Wastewater from CPQBA-UNICAMP is treated in a lagoon system. The effluent is discharged into a river, from which water is taken for irrigation purposes. With the intend of combining wetland and lagoon systems to improve ...

This works evaluates microbiological and some physico-chemical aspects in the final effluent of a sewage treatment plant of a dairy industry, suggesting its use in agricultural activities. A mean inflow of 3,02 m2/h was ...

During 6 months (from september/ 1996 to february/ 1997) we have studied the influence of the domestic sewage “in natura” in the region of the Itanhaém river. The sampling points were choosed according to the access to the ...

The main objective of this experimental works was the partial removal of organic matter and nutrients in liquid effluent originated from a dairy and agricultural cooperative. An up flow anaerobic sludge blankt reactor ...

UASB reactors treating swine wastewater were operated with influent total suspended solids concentrations (TSS) of 500, 1000, 1500 and 2000 mg.l-1, hydraulic detention time (HDT) of 30, 20, 12 and 8 hours and consequently ...

This research was carried out in order to study organic wastes from food markets as a substrate for composting . It was also studied the caracteristcs of this waste as animal food. The experiment was conducted at the ...

With the objectives to avaiable the fate of insecticide aldicarb sulfone in soil and obtain the equation parameters of dispersive-convective model for describing pesticide mobility, column of soil were confectioned with ...

The disposal of sewage sludge produced in wastewater treatment is a very serious problem to environment. Due to the presence of pathogen microrganisms in the sludge, this residue can not be used for alternative applications. ...