020) 1947–1962.
4. W. Chen, A. Zhang, G. Jiang, Q. Li, Transformation and degradation mechanism of landfill leachates in a combined process of SAARB and ozonation, Waste Mange., 85 (2019) 283–294.
5. C. Teng, K. Zhou, C. Peng, W. Chen, Characterization and treatment of landfill leachate: a review, Water Res., 203 (2021) 117525, doi: 10.1016/j.watres.2021.117525.
6. W. Chen, Q. Li, Elimination of UV-quenching substances from MBR- and SAARB-treated mature landfill leachates in an ozonation process: a comparative study, Chemosphere, 242 (2020) 125256, doi:10.1016/j.chemosphere.2019.125256.
7. B. Xu, S.M. Iskander, Z. He, Dominant formation of unregulated disinfection by-products during electrocoagulation treatment of landfill leachate, Environ. Res., 182 (2020) 109006, doi:10.1016/j.envres.2019.109006.
8. F. Zeng, X. Liao, D. Pan, H. Shi, Adsorption of dissolved organic matter from landfill leachate using activated carbon prepared from sewage sludge and cabbage by ZnCl₂, Environ. Sci. Pollut. Res., 27 (2019) 4891–4904.
9. L. Zhang, X. Wang, D. Yue, Effect of submerged combustion evaporation on Cd complexation potential of organic matter in municipal solid waste landfill leachate, Environ. Pollut., 267 (2020) 115573, doi:10.1016/j.envpol.2020.115573.
10. M.A. Abdel-Fatah, Nanofiltration systems and applications in wastewater treatment: review article, Ain Shams Eng. J., 9 (2018) 3077–3092.
11. M. Moradi, F. Ghanbari, Application of response surface method for coagulation process in leachate treatment as pretreatment for Fenton Process: biodegradability improvement, J. Water Process Eng., 4 (2014) 67–73.
12. F. Khalil, O. Bouaouine, H. Chtioui, S. Souabi, M.A. Aboulhassan, A. Ouammou, Treatment of landfill leachate by coagulation–flocculation, J. Mater. Environ. Sci., 6 (2015) 1337–1342.
13. G. Varank, S. Yazici Guvenc, A. Demir, Electro-activated peroxymonosulfate and peroxydisulfate oxidation of leachate nanofiltration concentrate: multiple-response optimization, Int. J. Environ. Sci. Technol., 17 (2020) 2707–2720.
14. P. Kaur, M.A. Imteaz, M. Sillanpää, V.K. Sangal, J.P. Kushwaha, Parametric optimization and MCR-ALS kinetic modeling of electro oxidation process for the treatment of textile wastewater, Chemom. Intell. Lab. Syst., 203 (2020) 2020–2021.
15. R.J. Watts, M. Ahmad, A.K. Hohner, A.L. Teel, Persulfate activation by glucose for in situ chemical oxidation, Water Res., 133 (2018) 247–254.
16. S.-N. Nam, H. Cho, J. Han, N. Her, J. Yoon, Photocatalytic degradation of acesulfame K: optimization using the Box– Behnken design (BBD), Process Saf. Environ. Prot., 113 (2018) 10–21.
17. S. Ghafari, A.B. Hamidi, M.H. Isa, A.A. Zinatizadeh, Application of response surface methodology (RSM) to optimize coagulation–flocculation treatment of leachate using poly-aluminium chloride (PAC) and alum,
    J. Hazard. Mater., 163 (2009) 650–656.
18. K.E. Lee, N. Morad, T.T. Teng, B.T. Poh, Factorial experimental design for reactive dye flocculation using inorganic-organic composite polymer, Procedia APCBEE, 1 (2012) 59–69.
19. X. Liu, X.M. Li, Q. Yang, X. Yue, T.T. Shen, W. Zheng, K. Luo, Y.H. Sun, G.M. Zeng, Landfill leachate pretreatment by coagulation–flocculation process using iron-based coagulants: optimization by response surface methodology, Chem. Eng. J., 202 (2012) 39–51.
20. E. Marañón, L. Castrillón, Y. Fernández-Nava, A. Fernández-Méndez, A. Fernández-Sánchez, Coagulation–flocculation as a pretreatment process at a landfill leachate nitrification denitrification plant,
    J. Hazard. Mater., 156 (2008) 538–544.
21. A. Amokrane, C. Comel, J. Veron, Landfill leachates pretreatment by coagulation–flocculation, Water Res., 31 (1997) 2275–2782.
22. O. Bouaouine, I. Bourven, F. Khalil, M. Baudu, Identification of functional groups of Opuntia ficus-indica involved in coagulation process after its active part extraction, Environ. Sci. Pollut. Res. Int., 25 (2018) 11111–11119.
23. B. Ihssane, M. Charrouf, A. Abourriche, Y. Abboud, A. Bouabidi, A. Bennamara, T. Saffaj, Acta Chromatogr., 23 (2011) 41–57.
24. S.Y. Chen, P.-L. Show, J.C. Juan, T.C. Ling, B.F. Lau, S.H. Lai, E.P. Ng, Sustainable landfill leachate treatment: optimize use of guar gum as natural coagulant and floc characterization, Environ. Res., 188 (2020) 109737, doi: 10.1016/j. envres.2020.109737.
25. B. Tawakkoly, A. Alizadehdakhel, F. Dorosti, Evaluation of COD and turbidity removal from compost leachate wastewater using Salvia hispanica as a natural coagulant, Ind. Crops Prod., 137 (2019) 323–331.
26. Y. Smaoui, M. Chaabouni, S. Sayadi, J. Bouzid, Coagulation–flocculation process for landfill leachate pretreatment and optimization with response surface methodology, Desal. Water Treat., 57 (2016) 14488–14495.