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http://dx.doi.org/10.4491/KSEE.2016.38.2.96

Characterization of Fly Ash Produced from a Sewage Sludge Incineration Facility in Korea  

Kim, Seong-beom (Department of Environmental Engineering, Kumoh National Institute of Technology)
Lee, Wontae (Department of Environmental Engineering, Kumoh National Institute of Technology)
Publication Information
Abstract
This study characterized fly ash produced from a sewage sludge incineration facility in Korea to determine if the byproducts can be utilized. All the incinerated sewage sludge was from a city in Korea. To characterize fly ash and to determine if it can be utilized, pH, water contents, elemental components, particle size, surface morphology, heavy metal compositions, and others were analyzed. In average, pH was 6.2, and water contents was about 5%. T-N and $T-P_2O_5$ were 3% and 24.5%, respectively. Particle size averaged 836 nm; surface morphology did not exhibit any significant results. X-ray diffraction (XRD) analysis results revealed that major components of the fly ash were $P_2O_5$, CaO, MgO, $K_2O$. Composition of heavy metals by the Korea Standard Methods for Waste Quality did not exceed the criteria for specified wastes in Korea.
Keywords
Sewage Sludge; Incineration; Fly Ash; Recycling;
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Times Cited By KSCI : 3  (Citation Analysis)
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