Table 5.
Comparison of the effectiveness of EM activity concerning selected microbiological and physicochemical parameters of water, based on a literature review
| Parameter (unit) | Before EM | After EM | % difference | References |
|---|---|---|---|---|
| CBN (CFU·mL−1) | 290 | 83.5 | − 71.21% | Sitarek et al. (2017) |
| 16771 | 8981 | − 46.45% | This study | |
| FEN (CFU·mL−1) | 462.5 | 91 | − 80.32% | Sitarek et al. (2017) |
| 1191 | 531 | − 55.46% | This study | |
| pH (-) | 8.37 | 8.67 | 3.59% | Sitarek et al. (2017) |
| 7.231 | 7.301 | 0.98% | This study | |
| EC (μS/cm) | 388 | 311.5 | − 19.72% | Dondajewska et al. (2019) |
| 2071 | 2091 | 0.97% | This study | |
| NO3–N (mg·L−1) | - | - | − 34.50% | Li et al. (2020) |
| 0.5151 | 0.4611 | − 10.43% | This study | |
| TN (mg·L−1) | 3.68 | 3.75 | 1.81% | Dondajewska et al. (2019) |
| 4.50 | 3.30 | − 26.67% | Park et al. (2016) | |
| - | - | − 21.37% | Li et al. (2020) | |
| - | - | − 57.36% | Zhao et al. (2013) | |
| 3.841 | 3.421 | − 10.94% | This study | |
| PO4–P (mg·L−1) | 0.11 | 0.055 | − 50.00% | Dondajewska et al. (2019) |
| 0.0631 | 0.0471 | − 25.40% | This study | |
| TP (mg·L−1) | 0.19 | 0.16 | − 17.24% | Dondajewska et al. (2019) |
| 0.27 | 0.17 | − 38.27% | Sitarek et al. (2017) | |
| 0.55 | 0.23 | − 58.18% | Park et al. (2016) | |
| - | - | − 13.74% | Li et al. (2020) | |
| - | - | − 86.87% | Zhao et al. (2013) | |
| 0.251 | 0.141 | − 45.08% | This study | |
| DO (mg·L−1) | 9.8 | 9.6 | − 2.04% | Dondajewska et al. (2019) |
| 7.891 | 8.291 | 5.07% | This study |
1Value for the series directly before and after EM application