Archaea / 2021 / Article / Tab 1

Research Article

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

Table 1

Operational parameters during experimental periods; in brackets, next to the period number, the H2/CO2 ratio adopted.

Period–H2/CO2Duration (d)Progressive days (begin-end)OLRSL (g COD·L-1·d-1)OLRtot (g COD·L-1·d-1)

I97(a)0-20
II−0.52021-41
III–1742-49
IV–2850-58
V–3859-67
VI–42668-94
VII–61295-107
VIII–733108-141

(a)In all figures, only the last 20 days of Period I are shown.