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Val del Río, A., Figueroa, M., Mosquera-Corral, A., Campos, J.L., Méndez, R.. (1392). Stability of Aerobic Granular Biomass Treating the Effluent from A Seafood Industry. , 7(2), 265-276. doi: 10.22059/ijer.2013.606
A. Val del Río; M. Figueroa; A. Mosquera-Corral; J.L. Campos; R. Méndez. "Stability of Aerobic Granular Biomass Treating the Effluent from A Seafood Industry". , 7, 2, 1392, 265-276. doi: 10.22059/ijer.2013.606
Val del Río, A., Figueroa, M., Mosquera-Corral, A., Campos, J.L., Méndez, R.. (1392). 'Stability of Aerobic Granular Biomass Treating the Effluent from A Seafood Industry', , 7(2), pp. 265-276. doi: 10.22059/ijer.2013.606
Val del Río, A., Figueroa, M., Mosquera-Corral, A., Campos, J.L., Méndez, R.. Stability of Aerobic Granular Biomass Treating the Effluent from A Seafood Industry. , 1392; 7(2): 265-276. doi: 10.22059/ijer.2013.606

Stability of Aerobic Granular Biomass Treating the Effluent from A Seafood Industry

International Journal of Environmental Research
مقاله 1، دوره 7، شماره 2، تیر 2013، صفحه 265-276    اصل مقاله (425.08 K)
نوع مقاله: Original Research Paper
شناسه دیجیتال (DOI): 10.22059/ijer.2013.606
نویسندگان
A. Val del Río* ؛ M. Figueroa؛ A. Mosquera-Corral؛ J.L. Campos؛ R. Méndez
Department of Chemical Engineering, School of Engineering, University of Santiago de Compostela. E-15782. Santiago de Compostela, Spain
چکیده
The aerobic granular systems represent a good alternative to substitute the conventional activated
sludge process in the treatment of industrial effluents due to the lower surface requirements. In this work the effluent from a seafood industry, characterized by a high variability and the presence of residual amounts of coagulant and flocculant reagents, was used to study the development of aerobic granular biomass and its stability. In a first stage with OLRs between 2 and 5 kg CODS/m3.d the development of aerobic granular biomass was promoted with good physical properties: SVI of 35 mL/g TSS, density of 60 g VSS/Lgranule and average diameter of 2.8 mm. In a second stage the continuous change in the OLR applied from 3 to 13 kg CODS/ m3.d, to simulate the real conditions of the industry, showed that the removal of organic matter was not affected (90%) but the aerobic granules disintegrated. The maximum OLR treated in the system without granules disintegration was around 4.4 kg CODS/m3.d. The nitrogen removal was 30% (for biomass assimilation) and the maximum ammonia removal was around 65% and depending on the solids retention time, the free ammonia concentration and the average granule diameter.
کلیدواژه‌ها
Aerobic granule؛ Bioreactor؛ Industrial wastewater؛ Nitrogen؛ organic matter
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