DuPont Cellulosic Ethanol: Sustainable, Economic, Farm-to-Fuel Solutions May 2013 Copyright 2013 DuPont. All rights reserved. 1
DuPont Industrial Biosciences Focused growth through bioprocessing technologies Build on Genencor s expertise in designing and operating cell factories Leverage Pioneer s knowledge of production agriculture and relationship with growers Apply DuPont s capabilities in engineering and advanced materials Agriculture and Nutrition Industrial Biosciences Advanced Materials Intersection for innovation across DuPont s competencies Copyright 2013 DuPont. All rights reserved. 2
Industrial Biosciences Business Units Three biobased segments, serving a diverse set of customers Agriculture and Nutrition Industrial Biosciences Advanced Materials Bioactives Enzymes Proteins Peptides Food and Beverages, Feed, Cleaning, Paper, Personal Care PRODUCTS END USE MARKETS Biomaterials Biochemicals Biomaterials Carpet, Textiles PRODUCTS END USE MARKETS Biorefineries Bioprocessing aids Fuels, Carbohydrate Processing PRODUCTS END USE MARKETS Copyright 2013 DuPont. All rights reserved. 3 DuPont Cellulosic Ethanol
Why Lignocellulose? A structural component of all plant matter Abundant in nature High energy value Not used directly for human consumption Lignocellulose holds great promise for renewable energy production.
Global Biofuels Feedstocks and Opportunity US Corn Stover 1-2 Bgals/yr EU Straw/ Energy Crop >1 Bgals/yr China Energy Crop 1-2 Bgals/yr China Corn Stover >1 Bgals/yr US Energy Crop >10 Bgals/yr ASEAN EFB >1 Bgals/yr Brazil Bagasse >2 Bgals/yr
US Opportunities for Cellulosic Ethanol U.S Renewable Fuel Mandates
DuPont Offers Technology & Services Across the Cellulosic Value Chain Cellulosic Ethanol Accellerase Enzymes FermaSure C5/C6 Ethanologen Butanol Renewable Chemicals Biomass/Seed Technology DuPont Crop Protection Plus DuPont CE Feedstock Solutions DuPont Integrated CE Solution Copyright 2013 DuPont. All rights reserved. 7
DuPont Cellulosic Ethanol and Its Offering DCE is dedicated to develop and commercialize cellulosic ethanol technology to satisfy the global demand for alternative fuels.
DuPont Cellulosic Ethanol Business Mission Limited plant investment to demonstrate technology Agricultural residues - Nevada, Iowa Energy Crops in Southeastern USA Global licensing strategy Targeted regions: North America, South America, China, Central Europe, Southeast Asia Full service licensing offering to global customers: Engineering Services Technical Support Proprietary Equipment Biocatalyst Supply Feedstock Supply Services Copyright 2013 DuPont. All rights reserved. 9
DCE Process Generates Two Renewable Fuel Products Renewable Solid Fuel (lignin and syrup) Co-products can be utilized in on-site biomass boiler Commercial sale of dried biofuels to off-site power generators (coal fired boiler blending or other utilities) Transportation Fuel Use of fuel by local gasoline blenders and suppliers 10
g/l g/l Scale-up: 1L vs. 75,000 L Saccharification Fermentation 70 60 50 40 30 20 10 80 70 60 50 40 30 20 10 0 0 10 20 30 40 50 60 70 80 0 0 10 20 30 40 50 60 70 80 Glc Lab Xyl Lab Arb Lab Glc (Demo) Xyl (Demo) Arb (Demo) Lab Glc Lab Xyl Lab EtOH Demo Glc Demo Xyl Demo EtOH Process scalability is being proven at DCE s Demonstration plant Process performance is tracking well with commercialization targets Process design data is developed for DCE s commercial plant
Demonstration Plant Current Performance Demo Performance Commercial Targets Stover: 2011 Fall Harvest* Glucan % 36 37 Xylan % 22 23 Sugar Release, % Glucose 80 85 Xylose 80 85 Fermentation Conversion, % Glucose 96 96 Xylose 96 96 Ethanol Yield, G/T** 75-80 80 Enzyme Generation Gen2 Gen 3 * Preliminary Data ** Theoretical Yield, 104 G/T
Creating a Scalable and Sustainable Supply Chain Farmer Contracts Biomass Collection Storage Transport Preprocessing & Delivery Large-scale test harvest validations Agronomic understanding Conversion Technology Multi-year grower involvement Commercial equipment Storage quality and stability tests Collaboration and credibility Economics Sustainability Establish Best Practices 13
Field Experience Success Stories
Quantifying Environmental Impacts Life Cycle Assessment DCE technology provides >100% GHG reduction (g CO2 eq/mj) compared to conventional gasoline Compilation of environmental impacts along the value chain Holistic approach to evaluate impact of all upstream and downstream products and processes LCA ISO standards 14040 series - only standardized method to evaluate the environmental footprint of the whole supply chain
DuPont Technology Advantages Feedstock Pretreatment Saccharification Fermentation Integrated Process Three years of field harvest experience Validated sustainable supply chain model Extensive agronomic data on the impact of stover removal Mild processing conditions Minimal byproduct formation and no need to detoxify streams Low cost of MOC High solids loading High sugar yield/titers Low enzyme loading C5/C6 utilization Single fermentation vessel for C5/C6 cofermentation Efficient sugar conversion High ethanol titer (7-9 wt%) Water recycle and zero process water discharge Low operating & capital costs By-product use as fuel Fewer number of unit operations Optimized, Integrated Unit Operations All Key Technologies Within One Company Copyright 2013 DuPont. All rights reserved. 16
DuPont Cellulosic Ethanol Commercialization Project DuPont is building the largest commercial CE biorefinery in the world located in Nevada, IA Feedstock: corn stover Groundbreaking: November 2012 Startup: 3 rd quarter 2014 Conducted larger corn stover test harvest in 2012 around Nevada facility
More info: biofuels.dupont.com
DuPont offers an integrated Cellulosic Ethanol solution that is economic, efficient, sustainable, and backed by DuPont science and know-how.
Contact DuPont Cellulosic Ethanol http://biofuels.dupont.com/cellulosic-ethanol/ North America/Europe: Ken Hill +1-302-695-3677 Asia Pacific: Feng Han +1-302-695-3676 Latin America: René Molina +1-302-695-7067