Ethanol

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  • Ethanol

    1. 1. Ethanol Video Narasi Sridhar November 17, 2008
    2. 2. About the Speaker <ul><li>Materials engineer </li></ul><ul><li>Director of the DNV Research & Innovation Materials Program </li></ul><ul><li>Over 25 years experience in areas of materials development, corrosion and sensors </li></ul><ul><li>Worked with oil and gas, chemical process, and nuclear industries </li></ul><ul><li>Involved in the last 4 years on biofuel corrosion and stress corrosion cracking issues </li></ul>© Det Norske Veritas AS. All rights reserved Slide 7 June 2009
    3. 3. Need for biofuel © Det Norske Veritas AS. All rights reserved Slide 7 June 2009
    4. 4. Need for biofuel © Det Norske Veritas AS. All rights reserved Slide 7 June 2009
    5. 5. Alcohol Based Biofuels © Det Norske Veritas AS. All rights reserved Slide 7 June 2009 1 st Generation 2 nd Generation 3 rd Generation Feedstock Sugar Starch Agriculture/food processing wastes Grasses Other cellulocic materials Transgenic Materials (low lignin trees) Process Fermentation and Distillation Enzyme Treatment, Fermentation, Distillation Advanced Enzyme Treatment, Fermentation, Distillation Product Ethanol Other alcohols Cellulosic Ethanol Other alcohols Cellulosic Ethanol Other alcohols
    6. 6. Diesel Based Biofuels © Det Norske Veritas AS. All rights reserved Slide 7 June 2009 1 st Generation 2 nd Generation 3 rd Generation Feedstock Oil seeds, food processing fats and oils Agricultural/food processing wastes Algae Process Trans esterification with methanol Fischer-Tropsch biomass to liquid process Advanced Processing of Algae Product Biodiesel (FAME) Unprocessed vegetable oils Fischer-Tropsch Diesel Biodiesel, Algae Oil
    7. 7. U.S. Ethanol Production Locations © Det Norske Veritas AS. All rights reserved Slide 7 June 2009 Most of the ethanol is produced in the Nation’s heartland, whereas 80 percent of population lives near its coastlines
    8. 8. Transportation Volumes © Det Norske Veritas AS. All rights reserved Slide 7 June 2009 One 16” pipeline can take continuous flows on a daily basis equal to 15 barges From AOPL, 2007
    9. 9. Piping Failures in Terminals © Det Norske Veritas AS. All rights reserved Slide 7 June 2009 Oxygen is the most important factor in causing SCC Chloride and methanol are secondary factors Water above 6 percent prevents cracking Leak
    10. 10. A Staged Approach to Address Challenges © Det Norske Veritas AS. All rights reserved Slide 7 June 2009
    11. 11. Key Challenges Facing Ethanol Transportation in Pipelines <ul><li>Quantifying and managing risk </li></ul><ul><li>Making the business case for new construction or dedicated lines </li></ul><ul><li>Achieving operating efficiency with new product mixes </li></ul><ul><li>Finding new materials solutions </li></ul><ul><li>Learning from Brazilian experiences </li></ul><ul><li>Investing under Changing regulations </li></ul><ul><li>Understanding potential environmental threats </li></ul><ul><li>Improving coordination and communication </li></ul>© Det Norske Veritas AS. All rights reserved Slide 7 June 2009 From, Ethanol Roadmap Workshop, October 25-26, 2007
    12. 12. What is DNV doing <ul><li>Industry and government program to define safe operating regimes for transporting fuel grade ethanol </li></ul><ul><ul><li>Effect of blending </li></ul></ul><ul><ul><li>Effect of batching </li></ul></ul><ul><ul><li>Adding inhibitors and oxygen scavengers </li></ul></ul><ul><ul><li>Elastomeric materials </li></ul></ul><ul><li>Developing monitoring methods to provide advanced warning of conditions leading to SCC </li></ul><ul><li>Collaborative research with universities to understand the fundamental mechanisms of cracking </li></ul>© Det Norske Veritas AS. All rights reserved Slide 7 June 2009
    13. 13. Future <ul><li>Risk management </li></ul><ul><li>Technology qualification </li></ul><ul><li>Sustainability assessment </li></ul>© Det Norske Veritas AS. All rights reserved Slide 7 June 2009
    14. 14. © Det Norske Veritas AS. All rights reserved Slide 7 June 2009
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