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Nikolaeva, S., Sánchez, E., Borja, R.. (1392). Dairy Wastewater Treatment by Anaerobic Fixed bed Reactors from Laboratory to pilot-scale plant: A case study in Costa Rica Operating at Ambient Temperature. , 7(3), 759-766. doi: 10.22059/ijer.2013.655
S. Nikolaeva; E. Sánchez; R. Borja. "Dairy Wastewater Treatment by Anaerobic Fixed bed Reactors from Laboratory to pilot-scale plant: A case study in Costa Rica Operating at Ambient Temperature". , 7, 3, 1392, 759-766. doi: 10.22059/ijer.2013.655
Nikolaeva, S., Sánchez, E., Borja, R.. (1392). 'Dairy Wastewater Treatment by Anaerobic Fixed bed Reactors from Laboratory to pilot-scale plant: A case study in Costa Rica Operating at Ambient Temperature', , 7(3), pp. 759-766. doi: 10.22059/ijer.2013.655
Nikolaeva, S., Sánchez, E., Borja, R.. Dairy Wastewater Treatment by Anaerobic Fixed bed Reactors from Laboratory to pilot-scale plant: A case study in Costa Rica Operating at Ambient Temperature. , 1392; 7(3): 759-766. doi: 10.22059/ijer.2013.655

Dairy Wastewater Treatment by Anaerobic Fixed bed Reactors from Laboratory to pilot-scale plant: A case study in Costa Rica Operating at Ambient Temperature

International Journal of Environmental Research
مقاله 24، دوره 7، شماره 3، مهر 2013، صفحه 759-766    اصل مقاله (182.94 K)
نوع مقاله: Original Research Paper
شناسه دیجیتال (DOI): 10.22059/ijer.2013.655
نویسندگان
S. Nikolaeva1؛ E. Sánchez1؛ R. Borja* 2
1Laboratorio de Materiales Industriales (LAMI), Universidad Nacional de Costa Rica (UNA), Heredia, Costa Rica
2Instituto de la Grasa (CSIC), Avda. Padre García Tejero, 4, 41012-Sevilla, Spain
چکیده
The effect of hydraulic retention time in a range from 1.0-5.5 days was evaluated in a laboratoryscale
anaerobic fixed bed reactor packed with a hybrid material composed of tire rubber and zeolite. Under
these conditions, COD removal efficiencies varied from 28.3% to 82.1%, respectively. Over the more than 6
months of operation, no clogging was observed. The results obtained demonstrated that this type of reactor
was capable of operating with dairy waste at a hydraulic retention time 5 times lower than that used in a
conventional digester. Based on the laboratory-scale experimental results obtained, a pilot-scale plant was
designed. The pilot plant was installed in “Cot de Oreamuno” near the city of Cartago, Costa Rica.Biogas
produced in the pilot-scale anaerobic plant was used for the generation of electricity on the farm. In this case, a COD removal efficiency of 63.6 % was achieved in the full-scale anaerobic plant at a hydraulic retention time of 3 days, this value being comparable with that obtained at laboratory-scale.
کلیدواژه‌ها
dairy wastewater؛ Anaerobic؛ Fixed bed reactors؛ Costa Rica؛ Ambient temperature
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