Skip to main content
Found 22 results
Filters: Keyword is upflow roughing filtration  [Clear All Filters]
2003
Florez, J.C. and Ortiz, J.H., Efecto del lavado hidráulico en clarificadores del filtración gruesa ascendente en capas. Universidad del Valle, Facultad de Ingenieria, Cali, Colombia, p. 99 p. : tab., graphics, photos , 2003.
1999
Galvis C., G., Latorre M., J., and Visscher, J.T., Filtracion en multiples etapas : tecnologia innovativa para el tratamiento de agua, vol. no. 34-S. Cali, Colombia: CINARA, 1999, p. 197 p. : 68 fig., 60 tab.
1998
Visscher, J.T., Latorre M., J., and Galvis C., G., Multi-stage filtration : an innovative water treatment technology, vol. no. 34-E. The Hague, The Netherlands: IRC, 1998, p. xiii, 165 p. : 68 fig., 60 tab.
1996
Lloyd, B.J., Clarke, B.A., Crompton, J.L., and 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.
Visscher, J.T., Latorre M., J., Galvis C., G., and 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.
Wegelin, M., Zimmerman, T., and Burgthaler, B., Rehabilitation of slow sand filters and new treatment plant designs in rural Cameroon, in Advances in slow sand and alternative biological filtration, 1996, pp. P. 359-369 : 7 fig., 5 tab.
Lloyd, B.J., Clarke, B.A., Jones, C.J., and 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.
1994
Lloyd, B.J., Visscher, J.T., and Galvis C., G., Overcoming water quality limitations with the multi-barrier concept : a case study from Colombia, in Slow sand filtration : an international compilation of recent scientific and operational developments, 1994, pp. P. 47-60: fig., 3 tab.
Quiroga R., E., A successful water rehabilitation project arising from diagnostic surveillance. University of Surrey, Department of Civil Engineering, Guildford, UK, p. viii, 75 p.: 18 fig., 7 tab., 1994.
Galvis C., G., Tecnologia innovativa para reduccion de contaminantes biologicos y precursores de trihalometanos, Gaceta ambiental, pp. p. 5-13: 8 fig., 3 tab., 1994.
1993
Visscher, J.T., Galvis C., G., and Fernandez, J., Comparative study of different pre-treatment alternatives, Aqua : journal of water supply research and technology, pp. p. 337-346: 7 fig., 5 tab., 1993.
Smet, J.E.M., Consultancy on small scale water treatment systems in UNICEF's Integrated Area-based Programme in Uukwaludhi, Namibia : final report. IRC, The Hague, The Netherlands, p. 47 p. + 62 p. annexes : 2 tab., 20 fig., 1993.
Galvis C., G., Innovative technology for reduction in biological contaminants and trihalomethane precursors, in Safety of water disinfection : balancing chemical and microbial risks, 1993, pp. P. 415-428: 10 fig., 3 tab.
Rietveld, L. and Matsinhe, N., Pilot plant studies on slow-sand-filtration and up-flow-roughing-filtration in Mozambique, vol. no. 44. Delft, The Netherlands: Delft University of Technology, Department of Civil Engineering, 1993, p. v, 46 p. : fig., tab.
Visscher, J.T., Beron, F., Galvis C., G., and Fernandez, J., Pre-treatment alternatives for drinking water supply systems : selection, design, operation and maintenance, vol. no. 22. IRC, The Hague, The Netherlands, p. viii, 101 p.: 40 fig., 19 tab., 1993.
1990
Krol, R.J., Investigations of the NWS&DB Bandarawela water supply schemes Wellawaya, Welimada, Thanamalwila. Delft University of Technology, Delft, The Netherlands, p. 74 p.: fig., 1990.
1988
Universidad del Valle -Cali, CO. Area de Abastecimiento y Remocion de Agua and Comite Departamental de Cafeteros del Valle - Cali, CO. Unidad de Ingenieria, Agua potable para communidades en zonas cafeteras del Valle del Cauca. Cali, Colombia, p. 18 p.: fig., tab., 1988.
Wegelin, M., Roughing gravel filters for suspended solids removal, in Slow sand filtration : recent developments in water treatment technology, 1988, pp. P. 103-122: fig., tab.
Di Bernardo, L., Upflow coarse-grained prefilter for slow sand filtration, in Slow sand filtration : recent developments in water treatment technology, 1988, pp. P. 123-140: fig., tab.