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Waste Statistics 1996

3. Recycling

3.1 Recycling distributed on fractions
3.2 Paper and cardboard
3.3 Glass
3.4 Iron and other metals
3.5 Organic waste for composting, wood chip production
      and conversion into biogas
3.6 Tyres

3.1 Recycling distributed on fractions

Table 3 shows the waste fractions that are recycled, either by processing, composting or by use as biogas. It should be emphasized that the table expresses the quantities sent for processing, composting or conversion into biogas. In other words, the table does not show the quantities that are actually sold of these fractions.

Table 3. Recycling in Denmark in 1995 and 1996 by waste fraction. 1000 t.
  

1995

1996

Oil and chemical waste

28

53

Bottles and glass

92

99

Paper and cardboard

557

548

Plastic

26

29

Food waste / other organic waste

198

193

Branches, leaves etc.

376

452

Iron and metal 1 and 4

983

899

Automobile tyres

9

8

Concrete

485

942

Tiles

75

93

Other building and construction waste

526

532

Asphalt

694

737

Wood

10

15

Soil and stone

344

391

Other recyclable waste

108

166

Fly ashes and slags from coal-fired power stations2

1,276

1,213

Fly ashes and slags from other sources except waste incineration plants

3

2

Flue-gas cleaning products (gypsum, TASP, sulphuric acid) from coal-fired power stations2

288

416

Sludge from sewage treatment plants for recovery on farmland (only figures for 1995), composting and biogas3

914

915

Sludge from other sources

50

81

Total 7,042 7,784

Source: ISAG-reports for 1995 and 1996, (1) Danisco, Association of Danish Recycling Industries and other bigger scrap dealers, (2) Elsam, Elkraft, (3) reports to the Environmental Protection Agency on sludge for recovery on farmland (only figures for 1995. The figures have been found by stating the quantity of waste accepted from various primary sources. Some of the collective terms such as "Other recyclable waste, "Other building and construction waste" and "Soil and stone" may contribute - after sorting has been completed - to additional quantities of items such as tiles, wood, etc., which are not contained in the statement. (4) Correction for iron and metals transported from waste incineration plants (15,100 tonnes) has been made to avoid double counting.

In terms of quantity, it is the waste fractions associated with manufacturing (iron), building and construction (e.g. concrete and asphalt), coal-fired power stations (fly ash, gypsum and slag) and sewage treatment plants (sludge), which predominate. In addition, glass, paper and cardboard, branches, leaves, etc., account for large quantities, of which the greater part comes from households.

Table 3 shows that compared to 1995, a large increase especially in the quantity of concrete for recycling has taken place in 1996. Chapter 6 comments on this trend in more detail.

Furthermore, there has been a considerable increase in the recycling of garden waste (branches, leaves, etc.) and gypsum from flue gas cleaning products from coal-fired power plants. Finally, the table shows that there has been a drop in the quantity of iron and other metals recycled.

3.2 Paper and cardboard

The consumption of new paper, collected waste paper and exports of waste paper are shown in Table 4.

Table 4. Consumption and recycling of paper in 1996 stated in ‘000 tonnes
Consumption of new paper1

1,181

Collected waste paper2

548

Collected waste paper as a percentage of new paper consumption

46

Danish waste paper sent to Danish paper mills2

318

Net export of waste paper3

220

Sources: (1) Rendan’s monitoring of material flow of waste paper and Danmarks Statistik, (2) ISAG-report 1996 and (3) Danmarks Statistik. The difference between on one hand waste paper collected and on the other hand Danish waste paper sent to Danish paper mills and the net export can partly be due to stock enlargement, partly be a consequence of the use of different statistical sources.

The recycling percentage was in 1996 46 percent of the consumption of new paper.

The table shows that Denmark in 1996 had a net export of 220,000 tonnes of waste paper. This figure covers imports of waste paper of 85,000 tonnes and exports of 305,000 tonnes.

 

 

 

 

 

 

 

Source: Rendan’s monitoring of material flow of waste paper 1995 and ISAG-figures for 1996.

The total consumption of new paper throughout the first half of the 90s has been at around 1.2m tonnes. In 1996, 548,000 tonnes of waste paper were collected.

In 1996, the consumption of paper amounted to 224 kg per capita, and on an average 104 kg per capita were collected. Since 1985, the collection percentage has increased from 31% to 46%.

3.3 Glass

The ISAG statement for glass from primary sources for recycling shows a total quantity of 99,000 tonnes (table 3). When considering only waste from primary sources, a certain simplification is made in relation to the total material flow. This is especially important in relation to glass for which several collection and treatment elements are involved.

As a consequence, the total recycling of glass is commented on below, based on Rendan’s monitoring of material flow of glass which is more detailed.

The consumption of glass packaging has been steadily increasing and in 1995 it amounted to 181,265 tonnes. The major part of the increase is observed within preserving jars. The total glass collection in 1995 amounted to a good 122,656 tonnes according to Rendan’s monitoring of material flow, corresponding to 68% of the total consumption. Of this, 111,341 tonnes were recycled, corresponding to 61%. The refilling percentage for wine and alcohol bottles amounted to 30% in 1995.

