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Idea Transcript
Paranoá Water Supply System
Options in Water Treatment For Paranoá Lake Part II Fuad Braga, Tanya Bailão, Claudia Simões, Klaus Neder
Paranoá Water Supply System
1. Uptake and Raw Water Pumping Station; 2. Raw Water Pipeline; 3. Water Treatment Plant – ETA; 4. Treated Water System (treated water pipelines, reservoirs and pumping stations).
Paranoá Water Supply System
Raw Water Pipeline Characteristics: Flow = 2,8 m3/s Extension: ~3 Km; Material: welded steel Diameter: 1,3 m.
Raw Water Pipeline
Water Treatment Plant
Q = 2,1 m3/s (1st stage) Q = 2,8 m3/s (2nd stage)
Water Treatment Plant
Flowchart WTP Torta Disposição em solo
Retorno ao processo
Efluente centrifugado Descarga de fundo Extrav
Lodo flotado Descarga de fundo
Ag de lavagem
Extrav
Vai p/ rede de esgoto QI 29 Extrav Lago Sul (sobrenad) Chuva - Vai p/ rede de drenagem da Novacap (Q = 657 L/s) Chuva
Extrav Reserv
Extrav Reserv
Extrav L Lodo Vai p/ rede de esgoto QI 29 Lago Sul
Chemicals WTP Medição de vazão Pré-cloração
Carvão – pt 1
Carvão – pt 2 Pré-oxidação - PP Ajuste pH coagulação Pac, Sulf Fe ou Sulf de Alum
Carvão Ativado em Pó
Auxiliar de Floculação
Permanganato de Potássio
Cal Virgem Inter-cloração
Coagulante
Polímero Pós-cloração Correção pH
Cloro Gás
Fluoretação
Ácido Fluossilícico
Retorno ao processo
Plans for Pilot Plant Financial supports provided by Caesb • Two technologies will be tested in parallel.
Ozone + GAC Conv. treatment
Raw Water
Rapid Mix
Flocculation
Flotation
Filtration Brazilian Membranes – Adv. treatment
Submerged Milcro Filtration
Oxidacion
Nano Filtration
PAC Germans Membranes (possibility)
Experimental Investigation steps: 1 – Operational and design parameters optimization; 2 – Use of chemicals to improve the treatment; 3 – Investigation of conventional and advanced treatment.