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Table 1 Abbreviations

From: Hydrogen production and microbial kinetics of Clostridium termitidis in mono-culture and co-culture with Clostridium beijerinckii on cellulose

Parameter Meaning and units
KL Lactate consumption constant (l g−1 COD biomass d−1)
Km Substrate utilization rate (g COD PO g−1 COD biomass d−1)
Kx Half-velocity degradation coefficient (g COD PO g−1 COD biomass)
µmax Maximum specific growth rate (d−1)
So Non-biodegradable factor (g COD l−1)
YA/L Acetate yield from lactate (g COD g−1 COD lactate)
YA/PO Acetate yield from particulate organic (g COD g−1 COD PO)
YB/PO Butyrate yield from particulate organic (g COD g−1 COD PO)
YE/PO Ethanol yield from particulate organic (g COD g−1 COD PO)
YF/PO Formate from particulate organic (g COD g−1 COD PO)
YL/PO Lactate yield from particulate organic (g COD g−1 COD PO)
YX/L Biomass yield from lactate (g COD g−1 COD lactate)
YX/PO Biomass yield from particulate organic (g COD biomass g−1 COD PO)