Removal of NOM, Nutrients, and Micropollutants in BAC Filtration - Activated Carbon for Water and Wastewater Treatment - page 275

gL 1 , Chlorination

effluent

- 144 - AOC W 1 kDa:22 m

gL 1
(BAC filtration-EBCT:
8.6 min)

AOC 1 kDa:122 m

o

Raw water 5.2-7.7

(tested cond. 6)

0.099-0.192
(tested cond.
0.13)

0.02-2.5 River water/Pilot-scale

study

[46]

MW fractionation /
% in DOC:
>30 kDa / 8.4%,
30-10 kDa/ 11.9%,
10-3 kDa/ 19.1%,
3-1 kDa/ 22.8%,
o

1 kDa/37.8%

Ozonated water 5.75 0.11 Ozone dose:

1-1.5mg L 1

B

Effluent of
coagulation,
sedimentation,
sand filtration

3.86 0.08

Post-ozonation

B 3.2 B 0.075

Ozone dose:
2-2.5mg L 1

Effluent of BAC
filtration

2.65 0.03

Raw water 6.01-10.94

(avg: 8.52)

4.32-7.04
(avg.6.2)

0.134-0.164
(avg.0.152)

[47]

Preozonation 6.6 (studied

water)

(Continued )