Table 4 Residues of 17 PCDD/Fs in MSWIFA at different oxygen content. Unit: ng·kg-1.

From: Degradation of PCDD/Fs from incineration of waste at low temperatures for resource utilization of fly ash

PCDD/Fs

Oxygen content

0.35%

0.1%

650 ppm

500 ppm

320 ppm

2,3,7,8-TCDF

51.6

13.1

0.8

5.8

2.0

1,2,3,7,8-PeCDF

23.6

3.5

0.5

4.1

0.3

2,3,4,7,8-PeCDF

11.9

4.2

0.4

4.8

0.9

1,2,3,4,7,8-HxCDF

4.8

1.7

0.4

2.3

1.0

1,2,3,6,7,8-HxCDF

7.2

4.1

0.4

3.4

1.0

2,3,4,6,7,8-HxCDF

4.6

2.5

0.3

3.7

1.0

1,2,3,7,8,9-HxCDF

1.5

0.2

0.1

0.5

0.3

1,2,3,4,6,7,8-HpCDF

7.2

5.0

2.2

4.9

1.1

1,2,3,4,7,8,9-HpCDF

1.6

0.6

0.2

0.8

0.3

OCDF

1.3

2.1

0.8

1.1

0.9

2,3,7,8-TCDD

9.3

5.6

0.5

3.8

0.6

1,2,3,7,8-PeCDD

8.6

4.6

0.7

1.6

1.4

1,2,3,4,7,8-HxCDD

1.7

0.8

0.3

1.4

1.0

1,2,3,6,7,8-HxCDD

3.2

2.6

0.6

3.1

1.2

1,2,3,7,8,9-HxCDD

3.7

2.3

0.7

2.2

0.9

1,2,3,4,6,7,8-HpCDD

14.3

10.5

3.7

12.4

7.3

OCDD

10.4

8.7

4.5

27.3

6.9

Total amounts of 17 PCDD/Fs

166.5

72.1

17.1

83.2

28.1

I-TEQ

28.8

13.1

1.5

9.7

2.7

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