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Metal Behavior During Vitrification of Incinerator Ash in a Coke Bed Furnace by Yi-Ming Kuo; Ta-Chang Lin; Perng-Jy Tsai is a Environmental Science article available to read on EtoBox.
What is Metal Behavior During Vitrification of Incinerator Ash in a Coke Bed Furnace about?
In this study, municipal waste incinerator ash was vitrified in a coke bed furnace system and the behavior of metals was investigated. Coke and lime were added to provide heat which facilitated vitrification. Ash contributed more than 90% of metal (except for Ca) input-mass. Metal species with low boiling points accounted for the major fraction of their input-mass adsorbed by air pollution control devices (APCDs) fly ash. Among the remaining metals, those species with light specific weights in this furnace tended to be encapsulated in slag, while heavier species were mainly discharged by ingot. Meanwhile, the leachability of hazardous metals in slag was significantly reduced. The distribution index (DI) was defined and used as an index for distribution of heavy metals in the system. A high DI assures safe slag reuse and implies feasibility of recovering hazardous heavy metals such as Cr, Cu, Fe, Pb and Zn. The vitrification in a coke bed furnace proved to be a useful technology for the final disposal of MSW incinerator ash. The heavy metals are separated into the slag, ingot and fly ash, allowing safe reuse of the slag and possible recovery of the metals contained in the ingot and
Who reads Metal Behavior During Vitrification of Incinerator Ash in a Coke Bed Furnace?
It is typically read by researchers, students, and practitioners in Environmental Science.
- Author
- Yi-Ming Kuo; Ta-Chang Lin; Perng-Jy Tsai
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0304-3894)
- Published
- 2004
- Language
- EN
- Field
- Environmental Science (Physical Sciences)