Danske Regioner Klima09UK Page 21
BIoMass
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hen we use energy in the future, it will not be pumped up from the ground or stored in barrels; it will be borrowed from the wind, created by the sun and harvested in the form of biomass which can be turned into biofuel. The work of harvesting energy is naturally of great interest to AgroTech, an approved technological service institute, which provides impartial, research-based guidance and technological services within such fields as agriculture and foodstuffs. But harvesting biomass for energy is not the only aim; improving the environment by cultivating biomass is another, parallel goal. Kathrine Hauge Madsen, centre director of AgroTech, is responsible for a joint Nordic project which will experiment with harvesting biomass in environmentally sensitive areas, focusing on grass and willow, respectively. The willow will be specially planted, while the challenge with grass, which we already have, is to find the best way to harvest it. Central Denmark is beginning to see the potential of exploiting environmentally sensitive or unused areas for biomass production. One part of the project deals with planting around 1,500 hectares of willow in the uplands of Ringkøbing Fjord and Nissum Fjord, while the other part of the project will experiment with harvesting up to 1,000 hectares of grass along the banks of the Nørreå River between the cities of Viborg and Randers. "If we achieve the results we are hoping for that is, if the economic and ecological aims support each other the meadow grass project in Nørreå could be scaled up to encompass very large parts of the 150,000 hectares of land of this type that we have in Denmark," says Kathrine Hauge Madsen. no loss of food And before there is an outcry, let us say straight away that this is not biomass production based on edible crops which are subsequently turned into biofuel.
"By working with grass and willow, we are utilising resources that exist already, and we are getting more out of areas that are not suitable for food production," points out Søren Ugilt Larsen, head of the willow project with AgroTech. Both projects, however, must combine energy production with protection of the environment. "It's a question of thinking holistically, rather than in individual elements," says Anders BuhlChristensen, deputy mayor of Randers and a member of the Central Denmark Growth Forum. "The Danish Parliament has been approving comprehensive water environment plans for many years. These two projects represent an alternative way of viewing environmental improvements. Here, we are trying to create a form of industrial development, one of the byproducts of which is environmental improvement," he continues. The goal is also to develop tools which the municipalities and others can use in connection with the implementation of the EU water framework directive. "It extends the range of possibilities from merely being a matter of bans and regulations," says Anders Buhl-Christensen. wide potential There is thus a great deal of potential in making use of meadow areas for this purpose, which conveys several benefits. "You could for example look at it from an environmental perspective; by their nature, meadows are located in low-lying areas, where the soil often contains a very large amount of nutrients. By planting crops which can make use of these nutrients, we ensure that less is flushed out into the waterways. That is a good environmental argument. Then there is the energy-related perspective, in that we can harvest a crop to obtain biomass, which can then be used for biofuel," says Kathrine Hauge Madsen, to which her colleague Søren Ugilt Larsen adds:
"There is also the aspect of tending and caring for our meadow areas, either by harvesting or mowing, in order to secure a high diversity of plant and animal life. If we fail to do this, the areas will eventually be dominated by rushes, which is rather dull. So if we want to have interesting and varied natural surroundings, we have to tend them. A fourth perspective is that by using biomass to manufacture biofuel, we also obtain large amounts of nutritious residual products, which can then be used as fertiliser in ecological production."
Facts:
the 'Biomass from Meadows' project was launched at the start of 2008, and will run until 2012, with both environmental and energy-related aims. the project's budget is approximately eur 4.8 million, of which just under eur 3 million is earmarked for the willow project, and just over eur 1.9 million for the grass project. the partners behind the project include KasK (Interreg IVa - the Kattegat-skagerak programme), the central Denmark growth Forum, the Danish Food Industry agency and the owners of the meadow areas. the central Denmark growth Forum is supporting the project with the aim of testing the relevant technologies at a full-scale level. In a report published in December 2008, the Ministry of Food, agriculture and Fisheries recommended that 100 times as many energy willows should be planted in Denmark (150,000 hectares) than was done in the project in central-Jutland.
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