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Forest Biorefining and Implications for Future Wood Energy Scenarios

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Forest Biorefining and Implications for Future Wood Energy Scenarios Presentation 2.4: Forest biorefining and implications for future wood energy scenarios Jack N. Saddler Position: Professor & Dean Organization/Company: University of British Columbia, Faculty of Forestry E-mail: [email protected] Abstract The diversification of the forest products industry to include bioenergy may be characterized by evolution of a number of co products. The biorefinery concept, which considers energy, fuels, and chemical or material production within a single facility or cluster of facilities, may be the route forward for the forest industry that provides optimal revenues and environmental benefits. Forest- based biorefining platforms may use traditional or innovative platforms. A review of biorefineries in other sectors is followed by an examination of potential co products. A number of existing pilot or demonstration facilities exist around the world today, and many of these are described. The growth of biorefining in developed regions creates a technology transfer opportunity that could be facilitated through an FAO-led network similar to IEA Implementing Agreements or Tasks. 149 Forest biorefining and implications for future wood energy scenarios W.E. Mabee, J.N. Saddler Forest Products Biotechnology, Department of Wood Science Faculty of Forestry, University of British Columbia 4043-2424 Main Mall, Vancouver, BC, Canada V6T 1Z4 [email protected] International Seminar on Energy and the Forest Products Industry Rome, Italy: October 30 2006 Forest Products Biotechnology at UBC Outline 1. Defining biorefining in the global context 2. Forest-based biorefining platforms 3. Potential coproducts from the forest-based biorefinery 4. Examples of pilot and demonstration sites 5. Summary & Recommendations Forest Products Biotechnology at UBC 151 Definitions Lignocellulose-based biorefinery: Combination of bioenergy, 2nd-gen biofuel, bioproducts 1st-generation biofuels Commercial, based on food or foodstuff waste 2nd-generation biofuels Non-commercial, based on non-food (including forest biomass) Can be used in conventional infrastructure 3rd-generation biofuels Non-commercial, non-conventional Forest Products Biotechnology at UBC Agricultural biorefinery WET MILLINGCORN DRY MILLING Cleaning Cleaning Steeping Corn oil Germ Milling Milling Fibre Washing Gluten Gluten Sep. Starch Starch Syrup, Sweetner Hydrolysis Hydrolysis Fermentation Fermentation CO2 CO2 Yeast Recycle Yeast Distillation Distillation Ethanol recovery Centrifuge Distillers Wet Grains (DWG) Distillers Dried Syrup Grains (DDG) Forest Products Biotechnology at UBC 152 Bioethanol Production (000,000 litres/a) 40,000 35,000 30,000 25,000 20,000 World Bioethanol Production 15,000 10,000 Brazil 5,000 USA & Canada Asia 0 EU 1980 1982 1984 1986 1988 1990 1992 1994 1996 1998 2000 2002 2004 Forest Products Biotechnology at UBC Sources: (1) FO Licht. 2005. (2) Fulton, L. 2004. International Energy Agency, Paris. Outline 1. Defining biorefining in the global context 2. Forest-based biorefining platforms 3. Potential coproducts from the forest-based biorefinery 4. Examples of pilot and demonstration sites 5. Summary & Recommendations Forest Products Biotechnology at UBC 153 Biorefining Platforms Fast separation Structured BIOMASS & reconstitution separation Traditional Biological Thermochemical Platforms Platforms Platforms BIOENERGY BIOPRODUCTS BIOFUELS Forest Products Biotechnology at UBC Pulp and paper ‘refinery’ CHEMI-MECHANICAL SULPHITE PULPING WOOD (BCTMP) PULPING KRAFT PULPING Sulphite Liquor Black Liquor Recovery Impregnation Recovery Impregnation Impregnation Cycle Pulping Cycle Pulping Refining Washing Washing Washing Spent Sulphite Pulp Energy Pulp Pulp Liquor 40-55% Yield 48-60% Yield 70-85% Yield Lignosulphonates Silvichemicals Bleaching Energy Drying Papermaking Paper Forest Products Biotechnology at UBC 154 Price of Purchased Power EUR/MWh 80 70 60 50 European average weighted on P&Pb capacity 40 30 20 10 0 USA Chile China Japan Brazil Russia Canada Indonesia Forest Products Biotechnology at UBC Paper production growth vs. power Relative to 1990 figures 1.6 1.4 1.2 1 0.8 0.6 Market pulp, paper, board production 0.4 Primary energy consumption Electricity consumption 0.2 0 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 Forest Products Biotechnology at UBC 155 Outline 1. Defining biorefining in the global context 2. Forest-based biorefining platforms 3. Potential coproducts from the forest-based biorefinery 4. Examples of pilot and demonstration sites 5. Summary & Recommendations Forest Products Biotechnology at UBC Brazil - Sugar SUGAR Pretreatment Fractionation Hexoses Fermentation Recovery Forest Products Biotechnology at UBC Sources: (1) FAOStat 2006; www.fao.org (2) Bolling, C. and Suarez, N.R. (2001). USDA/ERS – SSS-232. 