Table 2 Chemical composition of the substrates used in the MMC selection and PHA accumulation processes
Substrate | COD (mg L−1) | N-NH4 + (mg L−1) | P tot (mg L−1) | C (mmol L−1) | N-NH4 + (mmol L−1) | P (mmol L−1) | Organic acids composition (%, weight basis, HB precursors/HV precursors) |
|---|---|---|---|---|---|---|---|
OFMSW-supernatantin 1 | 1304 ± 10aa | 46.7 ± 4.9a | 3.1 ± 0.3a | 34.4 ± 0.3a | 2.6 ± 0.3a | 0.1 ± 0a | 59.7/40.3 |
OFMSW-supernatantin 2 | 1322 ± 37° | 56.2 ± 7.5a | 3.6 ± 0.4a | 34.9 ± 1a | 3.1 ± 0.4a | 0.12 ± 0.01a | 51.2/48.8 |
OFMSW-supernatantin 3 | 1231 ± 63a | 58.4 ± 8.1a | 5.6 ± 0.6b | 32.5 ± 1.7a | 3.2 ± 0.5a | 0.18 ± 0.02b | 67.8/32.2 |
OFMSW-supernatantacc. 1 | 7591 ± 54a | 28 ± 4a | 16.9 ± 2.3a | 200 ± 2a | 1.6 ± 0.2a | 0.55 ± 0.07a | 57.2/42.8 |
OFMSW-supernatantacc. 2 | 7879 ± 87a | 29.1 ± 2a | 19.8 ± 3a | 207.8 ± 2.3a | 1.6 ± 0.1a | 0.64 ± 0.11a | 52/48 |
OFMSW-supernatantacc. 3 | 7253 ± 98a | 26.8 ± 3a | 31.1 ± 5.2b | 191.3 ± 2.6a | 1.5 ± 0.2a | 1 ± 0b | 65.1/34.9 |