Highlights
The May/June issue of “Hydro” is online. The article “Evaluation of clarified effluent from the discharge of ETA filters and decanters”, on page 16, analyzes the quantitative and qualitative potential of the liquid effluent from discharge, washing decanters and filters at WTP in Guaratinguetá, SP. See on page 32, the article “Drones for monitoring invasions in right-of-way”, work that shows the application of UAV technology - Unmanned Aerial Vehicle, which produces high resolution videos and photos, ortho and georeferenced, without the need to enter in FS - Lanes of Servitude. Furthermore, on page 44, the article “Ultrafiltration membranes for drinking water production”, analyzing the real case study of WTP Lagoa do Norte, inaugurated by Caesb in 2017. Ultrafiltration membranes must be considered in water treatment plants projects for supply public. This issue also brings the update “Water storage tanks”, “Pressure reduction valves” and “Water flow meters” buyers’ guides.
