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1 Chipper Harvester for Small Trees. 2 Mallee Eucalypt production for bioenergy – research and harvesting Paul Turnbull Woody Crops Program Leader The.

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Presentation on theme: "1 Chipper Harvester for Small Trees. 2 Mallee Eucalypt production for bioenergy – research and harvesting Paul Turnbull Woody Crops Program Leader The."— Presentation transcript:

1 1 Chipper Harvester for Small Trees

2 2 Mallee Eucalypt production for bioenergy – research and harvesting Paul Turnbull Woody Crops Program Leader The Future Farm Industries CRC Department of Primary Industries Ph Presented at Farm Forestry and Firewood Machinery Expo 8 April 2011

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6 6 Harvest and Haulage is the major expense for the Delivered Cost of Biomass

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10 10 Over 100 tonnes per hour Average 60 t/h (24/7) for 5 to 6 months

11 11 Over 200 t/h with up to ~ 1000 hp

12 12 Flexible crop stems for horizontal feed Uses a chopper, not a chipper

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19 19 Products: 1.Biofuel or Bioenergy 2.Biochar 3.Cineole 4.Co-products and biomaterials 5.Sequestered carbon Woody crop production Processing Harvest Chip Harvesting – supply chain to processing Transport

20 20 Surface run-off or water harvest Perched or seasonal groundwater flow Boundary to zone of permanently moist subsoil Leakage into root zone ~20m7m ~20m >10m Water capture by mallee belts Woody crop belt Rainfall Open paddock under annual crop Lateral root or competition zone Deep permanent groundwater table Groundwater influx to root zone??

21 21 Biomass and Carbon from Harvested Mallees

22 22 Cashflow of mallee belts growing carbon and biomass and the opportunity cost of land in agriculture

23 23 Energy ratio – the advantage of woody biomass Energy productivity

24 24 Assumptions

25 25 Harvest and Haulage – Biomass Cost

26 26 Woody Crop Research – part of a network seeking a future mallee biomass industry


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