Zobrazeno 1 - 10
of 51
pro vyhledávání: '"D. D. Mara"'
Publikováno v:
Urban Water Journal. 4:261-267
Faisalabad is one of the few cities in Pakistan that has a waste stabilization pond (WSP) system. Local farmers complained about the high salinity and low nutrient value of the final effluent from the WSP and preferred the use of untreated wastewater
Autor:
D D Mara
Publikováno v:
Building Services Engineering Research and Technology. 27:75-83
Inadequate water supplies and inadequate sanitation are responsible for a large proportion of disease transmission in rural and periurban areas in developing countries. Engineering interventions for water supply and sanitation improvements in rural a
Autor:
K. L. Abis, D. D. Mara
Publikováno v:
Water and Environment Journal. 18:107-111
Three pilot-scale primary-facultative waste stabilisation ponds were constructed at Esholt sewage-treatment works, Bradford. Each pond received screened sewage at different BOD loading rates over a two-year period. Concentrations of BOD, SS, amm. N a
Anaerobic Waste Stabilization Ponds: A Low-Cost Contribution to a Sustainable Wastewater Reuse Cycle
Autor:
G. E. Alexiou, D. D. Mara
Publikováno v:
Applied Biochemistry and Biotechnology. 109:241-252
Waste stabilization ponds (WSP) have been used extensively all over Europe over the last 50 yr for the treatment of municipal and industrial wastewaters. Models presented in manuals should be used only for guidance, and local experience from pilot an
Autor:
DSc and D. D. Mara PhD, Nigel Horan
Publikováno v:
Water and Environment Journal. 16:249-252
The microbiological requirements for enhanced treated sludge in the Safe Sludge Matrix are reviewed and compared with those for foods, which are much less stringent. Quantitative microbial risk analysis shows that the risks to human health from disea
Autor:
D. D. Mara, Richard G A Feachem
Publikováno v:
Journal of Environmental Engineering. 125:334-339
A unitary environmental classification of water- and excreta-related communicable diseases is presented, which comprises seven categories: Feco-oral waterborne and water-washed diseases; non-feco-oral water-washed (skin and eye) diseases; geohelminth
Autor:
D. D. Mara, D. Clapham
Publikováno v:
Journal of Environmental Engineering. 123:416-422
Water-related cancers may be classified in four groups, which correspond closely and naturally with those used by Bradley for the classification of water-related communicable disease: (1) waterborn...
Publikováno v:
Zoonoses and public health. 61(4)
SummaryThis paper presents the results of five experiments in which animal health risksassociated with the consumption of crops irrigated with domestic wastewaterwere evaluated. Forage maize and Tanner grass were irrigated with treated waste-water a
Publikováno v:
Epidemiology and Infection. 115:527-534
SummaryGastro-intestinal diseases continue to be a major health problem in primary schools in the UK. This study, which took place in 20 primary schools in the Leeds area, investigated the presence of faecal indicator bacteria on children's hands and
Publikováno v:
Water Science and Technology. 31:417-424
A pilot-scale irrigation scheme was set up in South-West Portugal to investigate the causes of emitter clogging which has been observed when waste stabilisation pond effluents are used for drip irrigation of crops. During field trials over a period o