The increase in Mn(II) ion removal with the increases in pH can be explained on the basis of a decrease in competition between protons and Mn(II) cations for the same functional groups and by the decrease in positive surface charge
The increase in Mn(II) ion removal with theincreases in pH can be explained on the basis of a decrease in competitionbetween protons and Mn(II) cations for the same functionalgroups and by the decrease in positive surface charge