Table 7 Aeration basin GPS-X default and adjusted models stoichiometry and kinetic parameters.

Influent stoichiometry composition			GPS-X default	Calibration	Validation
Classification parameter	Parameter	Unit	GPS-X default	Month 1	Month 2	Month 3	Month 4
Physical	v	m³	1000	54,054	54,054	54,054	54,054
Physical	d	m	4	6	6	6	6
Composite variable stoichiometry
Nutrient fractions	i_XP	gN/gCOD	0.068	0.22	0.22	0.22	0.22
Nutrient fractions	i_XB	gN/gCOD	0.068	0.24	0.24	0.24	0.24
Model stoichiometry parameters
Active heterotrophic biomass	Y_H	gCOD/gCOD	0.666	0.6	0.6	0.6	0.6
Active heterotrophic biomass	U_H	gCOD/gCOD	0.08	0.085	0.085	0.085	0.085
Active autotrophic biomass	Y_H	gCOD/gCOD	0.18	0.21	0.21	0.21	0.21
Active autotrophic biomass	U_H	gCOD/gCOD	0.08	0.069	0.069	0.069	0.069
Kinetic parameters
Active heterotrophic biomass	µ_max,H	1/day	3.2	6	6	6	6
	KS,S	mgCOD/L	5	0.5	0.5	0.5	0.5
	K_O,H	mgO2/L	0.2	0.15	0.15	0.15	0.15
	K_NH4	mgN/L	0.05	0.19	0.19	0.19	0.19
Active autotrophic biomass	µ_max,A	1/day	0.9	0.95	0.95	0.95	0.95
Active autotrophic biomass	K_NH	mgN/L	0.7	0.5	0.5	0.5	0.5
Hydrolysis	b_A	1/day	0.17	0.3	0.3	0.3	0.3
	k_h	1/day	3	10	10	10	10
	Kx	gCOD/gCOD	0.1	0.4	0.4	0.4	0.4
Ammonification	ŋ_h	–	0.8	0.3	0.3	0.3	0.3
Ammonification	k_A	m3/gCOD/day	0.08	0.3	0.3	0.3	0.3
Poly-phosphate-accumulating biomass	q_pha	gCOD/gPAO/day	6	10	10	10	10

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