Buscar
Mostrando ítems 1-10 de 1106
Removal of faecal coliform in high pH ponds using rapid growth alga biomass
(1991)
A simple device for an efficient waste water treatment is described. The procedure uses a massive microalga culture as a source of OH-, which increases the pH of the medium killing the bacterial population. In the device ...
Composition and quantification of the anthropogenic and natural fractions of wastes collected from the stormwater drainage system for discussions about the waste management and people behavior
(2013-08-01)
A study was made of the composition of wastes collected from the pipes of the stormwater drainage system of Sorocaba, SP, Brazil (600 thousand inhabitants). A total of 10 samples weighing at least 100 kg each were sorted ...
Chlorine disinfection of dye wastewater: Implications for a commercial azo dye mixture
(2013-01-01)
Azo dyes, the most widely used family of synthetic dyes, are often employed as colorants in areas such as textiles, plastics, foods/drugs/cosmetics, and electronics. Following their use in industrial applications, azo dyes ...
Waste of leaf-cutting ants: disposal, nest structure, and abiotic soil factors around internal waste chambers
(2017-06-01)
Leaf-cutting ants produce large quantities of waste that harbor bacteria and fungi that are harmful to the colony. To be protected from these pathogens, the workers of Atta species present a sophisticated organization to ...
Water closets and water wastes in apartment buildin Water closets and water wastes in apartment buildings gsAs bacias sanitárias e as perdas de água nos edifícios
(ANTAC - Associação Nacional de Tecnologia do Ambiente Construído, 2008)
Isolation of Mycobacterium gordonae from poultry slaughterhouse water in São Paulo State, Brazil
(2005-09-13)
Water samples (24 untreated water, 12 treated water and 24 served water) used in different stages of the slaughter process were examined to identify a possible source of pathogenic mycobacteria. The isolates were identified ...
Waste water as irrigation alternative in two bean cultivarsÁgua residuária como alternativa de irrigação em duas cultivares de feijão
(2020-01-01)
The objective was to study the effect of water deficit in two bean cultivars (Phaseolus vulgaris L.), in the vegetative and reproductive phases, associated with the use of reuse water, using a 2x2x3 factorial scheme. Three ...
Quality of surface water and generation of sludge at water treatment plantsQualidade de água superficial e geração de lodos em estações de tratamento de água
(2020-01-01)
Among the waste produced daily by communities are those resulting from the treatment of water for public supply, with local specificities that reflect the characteristics and uses of the land. Despite the continuous ...