Diversos
2- Water treatment: a) Coagulation: to enter in treatment station, raw water receives chemical coagulant agent, making the dirt particles up to group, forming small clots. b) Flocculation: the water moves to the flocculation tanks, where is stirred. The clot, which has the ability to attract impurities in the water transformed into flakes. c) Decantation: after passing through the water decanters goes to other tanks called flocculators. Where the flakes being heavier than water, settle to the bottom and the water is collected on the surface. d) Filtration: after decanting the water passes through filters. The filters are composed of layers of coal, sand and gravel of various thicknesses, for the removal of impurities or even microorganisms larger than the microorganisms have not been eliminated in the previous steps. e) Disinfection: this stage the water is already clean, however the chlorine has the power to disinfect and is added, eliminating harmful microorganisms to health. f) Fluoridation: finishing treatment processes fluoride is added in water, to act in the prevention of dental caries. 3- Reservation:
Water is stored in reservoirs.
4- Distribution: through the distribution network to potable water is brought to the residences, industries, hospitals, etc.
College Pentagono 11Ha
Arthur tales : 02
Bruna tortura : 06
Guilherme cordeiro :18
Lucas alves :29
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