Skip to Main Content
Table 2

Water quality index under different dilution ratio

Type of wastewaterWithout air stripping
With air stripping
Period0–30 d30–60 d60–90 d0–30 d30–60 d60–90 d
Dilution ratio 20% 50% 100% 20% 50% 100% 
COD (mg/L) 1,000 ± 50 3,000 ± 150 6,000 ± 300 1,000 ± 50 2,500 ± 100 5,000 ± 200 
Total phenols (mg/L) 150 ± 10 350 ± 30 700 ± 50 50 ± 10 125 ± 10 250 ± 10 
Type of wastewaterWithout air stripping
With air stripping
Period0–30 d30–60 d60–90 d0–30 d30–60 d60–90 d
Dilution ratio 20% 50% 100% 20% 50% 100% 
COD (mg/L) 1,000 ± 50 3,000 ± 150 6,000 ± 300 1,000 ± 50 2,500 ± 100 5,000 ± 200 
Total phenols (mg/L) 150 ± 10 350 ± 30 700 ± 50 50 ± 10 125 ± 10 250 ± 10 
Close Modal

or Create an Account

Close Modal
Close Modal