Artikel ; Online: Enhanced hydrolysis and methane yield of temperature-phased dewatered sludge anaerobic digestion by microbial electrolysis cell.
2024 Band 400, Seite(n) 130682
Abstract: Temperature-phased anaerobic digestion (TPAD) and microbial electrolysis cell (MEC) are both able to improve hydrolysis and methane yield during anaerobic digestion (AD) of dewatered sludge. However, the effect of TPAD and MEC integration at different ... ...
Abstract | Temperature-phased anaerobic digestion (TPAD) and microbial electrolysis cell (MEC) are both able to improve hydrolysis and methane yield during anaerobic digestion (AD) of dewatered sludge. However, the effect of TPAD and MEC integration at different temperatures and different phases is unclear. This study investigated the effect of the integration of intermittent energization MEC in different phases of TPAD on the digestion of dewatered sludge. Thermophilic and MEC hydrolysis could release higher total ammonia nitrogen of 186.0% and 10.3% than control, mesophilic methanogenesis phase integrated with MEC relieved the ammonia inhibition and accelerated the acid utilization leading to the relief of acid accumulation. The ultimate methane yield of the TPAD integrated with MEC was increased by 118.9%, in which the relative abundance of Methanothermobacteria and Methanosarcina was increased. Therefore, intermittent energization MEC integrated TPAD synchronously improved the hydrolysis and methane yield. |
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Mesh-Begriff(e) | Methane/metabolism ; Hydrolysis ; Sewage/microbiology ; Anaerobiosis ; Electrolysis ; Temperature ; Ammonia/metabolism ; Water/chemistry ; Bioreactors |
Chemische Substanzen | Methane (OP0UW79H66) ; Sewage ; Ammonia (7664-41-7) ; Water (059QF0KO0R) |
Sprache | Englisch |
Erscheinungsdatum | 2024-04-08 |
Erscheinungsland | England |
Dokumenttyp | Journal Article ; Research Support, Non-U.S. Gov't |
ZDB-ID | 1065195-0 |
ISSN | 1873-2976 ; 0960-8524 |
ISSN (online) | 1873-2976 |
ISSN | 0960-8524 |
DOI | 10.1016/j.biortech.2024.130682 |
Datenquelle | MEDical Literature Analysis and Retrieval System OnLINE |
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