References

1. EUR-Lex. Council Directive 98/83/CE of 3 november 1998 concerns the quality of water intended for human consumption, from: http://eur-lex.europa.eu/legal-content/ES/TXT/?uri=celex%3A31998L0083, 1998.
2. USEPA, Clean Water Act, from: https://www.epa.gov/laws-regulations/summary-clean-water-act, 1972.
3. World Health Organization, Guidelines for Drinking Water Quality, from: http://apps.who.int/iris/bitstream/10665/44584/1/9789241548151_eng.pdf, 2011.
4. B. Bolto, J. Gregory, Organic polyelectrolytes in water treatment, Water Res., 41 (2007) 2301–2324.
5. B.A. Bolto, Soluble polymers in water purification, Prog. Polym. Sci., 20 (6) (1995) 987–1041.
6. E. Van Benchosten, Chemical aspects using aluminium salts. Hydrolytic reactions of alum and polyaluminium chloride, Water Res., 24 (1990) 1519–1526.
7. J.P. Boisvert, T. To, A. Berrak, C. Jolicoeur, Phosphate adsorption in flocculation processes of aluminium sulphate and poly-alumnium-silicate-sulphate, Water Res., 31 (1997) 1939–1946.
8. I. Najm, C. Tate, D. Selby, Optimizing enhanced coagulation with PAC. A case study, J. AWWA, 90 (1998) 88–95.
9. H.M. Christopher, P.S. Michael, G.G. Doyle, In vitro acrylamide exposure alerts growth cone morphology, Toxicol. Appl. Pharm., 131 (1995) 119–129.
10. R.C. Kaggwa, C.I. Mulalelo, P. Denny, T.O. Okurut, The impact of alum discharges on a natural tropical wetland in Uganda, Water Res., 35 (2001) 795–807.
11. M.D.R. Crapper, S.S. Krishnan, A.J. Dalton, Brain aluminium distribution in Alzheimer’s disease and experimental neurofibrillary degenaeration, Science, 180 (1973) 511–513.
12. M.D.R. Crapper, D. Boni, Aluminum in human brains disease - an overview, Neurotoxicol. Teratol., 1 (1980) 3–16.
13. E. Gauthier, I. Fortier, F. Courchesne, P. Pepin, J. Mortimer, D. Gauvreau, Forms in drinking water and risk of Alzheimer’s disease, Environ. Res., 84 Section A (2000) 234–246.
14. R.G. Miller, F.C. Kopfler, K.C. Kelty, J.A. Stober, N.S. Ulmer, The occurrence of aluminium in drinking water, J. AWWA, 76 (1984) 84–91.
15. V. Rondeau, H. Jacqmin-Gadda, D. Commenges, J.F. Dartigues, Aluminum in drinking water and cognitive decline in elderly subjects: The Paquid Cohort, Am. J. Epidemiol., 154 (2001) 288– 290.
16. K.L. Dearfield, C.O. Abernathy, S. Ottley, J.H. Brantner, P.F. Hayes, Acrylamide: its metabolism, developmental and reproductive effects, genotoxicity, and carcinogenicity, Mutat. Res., 195 (1924) 45–77.
17. J. Mallevialle. A. Bruchet, F. Fiessinger, How safe are organic polymers in water treatment, J. AWWA, 76 (1984) 431–436.
18. R.D. Letterman, R.W. Pero, Contaminants in polyelectrolites used in water treatment, J. AWWA, 82 (1990) 87–97.
19. J. Criddle, A review of the mammalian and aquatic toxicity of polyelectrolites, Report NR 2545, Foundation for Water Research, Medmenhan, 1990.
20. S. Kawuamura, Effectiveness of natural polyelectrolytes in water treatment, J. AWWA, October, (1991) 88–91.
21. S.H. Lee, S.O. Lee, K.L. Jang, T.H. Lee, Microbial flocculant from Arcuadendron SP-49, Biotechnol. Lett., 17 (1995) 95–100.
