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    PYROLYTIC CONVERSION OF WASTE BIO-MASS TO JET FUEL

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    Author
    Matalgah, Abdullah Qasem
    Issue Date
    2018
    Advisor
    Ogden, Kimberly
    
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    Publisher
    The University of Arizona.
    Rights
    Copyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.
    Abstract
    Using the fast pyrolysis technique, 29 million-MT/yr of guayule bagasse left from bio-rubber extraction plant is converted to bio-oil. In fast pyrolysis, the guayule is treated at 400-580 C for short time; then, it is quickly cooled to 175 C. Then, the bio-oil enters a series of packed-bed reactors for upgrading. The upgrading process (Hydrodeoxygenation) reduces the oxygen mass fraction in bio-oil from 0.52 to 0.14 under extreme conditions (400 C and 200atm) using Pt/Al2O3 catalyst and hydrogen gas. Finally, the upgraded bio-oil goes to fractionation/distillation to be separated into bio-fuels where the main focus is jet-fuel. As a result, 30 million-gallons/yr of jet fuel are produced. Also, the process is cost effective with total capital investment of 350 million and 96 million production cost while the total revenue per year is 174 million. In addition, the production environmental impact is reduced by 325,000 MT-CO2/year because of the steam reforming process. The gas and liquid side streams of hydrodeoxygenation and fractionation have a small percentage of light hydrocarbons and hydrogen gas where it is inefficient to recover them. Therefore, using steam reforming process, the light hydrocarbons and H2 gas are recovered as 99% pure hydrogen, so the whole plant will yield 542,000 MT-CO2/year.
    Type
    text
    Electronic Thesis
    Degree Name
    B.S.
    Degree Level
    bachelors
    Degree Program
    Honors College
    Chemical Engineering
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    Honors Theses

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