Parameter

Description

Mutamba (2002)

This study

Source

Literature range

r_s1

Settling particle density (kg/m³)

1025

1165

[36]

1050 - 1500

D₁

Settling particle diameter (m)

4 mm

1.2 mm

[42]

0.03 - 1 mm

K_N(1)

Nitrate uptake half saturation constant (mg/l)

3

36

Optimized

-

K₂₀₍₁₎

Denitrification constant at 20˚C (d⁻¹)

0.1

0.33

[34]

0 - 1.0

u_N1

Nitrosomonas growth rate (d⁻¹)

1.5

1.25

[43]

0.33 - 2.21

Y_n1

Nitrosomonas yield coefficient (VSS/mgN)

0.5

1.12

[44]

0.03 - 1.3

K_fa

First order reaction constant (d⁻¹)

336.6

336.6

[45]

336.6

m_max20(1)

Microorganism growth rate at 20˚C

0.1

0.18

[46]

0.18

Reg_rate 1

Ammonia regeneration rate (d⁻¹)

0.08

Optimized

Min_rate 1

Mineralization rate (d⁻¹)

0.002

0.14

[30]

0.0005 to 0.143

q₁

Microorganism growth temperature coefficient (d⁻¹)

1.0

1.09

[36]

1.02 - 1.09

K_NH(1)

Ammonia half saturation constant (mg/l)

56

8

[47]

0.32 - 56

K_NO(1)

O₂ nitrosomonas half saturation coefficient (mg/l)

1.5

1.3

[44]

0.13 - 1.3