156 Brazil - Sugar SUGAR Sugarcane production by product (million metric tonnes) 500 Pretreatment 400 Fractionation 300 Ethanol 200 Hexoses 100 Sugar Fermentation 0 Recovery 1975 1985 1995 2005 Forest Products Biotechnology at UBC Sources: (1) FAOStat 2006; www.fao.org (2) Bolling, C. and Suarez, N.R. (2001). USDA/ERS – SSS-232. United States - Starch SUGAR STARCH Pretreatment Fractionation Enzymatic Hydrolysis Hexoses Fermentation Recovery Forest Products Biotechnology at UBC 157 United States - Starch SUGAR STARCH Corn production by product (million metric tonnes) Pretreatment 300 Residual Fractionation 200 Ethanol Trade Enzymatic Hydrolysis 100 Food, Bioproducts Hexoses Fermentation Animal Feed 0 Recovery 1980 1990 2000 Forest Products Biotechnology at UBC Oil refinery Traditional oil refining: Oil Demand by Sector (million barrels per day) 25 ~68-70% transportation sector Electricity 20 Res'l/Comm'l (i.e. gasoline, diesel) 15 ~21% industrial processing Industrial ~5% ind. plastics, chemicals 10 (over 2,000 refinery products) 5 Transportation ~4% residential/ commercial 0 heating 1950 1960 1970 1980 1990 2000 <3% electricity generation Forest Products Biotechnology at UBC Source: (1) EIA. 2005. Annual Energy Review. US oil demand by end-use sector. http://www.eia.doe.gov/pub/oil_gas/petroleum/analysis_publications/oil_market_basics/Dem_image_US_cons_sector.htm 158 Biological platform LIGNOCELLULOSE Pretreatment Fractionation Lignin Cellulose Enzymatic Extractives Hydrolysis Hemicellulose Hexoses Pentoses Fermentation Recovery BIOFUELS BIOENERGY Forest Products Biotechnology at UBC BIOPRODUCTS Thermochemical biorefinery BIOMASS Fast pyrolysis Fast pyrolysis to Bio-oil Boiler Turbine Upgrade Gasify Reform Fractionation Synthesis Methanol, Fischer- Heat Electricity Bio-oil Tropsch, etc. Hydrogen Chemicals BIOENERGY BIOFUELS BIOPRODUCTS Forest Products Biotechnology at UBC 159 Bioproducts Company Bulk polymers: BIOLOGICAL NatureWorks, DuPont, Polylactide (PLA), 3-hydroxypropionic acid, 1,3- Cargill propanediol, etc. Nutraceuticals: Codexis, etc. xylitol, arabitol, etc. Platform chemicals: DuPont, etc. Glycerol, furfural, levulinic acid, succinic acid, etc. THERMOCHEMICAL Biofuels: Iogen, Abengoa, etc. ethanol, bio-hydrogen, etc. Biofuels: Choren, etc. bio-oil, methanol, ethanol, Fischer-Tropsch, BTL, etc. Bioenergy: Williams Lake electricity, steam, combined heat & power (cogen), Bioenergy Facility, etc. district heating, wood pellets, etc. Forest Products Biotechnology at UBC Outline 1. Defining biorefining in the global context 2. Forest-based biorefining platforms 3. Potential coproducts from the forest-based biorefinery 4. Examples of pilot and demonstration sites 5. Summary & Recommendations Forest Products Biotechnology at UBC 160 Iogen Corporation Bioconversion commercial development facility in Ottawa $29 million in collaboration with Royal Dutch Shell (2003) $30 million investment by Goldman Sachs (2006) 40 ton/day of straw, grasses and corn stalks Preparation for $300-400 million full-scale facilities Forest Products Biotechnology at UBC Lignol Innovations Organosolv pulping originally developed by G. E. and Repap ($200 million) Products include (1) unique, pure lignin with developed markets, (2) furfural, and (3) cellulose-to-ethanol Benefits of focus: – 3 key products can minimize risk – Resources devoted to primary goals – Further co-products will strengthen business later Forest Products Biotechnology at UBC 161 SunOpta Bioprocess Group Focus on steam-explosion pretreatment, including a continuous digestor Owns/operates 3 biomass conversion facilities producing dietary fibre Partnered with Abengoa Bioenergy in developing 2 pilot biomass-to-ethanol facilities (Spain, USA) Forest Products Biotechnology at UBC Tembec Chemical Group Part of Tembec’s sulphite pulp mill on the Ottawa River Mix of hardwood and softwood feedstocks for pulping Produces lignosulfonates, resins, and ethanol from spent sulphite liquor Produces about 17 million litres EtOH annually, sold primarily in the food sector Forest Products Biotechnology at UBC 162 Etek Etanolteknik AB (Sweden) Bioconversion pilot facility in Örnsköldsvik $15 million investment by four primary shareholders 500 l per 24 hours (equivalent to 2 tonnes input material) Research and development centre Forest Products Biotechnology at UBC Abengoa (Spain, USA) Castilla y Leon (start 2004) – 200 million litres/a EtOH; – 2.5% lignocellulosic-based – Co-products: Dried Distillers Grains, CO2 for food York, Nebraska 2 – Starch pilot plant (2004) – Biomass pilot plant (2005) (corn stover) – $36.1 million ($US) project with DOE Partnership with SunOpta Forest Products Biotechnology at UBC 163 NREL (USA) National Renewable
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