Kinetic evaluation and performance of pilot-scale fed-batch aerated lagoons treating winery wastewaters
2010
Montalvo, S. | Guerrero, L. | Rivera, E. | Borja, R. | Chica, A. | Martin, A.
Winery wastewater was treated in two pilot-scale aerated lagoons operating in fed-batch mode. A first lagoon of 27.2m³ working volume was gradually filled with wastewater with an average COD content of 8700mg/L. Given that with the flow-rate used (790L/day) this first lagoon completed its working volume after 30days of starting, part of the liquid contained in the first lagoon was transferred to another adjacent second lagoon of 10.8m³ working volume. Therefore, the experiment continued in the second lagoon for another additional 24days using an influent with a COD content of 18,700mg/L at a flow-rate of 170L/day. After the 21st day, a maximum COD removal efficiency of 91% was achieved, and this value was maintained virtually constant until the end of the experiments. A mathematical model based on three differential equations solved simultaneously allowed the kinetic parameters of the system to be obtained.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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