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Ozone-depleting substances and the greenhouse gases HFCs, PFCs and SF
3 Ozone-depleting substances
All known importers of ODSs responded to the questionnaire survey. The responses provide information on imports/exports, sales/purchases, and areas of application for relevant substances (including both mixed and pure substances). All ODSs reported by the importers are newly produced ODSs.
The information from importers was supplemented with statistical information from Statistics Denmark for 2005. Statistical data was used to cross-check imports/exports information from importers. The statistics do not distinguish between new and re-used substances, and thus imports could, in principle, consist of both new and re-used substances.
The foreign trade statistics for 2005 assign the following ozone-depleting substances to the following separate positions:
- CFC-11 (position no. 2903.41.00)
- CFC-12 (position no. 2903.42.00)
- CFC-113 (position no. 2903.43.00)
- CFC-115 (position no. 2903.44.90)
- Tetrachloromethane (carbon tetrachloride) (position no. 2903.14.00)
- 1,1,1-trichloroethane (methyl chloroform) (position no. 2903.19.00)
The foreign trade statistics also include some substance group positions that can indicate trends in imports and exports of HCFCs (and HFCs and PFCs), but due to the broad definitions of the substance groups, it is not possible to utilise the position numbers in the evaluation since this relates to individual substances.
3.1 Imports and exports
The following sections describe imports and sales of individual ozone-depleting substances.
3.1.1 CFCs
On the basis of information from importers, sales of new CFCs in 2005 were 0.01 tonnes. In 2004, sales were similar.
One importer reports having sold 0.01 tonnes of CFC-113 for laboratory purposes.
Statistics Denmark registered imports of 0 tonnes of CFC-113, 0 tonnes CFC-11, and 14.2 tonnes of CFC-12 in 2005. Import of CFC-12 is banned and therefore enterprises’ calculations are being re-examined for correctness.
3.1.2 Tetrachloromethane
In 2005, information from companies on imports and sales of tetrachloromethane were 0 tonnes. In 2004, imports and sales were 0.033 tonnes.
Statistics Denmark registered imports of 0.059 tonnes in 2005. Because of the small amount, no re-examination for correctness, has been investigated.
3.1.3 1,1,1-Trichloroethane
In 2005 the information from companies on import of 1,1,1-Trichlorethane were 0.01 tonnes. In 2004 the import of 1,1,1-Trichlorethane were 0.009 tonnes. There were no reports of 1,1,1-trichloroethane in 2003.
Statistics Denmark registered imports of 0.002 tonnes in 2005. Because of the small amount, no re-examination for correctness, has been investigated.
3.1.4 Halons
There were no imports of halons in 2005. Halons have been phased out for several years.
3.1.5 Methyl bromide
Methyl bromide was only imported for feedstock in 2005.
3.1.6 HCFCs
Six enterprises imported HCFCs in 2005.
Consumption of HCFC-22 and HCFC-141b has gone down. There has been no consumption of HCFC-142b.
In 2005, imports of HCFC-22 (regenerated) were about 95.6 tonnes and import through HFC mixtures were 5.3 tonnes..
Imports of HCFC-141b were 13.4 tonnes in 2005. In 2004, imports totalled 20.3 tonnes.
There were no imports of HCFC-142b in 2005, and Danish consumption of this substance has been phased out.
Table 3.1 Developments in consumption and potential emissions, tonnes (ODP- weighted tonnes are shown in italics).
Click here to see Table 3.1
Table 3.2 shows an overview of the Danish consumption of HCFCs by application area, based on information from importers and producers.
Table 3.2 HCFC consumption analysed by application area for 2005, based on information from importers and producers, tonnes.
Application area |
HCFC-22 |
HCFC-123 |
HCFC-141b |
HCFC-142b |
System foam (for panels, insulation, etc.) |
0 |
0 |
13.4 |
0 |
Refrigerants, New |
0 |
0 |
0 |
0 |
Refrigerants, regenerated |
95.6 |
0 |
0 |
0 |
Refrigerants, HFC mixtures |
5.3 |
0 |
0 |
0 |
Total |
100.9 |
0 |
13.4 |
0 |
3.1.7 Disposal
Denmark has two treatment facilities for destruction of ODSs - Kommune Kemi and Århus Genindvinding. All ODSs to be disposed are sent to these plants.
Kommune Kemi does not operate a registration system for individual substances because it receives and treats all substances in mixed tanks. Consequently, it is not possible to quantify the amounts of substances collected for treatment based on what the plant receives. Therefore, information from the importers that receive and send on used ODSs for treatment at the KK plant has been used instead.
Århus Genindvinding register the specific annual quantities of individual substances disposed at the facility.
The ODSs disposed in 2005 is shown in the table below.
Table 3.3 Disposed ODSs in 2005, tonnes.
ODS |
Quantity, tonnes |
HCFC-22 |
18.5 |
CFC-12 |
9.3 |
CFC-11 |
7.2 |
Some of the HCFC-22 originates from HFC blends (HFC-401a, HFC-402a, HFC-408a, HFC-409a) which are sent by Danish importers to Kommune Kemi for destruction.
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Version 1.0 February 2007, © Danish Environmental Protection Agency
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