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Biological and Catalytic Conversion of Biomass to Biofuels and Chemicals Jingguang Chen Chemical Engineering.

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Presentation on theme: "Biological and Catalytic Conversion of Biomass to Biofuels and Chemicals Jingguang Chen Chemical Engineering."— Presentation transcript:

1 Biological and Catalytic Conversion of Biomass to Biofuels and Chemicals Jingguang Chen Chemical Engineering

2 200 nm McCann et al. 1990 J. Cell Sci. 96, 323-334 Molecular Architecture of Plant Cell Walls (lignocellulosic biomass)

3 Lignin and Cellulose Molecules 3 Average molecular composition, soft maple lignin: CH 1.2 O 0.27 –Cellulose composition: CH 1.7 O 0.83 Up to 30% of the mass of wood, and 40% of the energy content Wood processing plants produce 50 million tons of lignin waste annually Holladay et al. “Top Value-Added Chemicals from Biomass: Volume II- Results of Screening Potential Candidates from Biorefinery Lignin.” Pacific Northwest National Laboratory. October 2007.

4 Converting Biomass Using Biorefinery Concept R. Agrawal and N. Singh, AIChE Journal, 55, 1898 (2009)

5 Biological Conversion of Cellulose to Biofuel McCann et al.

6 Chemistry of Biodiesel Source: Gerpen, J. V. (2005). "Biodiesel Processing and Production." Fuel Processing Technology 86: 1097-1107.

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8 Hierarchical Multiscale Materials Multiscale Modeling Characterization techniques ChemicalsCatalytic Fast PyrolysisDirect Carbon FCs Technological Platform Crosscutting Research Thrust Reaction Pathways, Kinetics, Structure-Property Relationships Science Process Innovation, Optimization Processing UD Energy Frontier Research Center Reforming

9 Thermal Conversion of Lignin to Jet Fuel 9 Huber, GW. “Catalysis for Production of JP-8 Range Molecules from Lignocellulosic Biomass.” 12 March 2009. UD collaborators: Prof. Lobo, Chemical Engineering

10 Thermochemical Transformation of Lignocellulosic Biomass  Traditional paths entail high temperatures and suffer from carbon  CPOX forms no carbon Biomass Pyrolysis High T Oil Char Tar Fuel Cat. upgrade Syngas Char Gasification Methanol Synfuel CPOX Syngas Very high T

11 3 mm CPOX of Cellulose Dauenhauer (UMass) and Schmidt (UMN)

12 Catalytic Conversion of Cellulose to Chemicals Conversion of cellulose to ethylene glycol on Ni-WC & Ni-W 2 C: Na et al. Angew. Chem. Int. Ed. (2008); Catalysis Today (2009)


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