Data description

Data description

Material inputs and outputs

Material outputs

The main output from the paper mills is of course paper. This includes about 2 kg of cores and plugs per tonne paper, which are considered and weighed as part of the net saleable product. The corrugated board plants produce corrugated board and boxes.

The average moisture content of the saleable product is 9% for Semichemical Fluting and 8% for Kraftliner, 7,5% for Testliner and Wellenstoff, 7-8% for corrugated board.

The main saleable by-products from the production of Kraftliner are tall oil and turpentine. These are included in the report.

Residues

All residues are reported as wet weight, separated according to their basic nature. Residues are reported irrespectively if they are deposited internally within the site or externally, in the latter case normally at a deposition cost.

The waste treatment was not reported by all mills.

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Allocation of residues to paper grades when a mill produces more than one paper grade

Data for material outputs are based on measurements. These have to be done because the mills have to pay for landfill and incineration or get paid for residues that are reused or recycled, like lubricants, according to the weight. When allocation was necessary, this was done according to mass of the different papers.

There is no technical reason for differences in residues between Testliner and Recycled Fluting. However, the weighted averages for each paper grade do show differences because different mills are included in the samples. To prevent misunderstanding, the same amounts of residues for both paper grades are reported as their weighted average. 

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