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Student Number 85326001
Author Chi-Chang Tsai(ҩ)
Author's Email Address No Public.
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Department Graduate Institute of Environmental Engineering
Year 1997
Semester 2
Degree Master
Type of Document Master's Thesis
Language zh-TW.Big5 Chinese
Title Chloride Effects on Multi-Metal Speciation and Partition in Waste Incineration
Date of Defense
Page Count 129
Keyword
  • Heavy Metal
  • Incineration
  • Molar ratio of Cl/Metal
  • Partition
  • Abstract The effect of PVC and FCl3 on the heavy metal speciation
    and partition in a multi-metal incineration system (Cd, Cr, Cu
    and Zn) were investigated by using a tubular furnance and
    chlorides-spiked simulated wastes considering molar ratio of
    chloride to metal (Cl/M ratio) in the wastes as parameter.The
    results indicated that the predominant species in fly ash were
    metal chlorides (i.e. NaCl and KCl) at the molar ratio ranged
    from 3 to 200. In addition, the CdCl2 can also be found at a
    higher Cl/M ratio. However, regardless of wether PVC or FeCl3
    was spiked, the species found in bottom ash were mainly MgSiO3,
    MgO, and Ca3Al2O6. Moreover, in the case spiked with FeCl3, Fe2
    O3 was identified, and at higher Cl/M ratio, the formation of
    FeCr2O4 and CuFe2O4 were also recognized. As Cl/M ratio
    increased, the partition of heavy metal trended to shift from
    the bottom ash to fly ash depending on the affinity of metal to
    chlorine. In general, FeCl3 was demonstrated to be more
    significant on the effect as compared with PVC. The increased
    Cl/M ratio also enhanced the potential of HCl formation.
    Table of Content
    Reference
    Advisor
  • Wang Kuen-Sheng(˥)
  • Files No Any Full Text File.
    Date of Submission

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