References

1. A. Almasi, A. Mosavi, M. Mohammadi, S. Azemnia, K. Godini, A. Zarei, S. Mohammadi, efficiency of integrated ultrasonic and anaerobic digestion of oil refinery wastewater sludge, Glob NEST., 18 (2016) 771–777.
2. M. Hua, S. Zhang, B. Pan, W. Zhang, L. Lv, Q. Zhang, Heavy metal removal from water/wastewater by nanosized metal oxides: a review, J. Hazard. Mater., 211 (2012) 317–331.
3. M. Barakat, New trends in removing heavy metals from industrial wastewater. Arab. J. Chem.., 4 (2011) 361–377.
4. V. Gupta, A. Nayak, Cadmium removal and recovery from aqueous solutions by novel adsorbents prepared from orange peel and Fe₂O₃ nanoparticles, Chem. Eng. J., 180 ( 2012) 81–90.
5. M. Singanan, Removal of lead (II) and cadmium (II) ions from wastewater using activated biocarbon, Sci Asia., 37 (2011) 115–119.
6. X. Zhang, L. Yang, Y. Li, H. Li, W. Wang, B. Ye B, Impacts of lead/zinc mining and smelting on the environment and human health in China, Environ. Monit. Assess., 184 (2012) 2261–2273.
7. A. Almasi, M. Mohammadi, L. Tabandeh, Efficiency of a constructed wetland in controlling organic pollutants, nitrogen, and heavy metals from sewage, J. Chem. Pharm. Sci., 9 (2016) 2924–2928.
8. A. Almasi, A. Dargahi, A. Amrane, M. Fazlzadeh, M. Mahmoudi, A. Hashemian, Effect of the retention time and the phenol concentration the stabilization pond efficiency in the treatment of oil refinery wastewater. Fresen. Environ. Bull., 23 (2014) 2541–2548.
9. A. Almasi, M. Fazlzadeh, T. Khosravi, E. Sadeghi, A new approach to anaerobic-anoxic stabilization pond: treating petroleum refinery wastewater, Arch Sci., 65 (2012) 10–18.
10. H. Rahmatiyar, E.R. Salmani, M.R. Alipour, H. Alidadi, Wastewater treatment efficiency in stabilization ponds, Olang treatment plant, Mashhad, 2011-13. Iran. J. Health Saf . Environ., 2 (2015) 217–223.
11. A. Dean, D. Voss, D. Draguljić, Response surface methodology. Design and analysis of experiments, Springer publication, Cham. 2017.
12. M.H. Muhamad, S.R.S. Abdullah, A.B. Mohamad, R.A. Rahman, A.A.H. Kadhum, Application of response surface methodology (RSM) for optimisation of COD, NH3–N and 2, 4-DCP removal from recycled paper wastewater in a pilot-scale granular activated carbon sequencing batch biofilm reactor (GACSBBR), J. Environ. Manage., 121 (2013) 179–190.
13. A. Almasi, M. Pescod, Wastewater treatment mechanisms in anoxic stabilization ponds. Water Sci. Technol., 33 (1996) 125–132.
14. Standard methods for the examination of water and wastewater, American Public Health Association (APHA): Washington Publications, USA, 2005.
15. A. Almasi, A. Dargahi, M. Mohamadi, H. Biglari, F. Amirian, M. Raei, Removal of penicillin G by combination of sonolysis and photo catalytic (sono photo catalytic) process from aqueous solution: process optimization using RSM (response surface methodology), Electr. Physic., 8 (2016) 2878–2884.
16. Y. Wang, K. Chen, L. Mo, J. Li, J. Xu, Optimization of coagulation–flocculation process for paper making-reconstituted tobacco slice wastewater treatment using response surface methodology, Ind. Eng. Chem., 20 (2014) 391–396.
17. D.M. Mahapatra, H. Chanakya, T. Ramachandra, Treatment efficacy of algae-based sewage treatment plants. Environ. Monit. Assess., 185 (2013) 7145–7164.
18. M. Faleschini, J. Esteves, M.C. Valero, The effects of hydraulic and organic loadings on the performance of a full-scale facultative pond in a temperate climate region (Argentine Patagonia), Water Air Soil Pollut., 223 (2012) 2483–2493.
19. I. Tadesse, F. Green, J. Puhakka, Seasonal and diurnal variations of temperature, pH and dissolved oxygen in advanced integrated wastewater pond system® treating tannery effluent. Water Res., 38 (2004) 645–654.
20. P. Jamwal, A.K. Mittal, J.M. Mouchel, Efficiency evaluation of sewage treatment plants with different technologies in Delhi (India), Environ. Monit. Assess., 153 (2009) 293–299.
21. C.D. Chernicharo, Post-treatment options for the anaerobic treatment of domestic wastewater. Rev. Environ. Sci. Biol. J., 5 (2006) 73–92.
22. A.M. Abdel-Aatty, M. Karnel, Performance evaluation of a waste stabilization pond in a rural area in Egypt. Am. J. Environ. Sci., 4 (2008) 316–325.
23. N. Pradeep, S. Anupama, K. Navya, H. Shalini, M. Idris, U. Hampannavar, Biological removal of phenol from waste waters: a mini review, Appl. Water Sci., 5 (2015) 105–112.
24. B. Sen, M.T. Alp, F. Sonmez, M.A.T. Kocer, O. Canpolat, Relationship of algae to water pollution and wastewater treatment: Water treatment, In Tech Publications, 2013.
25. I. Rawat, R.R. Kumar, T. Mutanda, F. Bux, Dual role of microalgae: phycoremediation of domestic wastewater and biomass production for sustainable bio fuels production, Appl. Energy., 88 (2011) 3411–3424.
26. B. Lim, C. Seng, P. Lim, Removal and speciation of heavy metals in a stabilization pond system treating domestic wastewater, MJ Chem., 8 (2006) 57–66.
27. E. Alonso, P. Villar, A. Santos, I. Aparicio, Fractionation of heavy metals in sludge from anaerobic wastewater stabilization ponds in southern Spain. Waste Manage., 26 (2006) 1270–1276.
28. B.E. Rittmann, P.L. McCarty, Environmental biotechnology: principles and applications: Tata McGraw-Hill Education, 2012.
29. A. Dargahi, A. Almasi, M. Mahmoodi, R. Khamootian, Performance of the facultative stabilization pond in removing phenol from oil refinery effluent, J. Water Wastewater 2 (2012) 25–26.
30. B. Mansouri, M. Ebrahimpour, Heavy metals characteristics of wastewater stabilization ponds, Amer. Eurasian J. Agric. Environ. Sci., 10 (2011) 763–768.
31. E. Peruzzi, G. Masciandaro, C. Macci, S. Doni, S.G.M. Ravelo, P. Peruzzi P, Heavy metal fractionation and organic matter stabilization in sewage sludge treatment wetlands, Ecol Eng., 37 (2011) 771–778.
32. A. Almasi, A. Dargahi, M. Pirsaheb. The effect of different concentrations of phenol on anaerobic stabilization pond performance in treating petroleum refinery wastewater. J. Water Wastewater, 24 (2013) 61–68.