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Research Article

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

Table 3

Summary of reactors’ gas mass flow (CO2, CH4, and H2) during the experimental periods.

Period–H2/CO2CO2 (NmL∙d-1)CH4 (NmL∙d-1)H2 (NmL∙d-1)
R1R2R1R2R1R2

I7888942597277200
II-0.59551054281331372733
III–19621034298533194228
IV–29531094316136124338
V–310041307362844045465
VI–4605114734544542203349
VII–657586435974329134229
VIII–729744033534970235348