STP946

    Erosivity of Coal Particles in Coal-Solvent Slurries

    Published: Jan 1987


      Format Pages Price  
    PDF Version (272K) 16 $25   ADD TO CART
    Complete Source PDF (4.7M) 16 $55   ADD TO CART


    Abstract

    An investigation of the erosivity of particles of several different coals and respective vacuum bottoms from the Exxon Donor Solvent (EDS) coal liquefaction pilot plant of the Exxon Coal Liquefaction Process (ECLP) was carried out. Kerosene and tetrahydrofuran (THF) were used as the liquids in slurries containing 30 weight % particles. The particles were of several sizes, shapes, integrities (fracture strength), and ash contents. It was determined that the primary factors having a direct effect on erosivity were particle size and ash content/composition. Particle shape and resistance to fracturing upon impact had important secondary effects. All of these factors are interrelated and can counter each other under certain conditions. Slurry pot testing proved valuable as a reproducible method for comparative erosion studies, but should not be relied upon to produce quantitative erosion data for equipment design purposes.

    Keywords:

    erosion, coal slurry, coal liquefaction, wear


    Author Information:

    Levy, AV
    University of California, Berkeley, CA

    Jee, N
    University of California, Berkeley, CA

    Sorell, G
    Exxon Research & Engineering Co., Florham Park, NJ


    Paper ID: STP19416S

    Committee/Subcommittee: G02.10

    DOI: 10.1520/STP19416S


    CrossRef ASTM International is a member of CrossRef.