Ethanol Video Narasi Sridhar November 17, 2008
About the Speaker <ul><li>Materials engineer </li></ul><ul><li>Director of the DNV Research & Innovation Materials Program...
Need for biofuel
Alcohol Based Biofuels 3 rd  Generation 2 nd  Generation 1 st  Generation Cellulosic Ethanol Other alcohols Cellulosic Eth...
Diesel Based Biofuels 3 rd  Generation 2 nd  Generation 1 st  Generation Biodiesel, Algae Oil Fischer-Tropsch Diesel Biodi...
U.S. Ethanol Production Locations Most of the ethanol is produced in the Nation’s heartland, whereas 80 percent of populat...
Transportation Volumes One 16” pipeline can take continuous flows on a daily basis equal to 15 barges From AOPL, 2007
Piping Failures in Terminals Oxygen is the most important factor in causing SCC Chloride and methanol are secondary factor...
A Staged Approach to Address Challenges
Key Challenges Facing Ethanol Transportation in Pipelines <ul><li>Quantifying and managing risk </li></ul><ul><li>Making t...
What is DNV doing <ul><li>Industry and government program to define safe operating regimes for transporting fuel grade eth...
Future <ul><li>Risk management </li></ul><ul><li>Technology qualification </li></ul><ul><li>Sustainability assessment </li...
 
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Ethanol & Biofuels

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After discussing the need and options for biofuels, Dr. Narasi Sridhar explains the issues and challenges with transporting ethanol and other biofuels, as well as the work DNV is doing to resolve some of these issues.

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  • Ethanol & Biofuels

    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>
    3. 3. Need for biofuel
    4. 4. Alcohol Based Biofuels 3 rd Generation 2 nd Generation 1 st Generation Cellulosic Ethanol Other alcohols Cellulosic Ethanol Other alcohols Ethanol Other alcohols Product Advanced Enzyme Treatment, Fermentation, Distillation Enzyme Treatment, Fermentation, Distillation Fermentation and Distillation Process Transgenic Materials (low lignin trees) Agriculture/food processing wastes Grasses Other cellulocic materials Sugar Starch Feedstock
    5. 5. Diesel Based Biofuels 3 rd Generation 2 nd Generation 1 st Generation Biodiesel, Algae Oil Fischer-Tropsch Diesel Biodiesel (FAME) Unprocessed vegetable oils Product Advanced Processing of Algae Fischer-Tropsch biomass to liquid process Trans esterification with methanol Process Algae Agricultural/food processing wastes Oil seeds, food processing fats and oils Feedstock
    6. 6. U.S. Ethanol Production Locations Most of the ethanol is produced in the Nation’s heartland, whereas 80 percent of population lives near its coastlines
    7. 7. Transportation Volumes One 16” pipeline can take continuous flows on a daily basis equal to 15 barges From AOPL, 2007
    8. 8. Piping Failures in Terminals Oxygen is the most important factor in causing SCC Chloride and methanol are secondary factors Water above 6 percent prevents cracking Leak
    9. 9. A Staged Approach to Address Challenges
    10. 10. 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>From, Ethanol Roadmap Workshop, October 25-26, 2007
    11. 11. 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>
    12. 12. Future <ul><li>Risk management </li></ul><ul><li>Technology qualification </li></ul><ul><li>Sustainability assessment </li></ul>

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