22. H. Ganjidoust, K. Tatsumi, T. Yamagishi, R.N. Gholian, Effect of synthetic and natural coagulant on ligning removal from pulp and paper waste water, Water Sci. Technol., 35 (1997) 286– 291.
23. W.F. Broekaert, B.P.A. Cammue, M.F.C. De Bolle, K. Thevissen, G.W. De Samblanx, R.W. Osborn, Antimicrobial Peptides from plants, Crit. Rev. Plant Sci., 16 (1997) 297–323.
24. S.A.A. Jahn, Proper use of African natural coagulants for rural water supplies- Research in the Sudan and a guide for new projects, Deutsche Gesellschaft für Technische Zusammenarheit (GTZ). Eschborn, 1986.
25. S.A.A. Jahn, Using Moringa seeds as coagulants in developing countries, J. AWWA, 80 (1988) 43–50.
26. C.C. Dorea, Coagulant-based emergency water treatment, Proceedings of International Workshop on Water and Sanitation in International Development and Disaster Relief, Scotland (UK), (2008) 94–101.
27. M.N. Baker, The quest for pure water: The history of water purification from the earliest records to the 20th Century, New York (USA): American Water Works Association, 1948.
28. S.A.A. Jahn, From clarifying pearls and gems to water coagulation with alum-history, surviving practices and technical assessment, Anthropos, 94 (1999) 419–430.
29. S.A.A Jahn, Drinking water from Chinese rivers: challenges of clarification, J. Water Supply Res. T., 50 (2001) 15–27.
30. A.H. Birina, H.A. Hammad, M.N.M. Desa, Z.C. Muda, Extraction of natural coagulant from peanut seeds for treatment of turbid water, Proceedings of 4th International conference on Energy and Environment, 2013. doi:10.1088/1755–1315/16/1/012065.
31. M.M. Barrado-Moreno, J. Beltran Heredia, J. Martin Gallardo, Microalgae removal with Moringa oleífera, Toxicon., 110 (2016) 68–73.
32. D. Vasudevan, K. Gopalakrishna, Coagulation using eco friendly natural coagulants, Proceedings of the 26th WEDC Conference: Sustainable Environmental Sanitation and Water Services, Calcuta (India), 2002.
33. B. Meyssami, A.B. Kasaeian, Use of coagulants in treatment of olive oil wastewater model solutions by induced air flotation, Bioresource Technol., 96 (2005) 303–307.
34. P. Sharma, P. Kumari, M.M. Srivastava, S. Srivasatava, Removal of cadmium from aqueous system by shelled Moringa oleifera Lam. seed power, Bioresource Technol., 97 (2006) 299–305.
35. M. Özacar, I.A. Sengil, Effectiveness of tannins obtained from Valonia as a coagulant aid for dewatering of sludge, Water Res., 34 (2000) 1407–1412.
36. R. Divakaran, V.N. Sivasankara Pillai, Flocculation of kaolinite suspensions in water by chitosan, Water Res., 35 (2001) 3904– 3908.
37. W.A. Bough, Coagulation with chitosan: an aid to recovery of by-products from egg breaking wastes, Poultry Sci., 54 (1975) 1904–1912.
38. W.A. Bough, Reduction of suspended solids in vegetable canning waste effluents by coagulation with chitosan, J. Food Sci., 40 (1975) 297–301.
39. B. Eikebrokk, T. Saltnes, NOM removal from drinking water by chitosan coagulation and filtration through lightweight expanded clay aggregate filters, J. Water Supply Res. T., 51 (2002) 323–332.
40. E.R. Pariser, D.P. Lombard, Chitin Sourcebook: A Guide to the Research Literature, New York, USA: Wiley, 1989.
41. S.A.A. Jahn, Effectiveness of traditional flocculants as primary coagulants and coagulants aids for the treatment of tropical raw water with more than thousand-fold fluctuation in turbidity, Water Supply, 2 (1984) 8–10.
