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- Title
Effect of molasses on the treatment efficiency of fish recycling aquaculture wastewater and microbial community analysis.
- Authors
Na Tong; Jianqi Yuan; Hao Xu; Shaobin Huang; Yongqing Zhang; Rui Shu; Guangwen Tan; Jinghua Wu
- Abstract
The study aimed to investigate the effects of molasses on denitrification in an actual aquaculture wastewater through a set of experiments with the addition of an external C source. The difference in pollutant degradation in the aquaculture water was observed through the aerobic denitrification process in the biological aerated filter. Molasses can cause changes in the water environment and increase the bacterial metabolism when added to the reactor as a cosubstrate. High inorganic N bioremoval levels were also due to the different bacterial communities. At the phylum level, the dominant bacteria were Proteobacteria, Firmicutes and Bacteroidetes. At the genus level, molasses addition also stimulated a significant increase in the aerobic denitrifying bacteria, such as Pseudomonas, Comamonas and Zoogloea.
- Subjects
FISH farming; MICROBIAL communities; TREATMENT effectiveness; DENITRIFYING bacteria; SEWAGE; FISH communities
- Publication
Desalination & Water Treatment, 2019, Vol 162, p117
- ISSN
1944-3994
- Publication type
Article
- DOI
10.5004/dwt.2019.24289