Water defluoridation with 150-300°C calcined Bauxite-Gypsum-Magnesite (B-G-Mc) filters

WIT Transactions on Ecology and the Environment

Volumn 145, Issue , 2011, Pages 383-393

  Thole, B ^a   Mtalo, F W ^a   Masamba, W R L ^b  

^a UNIVERSITY OF DAR ES SALAAM   (Tanzania)

^b UNIVERSITY OF BOTSWANA   (Botswana)

Author keywords

Bauxite; Calcine; Composite filter; Defluoridation; Freundlich; Gypsum; Langmuir; Magnesite; Temkin

Indexed keywords

BAUXITE; COMPOSITE; FILTER; FLUORIDE; GYPSUM; MAGNESITE; WATER QUALITY;

EID: 84865568784     PISSN: 17433541     EISSN: None     Source Type: Journal    
DOI: 10.2495/WRM110331     Document Type: Article

References (24)

1. Maliyekkal, S.M., Anthony, A.R. & Pradeep, T., High combustion synthesis of nanomagnesia and its application for fluoride removal. Science of the Total Environment 408, pp. 2273-2282, 2010
2. Nath, S.K. and Dutta, R.K., Fluoride removal from water using crushed limestone, Indian Journal of Chemical Technology 17, pp 120-125, 2010.
3. WHO, Removal of Excessive Fluoride; a World Health Organisation paper: www.who.int/environmentalinformation/informationresources/htmdocs/flu oride/fluor.
4. Sajidu, S. M. I., Masamba, W. R. L., Thole, B. & Mwatseteza, J. F., Groundwater fluoride levels in villages of Southern Malawi and removal studies using bauxite. International Journal of Physical Sciences, 3 (1), pp. 001-011, 2008.
5. Msonda, K.W.M., Masamba, W.R.L. & Fabiano, E., A study of fluoride ground water occurrence in Nathenje, Lilongwe, Malawi. Physics and Chemistry of the Earth, Parts A/B/C, 32 (15-18), pp 1178-1184, 2007.
6. Carter, G.S. & Bennet, J.D., The Geology and Mineral Resources of Malawi Zomba, Government print, pp. 11-14, 1973.
7. st International Chancellor College Research Seminar pp. 13-18, 1998.
8. Masamba, W.R.L. Sajidu, S.M.I. Thole, B. & Mwatseteza, J.F., Water defluoridation using Malawi's locally sourced gypsum. Physics and Chemistry of the Earth, Parts A/B/C, 30 (11-16), pp 846-849, 2005.
9. Mjengera, H., Optimisation of bone char filter column for defluoridating drinking water at household level in Tanzania, PhD thesis, University of Dar es Salaam pp. 14-23, 2002.
10. Singano, J.J., Investigation of the mechanisms of defluoridation of drinking water by using locally available magnesite PhD thesis, University of Dar es Salaam, pp 16-27, 2000.
11. Kongpun, M., Defluoridation and Economic Efficiency among Anionic Exchange Resin and Precipitation Accelerated by Bone Char and Activated Carbon Thailand, Fluoride research laboratory-Intercountry Centre for Oral Health (ICOH), pp 15-21, 2001.
12. Thole, B., Water defluoridation with Malawi bauxite, gypsum and synthetic hydroxyapatite, bone and clay: Effects of pH, temperature, sulphate, chloride, phosphate, nitrate, carbonate, sodium, potassium and calcium ions. MSc Thesis, Zomba, University of Malawi, pp 25-46, 2005.
13. Onyango, MS, Leswifi, Y, Ochieng, A, Kuchar, D, Otieno F.O. & Matsuda, H., Breakthrough analysis for water defluoridation using surface-tailored zeolite in a fixed bed column. Industrial & Engineering Chemistry Research 48 (2), pp. 931-93, 2009.
14. Zhu, P. Wang, H. Sun, B. Deng, P. Hou, S. & Yu, Y., Adsorption of fluoride from aqueous solution by magnesia-amended silicon dioxide granules. Wiley Interscience Online. www.interscience.wiley.com. DOI 10.1002/jctb.2197.
15. Vasudevan, S. Lakshmi, J. & Sozhan, G., Studies on Mg-Al-Zn as anode for the Removal of Fluoride from Drinking Water in an Electrocoagulation Process. Clean-journal, 37(4-5), pp 372-378, 2009.
16. Feenstra, L, Vasak, L & Griffioen, J., Fluoride in groundwater: Overview and evaluation, Report nr. SP 2007-1. International groundwater resources assessment centre (igrac), Utrecht, pp. 13-19, 2007.
17. Hongtao W, Jun C, Yuanfeng C, Junfeng J, Lianwen L & Henry T., "Defluoridation of drinking water by Mg/Al hydrotalcite-like compounds and their calcined products" Applied Clay Science, 35, pp 59-66, 2007.
18. Melisa, J., Defluoridation of drinking water by adsorption of fishbone. MSc Thesis, University of Dar es Salaaam, Tanzania, pp. 11-22, 2001.
19. Bablia, K., Studies of water defluoridation using activated carbons and activated carbons loaded separately with Magnesia, Alumina and Calcium MSc Thesis, University of Dar es Salaam, Tanzania, pp. 37-50, 1996.
20. Nawlakhe W.G. and Bulusu K.R., Nalgonda technique-a process for removal of excess fluoride from water. Water quality Bull., 14, pp. 218-220, 1989.
21. Peter, K.H., Defluoridation of high fluoride waters from natural water sources by using soils rich in bauxite and kaolinite. Journal of engineering and applied sciences 4 (4), pp 240-246, 2009.
22. Gupta, A.K. Deva, D. Sharma, A. and Verma, N., Adsorptive removal of fluoride by micro-nanohierarchal web of activated carbon filters. Industrial and Engineering Chemistry Research 48, pp. 9697-9707, 2009.
23. rd Edn., 2. Butterworth-Heineman: Oxford, pp 37-62, 1997.
24. Biswa, K. Saha, S.K. and Ghosh, U.C., Adsorption of fluoride from aqueous solution by a synthetic iron (III)-aluminium (III) mixed oxide. Industrial and Engineering Chemistry Research 46, pp 5346-5356, 2007.