Groundwater Defluoridation with Raw Bauxite, Gypsum, Magnesite, and Their Composites

Clean - Soil, Air, Water

Volumn 40, Issue 11, 2012, Pages 1222-1228

  Thole, Bernard ^a,b   Mtalo, Felix ^c   Masamba, Wellington ^d  

^a Ngurdoto Defluoridation Research Station   (Tanzania)

^b University of Dar Es Salaam DSM ^*

^c UNIVERSITY OF DAR ES SALAAM   (Tanzania)

^d UNIVERSITY OF BOTSWANA   (Botswana)

Author keywords

Drinking water; Filtration; Fixed bed design parameters; Fluorosis; Health

Indexed keywords

BAUXITE; BREAKTHROUGH CURVE; DRINKING WATER; FILTRATION; FLUORIDE; GROUNDWATER; GYPSUM; MAGNESITE;

EID: 84869230233     PISSN: 18630650     EISSN: 18630669     Source Type: Journal    
DOI: 10.1002/clen.201100111     Document Type: Article

References (30)

1. RWSN (Rural Water Supply Network), Myths of the Rural Water Supply Sector, Perspective No 4, Rural Water Supply Network Executive Steering Committee, St. Gallen, Switzerland 2009.
2. GoM (Government of Malawi), National Environmental Policy, Malawi Government Press, Malawi 1996.
3. GoM (Government of Malawi), Environmental Support Programme Report, GoM, Department of Environment, Malawi 1998.
4. R. N. Yadav, O. P. Singh, R. Yadav, Study of the Aluminum Ammonium Sulphate as Defluoridated Agent in Drinking Water Earthenware, Appl. Sci. Res. 2010, 2 ( 3), 11- 22.
5. WHO, Removal of Excessive Fluoride, World Health Organisation, Geneva 2003.
6. WHO, Guidelines for Drinking-Water Quality: 1st Addendum to Volume 1, 3rd Ed., World Health Organisation, Geneva 2006.
7. S. G. Wang, Y. Ma, Y. J. Shi, W. X. Gong, Defluoridation Performance and Mechanisms of Nano-Scale Aluminium Oxide Hydroxide in Aqueous Solution, J. Chem. Technol. Biotechnol. 2009, 83, 1043- 1050.
8. th International Water Technology Conference, IWTC12, Alexandria, Egypt, 2008, pp. 153- 162.
9. M. Kongpun, Defluoridation and Economic Efficiency among Anionic Exchange Resin and Precipitation Accelerated by Bone Char and Activated Carbon, Fluoride Research Laboratory, Intercountry Centre for Oral Health (ICOH), Bangkok, Thailand 2001.
10. H. Mjengera, PhD Thesis, University of Dar es Salaam, Dar es Salaam 2002.
11. J. J. Singano, PhD Thesis, University of Dar es Salaam, Dar es Salaam 2000.
12. B. Thole, MSc Thesis, University of Malawi, Zomba 2005.
13. M. S. Onyango, Y. Leswifi, A. Ochieng, D. Kuchar, F. O. Otieno, H. Matsuda, Breakthrough Analysis for Water Defluoridation Using Surface-Tailored Zeolite in a Fixed Bed Column, Ind. Eng. Chem. Res. 2009, 48 ( 2), 931- 937.
14. P. Zhu, H. Wang, B. Sun, P. Deng, et al., Adsorption of Fluoride from Aqueous Solution by Magnesia-Amended Silicon Dioxide Granules, J. Chem. Technol. Biotechnol. 2009, 84 ( 10), 1449- 1455.
15. S. Vasudevan, J. Lakshmi, G. Sozhan, Studies on Mg-Al-Zn as Anode for the Removal of Fluoride from Drinking Water in an Electrocoagualtion Process, Clean - Soil Air Water 2009, 37 ( 4-5), 372- 378.
16. S. M. I. Sajidu, W. R. L. Masamba, B. Thole, J. F. Mwatseteza, Ground Water Fluoride Levels in Villages of Southern Malawi and Removal Studies Using Bauxite, Int. J. Phys. Sci. 2008, 3 ( 1), 1- 11.
17. L. Feenstra, L. Vasak, J. Griffioen, Fluoride in Groundwater: Overview and Evaluation, International Groundwater Resources Assessment Centre (IGRAC), Utrecht 2007.
18. W. Hongtao, C. Jun, C. Yuanfeng, J. Junfeng, et al., Defluoridation of Drinking Water by Mg/Al Hydrotalcite-Like Compounds and Their Calcined Products, Appl. Clay Sci. 2007, 35 ( 1-2), 59- 66.
19. J. Melisa, MSc Thesis, University of Dar es Salaam, Tanzania, Dar es Salaam 2001.
20. K. Bablia, MSc Thesis, University of Dar es Salaam, Tanzania, Dar es Salaam 1996.
21. B. Thole, Defluoridation Kinetics of 200°C Calcined Bauxite, Gypsum, and Magnesite and Breakthrough Characteristics of Their Composite Filter, J. Fluorine Chem. 2011, 132 ( 8), 529- 535.
22. E. M. Damte, MSc Thesis, Addis Ababa University, Ethiopia, Addis Ababa 2006.
23. N. Visaswanathan, S. Meenakshi, Enhanced and Selective Fluoride Sorption on Ce(III) Encapsulated Chitosan Polymeric Matrix, Appl. Polym. Sci. 2009, 112 ( 3), 1114- 1121.
24. K. Muller, CDN's Defluoridation Experiences on a Community Scale, CDN and Swiss Federal Institute of Aquatic Science and Technology, EAWAG, Dübendorf, Switzerland 2007, pp. 1- 10.
25. S. Chadambaram, A. L. Ramanathan, S. Vasudevan, Fluoride Removal Studies in Water Using Natural Materials, Water SA 2003, 29 ( 3), 339- 344.
26. D. C. K. Ko, J. F. Porter, G. McKay, Correlation-Based Approach to Optimization of Fixed-Bed Sorption Units, Ind. Eng. Chem. Res. 1999, 38 ( 12), 4868- 4877.
27. D. F. Shriver, P. W. Atkins, C. H. Langford, Inorganic Chemistry, 2nd Ed., Oxford University Press, Oxford 1994, pp. 196- 198.
28. M. M. Emamjomeh, M. Sivakumar, Fluoride Removal by a Continuous Flow Electro-Coagulation Reactor, J. Environ. Manage. 2009, 90, 1204- 1212.
29. B. V. Lenntech, Water Treatment Solutions, Delft, The Netherlands.
30. B. Thole, F. W. Mtalo, W. R. L. Masamba, Water defluoridation with 150-300 °C Calcined bauxite-gypsum-magnesite composite (B-G-Mc) filters, in Wit Transactions on Ecology and Environment - Water Resources Management VI (Eds.: C. A. Brebbia, V. Popov ), WIT Press, Southampton, UK 2009, pp. 383- 393.