 

 

 

 

 

 

 

 

 

 

Source: Rendan’s monitoring of material flow of glass and bottles 1995.

The above figures do not include bottles for beer and soft drinks manufactured for reuse. Returnable bottles are on an average refilled 35 times. If these bottles were manufactured as non-returnable bottles, the weight of each single bottle would be lower, but it would result in a waste glass quantity of some 350,000 tonnes.

3.4 Iron and other metals

Table 5 shows the collected quantity of iron and other scrap metals, distributed by buyer. The exact total potential of iron/steel and other scrap metal is not known. The recycling industry normally estimates that iron and other scrap metal has a recycling percentage in excess of 90.

Table 5. Recycling of iron and other metals in 1996 stated in ‘000 tonnes.
I Danish iron and other metals sent to foundries and The Danish Steelworks1

356

II Iron and other metals exported by scrap dealers2

612

III Iron and other metals imported by scrap dealers 2

35

Total recycling of Danish iron and others metals (I+II-III)

933

Iron and other metals imported by foundries and the Danish steelworks1

263

Sources: (1) ISAG report 1996, (2) Information from the recovery industry and other bigger scrap dealers. The method used in table 5 to state the recycling of iron is slightly different than the one used for table 3. I.a. the correction for iron and metal transported from waste incineration plants (15,100 tonnes) - to avoid double counting in relation to the total waste production - has not been made for table 5, as this table shows the total balance for iron.

Apart from the quantities imported by scrap dealers, the foundries and The Danish Steelworks imported 263,000 tonnes of iron and other metals in 1996, according to ISAG. In other words, total imports amounted to 298,000 tonnes. The import of iron and other metals was in 1996 about 100,000 tonnes higher than in 1995.

3.5 Organic waste for composting, wood chip production and
      conversion into biogas

The quantities of organic waste sent for composting, wood chip production and conversion into biogas are shown in Table 6.

Table 6. Quantities of organic waste in 1995 and 1996 sent for composting, wood chip production and conversion into biogas and the transportation from the plants of composting, wood chips and screened residual products stated in ‘000 tonnes.
  

1995

1996

Branches, leaves, etc., sent for composting/wood chip production

376

452

Collected organic household waste sent for composting

34

36

Collected organic household waste sent for conversion into biogas

5

10

Other organic waste sent for composting

6

2

Other organic waste sent for conversion into biogas

120

111

Other organic waste sent for animal feed production

32

34

Sludge sent for composting

7

6

Sludge sent for conversion into biogas

59

92

Total 639 743
Transportation from the plants of bark/wood chips

49

34

Transportation from the plants of compost

102

162

Transportation from the plants of screened residual products

5

19

Source: Calculations and estimates based on ISAG report 1995 and 1996. TheISAG report does not include information on the quantity of biogas produced.

The table shows that in 1996 in comparison with 1995 there has been especially an increase in the amount of garden waste (branches, leaves etc.) for composting/wood chip production. The increase must be seen as a result of the implementation of more and more municipal collection and delivery schemes for garden waste, which are also used to a larger extent. The increase amounts to some 75,000 tonnes of which around 20,000 tonnes are due to the fact that the ISAG-reports for 1996 comprise a number of small plants which were not part of the 1995 reports.

The transported quantities of bark/wood chips and compost from the plants do not reflect the quantities produced in 1996. However, this quantity should be considered as reflecting the quantity sold or delivered free.

The amount of transported compost has increased markedly from 102,000 tonnes in 1995 to 162,000 tonnes in 1996. The increase reflects to a certain extent the fact that a number of relatively new plants not until 1996 have been operation long enough for them to produce finished compost.

3.6 Tyres

In 1995, an agreement between the Minister for the Environment and Energy Svend Auken and a number of organisations was made on the take-back of used tyres from cars, vans and motorcycles. The purpose of the agreement is to ensure the collection and recycling of used tyres in Denmark. As a result, landfilling is avoided and material recovery is assured in which the recycling is prioritised to energy recovery.

The scheme started on 1st April 1995 and is financed by a fee on tyres comprised by the agreement and brought to the Danish market. The fee amounts to DKK 8 per tyre.

Table 7. Take-back of car, van and motorcycle tyres in 2nd half of 1995 and in 1996

2nd half 1995

1996

  

Tonnes

Tonnes

Used tyres covered by the take-back scheme

8,725

16,705

Collected tyres

7,600

12,670

Of which for

     
Retreading or continued use

3,300

5,477

Temporary storage

955

1,133

For rubber powder

3,345

6,060

Collection in % of tyres covered by the scheme

87.1

75.8

Source: Report from the Environmental foundation of the tyre industry 1995 and 1996. 2nd half of 1995 includes 1,000 tonnes collected in the first half of 1995 which increases the collection percentage.

According to the agreement the target for the take-back was 60% for 1995. The target for 1997 is 80% and it is expected that this target is met.


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