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Thu, 19 Dec, 2013 04:23:36 AM FTimes Report, December 19  Photo - Lehtikuva. As much as fifty per cent of the total volume of wood material used in Finland in 2012 was burned.
According to the Statistics Finland data, twenty per cent of the wood material was tied up in paper and board, 11 per cent in sawn timber, 3 per cent in wood boards and 7 per cent in exported pulp.
The data is derived from the use and mass balances in the forest accounts compiled by the Statistics Finland.
The large proportion of fuel use is mainly due to the combustion of the forest industry’s wood wastes, such as bark and spent liquor. The share of burning has grown due to increased use of forest chippings in energy production.
Tying up of wood material in end products in 1990-2012. Source: Statistics Finland. The volumes of used wood material have been calculated as dry matter.
For example, the average dry matter content of fresh raw timber is 43 per cent. The forest industry’s spent liquors contain approximately 70 per cent and board an average of 65 per cent of dry wood matter.
In addition to wood matter, paper and board also contain diverse coating and filler substances.
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