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Table 1 Characteristics of inoculum and substrates

From: Impact of operational conditions on methane yield and microbial community composition during biological methanation in in situ and hybrid reactor systems

  TS (%) VS (%) pH TAN (g L−1) TVFA (mM)
Inoculum 3.04 1.83 8.07  ±  0.01 1.54 7.83  ±  2.13
Cow manure 9.35  ±  0.25 7.66 7.34  ±  0.02 1.24  ±  0.20 64.06  ±  0.94
Cheese waste 12.64 11.64 4.78  ±  0.01 0.14 7.58  ±  1.17
Feed (cow manure  +  cheese waste) 9.92 8.26  ±  0.01 7.05  ±  0.01 1.20  ±  0.12 60.09  ±  2.95
  1. TS total solid; VS volatile solid; TAN total ammonium nitrogen; TVFA total volatile fatty acids