Anaerobic co-digestion of landfill leachate and acid mine drainage using up-flow anaerobic sludge blanket reactor
| Autor: | Jin Wang, Tianhu Chen, Zhengbo Yue, Shiqi Zhou, Shuchuan Peng |
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| Rok vydání: | 2020 |
| Předmět: |
Hydraulic retention time
Health Toxicology and Mutagenesis 010501 environmental sciences Waste Disposal Fluid 01 natural sciences Methane Bacteria Anaerobic chemistry.chemical_compound Bioreactors Environmental Chemistry Anaerobiosis Leachate Sulfate 0105 earth and related environmental sciences Sewage biology Chemical oxygen demand General Medicine Pulp and paper industry Acid mine drainage biology.organism_classification Pollution Methanogen Anaerobic digestion chemistry Digestion Water Pollutants Chemical |
| Zdroj: | Environmental Science and Pollution Research. 28:8498-8506 |
| ISSN: | 1614-7499 0944-1344 |
| DOI: | 10.1007/s11356-020-11207-y |
| Popis: | A laboratory-scale up-flow anaerobic sludge blanket (UASB) reactor was developed and constructed for the treatment of landfill leachate and acid mine drainage (AMD). The removal of chemical oxygen demand (COD), sulfate, and metal ions was studied. The maximum COD and sulfate removal efficiency reached 75% and 69%, respectively, during the start-up phase of the UASB. The hydraulic retention time (HRT) had a significant influence on the system. The maximum removal efficiency for COD and sulfate reached 83% and 78%, respectively, at an HRT of 20 h. The methane production process competed with the sulfate reduction process in the UASB. The fractionation of metals in the sludge was analyzed to facilitate metal recovery in a later processing stage. The most abundant sulfate-reducing bacteria was Desulfobulbus, and the methanogen archaeal community in the reactor was mainly composed of Methanobacterium. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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