42. D. Brandis, The forest flora of North-West and Central India, London: BHL, 1874.
43. A. Sengupta, M.P. Gupta, Studies on the seed fat composition of Moringaceae family, Fett. Wiss. Technol., 72 (1970) 6–10.
44. J. Tsaknis, S. Lalas, V. Grgis, V. Dourtoglou, V. Spoliotis, Characterization of Moringa oleifera variety mbololo seed oil of Kenya, J. Agr. Food Chem., 47 (1999) 4495–4499.
45. A.M.B. Ferrao, J.K. Ferrao, Fatty acids of the oil of Moringueiro (Moringa oleifera), Agronomics Angol., 30 (1987) 3–16.
46. R.D. Chaudhri, Herbal Drug Industry: A practical approach to industrial pharmacology, New Delhi, India: Eastern Publishers, 1996.
47. M.M. Azam, A. Waris, N.M. Nahar, Properties and potential of fatty acid methyl esters of some non-traditional seed oils for use as biodiesel in India, Biomass Bioenergy, 29 (2005) 293–302.
48. U. Rashid, F. Anwar, B.R. Moser, G. Knothe, Moringa oleifera oil: A possible source of biodiesel, Bioresource Technol., 99 (2008) 8175–8179.
49. L. Gopalakrishnan, K. Doriya, D.S. Kumar, Moringa oleifera: A review on nutritive importance and its medicinal application, Food Sci. Human Well., 5 (2016) 49–46.
50. P. Siddhuraju, K. Becker, Antioxidant properties of various solvent extracts of total phenolic constituents from three different agroclimatic origins of drumstick tree (Moringa oleifera Lam), J. Agr. Food Chem., 15 (2003) 2144–2155.
51. V.A. Rao, P.U. Devi, R. Kamath, In vivo radio protective effect of Moringa oleifera leaves, Indian J. Exp. Biol., 39 (2001) 858– 863.
52. K. Ruckmani, S. Kavimani, R. Anandan, B. Jaykar, Effect of Moringa oleifera Lam on paracetamol-induced hepatoxicity, Indian J. Pharm. Sci., 60 (1998) 33–35.
53. P.H. Chuang, C.W. Lee, J.Y. Chou, M. Murugan, B.J. Shieh, H.M. Chen, Antifungal activity of crude extracts and essential oil of Moringa oleifera Lam, Bioresource Technol., 98 (2007) 232– 236.
54. R. Jabeen, M. Shahid, A. Jamil, M. Ashraf, Microscopic evaluation of the antimicrobial activity of seed extracts of Moringa oleifera, Pak. J. Bot., 40 (2008) 1349–1358.
55. A.P.S. Oliveira, L.L. Santana Silva, T. Albuquerque Lima, E.V. Pontual, N.D. Lima Santos, L.C.B.B. Coelho, D.M.A.F. Navarro, R.B. Zingali, T.H. Napoleão, P.M.G. Paiva, Biotechnological value of Moringa oleifera seed cake as source of insecticidal lectin against Aedes aegypti, Process Biochem., 51(10) (2016) 1683–1690.
56. U. Eilert, B. Wolters, A. Nahrstedt, The antibiotic principle of seeds of Moringa oleifera and Moringa stenopetala, Planta Med., 42 (1981) 55–61.
57. A. Olsen, Low technology water purification by bentonite clay and Moringa oleifera seed flocculation as performed in Sudanese villages: effects on Schistosoma mansoni cercariae, Water Res., 21 (1987) 517–522.
58. M. Madsen, J. Schlundt, E.F. Omer, Effect of water coagulation by seeds of Moringa oleifera on bacterial concentration, Am. J. Trop. Med. Hyg., 90 (1987) 101–109.
59. M. Broin, C. Santaella, S. Cuine, K. Kokou, G. Peltier, T. Joët, Flocculent activity of a recombinant protein from Moringa oleifera Lam seeds, Appl. Microb. Biot., 60 (2002) 114–119.
60. K.A. Ghebremichael, K.R. Gunaratna, H. Henriksson, H. Brumer, G. Dalhammar, A simple purification and activity assay of the coagulant protein from Moringa oleifera seed, Water Res., 39 (2005) 2338–2344.
