Resumen I

bull Protect public healthbull Protect Surface ndash waacuteter qualitybull Meet legal requirements

bull Specific concern Pathogenic organismsbull Pathogen = specific agent causing diseasebull Pathogenic = capable of causing disease

Adapted from Mara D Domestic Wastewater treatment

Graph 1 Microorganisms classification [1]

Adapted from Mara D Domestic Wastewater treatment

Table 1 Types of pathogens [1]

bull Organic chemicalsbull Disinfection byproductsbull Inorganic chemicalsbull Radionuclidesbull Physical and aesthetic characteristicsbull ldquoEmerging pollutantsrdquo

Chemical clasesbull Pesticides and herbicidesbull Organic solventsbull Fuel componentsbull Polynuclear aromatic hydrocarbons

Health effect of organic chemicalsbull Carcinogenicity ndash cause or suspected tocause cancer

bull Teratogenicity ndash Cause birth defectsbull Nervous system impairmentbull Liver and other organ impairmentbull Reproductive impairment

Disinfection with chlorine causes reactionbyproducts with organic matter in water

Main clases of chemicalsTTHMs ndash Total trihalomethanesHAA5 ndash Five halocetic acids

All are suspected human carcinogens

Table 2 Chemical class [1]

Table 3 Chemical class [1]

Radiocative decay releases ionizing radiation whichcan cause caacutencerbull Alpha particles ndash two protons and two neutronsbull Beta particles ndash electronsRadium ndash 226 Radium ndash 228 ndash can cause cancerUranium ndash kidney damage can cause caacutencer

Alpha radiation radium and uranium all occurnaturally

Table 4 Physical class [1]

Table 5 Physical class [1]

Figure 1 BOD and OD effects [2]

Figure 2 Traditional water drinking plant [1]

Figure 3 Traditional wastewater plant [1]

Figure 4 Traditional wastewater plant [3]

Figure 5 Traditional wastewater plant [4]

bull Desarenadores de flujo horizontalbull Desarenadores de flujo verticalbull Desarenadores de flujo inducidobull Desarenadores de voacutertice

bull Desarenadores de flujo horizontalRECORRIDO VIRTUAL DE UN DESARENADOR Flujohorizontalmp4

bull Figura 6 Desarenador horizontal [5]

bull Figura 7 Desarenadores de flujo Vertical [6]

bull Boya o vaacutelvula flotadorbull Valvula_Flotador_Tipomp4mp4

bull Figura 8 y 9 Funcionamiento de un tanquedesarenadores de flujo inducido [7]

bull Desarenadores de voacutertice Hidrociclonmp4 bull Figura 10 Hidrocicloacuten [8]

Figura 11 Barras de cribado [9] Figura 12 Cribados moacuteviles [10]

Figura 14 Tamiz rotatorio [12]Figura 13 Tamiz de tambor [11]TAMIZ TORNILLO TIPO CESTA OTAMBOR reg- ESTRUAGUAmp4

Figura 15 Tornillo sinfiacuten [13] Plantas de Tratamiento deaguas residuales domeacutesticas Salhermp4

Figura 16 Sistema de tratamiento [15]

Figura 16 Trampas de grasa [14]

Figura 17 Trampas de grasa [15] [HEA]_Trampa_de_grasas_(Avi)mp4

Figura 18 Tanque homogeneizador o ecualizador [16]Tanque ecualizadormp4

Figura 19 Tanque clarificador o sedimentadorprimario [17] Tanque Clarificadormp4

Figura 20 Filtro percolador [18] Filtro_PercoladorHD_720pmp4

Figura 21 Tanque seacuteptico [19] How a septic tank worksmp4