Livoa LogoLivoa
Arsenic enters soil
Soil condition?
Arsenite As3+
Arsenate As5+
Adsorption on Soil Particles
Binds to iron oxides
Binds to aluminum oxides
Binds to clay minerals
Adsorbed arsenic
Microbial Influence
Microbial reduction
Arsenate to arsenite
Increased mobility
Release Processes
Environmental change?
Anoxic conditions
High pH
Phosphate addition
Desorption (arsenic released)
Leaching to groundwater

epcm

by tingu

0
0 uses