Biblio

G. M. Ochieng and Otieno, F. A. O., “Verification of Wegelin’s design criteria for horizontal flow roughing filters (HRFs) with alternative filter material”, Water SA, pp. p. 105-109 : 2 fig., 3 tab., 2006.

D. Schulze-Makuch, Pillai, S. D., Guan, H., Bowman, R., Couroux, E., Hielscher, F., Totten, J., Espinosa, I. Y., and Kretzschmar, T., “Surfactant-modified zeolite can protect drinking water wells from viruses and bacteria”, Eos transactions, pp. p. 193, 200-201 : 3 fig., 2002.

L. J. M., J. M., F., A. T., S., N. S., M., F. C., B., and Restrepo, M., “Uso de fibras naturales y sinteticas en filtracion lenta en Colombia : una experiencia en ambientes tropicales”. CINARA, Cali, Colombia, p. 40 p. : 10 fig., 9 photogr., 7 tab. ; CD-ROM: 650MB/74 min., 2001.

T. A. Elmitwalli, Anaerobic treatment of domestic sewage at low temperature. Wageningen, The Netherlands: Agricultural University Wageningen, 2000, p. 113 p. : fig., tab.

N. Graham and Collins, R., “Advances in slow sand and alternative biological filtration”. Wiley, Chichester, UK, p. xvii, 461 p. : fig., tab., 1996.

M. R. Collins, Cole, J. O., Westersund, C. M., and Paris, D. B., “Assessing roughing filtration design variables”, Water supply : the review journal of the International Water Supply Association, pp. p. SS 5.29 - 5.40: 9 fig., 11 tab., 1994.

M. R. Collins, Roccaro, J. V., Cole, J. O., and Westersund, C. M., Evaluation of roughing filtration design variables. Denver, CO, USA: American Water Works Association, 1994, p. xxvii, 181 p.: 83 fig., 50 tab.

J. S. Lang, Giron, J. J., Hansen, A. T., R. Trussell, R., and Hodges, W. E., “Investigating filter performance as function of the ratio of filter size to media size”, Journal American Water Works Association, pp. p. 122-130: 12 fig., 10 tab., 1993.

D. C. Moran, Moran, M. C., Cushing, R. S., and Lawler, D. F., “Particle behavior in deep-bed filtration. Part 1 : Ripening and breakthrough”, Journal American Water Works Association, pp. p. 69-81: 15 fig., 1 tab., 1993.

D. C. Moran, Moran, M. C., Cushing, R. S., and Lawler, D. F., “Particle behavior in deep-bed filtration. Part 2 : Particle detachment”, Journal American Water Works Association, pp. p. 82-93: 8 fig., 2 tab., 1993.

M. Chaudhuri and Gupta, A., “Domestic water purification for developing countries”, Aqua : journal of water supply research and technology, pp. p. 290-298: 8 fig., 5 tab., 1992.

J. Singano, “Defluoridation of drinking water by using magnesia and polyaluminium chloride”, vol. no. 48. Tampere University of Technology, Institute of Water and Environmental Engineeri, Tampere, Finland, p. 77 p.: 14 fig., 38 tab., 1991.

M. J. D. Graham and Mbwette, T. S. A., “Protected slow sand filtration : specification of non-woven synthetic fabric layers”, Water supply : the review journal of the International Water Supply Association, pp. p. 157-164: fig., tab., 1991.

M. Chaudhuri and Sattar, S. A., “Domestic water treatment for developing countries”, in Drinking water microbiology : progress and recent developments, 1990, pp. P. 168-184 : tab.

J. Ramakrishna, Sridhar, M. K. C., Adeniyi, J. D., and Brieger, W. R., “Monitoring use of monofilament nylon water filters for Guineaworm control in a rural Nigerian community”, International quarterly of community health education, pp. p. 5-18: tab., 1990.

K. J. Ives, “Testing of filter media”, Aqua : journal of water supply research and technology, pp. p. 144-151: fig., tab., 1990.

G. Logsdon, Tanner, S., Grimm, M., and James, R., “Design and performance of slow sand filters in the Pacific Northwest”. US Environmental Protection Agency (EPA), Drinking Water Research Division, Cincinnati, OH, USA, p. 24 p.: 1 fig., 6 tab., 1989.

M. Chaudhuri and Prasad, V. S., “Development of filtration/adsorption media for removal of bacteria and turbidity from water”, Water science and technology, pp. p. 67-71: tab., 1989.

S. A. Muyibi and Odumosu, O. B., “Filtration properties of local sands”, in Water, engineering and development in Africa : proceedings of the 15th WEDC Conference, Kano, Nigeria, 3-7 April 1989, 1989, pp. P. 121-124: fig., tab.

G. B. Public Hea London, “Performance of fabric protected slow sand filters treating poor quality river water”. Imperial College, Department of Civil Engineering, Public Health and Water Resea, London, UK, p. 76 p.: fig., tab., 1989.

J. W. de Lange, “Direct filtration for the water supply of Sukabumi, Indonesia”. Delft University of Technology, Department of Civil Engineering, Delft, The Netherlands, p. 28, 35 p.: fig., tab., 1988.

H. Mjengera, Excess fluoride in potable water in Tanzania and the defluoridation technology with emphasis on the use of polyaluminium chloride and magnesite, vol. no. 38. Tampere, Finland: Tampere University of Technology, Institute of Water and Environmental Engineeri, 1988, p. 83 p.: fig., tab.

C. M. J. Yeh, “A quantitative investigation into the effectiveness of jute fiber as a medium for the pre-treatment of raw water supplies”, vol. no. EV-88-30. Asian Institute of Technology, Bangkok, Thailand, p. 2 microfiche (iv, 88 p.): fig., tab., 1988.

J. J. Sullivan and Long, E. G., “Synthetic-fibre filters for preventing dracunculiasis : 100 versus 200 micrometers pore size”, Transactions of the Royal Society of Tropical Medicine and Hygiene, pp. p. 465-466: tab., 1988.

L. Wan-Li, “Slow sand filtration with an additional top layer of jute fiber material”, vol. No. EV 87-19. Asian Institute of Technology, Bangkok, Thailand, p. 2 microf. (v, 64 p.): fig., tab., 1987.