poster - International Conference of Agricultural Engineering
poster - International Conference of Agricultural Engineering
poster - International Conference of Agricultural Engineering
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<strong>of</strong> 0, 6 g, 0.8 g and 1.0 g respectively. The apparent color removal was 99.1% for the<br />
coagulant solution and 71.9%, 86.7% and 97.8% respectively for pouches containing 0.6 g,<br />
0.8 g and 1.0 g <strong>of</strong> powdered seeds.<br />
Regarding the protein content, the coagulant solution and the pouches <strong>of</strong> 0.6 g, 0.8 g<br />
and 1.0 g presented respectively: 47.07 mg L -1 , 29.53 mg L -1 35.17 mg L -1 and 47.47 mg L -1 ,<br />
which shows that the turbidity and apparent color reduction is proportional to protein<br />
concentration.<br />
4. CONCLUSION<br />
The use <strong>of</strong> coagulant extracted from Moringa oleifera, as powdered seeds enclosed<br />
in pouches, was satisfactory. Although there was no significant difference between the<br />
coagulant solution and the 1.0 g and 0.8 g pouches, the indexes <strong>of</strong> turbidity and apparent<br />
color removal showed that the behavior <strong>of</strong> the 1.0 g pouch is closer to the coagulant solution<br />
than the 0.8 g pouch. The coagulant solution and the 1.0 g pouch presented 97% turbidity<br />
and apparent removal and the 0.8 g pouch presented efficiency below 87%.<br />
4. ACKNOWLEDGEMENTS<br />
The authors thank FAPESP (Processes: 10/16223-0, 10/09395-0 e 08/53066-0) for<br />
financial support for the research.<br />
5. REFERENCES<br />
American Public Health Association (APHA). (2005). Standard Methods for the Examination<br />
<strong>of</strong> Water and Wastewater. (21rd ed.). Washington: American Public Health<br />
Association/American Water Works Association/Water Environment Federation.<br />
Arantes, C.C. Utilização de coagulantes naturais à base de sementes de Moringa oleifera e<br />
tanino como auxiliares da filtração em mantas não tecidas. (2010). Dissertação (Mestrado) –<br />
Faculdade de Engenharia Civil, Universidade Estadual de Campinas, Campinas, 2010.<br />
Lowry, O. H., Rosebrough, N. J., Farr, A. L. & Randall, R. J. (1951) .Protein measurement<br />
with the folin phenol reagent. Journal Biological Chemistry, 193, 265-275.<br />
Madrona, G.S. Estudo da extração/purificação do composto ativo da semente da Moringa<br />
oleifera Lam e sua utilização no tratamento de água de abastecimento. Maringá (2010).<br />
Tese (Doutorado) – Universidade Estadual de Maringá, Maringá, 2010.<br />
Mendes, C. G. N. Estudo da Coagulação e Floculação de Águas Sintéticas e Naturais com<br />
Turbidez e Cor Variáveis. (1989) Tese (Doutorado) - Escola de Engenharia de São Carlos.<br />
Universidade de São Paulo, São Carlos, 1989.<br />
Ndabigengesere, A., Narasiah, K.S. & Talbot, B.G. (1995). Active agents and mechanism <strong>of</strong><br />
coagulation <strong>of</strong> turbid waters using Moringa oleifera. Water Research, 29 (2), 703-710.<br />
Okuda, T., Baes, A. U., Nishijima, W. & Okada, M. Improvement <strong>of</strong> extraction method <strong>of</strong><br />
coagulation active components from Moringa oleifera seed. Water Research, 33 (15), 3373-<br />
3378.<br />
Paterniani, J. E. S., Ribeiro, T. A. P., Mantovani, M. C. & Sant’anna, M. R. (2010). Water<br />
treatment by sedimentation and slow fabric filtration using Moringa oleifera seeds. African<br />
Journal <strong>of</strong> <strong>Agricultural</strong> Research, 5 (11), 1256-1263.<br />
Pritchard, M., Craven, T., Mkandawire, T., Edmondson, A. S. & O’neill, J. G. (2010). A<br />
comparison between Moringa oleifera and chemical coagulants in the purification <strong>of</strong> drinking<br />
water – An alternative sustainable solution for developing countries. Physics and Chemistry<br />
<strong>of</strong> the Earth, 35, 798-805, 2010<br />
Ramos, R. O. Clarificação de água com turbidez baixa e cor moderada utilizando sementes<br />
de Moringa oleifera. (2005). Tese (Doutorado) – Faculdade de Engenharia Agrícola,<br />
Universidade Estadual de Campinas, Campinas, 2005.