Impacts of different operational temperatures and organic loads in anaerobic co-digestion of food waste and sewage sludge on the fate of SARS-CoV-2
作者： Mohammad Javad Bardi , Mohammad Amin Oliaee
DOI: 10.1016/J.PSEP.2020.11.035
关键词: Biogas 、 Effluent 、 Food waste 、 Anaerobic exercise 、 Anaerobic digestion 、 Thermophile 、 Food science 、 Mesophile 、 Psychrophile 、 Chemistry
摘要: Abstract The impacts of different operational temperatures, and organic load (OL) on the fate SARS-CoV-2 during anaerobic co-digestion food waste (FW) sewage sludge (SS) was evaluated. lab-scaled batch reactors (i.e. R1-R7) were performed under psychrophilic, mesophilic, thermophilic conditions OL systems 1.5, 3.5, 6 gVS/L. performance parameters showed that at higher stability failed low biogas produced. In contrast, increasing temperature induced more generation due to increment metabolic activity bacteria. Therefore, R1-R7 achieved yield 202.5, 249, 187, 260, 246, 163, 300 mL/gVS respectively. Both genes i.e. ORF1ab, N detected in effluent psychrophilic R1, R2, with a total concentration 46 × 103, 11 103 copies/L R3, no viral observed, when VFAs accumulated up 2000 mg/L caused pH drop 5.6. At mesophilic condition, significantly declined, observed an 3.5 Furthermore, synergistic effect accumulation intermediate metabolites provided sever condition for survival 50 °C, 1.5 gVS/L
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