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Paradigm for Substance Flow Analyses

 

 

Table 2.2. Estimated consumption and losses of dichloromethane in Denmark.
Application Consumption (tons/y) % of consumption (mean) Emissions to air (tons/y) *6 Emissions to waste water (tons/y)*3,*6 Disposal as hazardous waste (tons/y) *6 Recycling (tons/y) *5
Applications of pure dichloromethane *4

390-430 *1

73 *1

260-320

0-1

90-120

5-15

Ancillaries for production of plastic goods

25 *2

5

24

0

 

0

Plane glas industry 15-30 5 7-10 0 2-5

5-15

Pharmaceutical industry

30

6

0

0-1

30

0

Analysis of asfalt

20

4

19-20

0

0-1

0

Paint strippers manufactured in Denmark

46-50

10

44-50

0

0-2

0

Metal industries (shipyards etc.)

35

7

34-35

0

0-1

0

Other laboratory and research applications

35

7

9

0

26

0

Grafic industry

15-20

4

10-20

0

0-5

0

Other identified applications of pure dichloromethane

40

8

35

0

5

0

Unknown applications of pure dichloromethane

130-140

28

80-120

0

30-40

0

Applications in prepararions *4

110-140

26

100-140

0-1

0-4

0

Paint strippers

90-110

21

80-110

0-1

0-4

0

Ancillaries for production of plastic goods

1

0

<2 *7

0

0

0

Glues

2-7

1

2-7

0

0

0

Fillers

8

2

8

0

0

0

Cleaning agents

3-5

1

3-5

0

0

0

Other preparations

4-10

1

4-10

0

0

0

Total *1, *4

450-510 *2

100

320-400

0-2

90-120

5-15

Notes:
*1 Double counting of the consumption of preparations manufactured in Denmark is eliminated in the totals (paint stripper, sealer, glues, cleaning agents). Products for which the country of manufacturing is unknown are considered imported (deemed most likely).
*2 An additional 70-90 tons/year are used for Danish manufacturing of products for export (sealers for diecasting of plastics).
*3 Indirect exposure via evaporation to air and subsequent rainfalls are not included.
*4 Totals are rounded up.
*5 Recycling numbers does not include internal recycling integrated in manufacturing processes.
*6 The presented figures are rough estimates based on general knowledge on chemical characteristics and standard routines of use and disposal in the application fields in question.
*7 Part of this loss to air is caused by the danish production of ancillaries for export.