Gas extraction from landfills doubled
Nature and the environment
avfhand, Waste treatment in waste treatment plants, waste, waste disposal plant, waste treatment, landfill, recovery, incineration, composting, waste export, household waste, rubbish, food waste, trade waste, cover materialWaste , Nature and the environment

Waste treatment in waste treatment plants2001



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Gas extraction from landfills doubled

18,800 tonnes of methane were extracted from landfills in 2001, compared with 9,300 in 1998. At the same time, more gas was utilized as an energy source: 6, 000 tonnes in 2001 compared with 1,300 in 1998.

Percentage of waste on landfills with gas extraction. 2001. Tonnes

Less than half of the landfills extracted methane

Methane emissions from landfills accounted for about 7 per cent of the Norwegian greenhouse gas emissions. Norway is obliged under the Kyoto protocol to restrict its GHG emissions. Methane was extracted from 41 out of 112 operative landfills in 2001. These 41 received 72 per cent of the waste that was landfilled in the 112. Corresponding figures for 1998 were 28 out of 149 receiving 51 per cent of the landfilled waste. 1,396,000 tonnes of waste were landfilled in 2001 compared with 1,928,000 in 1998.

Four times higher utilization

Percentage of waste on landfills with seepage cleansing. 2001

An increasing portion of the methane is being utilized as an energy source. While 14 per cent of the extracted gas was utilized in 1998, the percentage rose to 32 in 2001. This amounts to 1,300 and 6,000 tonnes of methane respectively. Methane makes up about half of the total amount of gas extracted from landfills.

More seepage cleansing

53 out of the 112 landfills had seepage cleansing. This corresponds to 64 per cent of the landfilled waste. The corresponding figure for 1998 was 56 per cent. 35 more landfills collected the seepage without cleansing.