Biblio

G. M. Ochieng y 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.

J. P. Rajapakse, «Pebble matrix filtration in Papua New Guinea», Waterlines, an international journal of water, sanitation and waste, pp. p. 12-14 : 2 fig., 2003.

T. O. Okurut, A pilot study on municipal wastewater treatment using a constructed wetland in Uganda. Rotterdam, The Netherlands: A.A. Balkema, 2000, p. xii, 171 p. : fig., tab.

M. J. D. Graham y Luxton, P. J., «Preliminary evaluation of natural fabrics in slow sand filtration», Aqua : journal of water supply research and technology, 1998.

B. J. Lloyd, Woudneh, M. B., y Stevenson, D., «The behaviour of 2,4-D as it filters through slow sand filters», Aqua : journal of water supply research and technology, pp. p. 144-149 : 6 fig., 3 tab., 1997.

C. D. Swartz, van der Walt, C. J., y van der Merwe, P. J., Evaluation of direct series filtration for the treatment of South African surface waters, vol. no. 354/1/97. Pretoria, South Africa: Water Research Commission, WRC, 1997, p. xiv, 50 p. + annexes (98 p.) : fig., photogr., tab.

F. Solsona y Kariuki, A. W., Report to the Water Research Commission. Part 1 on a dynamic cross-flow sand filter for rural water treatment. Part 2 on a technical guide for a dynamic cross-flow sand filter, vol. no. 539/1/97. Pretoria, South Africa: Water Research Commission, WRC, 1997, p. vii, 77 p. : fig., photogr., tab.

M. Y. Saidam y Butler, D., «Algae removal by horizontal flow rock filters», in Advances in slow sand and alternative biological filtration, 1996, pp. P. 327-339 : 8 fig., 2 tab.

B. J. Lloyd, Clarke, B. A., Crompton, J. L., y Major, I. P., «Cleaning of upflow gravel prefilters in multistage filtration water treatment plants», in Advances in slow sand and alternative biological filtration, 1996, pp. P. 391-401 : 10 fig., 1 tab.

J. T. Visscher, J. M., L., G. C., G., y Ochoa, A. E., «Comparison of horizontal and upflow roughing filtration», in Advances in slow sand and alternative biological filtration, 1996, pp. P. 341-348 : 2 fig., 6 tab.

G. J. Alaerts, Buiteman, J. P., y Ahsan, T., «Direct horizontal-flow roughing filtration. Part I : optimisation of process parameters», Aqua : journal of water supply research and technology, pp. p. 262-271 : 8 fig., 3 tab., 1996.

B. J. Lloyd, Graham, M. J. D., Clarke, B. A., y Jones, C. J., «Effect of reduced depth, fabric-protected slow sand filters on treated water quality», in Advances in slow sand and alternative biological filtration, 1996, pp. P. 233-243 : 7 fig., 6 tab.

D. D. Mara y Oragui, J. I., Enumeration of rotaviruses in tropical wastewaters, vol. no. 10. Leeds, UK: University of Leeds, Department of Civil Engineering, 1996, p. ix, 55 p. : tab.

CREPA -Ouagadougou, BF, Centre Regional pour l'Eau Potable et l'Assainissement a Faible Cout, «La deferrisation des eaux de forage : synthese des techniques experimentees avec succes au CREPA», vol. no. 1. Centre Regional pour l'Eau Potable et l'Assainissement a Faible Cout (CREPA), Ouagadougou, Burkina Faso, p. 68 p. + annexes (31 p.) : 16 fig., 9 tab., 1996.

G. K. Folkard, Sutherland, J. P., y Al-Khalili, R., «Natural coagulants : a sustainable approach», in Sustainability of water and sanitation systems : proceedings of the 21st WEDC conference, Kampala, Uganda, 4-8 September 1995, 1996, pp. P. 63-65.

J. T. Visscher, J. M., L., y G. C., G., «Performance evaluation of dynamic roughing filtration», in Advances in slow sand and alternative biological filtration, 1996, pp. P. 349-358 : 5 fig., 3 tab.

D. D. Mara, Silva, S. A., y de Oliveira, R., Performance of waste stabilization ponds in Northeast Brazil, vol. no. 9. Leeds, UK: University of Leeds, Department of Civil Engineering, 1996, p. ix, 139 p. : fig., tab.

M. R. Collins, Eighmy, T. T., Fenstermacher, J. M., y Spanos, S. K., «Using granular media ammendments to enhance NOM removal», Journal American Water Works Association, pp. p. 48-61 : 9 fig., 7 tab., 1996.

B. J. Lloyd, Clarke, B. A., Jones, C. J., y Evans, H. L., «Water treatment by multistage filtration utilising gravel prefilters and fabric enhanced slow sand filters», in Advances in slow sand and alternative biological filtration, 1996, pp. P. 313-326 : 12 fig., 2 tab.

C. Dean y Horan, N., Applications of UASB technology in Mauritius, vol. no. 7. Leeds, UK: University of Leeds, Department of Civil Engineering, 1995, p. xi, 91 p. : fig., tab.

A. Rachwal, Bauer, M., Buchanan, B., Colbourne, J., Foster, D., Goodman, N., Kay, A., y Sanders, T., «The GAC/slow sand filter sandwich : from concept to commissioning», Water supply : the review journal of the International Water Supply Association, pp. p. 137-142: 9 fig., 1995.

J. P. Padmasiri, Fonseka, W. S. C. A., Jayalath, J. M. J. C., Kulasooriya, S. A., y Jayaweradena, B. P. A., «Horizontal roughing filter as pretreatment system for Algae Synedra», Water supply : the review journal of the International Water Supply Association, pp. p. 201-204: 2 fig., 2 tab., 1995.

G. J. Alaerts, Petrusevski, B., y van Breemen, A. N., «Optimisation of coagulation conditions for direct filtration of impounded surface water», Aqua : journal of water supply research and technology, pp. p. 93-102: 8 fig., 1995.

M. R. Collins, Cole, J. O., Westersund, C. M., y 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.

R. C. Cheng, Wang, H. - C., Beuhler, M. D., y Liang, S., «Enhanced coagulation for arsenic removal», Journal American Water Works Association, pp. p. 79-90: 8 fig., 11 tab., 1994.