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Biblio

Found 9 results
Filters: Keyword is pretreatment and Author is Wegelin, M.  [Clear All Filters]
1998
L. J. M., Wegelin, M., and G. C., G., La filtracion gruesa en el tratamiento de agua de fuentes superficiales, vol. no. 4/98. SKAT (Swiss Centre for Development Cooperation in Technology and Management), St. Gallen, Switzerland, p. vi, 170 p. : fig., photogr., tab., 1998.
1996
M. Wegelin, Surface water treatment by roughing filters : a design, construction and operation manual, vol. no. 2/96. St. Gallen, Switzerland: SKAT (Swiss Centre for Development Cooperation in Technology and Management), 1996, p. 163 p. : fig., tab.
1993
M. Wegelin and Schertenleib, R., Roughing filters for water treatment, IRCWD news, pp. p. 1-8: 7 fig., 1993.
M. Wegelin and Dorcoo, K., Water treatment in northern Ghana, in Water, sanitation, environment and development : proceedings of the 19th WEDC conference, Accra, Ghana, 6-10 September 1993, 1993, pp. P. 111-114 : 2 fig., 1 tab.
1991
M. Wegelin, Schertenleib, R., and Boller, M., The decade of roughing filters : development of a rural water-treatment process for developing countries, Aqua : journal of water supply research and technology, pp. p. 304-316: 17 fig., 2 tab., 1991.
1989
T. S. A. Mbwette and Wegelin, M., Design, operation and maintenance considerations of horizontal flow roughing filters, Waterlines, an international journal of water, sanitation and waste, pp. p. 27-29: fig., photogr., tab., 1989.
M. Pardon, Wegelin, M., and G. C., G., Prefilters, handpumps and small tanks : key issues for viable rural water supplies?, Water supply : the review journal of the International Water Supply Association, pp. p. SS18.1-SS18.8: fig., tab., 1989.
1988
M. Wegelin, Roughing gravel filters for suspended solids removal, in Slow sand filtration : recent developments in water treatment technology, 1988, pp. P. 103-122: fig., tab.
1986
M. Wegelin, Horizontal-flow roughing filtration (HRF) : a design, construction and operation manual, vol. no. 06/86. International Reference Centre for Waste Disposal, Duebendorf, Switzerland, p. 142 p. in various pagings: fig., tab., 1986.
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