Research Article

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

Table 2

Sequence of reduction reaction.

Bacterial groupsReaction

Aerobic respiration ( 𝑋 1 )CH2O + O2 → CO2 + H2O
Denitrification ( 𝑋 1 )CH2O + 4/5 N O 3 + 4/5H+ → CO2 + 2/5N2 + 7/5H2O
Manganese dioxide-reduction ( 𝑋 2 )CH2O + 2MnO2 → 2Mn2+ + 3H2O + CO2
Iron hydroxide-reduction ( 𝑋 3 )CH2O + 4Fe(OH)3 + 8H+ → 4Fe2+ + 11H2O + CO2
Sulfate ( S O 4 2 )-reduction ( 𝑋 4 )CH2O + 1/2 S O 4 2 + 1/2H+ → CO2 + 1/2HS- + H2O