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Anaerobic co-digestion of landfill leachate and acid mine drainage using up-flow anaerobic sludge blanket reactor
- Source :
- Environmental Science and Pollution Research. 28:8498-8506
- Publication Year :
- 2020
- Publisher :
- Springer Science and Business Media LLC, 2020.
-
Abstract
- 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.
- Subjects :
- 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
Subjects
Details
- ISSN :
- 16147499 and 09441344
- Volume :
- 28
- Database :
- OpenAIRE
- Journal :
- Environmental Science and Pollution Research
- Accession number :
- edsair.doi.dedup.....3c666283dbbe1939c5d2a57c093bd82c