International Scholarly Research Notices

Research Article

Practice of Mass Transport Model Application for Biogeochemical Redox Process in Aquifer

Table 4

Biogeochemical parameters used for the two-dimensional redox model.
ParameterValue
Dispersivity 𝛼 𝐿 0.36 cm
𝛼 𝑇 0.036 cm
Half-saturation constant 𝐾 C H 2 O 0.10 mmol/L
𝐾 O 2 , 𝐾 N O 3 , 𝐾 M n O 2 , 𝐾 F e ( O H ) 3 , 𝐾 S O 4 1.0 × 10−3 mmol/L
Aerobic bacteria 𝑋 1 Yield coefficient 𝑌 O 2 0.10 mol cell-C/mol OC
Max. growth 𝜈 m a x 5.0/day
Decay rate 𝜈 𝑋 1 d e c 0.15/day
Denitrification bacteria 𝑋 1 Yield coefficient 𝑌 N O 3 0.05 mol cell-C/mol OC
Max. growth 𝜈 m a x 1.1/day
Decay rate 𝜈 𝑋 1 d e c 0.15/day
Mn(II)-reduction bacteria 𝑋 2 Yield coefficient 𝑌 M n O 2 0.04 mol cell-C/mol OC
Max. growth 𝜈 m a x 0.75/day
Decay rate 𝜈 𝑋 2 d e c 0.15/day
Fe(III)-reduction bacteria 𝑋 3 Yield coefficient 𝑌 F e ( O H ) 3 0.03 mol cell-C/mol OC
Max. growth 𝜈 m a x 0.44/day
Decay rate 𝜈 𝑋 3 d e c 0.15/day
S O 4 2 − reduction bacteria 𝑋 4 Yield coefficient 𝑌 S O 4 2 − 0.02 mol cell-C/mol OC
Max. growth 𝜈 m a x 0.24/day
Decay rate 𝜈 𝑋 4 d e c 0.15/day
Inhibition coefficient for Mn2+ and Fe2+IC10.2 mmol/L
Inhibition coefficient for S O 4 2 − IC20.1 mmol/L
Switching function [ O 2 ] t h r e s
Threshold concentration of oxygen0.015 mmol/L
Slope of the switch function 𝑓 s l 40.0