Chemical Properties of Various Chimney Ejecting Fly Ashes
- Authors
- Hwang, Kyung-Chul; Ma, Chang-Jin; Kim, Ki-Hyun
- Issue Date
- Jul-2016
- Publisher
- SPRINGER INTERNATIONAL PUBLISHING AG
- Keywords
- Fly ash; Fixed source; Chemical property; Water soluble OC; Health effects
- Citation
- WATER AIR AND SOIL POLLUTION, v.227, no.7, pp.1 - 12
- Indexed
- SCIE
SCOPUS
- Journal Title
- WATER AIR AND SOIL POLLUTION
- Volume
- 227
- Number
- 7
- Start Page
- 1
- End Page
- 12
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/5007
- DOI
- 10.1007/s11270-016-2952-6
- ISSN
- 0049-6979
- Abstract
- For the purpose of clarifying the chemical nature of fly ashes, the raw fly ashes were collected from the stacks of 17 fixed sources consisting of 15 municipal waste incinerators, a metal melting factory, and a cement plant all of which are located in the western Japan from Nov. 2000 to Jan. 2007. The municipal waste incinerators were successfully classified into four groups in terms of the relative mass ratios between chloride, potassium, and sodium. Sodium, potassium, and calcium were found abundantly in fly ashes collected from all four types of municipal waste incinerators. The theoretical estimation of chlorine form suggested that the form of NaCI, KCl, MgCl, and CaCl2 accounted for approximately 55 % of total chlorine in raw fly ash. Trace heavy metals (i.e., Zn, Mn, Pb, Cu, Cr, Ni, and V) were preferentially enriched in the ambient PM2.5 which was strongly influenced by regional stationary sources (including municipal waste incinerators). The water-soluble OC to TC fraction in the fly ashes of municipal waste incinerator, metal furnace, and cement plant was estimated as 56.8, 79.0, and 89.6 %, respectively.
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