TORREFIED WOOD A New Emerging Energy Carrier - Wood Pellet PDF
Preview TORREFIED WOOD A New Emerging Energy Carrier - Wood Pellet
TORREFIED WOOD A New Emerging Energy Carrier presented to Clean Coal Power Coalition CCPC March 9, 2011 Staffan Melin Research Director Outline • History of Torrefaction • Torrefaction as a Technology • Status of Torrefaction Worldwide • The WPAC Torrefaction Project • Torrefied Pellet Product Specification • WPAC Serving the Power Industry Wood Pellet Association of Canada 2 HISTORY OF TORREFACTION Commodities Temperature oC Started Beans (coffee), nuts, seeds +190 to 280 1000 A.D (Ethiopia) (hot air) 1971 (Starbucks) Thermo- wood (outdoor furniture, decks) + 180 1980th (Finland) (Steam, hot air, oil) High calorific biofuels (wood, agro-mtrl) + 250 to 290 1987 (France) (Steam, nitrogen) Wood Pellet Association of Canada 3 TORREFACTION PATENTS Jurisdiction Valid patents Applications Expired / Abandoned Total Canada 0 7 2 9 US 1 13 2 16 European 0 6 2 8 World 0 12 3 15 Assignee Valid patents Applications Notes Same patent, 4 jurisdictions. Also ECN 0 4 one rejected application Wyssmont 0 2 Same patent (US & Canada ) Thermya 0 4 Same patent, 4 jurisdictions Torr-Coal 0 4 Same patent, 4 jurisdictions North Carolina 0 1 US only. Agri-tech is licensee State Univ. Wood Pellet Association of Canada 4 Wood Pellet Association of Canada 6 Wood Pellet Association of Canada 7 TORREFACTION REACTION PRODUCTS - ORIGINAL AND MODIFIED SUGARS SOLID TORREIED - NEW POLYMERS MATERIAL - CHAR 80% of weight - ASH LIQUID - WATER BIOMASS CONDENSIBLES - ORGANICS 15% of weight - LIPIDS - CO NON- 2 - CO CONDENSIBLE - CH GAS 4 - H 5% of weight 2 - TRACE OF OTHER HIGHER ORGANICS Wood Pellet Association of Canada 8 Wood Pellet Association of Canada 9 EXAMPLES OF TECHNOLOGIES & TECHNOLOGY PROVIDERS TORREFACTION INDIRECT HEATING DIRECT HEATING (THROUGH WALL) (HOT GAS TO BED) GAS-LOOP WITH HEAT EXCHANGER GAS-LOOP LINKED TO BURNER (No O ) (Low O ) 2 2 AGRITECH ALLIED BLOWER MOVING BED ECN TUNNEL ALTERNA AUGER FOX COAL PICHENEY VIBRATING BELT STRAMPROY MOVING BED THERMYA DRUM TORR-COAL WYSSMONT MULTIPLE HEATING INTEGRO TORBED TOPELL ZONE CMI-NESA DRUM ROTAWAVE Wood Pellet Association of Canada 10
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