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VOC Emissions from Manufacturing Processes

Table 4.1
Example of scenario with 3 processes sorted by processes. (Concentration values are not shown.)

Process no.

Receipt no.

Stack
no.

Pipe
no.

Flow
n.m3/h

Temp.
oC

Cr-value mg/m3
of gas

Concentration (mg VOC/m3), time-
related data  (8 periods)

Emission (g VOC/sec.) time-related data
(8 periods)

1

9

1

1.1

1000

40

0.2

 

 

 

 

 

 

 

 

1

2

3

4

3

2

1

1

1

9

1

1.2

1000

60

0.2

 

 

 

 

 

 

 

 

2

2

2

2

2

2

2

0

1

9

2

1.3

2000

30

0.2

 

 

 

 

 

 

 

 

0

1

2

3

4

3

1

1

Sum

 

 

 

4000

 

 

 

 

 

 

 

 

 

 

3

5

7

9

9

7

4

2

2

7

2

2.1

2000

20

0.15

 

 

 

 

 

 

 

 

1

1

1

1

1

1

1

1

2

7

2

2.2

2000

20

0.15

 

 

 

 

 

 

 

 

1

2

3

5

7

5

4

2

Sum

 

 

 

4000

 

 

 

 

 

 

 

 

 

 

2

3

4

6

8

6

5

3

3

5

3

3.1

3000

60

0.1

 

 

 

 

 

 

 

 

1

1

1

1

1

1

1

1

3

5

3

3.2

1000

40

0.1

 

 

 

 

 

 

 

 

2

2

2

2

2

2

2

2

3

5

3

3.3

2000

40

0.1

 

 

 

 

 

 

 

 

1

2

3

4

1

1

1

1

3

5

8

3.4

4000

20

0.1

 

 

 

 

 

 

 

 

0

0

1

1

0

0

0

0

Sum

 

 

 

10000

 

 

 

 

 

 

 

 

 

 

4

5

7

8

4

4

4

4
Cr-value: Calculated in accordance to DEPA Guideline no. 9, 1992 on basis of composition of gas mixture (approximately = composition of process mixture of solvents). The Cr-value for mixture of gases is calculated on basis of the concentration and the flow in each stream.

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