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Elemental conversion during the AD process in Khat waste and cow dung.
| Elemental composition (%) | KW sludge (%) | KW Reduction (%) | Cow dung (CD) (%) | CD sludge (%) | CD Reduction (%) |
|---|---|---|---|---|---|
| C | 22.07 ± 1.46 | 42.00 | 45.24 ± 0.85 | 31.07 ± 1.34 | 31.32 |
| H | 1.98 ± 0.34 | 57.62 | 5.26 ± 0.25 | 2.50 ± 0.19 | 52.58 |
| N | 2.54 ± 0.72 | −39.96 | 2.04 ± 0.08 | 2.74 ± 0.44 | −34.77 |
| O | 73.41 ± 1.07 | 32.38 | 47.46 ± 1.19 | 63.68 ± 0.71 | 44.71 |
| S | ND∗ | ND∗ | ND∗ | ND∗ | ND∗ |
ND∗-Not detected.
