Table 5.
Nitrogen removal in laboratory- and pilot-scale DEAMOX systems.
| Influent NH4+ conc. (mg-N/L) | Influent NO3− conc. (mg-N/L) | PD eff. (%) | NRR (kg-N/m3-day) | NRE (%) | C/N ratio | Key microorganisms | Remarks | References | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 60 | - | - | - | 80 ± 4 | 2.6 | Biofilm: Ca. Jettenia spp. (17.83%), Ca. Kuenenia spp. (2.62%) and Thauera (5.27%) | Two-stage denitratation/ANAMMOX-nitrification system | Ma et al. (2017) |
| 2 | 500 | 530a | - | 0.98 | 99.9 | - | Ca. Brocadia spp. (57%), Ca. Kuenenia spp. (43%) | Abundance at family level: ANMED-2D (39%); uc_Phycisphaerales (15%); Rhodocyclaceae (10%); Fimbriimonadaceae (7%); Brocadiaceae (5%); uc_envOPS12 (4%); Methylomirabiliaceae (3%) | Xie et al. (2017) |
| 3 | 30–43 | 107-137 | - | - | >90 | 2.02b | Ca. Brocadia spp. (~68%)c; Ca. Jettenia spp. (~0.5%)c; Denitratisoma (2.3–2.7%); Thauera (4.8–5.4%). | Two-stage PdN-ANAMMOX (5 l SBR coupled with 3.2 l up-flow anaerobic sludge blanket reactor) | Du et al. (2019) |
| 4 | 50 | 50 | 96 | - | 82–93 | 2.6 | Ca. Brocadia spp. (0.33%); Ca. Kuenenia spp. (0.23%); Thauera (61.53%); | Acetate-fed laboratory-scale 6 l system | Du et al. (2017) |
| 5 | 50 | 50 | 67-87 | - | 85–90 | 3 | Ca. Kuenenia spp. (1.01%); Thauera (45.17%); Denitratisoma (0.65%); | Ethanol-fed laboratory-scale 6 l SBR | |
| 6 | 50–78 | 51–104 | - | - | 41–82 | 2–4 | Thauera (43.6%-biofilm and 57.5%-suspension); Ca. Brocadia spp. (1.6%-biofilm and 0.1%-suspension) | Sodium acetate-fed laboratory-scale system | Zhang et al. (2022) |
| 7 | 31–33 | - | 38 | 1.2 ± 0.7d | >77 | 2-3e | - | Fermentate-fed | Ladipo-Obasa et al. (2022) |
| 8 | 0 | 40 | 64.4 ± 14.5 | 0.11–0.13 | - | 4.3–6.1f | Comamonadaceae (39.2%), Hyphomicrobiaceae (14.7%), Flavobacterium (12.3%), Ignavibacteriaceae (11.1%) | Hydrogenotrophic PD MBBR | Kamei et al. (2022) |
| 9 | 29±4g | - | 80-97 | - | 22-75h | 2.2-13 | - | 360 l multi-stage system | Le et al. (2019b) |