L1 /
8
CH3041
REDOX LADDER
The successive microbial oxidation of organic matter is termed a redox
ladder.
(eg. in the absence of MnO2(s) and Fe(OH)3(s))
(eg. in the absence of MnO2(s) and Fe(OH)3(s))
• Microbial life has evolved to use a wide
range of substrates to extract the E needed
to carry out their metabolic processes.
range of substrates to extract the E needed
to carry out their metabolic processes.
• Counts of organisms & groups of organisms
are made to indicate [microbiology].
are made to indicate [microbiology].
Conc.
Of
Oxidant
Of
Oxidant
weighttotal of organic degraded per unit vol.
O2
NO3-
SO4-
20
10 pE
0
