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Published byOsborne Ross Modified over 8 years ago
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Reed canary grass as an energy crop Håkan Örberg Unit of biomass technology and chemistry
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Reed Canary Grass research at SLU/BTK Establishing crop Crop treatment Harvesting and transport Storage Upgrading to Briquettes and pellets Combustion
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Perennial rhizomatous Grass Reed Canary Grass A high yield crop in humid areas Resistant to diseases and damage by insects Establishing by seeding Agricultural machineries can be used by harvesting and seeding
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Delayed harvest of Reed Canary Grass 1. Washing by winter rain gives lower K and Cl contents 2. Harvest in early spring time gives dry material. 12-15 % water 3.High losses
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Regions in screening trails
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Yield of delayed harvested RCG in Northern Europe
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Fertilizing kg/ha Year 1+2 N P K 150 40 150 Year 3-10/year 80 10 10 Based on a yield of: 7500 kg/ha
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Harvesting studies Harvesting methods Combination of machineries Capacity measurements Defining period length of harvest Defining yield and losses Defining d.m.values
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Storage studies Different cover methods Different stacking methods Time consumption Cost calculating
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Upgrading to pellets or briquettes Capacity and quality measurements Electrical consumption measurements Optimizing processing parameters: - Grinding, sieving, steam conditioning - Die type System analysis
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Bio fuel pilot plant
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Conveyor and shredder
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Briquette machine
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Pellets press
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Combustion Combustion tests Emission measurements Ash melting characteristics Combustion efficiency
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Boiler 150-600 kW
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