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Research Article

Performance Analysis and Microbial Community Evolution of In Situ Biological Biogas Upgrading with Increasing H2/CO2 Ratio

Table 4

Summary of reactor alkalinity and VS removal during the experimental periods.

PeriodReactorAlkalinity (gCaCO3∙L-1)VS removal (%)

IR14.3639%
R24.3337%
IIR14.0444%
R24.0742%
IIIR14.0439%
R24.0140%
IVR13.9645%
R24.0247%
VR13.9941%
R24.3742%
VIR13.3635%
R24.0632%
VIIR13.4839%
R23.9234%
VIIIR12.1637%
R23.6332%