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Table 1 Characteristics of sludge used in the experiment

From: Process optimization and effect of thermal, alkaline, H2O2 oxidation and combination pretreatment of sewage sludge on solubilization and anaerobic digestion

Parameters

PS

WAS

Inoculum

TCOD (gL− 1)

35.94 ± 1.6

63.51 ± 3.5

37.00 ± 0.8

sCOD (gL− 1)

5.25 ± 0.2

4.81 ± 0.1

4.23 ± 0.1

TS (gL− 1)

27.91 ± 1.4

44.20 ± 1.6

29.06 ± 1.4

VS (gL− 1)

20.12 ± 0.4

35.41 ± 1.4

17.40 ± 0.3

TSS (gL−1)

23.82 ± 1.1

39.30 ± 1.9

22.14 ± 0.9

VSS (gL−1)

17.76 ± 0.9

30.11 ± 1.3

14.58 ± 0.2

pH

6.36 ± 0.1

6.52 ± 0.3

7.33 ± 0.2

  1. TCOD total chemical oxygen demand, sCOD soluble chemical oxygen demand, TS total solid, VS volatile solids, TSS total suspended solids, VSS volatile suspended solids
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BMC Biotechnology

ISSN: 1472-6750

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