Performance comparison


Media

Capacity

(mg/L)

Contact time

(min)

The best PH of adsorption

Stability

Safety

Taste

Cost

NEWDEF

1.0-5.0

2-10

6-9

good

good

good

low

Zeolite

0.06-0.2

15-20

6-7

very good

good

good

general

Activated alumina

0.4-2.0

10-20

5-6

not good

not good

general

high

Bone char

0.5-2.5

5-10

6-7.5

not good

good

poor

low

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