Reed canary grass as an energy crop Håkan Örberg Unit of biomass technology and chemistry - PowerPoint PPT Presentation

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Reed canary grass as an energy crop Håkan Örberg Unit of biomass technology and chemistry. 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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Reed canary grass as an energy crop Håkan Örberg Unit of biomass technology and chemistry

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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 GrassReed 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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Thank You for listening


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