Abstract：
:Notwithstanding many efforts to increase the efficiency of anaerobic digestion at low-temperature (winter) conditions, a cost-effective and efficient method is lacking. This study proposes a low-cost method of low-temperature (<35 °C) anaerobic digestion of wastewater, involving supplementation with granular activated carbon (GAC). Supplementation with GAC was found to reduce the lag time by 29.8% (from 15.1 to 10.6 days) and increase the maximum methane production rate by 23.4% (from 6.4 to 7.9 mL/day) at 25 °C. Network analysis demonstrated a strong co-occurrence of Syntrophobacteriales and hydrogenotrophic methanogens (Methanobacteriaceae; WSA2; Methanoregulaceae). GAC supplementation can drastically reduce the time required for organic matter decomposition and methane production, thereby increase the efficiency of wastewater treatment.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Park JH,Park JH,Lee SH,Jung SP,Kim SHdoi
10.1016/j.biortech.2020.123890subject
Has Abstractpub_date
2020-11-01 00:00:00pages
123890eissn
0960-8524issn
1873-2976pii
S0960-8524(20)31162-7journal_volume
315pub_type
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