1. M.S. Dalia, C. Ewa, T. Hlanganani, Column adsorption studies for the removal of U by phosphonated cross-linked polyethylenimine: modelling and optimization. Appl. Water Sci., 5 (2015) 57–63.
  2. L. Pappalardo, F. Jumean, N. Abdo, Removal of cadmium, copper, lead and nickel from aqueous solution by white, yellow and red United Arab Emirates sand, Am. J. Environ. Sci., 6 (2010) 41–44.
  3. P. Vrhovnik, J.P. Arrebola, T. Serafimovski, T. Dolenec, N.R. Smuc, M. Dolenec, E. Mutch, Potentially toxic contamination of sediments, water and two animal species in Lake Kalimanci, FYR Macedonia: relevance to human health, Environ. Pollut., 180 (2013) 92–100.
  4. R. Dhakate, V.S. Singh, G.K. Hodlur, Impact assessment of chromite mining on groundwater through simulation modeling study in Sukinda chromite mining area, Orissa, India, J. Hazard. Mater., 160 (2008) 535–547.
  5. D. Sobolev, M.F. Begonia, Effects of heavy metal contamination upon soil microbes: lead-induced changes in general and denitrifying microbial communities as evidenced by molecular markers, Int. J. Environ. Res. Public Health, 5 (2008) 450–456.
  6. T. Li, L. Li, H. Song, L. Meng, S. Zhang, G. Huang, Evaluation of groundwater pollution in a mining area using analytical solution: a case study of the Yimin open-pit mine in China, Springer Plus, 5 (2016) 392–404.
  7. N. Mancos, R.L. Snyder, G. Kyriakakis, D. Spano, Water scarcity and future challenges for food production, Water, 7 (2015) 975–992.
  8. R.I. EL-Nwsany, I. Maarouf, W. Abd el-Aal, Water management as a vital factor for a sustainable school, Alexandria Eng. J., 58 (2019) 303–313.
  9. Z.Z. Chowdhury, S.M. Zain, A.K. Rashid, R.F. Rafique, K. Khalid, Breakthrough curve analysis for column dynamics sorption of Mn(II) ions from wastewater by using Mangostana garcinia peel-based granular-activated carbon, J. Chem., 2013 (2013) 1–8.
  10. E. Guchi, Review on slow sand filtration in removing microbial contamination and particles from drinking water, Am. J. Food. Nutr., 3 (2015) 47–55.
  11. T.L. Zearley, R.S. Summers, Removal of trace organic micropollutants by drinking water biological filters, Environ. Sci. Technol., 46 (2012) 9412–9419.
  12. F. Bichai, Y. Dullemont, W. Hijnen, B. Barbeau, Predation and transport of persistent pathogens in GAC and slow sand filters: a threat to drinking water safety?, Water Res., 64 (2014) 296–308.
  13. E. Lee, L.R. Oki, Slow sand filters effectively reduce Phytophthora after a pathogen switch from Fusarium and a simulated pump failure, Water Res., 47 (2013) 5121–5129.
  14. E.T. Nyberg, S.A. White, S.N. Jeffers, W.C. Bridges, Removal of plant pathogen propagules from irrigation runoff using slow filtration systems: quantifying physical and biological components, Water Air Soil Pollut., 225 (2014) 1–11.
  15. Y.I. Kader, F.E. Aboussabiq, S. Etahiri, D. Malamis, O. Assobhei, Slow sand filtration of effluent from an anaerobic denitrifying reactor for tertiary treatment: a comparable study, using three Moroccan sands, Carpath J. Earth Environ Sci., 8 (2013) 207–218.
  16. M.E. Casas, K. Bester, Can those organic micro-pollutants that are recalcitrant in activated sludge treatment be removed from wastewater by biofilm reactors (slow sand filters)?, Sci. Total Environ., 506 (2015) 315–322.
  17. A.E.H. Ali Farrag, Th. Abdel Moghny, M.G.M. Atef, S.S. Saleem, F. Mahmoud, Abu Zenima synthetic zeolite for removing iron and manganese from Assiut governorate groundwater, Egypt, Appl. Water Sci., 7 (2017) 3087–3094.
  18. Y. Barkouch, A. Sedki, A. Pineau, A new approach for understanding lead transfer in agricultural soil, Water Air Soil Pollut., 186 (2007) 3–13.
  19. S.S. Tony, K.K. Pant, Experimental and modelling studies on fixed bed adsorption of As(III) ions from aqueous solution, Sep. Purif. Technol., 48 (2006) 288–296.
  20. S. Sugashini, K.M. Meera, S. Begum, Competitive adsorption of heavy metal ions using ozone treated rice husk carbon (OTRHC) in continuous operation, Int. J. Chem. Technol. Res., 7 (2015) 2875–2885.
  21. M. Chafi, S. Akazdam, C. Asrir, L. Sebbahi, B. Gourich, N. Barka and M. Essahli, Continuous fixed bed reactor application for decolourization of textile effluent by adsorption on NaOH treated eggshell, Int. J. Mater. Text. Eng., 9 (2015) 1242–1248.
  22. A.T. de Matos, M.P.F. Fontes, L.M. da Costa, M.A. Martinez, Mobility of heavy metals as related to soil chemical and mineralogical characteristics of Brazilian soils, Environ. Pollut., 111 (2001) 429–435.
  23. Y. Barkouch, C. Zahar, A. Ait Melloul, M.E. El Khadiri, A. Pineau, New approach to understand the removal efficiency of some anions in well water by slow sand filtration, Annu. Res. Rev. Biol., 23 (2018) 1–8.
  24. K. H. Coats, B.D. Smith, Dead-end pore volume and dispersion in porous media, Soc. Petrol. Eng. J., 4 (1964) 73–84.
  25. A. Ahmad, B.H. Hameed, Fixed-bed adsorption of reactive azo dye onto granular activated carbon prepared from waste, J. Hazard. Mater., 175 (2010) 298–303.
  26. I.A.W. Tan, A.L. Ahmad, B.H. Hameed, Adsorption of basic dye using activated carbon prepared from oil palm shell: batch and fixed bed studies, Desalination, 225 (2008) 13–28.
  27. P. Sivakumar, P.N. Palanisamy, Packed bed column studies for the removal of acid blue 92 abd basic red 29 using nonconventional absorbent, Indian J. Chem. Technol., 16 (2009) 301–307.