curs 1 istoric probleme
TRANSCRIPT
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RETELE EDILITARE ‐ RETELE DE CANALIZARE ‐
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SISTEME DE CANALIZARE – SCURT ISTORICSCURT ISTORIC7000 – I. HR. – SIRIA – APARATITIA SISTEMELOR DE CANALIZARE
2500…2000 – I.HR. – PAKISTAN – SISTEME DE CANALIZARE ECHIPATECU CAMERE DE SEDIMENTARE
1663 – PARIS – PRIMUL SERVICIU CARE SE OCUPA DE CURATAREA COLECTOARELOR DE CANALIZARE
FORMA COLECTOARELOR DE CANALIZARE
EVUL MEDIU –
1949 – AFNOR NF P – 16 401
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APE UZATE – INDICATORI CHIMICI DE POLUARE
CARACTERISTICI CHIMICE POLUANT PRINCIPAL AL APELOR UZATE:
MATERII ORGANICE (proteine, carbohidrati, grasimi, etc.) EVALUAREA GRADULUI DE POLUARE A APELOR UZATE SE POATE
FACE IN FUNCTIE DE:CBO5 (BOD) CCO (COD) O2 (DO) GRASIMI SI ULEIURUI
ALTE SUBSTANTE POLUANTEAZOT (NITROGEN) > AMONIAC > NITRITI, NITRATIFOSFORSUBSTANTE SOLIDE IN SUSPENSIE ‐ ORGANICE
‐ ANORGANICEACID SULFUROS (H2S)
PH
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APE UZATE – INDICATORI FIZICI DE POLUARE
CARACTERISTICI FIZICETURBIDITATE SI CULOAREMIROSTEMPERATURA APEI UZATE
EFECT ASUPRA SEDIMENTARIIEFECT ASUPRA ACTIVITATII BIOLOGICE
NTPA 001 - Normativul privind stabilirea limitelor de încărcare cu poluanţi a apelor uzate industriale şi orăşeneşti la evacuarea în receptoriinaturali
NTPA 002 - Normativul privind condiţiile de evacuare a apelor uzate înreţelele de canalizare ale localităţilor şi direct în staţiile de epurare,
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CORODAREA COLECTOARELOR DE CANALIZARE SI ALTE PROBLEME
H2SO4 + CaSi ↔ CaSO4 + Si + 2H+
H2SO4 + CaCO3 ↔ CaSO4 + H2CO3
H2SO4 + Ca(OH)2 ↔ CaSO4 + 2H2O
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CORODAREA COLECTOARELOR DE CANALIZARE SI ALTE PROBLEME
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CORODAREA COLECTOARELOR DE CANALIZARE SI ALTE PROBLEME
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CORODAREA COLECTOARELOR DE CANALIZARE SI ALTE PROBLEME
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VITEZA DE AUTOCURATIRE SIEFORTUL MINIM LA FRONTIERA CURGERII
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CURATAREA COLECTOARELOR DE CANALIZARE
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CURATAREA COLECTOARELOR DE CANALIZARE
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CURATAREA COLECTOARELOR DE CANALIZARE
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CURATAREA COLECTOARELOR DE CANALIZAREEFICIENTA DIVERSELOR TEHNICI EXISTENTE