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            "id": "MGYS00001774",
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                "accession": "MGYS00001774",
                "samples-count": 1,
                "bioproject": null,
                "is-private": false,
                "last-update": "2017-05-24T16:02:52",
                "secondary-accession": "SRP022858",
                "centre-name": "School of the Environment, Nanjing University",
                "public-release-date": null,
                "study-abstract": "Denitrification of high concentration of nitrate wastewater was investigated in expanded granular sludge bed (EGSB) reactor with sodium acetate as the carbon source. The optimal parameters were achieved with C/N mole ratio of 2.0, liquid up-flow velocity (Vup) of 3.0 m/h and pH of 6.2–8.2. Complete denitrification can be achieved even with nitrate nitrogen concentration as high as 14000 mg/L. Furthermore, 454-pyrosequencing technology was used to analyze bacterial diversity. Results showed that a total of 5573 sequences were obtained which could be affiliated to 6 phylogenetic groups, including Proteobacteria, Firmicutes, Actinobacteria, Bacteroidetes, Chloroflexi and unclassified phylum. Proteobacteria (84.53%) was the dominant microbial population, followed by Firmicutes (13.24%) and Actinobacteria (0.38%). The dominate phylum was different from that in other anaerobic system.",
                "study-name": "Microbial diversity in high-nitrate wastewater bioreactor",
                "data-origination": "HARVESTED"
            },
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