Direct identification of hazardous elements in ultra-fine and nanominerals from coal fly ash produced during diesel co-firing
- PMID: 24157478
- DOI: 10.1016/j.scitotenv.2013.10.007
Direct identification of hazardous elements in ultra-fine and nanominerals from coal fly ash produced during diesel co-firing
Abstract
This study has provided an initial assessment of the environmental impacts and potential health effects associated with coal fly ash produced during diesel co-firing. Many hazardous elements that are typically detected by multifaceted chemical characterization by XRD, petrology, FE-SEM/EDS, and HR-TEM/SEAD/FFT/EDS in ultra-fine compounds and nanominerals from the co-fired coal fly ashes (CFAs). It provided an in-depth understanding of coal ash produced during diesel co-firing. Several of the neoformed ultra-fine compounds and nano-minerals found in the coal ashes are the same as those commonly associated with oxidation/transformation of aluminosilicates, carbonates, sulphides and phosphates.
Keywords: Fly ash; Hazardous elements; Human health exposure; Nanominerals.
© 2013.
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