Biogas Production Optimization in the Anaerobic Codigestion Process: A Critical Review on Process Parameters Modeling and Simulation Tools

Table 3

Kinetic models of cumulative gas production.

Models	Equations	Parameter description
First order [77]		M = cumulative methane produced (ml/gVS)
Cone [78]	M	= methane predicted (ml/gVS)
Haldane [79]		(/d) = hydrolysis rate constant
Monod [78]		C = VS ratio of a cosubstrate over the total substrate VS (%)
Weibull [80]		= the half-saturation constant of cosubstrate (%)
Transference [81]		= half inhibition constant of the cosubstrate (%)
Modified Gompertz [78]		λ = phase delay time
Modified logistic [81]		= maximum biogas production rate (ml/gVS.d)
Modified Richards [81]		n = shape factor, k = rate constant (1/d), t = digestion time (d), e = 2.718