Biblio

K. V. Ellis and Aydin, M. E., “A study of three slow sand filters at various flow rates with constant temperature”, Aqua : journal of water supply research and technology, pp. p. 88-96: 5 fig., 4 tab., 1993.

L. K. Gupta, “Effect of temperature variation on the performance of UASB reactor for treating municipal waste-water and recommendations for its suitability to hilly areas”, Journal of Indian Water Works Association, pp. p. 335-342: 5 fig., 3 tab., 1992.

H. D. Mariam, Municipal wastewater treatment in sequencing batch activated sludge process package plants, vol. no. 47. Tampere, Finland: Tampere University of Technology, Institute of Water and Environmental Engineeri, 1992, p. 62 p.: 35 fig., 7 tab.

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.

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.

Y. Abdurehman, Field testing of the performance of multi-stage swirl separator, vol. no. 32. Tampere, Finland: Tampere University of Technology, 1988, p. 84 p.: fig.

P. D. Sapkota, “Comparative study of aquatic macrophytes for wastewater treatment”, vol. no. EV-87-24 c.2. Asian Institute of Technology, Bangkok, Thailand, p. viii, 47, [4] p.: fig., tab., 1987.

N. L. Royal Hask Nijmegen, Wageningen, N. L. Wageningen, Cali, C. O. Universida, and Cali, C. O. Incol -, “Anaerobic treatment and re-use of domestic wastewater : pilot plant study, Cali, Colombia : final report”. Royal Haskoning, Nijmegen, The Netherlands, p. 2 vol. (ca. 300 p.): fig., tab. + 4 techn. drwgs, 1985.

B. J. Lloyd, Wheeler, D., Pardon, M., and Symonds, C. N., “Aspects of prefiltration concerned with the application of small scale slow sand filtration in rural communities”. University of Surrey, Department of Microbiology, Guildford, UK, p. 112 p.: fig., tab., photogr., 1985.

R. F. K. Munene, “Performances of selected waste stabilization ponds in Kenya”. Tampere University of Technology, Tampere, Finland, p. vii, 111 p., 1984.

EPA -Cincinnati, OH, US and EPA -Washington, DC, US, Design manual : municipal wastewater stabilization ponds. Cincinnati, OH, USA: US Environmental Protection Agency (EPA), 1983, p. xiii, 327 p.: fig., tab.

WHO. Regional Office for Europe -Copenhagen, DK, EURO, “Rural water supplies : report on a WHO meeting : Stevenage, 1-5 November 1982”, vol. 87. World Health Organization Regional Office for Europe, Copenhagen, Denmark, p. 66 p., 1983.

T. Z. University Salaam, “Slow sand filter research project : report 3”. University of Dar es Salaam, Department of Civil Engineering, Dar es Salaam, Tanzania, p. iv, 16, ((28)) p.: fig., tab., 1982.

H. A. Sabannavar, “Presedimentation tanks for high turbid raw waters”, Journal of Institution of Engineers (India). EN, pp. p. 67-74, 1981.

A. J. Rees, Rodman, D. J., and Zabel, T. F., “Water clarification by flotation - 5 : results from five 95m3/a plants operating on different raw waters”, vol. TR 114. Water Research Centre, Medmenham, UK, p. 56 p. : 30 fig., 1979.

K. M. Yao, “Extended plain sedimentation”, Journal of the Environmental Engineering Division ASCE, pp. p. 413 -423 : 6 fig., 1975.

Hazen and Sawyer -New York, NY, US, “Process design manual: suspended solids removal”. US Environmental Protection Agency (EPA), Washington, DC, USA, p. xv, 250 p. : fig., tab., 1975.