Skip to main content

Table 3 Sulfate concentration tested inside different filter layers of the two BTFs (mg/L)

From: Enhancement of using combined packing materials on the removal of mixed sulfur compounds in a biotrickling filter and analysis of microbial communities

location

day

251

264

274

288

p-value

Upper

BTF1

12.1

16.9

19.3

39.8

0.021

BTF2

9.5

11.5

14.9

31.6

Middle

BTF1

13.3

12.8

17.4

25.4

0.018

BTF2

8.4

10.8

10.6

20.5

Bottom

BTF1

18.7

21.0

27.0

62.5

0.031

BTF2

10.5

14.8

15.9

43.0