| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| nitrification and denitrification process | 0.68 | 0.5 | 1472 | 53 | 41 |
| nitrification | 1.56 | 0.3 | 7640 | 74 | 13 |
| and | 0.74 | 0.6 | 8795 | 97 | 3 |
| denitrification | 1.15 | 0.8 | 4128 | 60 | 15 |
| process | 1.5 | 0.1 | 6766 | 18 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| nitrification and denitrification process | 0.06 | 0.9 | 5862 | 98 |
