Waste Statistics 1996 3. Recycling3.1 Recycling distributed on fractions 3.1 Recycling distributed on fractionsTable 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.
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 cardboardThe consumption of new paper, collected waste paper and exports of waste paper are shown in Table 4.
Sources: (1) Rendans 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: Rendans 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 GlassThe 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 Rendans 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 Rendans 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: Rendans 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 metalsTable 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.
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
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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.
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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