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논문 기본 정보

자료유형
학술저널
저자정보
Tania Pérez-Pérez (Institute of Animal Science) Arletty Funcada-Martínez (Universidad Tecnológica de La Habana “José A. Echeverría” (Cujae)) Ania Cabrera-Díaz (Universidad Tecnológica de La Habana “José A. Echeverría” (Cujae)) Luis E. Guerra-Díaz (Universidad Tecnológica de La Habana “José A. Echeverría” (Cujae)) Deny Oliva-Merencio (Universidad Tecnológica de La Habana “José A. Echeverría” (Cujae)) Zhenia Milán (Central District Wastewater Treatment Plant) Ileana Pereda-Reyes (Universidad Tecnológica de La Habana “José A. Echeverría” (Cujae))
저널정보
대한환경공학회 Environmental Engineering Research Environmental Engineering Research 제27권 제5호
발행연도
2022.10
수록면
20 - 26 (7page)

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Large pig farms generate enormous volumes of wastewater without proper treatment before discharge. High-rate anaerobic reactors as the expanded granular sludge bed (EGSB) are rarely reported for that purpose. In this study, an EGSB reactor with Cuban natural zeolite addition was evaluated for treating piggery wastewaters at lab scale. This study was conducted at different organic loading rate (OLR) ranging from 0.32 to 6.13 g<SUB>COD</SUB>/Ld with a constant hydraulic retention time (HRT) of 12 h. The evolution of several control and operational parameters as the soluble chemical oxygen demand (COD) demonstrated a proper bioreactor performance to treat piggery wastewater. The results showed that the addition of natural zeolite at 40 g<SUB>zeo</SUB>/L<SUB>reactor</SUB> in EGSB reactor results in COD efficiencies over 70%, despite of the fluctuations of fed wastewater characteristics. The kinetic study demonstrates that, the modified Stover-Kincannon model was found to be appropriate for EGSB reactor. The effluent soluble COD was predicted with high determination coefficient. The maximum removal rate constant (U<SUB>max</SUB>) and saturation value constant (K<SUB>B</SUB>) were reported for a first time for the EGSB reactor with values of 10.2 and 11.8 gCOD/Ld, respectively. Methane yield for both, batch and continues experiments, were in the range from 214.5 to 299.8 mL<SUB>CH4</SUB>/g<SUB>COD</SUB>.

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ABSTRACT
1. Introduction
2. Material and Methods
3. Results and Discussion
4. Conclusions
References

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UCI(KEPA) : I410-ECN-0101-2022-539-000057383