Table of Contents
ISRN Microbiology
Volume 2011 (2011), Article ID 632189, 6 pages
http://dx.doi.org/10.5402/2011/632189
Research Article

Reduction of Turbidity of Water Using Locally Available Natural Coagulants

1Department of Environmental Sciences, Jahangirnagar University, Savar, Dhaka 1342, Bangladesh
2Microbiology and Chemical Division, Dhaka Water Supply and Sewerage Authority (DWASA), Asad Gate, Mohammadpur, Dhaka 1207, Bangladesh

Received 8 August 2011; Accepted 20 September 2011

Academic Editor: G. G. Olinger

Copyright © 2011 Md. Asrafuzzaman et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. K. A. Ghebremichael, Moringa seed and pumice as natural alternative materials for drinking water treatment, Ph.D. thesis, KTH Land and Water Resources Engineering, 2004.
  2. D. J. Gomes, “Waterborne illness: a real disaster in Bangladesh,” in Proceedings of the Japan-Bangladesh Joint International Conference on Microbiology Education & the Prospect of Japanese Collaboration in Education and Research, December 2005.
  3. A. R. Khan, “Increasing environmental pollution in Dhaka city and plans for control,” in Souvenir on the Occasion of the World Environment Day, pp. 84–90, Department of Environment, Ministry of Environment and Forest, Government of Bangladesh, June 2000. View at Google Scholar
  4. M. A. Hossain, Impact of ammonia contamination on surface water treatment processes and its removal from polluted river water by aquatic macrophytes and nitrifying bacteria, Ph.D. thesis, Department of Microbiology, Faculty of Biological Sciences, University of Dhaka, Bangladesh, 2009.
  5. G. L. McConnachie, G. K. Folkard, M. A. Mtawali, and J. P. Sutherland, “Field trials of appropriate hydraulic flocculation processes,” Water Research, vol. 33, no. 6, pp. 1425–1434, 1999. View at Publisher · View at Google Scholar · View at Scopus
  6. R. C. Kaggwa, C. I. Mulalelo, P. Denny, and T. O. Okurut, “The impact of alum discharges on a natural tropical wetland in Uganda,” Water Research, vol. 35, no. 3, pp. 795–807, 2001. View at Publisher · View at Google Scholar · View at Scopus
  7. S. Kawamura, “Effectiveness of natural polyelectrolytes in water treatment,” Journal of the American Water Works Association, vol. 83, no. 10, pp. 88–91, 1991. View at Google Scholar · View at Scopus
  8. K. R. Gunaratna, B. Garcia, S. Andersson, and G. Dalhammar, “Screening and evaluation of natural coagulants for water treatment,” Water Science and Technology, vol. 7, no. 5-6, pp. 19–25, 2007. View at Publisher · View at Google Scholar · View at Scopus
  9. S. A. A. Jahn, “Using Moringa seeds as coagulants in developing countries,” Journal of the American Water Works Association, vol. 80, no. 6, pp. 43–50, 1988. View at Google Scholar · View at Scopus
  10. A. Diaz, N. Rincon, A. Escorihuela, N. Fernandez, E. Chacin, and C. F. Forster, “A preliminary evaluation of turbidity removal by natural coagulants indigenous to Venezuela,” Process Biochemistry, vol. 35, no. 3-4, pp. 391–395, 1999. View at Publisher · View at Google Scholar · View at Scopus
  11. E. A. Ali, S. A. Muyibi, H. M. Salleh, M. R. M. Salleh, and M. Z. Alam, “Moringa oleifera seeds as natural coagulant for water treatment,” in Proceedings of the 13th International Water Technology Conference IWTC '09), Hurghada, Egypt, 2009.
  12. A. G. Ghebremichael, K. R. Gunaratna, H. Henriksson, H. Brumer, and G. Dalhammar, “A simple purification and activity assay of the coagulant protein from Moringa oleifera seed,” Water Research, vol. 39, no. 11, pp. 2338–2344, 2005. View at Publisher · View at Google Scholar · View at Scopus
  13. A. Ndabigengesere, K. S. Narasiah, and B. G. Talbot, “Active agents and mechanism of coagulation of turbid waters using Moringa oleifera,” Water Research, vol. 29, no. 2, pp. 703–710, 1995. View at Publisher · View at Google Scholar · View at Scopus
  14. Environmental Conservation Rules (ECR), Department of Environment. Ministry of Environment and Forest. People’s Republic of Bangladesh, 1997.
  15. WHO, Guideline for drinking-water quality (electronic resources): incorporating first addendum. Vol. 1, Recommendations, 3rd edition, 2006, http://www.who.int/water_sanitation_health/dwq/gdwq0506.pdf.
  16. S. A. Unnisa, P. Deepthi, and K. Mukkanti, “Efficiency studies with Dolichos lablab and solar disinfection for treating turbid waters,” Journal of Environmental Protection Science, vol. 4, pp. 8–12, 2010. View at Google Scholar
  17. M. A. Hossain, T. Begum, A. N. M. Fakhruddin, and S. I. Khan, “Bacteriological and physiochemical analyses of the raw3 and treated water of Saidabad water treatment plant, Dhaka,” Bangladesh Journal of Microbiology, vol. 23, no. 2, pp. 133–136, 2006. View at Google Scholar
  18. M. H. Mehdinejad, B. Bina, M. Nikaeen, and H. M. Attar, “Effectiveness of chitosan as natural coagulant aid in removal of turbidity and bacteria from turbid waters,” Journal of Food, Agriculture and Environment, vol. 7, no. 3-4, pp. 845–850, 2009. View at Google Scholar · View at Scopus
  19. M. A. A. Hassan, T. P. Li, and Z. Z. Noor, “Coagulation and flocculation treatment of wastewater in textile industry using chitosan,” Journal of Chemical and Natural Resources Engineering, vol. 4, no. 1, pp. 43–53, 2009. View at Google Scholar
  20. J. K. Aabliwano, K. A. Ghebremichael, and G. L. Amy, Application of Purified Moringa oleifera Coagulant for Surface Water Treatment. UNESCO-IHE, Watermill Working Paper Series, no. 5, Institute for Water Education, 2008.
  21. M. Suarez, J. M. Entenza, C. Doerries et al., “Expression of a plant-derived peptide harboring water-cleaning and antimicrobial activities,” Biotechnology and Bioengineering, vol. 81, no. 1, pp. 13–20, 2003. View at Publisher · View at Google Scholar · View at Scopus
  22. L. Michael, Bioremediation of turbid surface water using seed extract from Moringa oleifera Lam. (Drumstick) tree, Clearinghouse: Low-Cost Water Treatment Technologies for Developing Countries, Ottawa, Ontario, Canada, 2010.