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Found 16 results
Filters: Keyword is ammonia  [Clear All Filters]
2003
Zimmo, O., Nitrogen transformations and removal mechanisms in algal and duckweed waste stabilisation ponds. Lisse, The Netherlands: Swets and Zeitlinger, 2003, p. 131 p. : fig., tab.
2002
Kone, D., Epuration des eaux usees par lagunage a microphytes et a macrophytes en Afrique de l'Ouest et du Centre : etat des lieux, performances epuratoires et criteres de dimensionnement, vol. no. 2653. Ecole Polytechnique Federale de Lausanne (EPFLA), Lausanne, Switzerland, p. xv, 170 p. : 35 fig., 39 tab., 2002.
Naturgerechte Technologien, Bau- und Wirtschaftsberatung -Frankfurt, GE, TBW, Treatment of tannery wastewater. German Appropriate Technology Exchange (GATE) /Deutsche Gesellschaft für Technische Zusammenarbeit (GTZ), Eschborn, Germany, p. 11 p. : 3 fig., 1 photogr., 3 tabs., 2002.
2000
Hodgson, I.O.A., Treatment of domestic sewage at Akuse (Ghana) : technical note, Water SA, pp. p. 413-415 : 1 fig., 1 tab., 2000.
1998
Strauss, M., Heinss, U., and Larmie, S.A., Solids separation and pond systems for the treatment of faecal sludges in the tropics : lessons learnt and recommendations for preliminary design, vol. no. 5/98. Water and Sanitation in Developing Countries (SANDEC), Duebendorf, Switzerland, 1998.
Strauss, M. and Heinss, U., Workshop on faecal sludge treatment : Sogakope, Ghana, 3 - 5 December 1997 :. Water and Sanitation in Developing Countries (SANDEC), Duebendorf, Switzerland, p. vi, 51 p. : fig., ill., tab., 1998.
1996
Mara, D.D. and 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.
Mara, D.D., Silva, S.A., and Oliveira, R. de, 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.
Mara, D.D., Pearson, H.W., Silva, S.A., Oliveira, R. de, Oragui, J.I., and Cawley, L.R., Wastewater storage and treatment reservoirs in Northeast Brazil, vol. no. 12. Leeds, UK: University of Leeds, Department of Civil Engineering, 1996, p. viii, 34 p. : 7 fig., 21 tab.
1993
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.
1991
Buren, J.C.L. van, Posttreatment methods for effluent of UASB reactors treating domestic water. Agricultural University Wageningen, Wageningen, The Netherlands, p. 39 p. : fig., tab., 1991.
1987
Johnson Cointreau, S., Aquaculture with treated wastewater : a status report on studies conducted in Lima, Peru, vol. no. 3. World Bank, Washington, DC, USA, p. xiii, 57 p.: fig., tab., 1987.