Buscar
Mostrando ítems 31-40 de 36843
Evaluation of the Acid Blue 161 dye degradation through electrochemical oxidation combined with microbiological systems
(2019-01-01)
Synthetic textile dyes have considerable molecular complexity, which makes these compounds highly stable and resistant to different types of treatments. Azo dyes represent the most commonly used group of dyes in textile ...
Hydrochemical evaluation of different spring waters for bottling
(Wit Press, 2010-01-01)
This investigation was carried out within the Parana sedimentary basin in São Paulo and Mato Grosso do Sul States, Brazil, and involved the sampling of different spring water samples with the purpose of evaluating their ...
Challenges and opportunities for drinking water treatment residuals (DWTRs) in metal-rich areas: an integrated approach
(2022)
The physicochemistry and production rate of drinking water treatment residuals (DWTRs) depends on the raw water composition and the plant operational parameters. DWTRs usually contain Fe and/or Al oxyhydroxides, sand, clay, ...
Concretes and mortars recycled with water treatment sludge and construction and demolition rubble
(ELSEVIER SCI LTD, 2009)
There are about 7500 water treatment plants in Brazil. The wastes these plants generate in their decantation tanks and filters are discharged directly into the same brooks and rivers that supply water for treatment. Another ...