61. A. Caceres, S. Lopez, Pharmacologic properties of Moringa oleifera: 3: Effect of seed extracts in the treatment of experimental Pyoderma, Fitoterapia, 62 (1991) 449–450.
62. M. Suarez, M. Haenni, S. Canarelli, F. Fisch, P. Chodanowski, C. Servis, O. Michielin, R. Freitag, P. Moreillon, N. Mermod, Structure function characterization and optimization of a plant derived antibacterial peptide, Antimicrob. Agents Ch., 49 (2005) 3847–3857.
63. J.P. Sutherland, G. Folkard, W.D. Grant, Natural coagulants for appropriate water treatment: a novel approach, Waterlines, 8 (1990) 30–32.
64. J.H. Doughari, M.S. Pukuma, N. De, Antibacterial effects of Balanites aegyptiaca L. Drel. and Moringa oleifera Lam. on Salmonella typhi, Afr. J. Biotechnol., 6 (2007) 2212–2215.
65. L. Silvestro, J.N. Weiser, P.H. Axelsen, Antibacterial and antimembrane activities of cecropin A in Escherichia coli, Antimicrob. Agents Ch., 44 (2000) 602–607.
66. E. Lund, S.A.A. Jahn, Water Purification with Primitive Flocculation Methods as Done in Sudanese Villages, Proceedings of the 2nd International Conference on the Impact of Viral Diseases on the Development of African and Middle East Countries, 1980.
67. S.A. Muyibi, C.A. Okuofu, Coagulation of low turbidity surface water with Moringa oleifera seeds, Int. J. Environ. Stud., 48 (1995) 263–273.
68. A. Ndabigengesere, K.S. Narasiah, B.G. Talbot, Active agents and mechanism of coagulation of turbid waters using Moringa oleifera, Water Res., 29 (1995) 703–710.
69. T. Okuda, A.U. Baes, W. Nishijima, M. Okada, Isolation and characterization of coagulant extracted from Moringa oleifera seed by salt solution, Water Res., 35 (2001) 405–410.
70. F.P. Camacho, V.S. Sousa, R. Bergamasco, M.R. Teixeir, The use of Moringa oleifera as a natural coagulant in surface water treatment, Chem. Eng. J., 313 (2017) 26–237.
71. T. Okuda, A.U. Baes, W. Nishijima, M. Okada, Coagulation mechanism of salt solution: extracted active component in Moringa oleifera seed, Water Res., 35 (2001) 830–834.
72. B. Garcia-Fayos, J.M. Arnal, L. Monforte-Monleon, M. Sancho, Alternatives to the use of synthetic organic coagulant aids in drinking water treatment: improvements in the application of the crude extract of Moringa oleífera seed, Desal. Water Treat., 55 (2015) 3635–3645.
73. P.K. Raghuwanshi, M. Mandloi, A.J. Sharma, H.S. Malviya, S. Chaudhari, Improving filtrate quality using agrobased materials as coagulant aid, Water Qual. Res. J. Can., 37 (2002) 745–756.
74. R.S. Al-Khalili, J.P. Sutherland, G.K. Folkard, Filtration with a natural coagulant, Proceedings of 23rd WEDC Conference Water and sanitation for all: partnerships and innovations, Durban (Sudáfrica), 1997.
75. S.J.T. Pollard, F.E. Thompson, G.L. McConnachie, Microporous carbons from Moringa oleifera husks for water purification in less developed countries, Water Res., 29 (1995) 337–347.
76. D. Barnes, T.R. Mampitiyarachichi, Water filtration using rice hull ash, Waterlines, 2 (1983) 21–23.
77. A.T.A. Baptista, M.O. Silva, R.G. Gomes, R. Bergamasco, M.F. Vieira, A.M.S. Vieira, Protein fractionation of sedes of Moringa oleifera lam and its application in superficial water treatment, Sep. Purif. Technol., 180 (2017) 114–124.