Improving the operational performance of a wastewater treatment plant by using GPS-X simulations: a case study in northern Taiwan

Table 3 Default values of stoichiometric and kinetic parameters for GPS-X simulations

Classification	Parameter	Unit	GPS-X Default	January to March	April to June	July to September	October to December
Composite Variable Stoichiometry
Organic Fractions	i_cv	g COD g⁻¹ VSS	1.48
Organic Fractions	f_bod	-	0.66
Nutrient Fractions	i_XB	g N g⁻¹ COD	0.086
Model Stoichiometry Parameters
Active Heterotrophic Biomass	Y_H	g COD g⁻¹ COD	0.666
Active Heterotrophic Biomass	U_H	g COD g⁻¹ COD	0.08
Active Autotrophic Biomass	Y_A	g COD g⁻¹ N	0.24
Active Autotrophic Biomass	U_A	g COD g⁻¹ COD	0.08
Kinetic Parameters
Active Heterotrophic Biomass	μ_max,H	d⁻¹	6	4.2	7.0	5.5	8.0
	K_S,S	mg COD L⁻¹	20
	K_O,H	mg O₂ L⁻¹	0.2
	η_g	-	0.8
	K_NO	mg N L⁻¹	0.5
	b_H	d⁻¹	0.62
Active Autotrophic Biomass	μ_max,A	d⁻¹	0.8
	K_NH	mg N L⁻¹	1.0
	K_O,A	mg O₂ L⁻¹	0.4
	b_A	d⁻¹	0.04
Hydrolysis	k_h	d⁻¹	3
Hydrolysis	K_x	g COD g⁻¹ COD	0.03

ISSN: 2468-2039