Fig. 3. The removal efficiency of HA (&) and DOC ( ) after addition of four different alkaline chemicals to adjust the pH at 7. NaOH was used as 0.1 M solution and others were as powder.
Fig. 3. The removal efficiency of HA (&) and DOC ( ) after addition of four differentalkaline chemicals to adjust the pH at 7. NaOH was used as 0.1 M solution and otherswere as powder.