• Login
    View Item 
    •   SMARTech Home
    • Institute of Paper Science and Technology (IPST)
    • Masters Research Final Reports
    • View Item
    •   SMARTech Home
    • Institute of Paper Science and Technology (IPST)
    • Masters Research Final Reports
    • View Item
    JavaScript is disabled for your browser. Some features of this site may not work without it.

    Gasification of Black Liquor with the Addition of Secondary Sludge

    Thumbnail
    View/Open
    Hammond.Thesis.pdf (615.7Kb)
    Date
    2002-04-15
    Author
    Hammond, David
    Metadata
    Show full item record
    Abstract
    The effects of secondary sludge addition on black liquor gasification were studied. Additions of 0, 5, 10, and 15% secondary sludge solids to hardwood black liquor solids were considered. Gasification temperatures were 700 and 900°C. Residence times were 0.2, 0.7, and 1.2 seconds. Gasification was performed in a laminar entrained flow reactor. Although both amount and rate of organic carbon conversion increased with temperature, the percentage of sludge addition did not affect percent of feed carbon recovered as organic carbon. Isobutyl and ethyl mercaptan, as well as carbon disulfide, were not produced in reportable quantities. Recoveries were expressed on a percentage-of-feed-element basis. Recovery of sulfur in char was higher for the 100/0 (black liquor/secondary sludge) feed than for the 85/15 feed. Recoveries of H2S were higher for purer (less sludge added) feed stocks for all experiments except those performed 900°C/1.2 seconds residence time. Recoveries of methyl mercaptan, n-propyl mercaptan, carbon disulfide, and ammonia were relatively independent of sludge addition. Recoveries in char of magnesium, vanadium, and aluminum were higher for the 85/15 feed stock.
    URI
    http://hdl.handle.net/1853/13172
    Collections
    • Masters Research Final Reports [5]

    Browse

    All of SMARTechCommunities & CollectionsDatesAuthorsTitlesSubjectsTypesThis CollectionDatesAuthorsTitlesSubjectsTypes

    My SMARTech

    Login

    Statistics

    View Usage StatisticsView Google Analytics Statistics
    facebook instagram twitter youtube
    • My Account
    • Contact us
    • Directory
    • Campus Map
    • Support/Give
    • Library Accessibility
      • About SMARTech
      • SMARTech Terms of Use
    Georgia Tech Library266 4th Street NW, Atlanta, GA 30332
    404.894.4500
    • Emergency Information
    • Legal and Privacy Information
    • Human Trafficking Notice
    • Accessibility
    • Accountability
    • Accreditation
    • Employment
    © 2020 Georgia Institute of Technology