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. 2023 Nov 13;9(11):e22338. doi: 10.1016/j.heliyon.2023.e22338

Table 3.

BBD matrix for PE removal by C. vulgaris.

Run No Coded variable
Removal (%)
Run No
Coded variable
Removal (%)
A B C A B C
1 0 0 0 53.8 10 0 0 0 50.8
2 1 −1 0 47.37 11 0 0 0 50.2
3 0 0 0 55 12 −1 1 0 18
4 0 −1 −1 40.2 13 0 1 −1 45.8
5 0 0 0 46.2 14 −1 −1 0 53.5
6 −1 0 −1 23.5 15 1 1 0 40.12
7 1 0 −1 38.1 16 1 0 1 60.37
8 0 −1 1 84 17 −1 0 1 57.5
9 0 1 1 55.6