Now showing items 1-10 of 871
Water pollution in atlantic rainforest (south america)
(Research and Reviews, 2015-09)
Water contamination proves to be one of the most concerning human effects on the environment. Industry, urbanization and agriculture often introduce various pollutants including heavy metals, bacteria, agrochemicals, and ...
Water hyacinths for removal of phenols from polluted waters.
(BAY ST. LOUIS, NASA, 1975. 16P. (N 75-16128), 2015)
Using the mineralogy of river sediments as pollution indicator of clay mining activity
(Assoc Brasileira Recursos Hidricos-abrh, 2016-07-01)
View of the difficulty to elect standards for water pollution control in clay mining activity, this study aimed to verify the possibility of using the mineralogy of river sediments as a pollution indicator of clay mining ...
An hydrochemical answer to a legislative demand involving health risk related to water quality
Effluents and surface waters around an area involved with the inking of tissues at Itatiba municipality, São Paulo State, Brazil, were chemically analyzed with the purpose of evaluating the influence on the water quality ...
Isolation of Mycobacterium gordonae from poultry slaughterhouse water in São Paulo State, Brazil
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 ...
Water table effects on bean yield and nitrate distribution in the soil profile
In order to evaluate the bean yield under different water table levels as well as the moisture and nitrate distribution in the soil profile, a field experiment was carried out in the experimental area of the College of ...
Wetland projects developed in Brazil
The first studies with constructed wetlands undertaken in Brazil were the result of observations made from the Amazon flood plains. The first attempt to use this capacity to change the quality of the water, in the sense ...