Table 1 Summarized operational parameters during the four phases (with 95% confidence intervals).

From: Metabolic adaptation of microbial communities to ammonium stress in a high solid anaerobic digester with dewatered sludge

Parameters

Phase I (day 1–40 )

Phase II (day 41–55 )

Phase III (day 56–70 )

Phase IV (day 71–110 )

TAN (mgN/L)

4209 ± 510

3860 ± 2080

4287 ± 667

5443 ± 247

Biogas (L/day)

9.8 ± 1.8

11.9 ± 0.3

10.8 ± 0.5

10.4 ± 0.2

pH

7.98 ± 0.07

7.94 ± 0.02

7.98 ± 0.03

7.94 ± 0.01

VS reduction (%)

23.5 ± 3.3

31.6 ± 0.9

27.3 ± 3.5

21.3 ± 1.5

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