Transcript pyne.co.uk
BEST Slow Pyrolysis Technology C4H4 Demonstration Plant Presented by Cordner Peacocke for Adriana Downie BEST Pyrolysis Technology • Renewable electrical and thermal energy • Low grade, high ash feedstock capability • Modular, scaleable design • Value added solid product with developing market Pilot Production Daisy ~ 10kg batch dry biomass One in Australia, one in the USA El Toro ~ 40kg/hr dry biomass Designed and Built in Australia – Shipped to USA Operated from Dec 2005- July 2006 Demonstration Plant Kiln Gasifier Drier Engine Scrubber C4H4 ~ 300kg/hour continuous biomass (dry basis) C4H4 Process Flow Diagram Engine Exhaust Biomass Feed 300 kg/hr Feed Drier Burner Drier Kiln Syngas Cleanup 0.6 MW PE Engine er Flu e Electricity Char Pyrolysis Kiln Clean Syngas Kiln Burner Gasifier 160 kW Electrical Ch Gasifier Syngas Burn Dry Biomass Kiln Kiln Syngas Clean Syngas ar /A s h 75 kg/hr char Kiln Syngas 25% Syngas to Kiln Burner Flare BEST Demonstration Plant C4H4 ~ 300kg/hour continuous biomass (dry basis) BEST Demonstration Plant Engine and generator running on Syngas Data Collection Engine Syngas Analysers Control Panel 40 Thermocouples Data Loggers Biomass Feedstock A complete range of biomass feedstocks have been evaluated Over 150 hours C4H4 runtime in total • • • Feedlot Manure • Poultry Litter • • Paper Sludge Cotton Trash Woody weeds Green Waste • • • Wood Waste Rice Hulls Corn Trash C4H4 Gas Analysis • Gas analysis with GC (Gas Chromatograph) after gas clean-up • Greenwaste feed • Gas CV approximately 7 MJ/kg [range 6-12 MJ/nm3] • Gasifier gas approximately 3-4 MJ/kg depending on feed • Clean gas suitable for use in engines or boilers • Minimal ‘’tar’’ < 250 mg/m3 from hot gas filter prior to scrubbing • Renewable source of energy Carbon Monoxide Hydrogen Methane Ethane Propane Ethylene Acetylene Carbon Dioxide Nitrogen CO H2 CH4 C2H6 C3H8 C2H4 C2H2 CO2 N2 Conc. (Vol%) 22.5 15 7.9 0.1 0 0.8 0.3 13.4 40 Char Analysis • Char yield between 27 and 50% of feed (dry) • Activation to give high surface areas – up to 800 m2/g • Sampling possible directly from kiln or char activator • 50% Carbon from biomass remains in char – sequestration potential Chicken Litter Char Greenwaste Char Analysis Ash Carbon Hydrogen Nitrogen Sulphur Oxygen % 16.3 75.3 1.88 0.35 0.03 6.2 Char as a Soil Amendment Collaborative Char research with NSW Department of Agriculture and The University of New South Wales. • Soil structure (tensile strength) •Cation exchange capacity • Water holding capacity • Soil permeability • Nutrient retention • Enhance soil carbon • Liming value • Available nutrient content (NPK) • Reduced soil greenhouse gas release Agricultural Trials Poultry litters chars on radish 12 10 Dry matter (g/pot) 8 lsd 6 DM = 4 100 kg N/ha L1_100N L1_0N L2_100N L2_0N 2 0 0 10 20 30 Char rate (t/ha) 40 50 60 Commercial Scale-Up 4000kg per hour of continuous biomass (dry basis) Biomass Feed Engine Exhaust Fully Integrated 4 tph Commercial Unit Engine Exhaust Engine Exhaust Drier Gas Cleanup Engine er Flu e Dry Biomass ga r Syn ie Gasif Burn Pyrolysis Kiln Electricity s Kiln Kiln Syngas Clean Syngas Char Gasifier 5 MWe Gasifier Syngas Gasifier Synags Gas Cleanup Gasifier Syngas Ch ar /A s h Projects on the Horizon BioEnergy Park – Wisconsin • 2 tonne/hr modular unit • Dairy Manure and bedding as Feedstock • Outputs: Energy and Char • Waste Management Driven • Integrated Pelleting press unit • Final Design Phase Australian Paper Mill - Maryvale • 4 x 4 tonne/hr modular units • Paper Sludge and wood chips as feedstock • Outputs: Char • Waste Management Driven • Final Feasibility Stage IAI Conference 2007 International Agrichar Initiative (IAI) Conference in Terrigal, NSW, Australia April 30th – May 2nd, 2007 We will be running a C4H4 demonstration day Go to: www.iaiconference.org For further information See you there BEST Energies Australia Pty Ltd 56 Gindurra Road Somersby NSW 2250, Australia phone: +61 2 4340 4911 fax: +61 2 4340 4878 email: [email protected]