Cleaning water with electrochemical methods [Romanian]
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Îndepărtarea fenolului din apele reziduale prin metode
electrochimice
Boar Sebastian
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Utilizarea fenolului
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Efectele asupra sănătăţii
Diaree
Dureri de gură
Dificultate de coordinare
Fenolul părăseşte corpul umanîn 24 de ore
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Metode de îndepărtare
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În chimia mediului, chemical oxygen demand-ul (COD), este adeseori folosit pentru măsurarea cantităţii compuşilor organici în apă şi este calculată în mg/L, ce indică masa de oxigen consumată într-un litru de soluţie
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Metoda Electro-FentonThe treatment of phenol wastewater byElectro-Fenton method
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Fig. 1. Relaţia timpului cu îndepărtarea fenolului (densitatea curentă 15 mA/cm2, Na2SO4 3 g/L)
Fig. 2 Influenţa pH-ului iniţial pe îndepărtarea fenolului (densitatea curentă 15 mA/cm2, Na2SO4, 3 g/L)
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Fig. 3. Relaţia densităţii de curent pe îndepărtarea fenolului (Na2SO4, 3 g/L, timpul tratamentului de 40 min, pH iniţiativ 3)
Fig. 4. Influenţa cantităţii de Na2SO4 pe îndepărtarea fenolului (timpul tratamentului 40 de min, pH iniţial 3, densitatea curentului 10 mA/cm2)
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Concluzii
Îndepărtarea poate fi realizată în procent de 75-98% după 40-60 min
Metodele electrochimice pot deveni alternative ieftine şi simple a epurării biologice
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Vă mulţumesc pentru atenţia acordată!