1. PSE 104 Section 2: Lecture 81 Concept of a “Biorefinery”

2. PSE 104 Section 2: Lecture 82 Concept of a “Biorefinery” Possible Feedstocks Wood – chips or whole logs Ag crops and wastes : straws, bagasse, corn stover Energy crops: switchgrass, poplar, oil seed plants (soybean, canola/rapeseed, palm) Potential Process Base Traditional chemical pulp mill Fermentation plant Sugar plant

3. PSE 104 Section 2: Lecture 83 Concept of a “Biorefinery” Potential Products Fiber for papermaking Lignin for combustion or specialty products (lignosulfonates) Various specialty chemicals: Xylitol Levoglucosan Polydactyl acid monomer Gasoline octane boosters and extenders Liquid transportation fuels: ethanol, methanol, biodiesel Electricity and process heat/steam