Application of methods (sequential extraction procedures and high-pressure digestion method) to fly ash particles to determine the element constituents: a case study for BCR 176

Journal of Hazardous Materials
Cheng-Yuan ChangHung-Lung Chiang

Abstract

Sequential extraction procedures and the high-pressure digestion method were selected to determine the element constituents of fly ash samples. Sequential extraction is one of the most useful methods used to measure the various elements from municipal solid waste incineration ash and contaminated soils. The extract from each step is analyzed using various techniques and equipment, and the results are then evaluated. In this work, a six-step extraction procedure modified from that of Tessier et al. and Wang et al. was performed and applied to the certified reference material BCR 176 (city waste incineration ash). Analyses were carried out by various techniques such as inductively coupled plasma atomic emission spectrometry (ICP-AES), inductively coupled plasma-mass spectrometry (ICP-MS), scanning electron microscopy/energy-dispersive X-ray spectroscopy (SEM/EDX), and X-ray powder diffraction (XRPD) to evaluate the characteristics of fly ash. The extraction efficiency of many elements was higher than 80%, and the relative standard deviations (RSD) for recovery of most elements were within 10%. In addition, an H(2)O(2)+HNO(3)+HF mixed acid digestion solution processed using a low-temperature evaporation procedure was selected as t...Continue Reading

References

Aug 2, 2003·Waste Management·K SuksankraisornB Fungtammasan
Jun 5, 2004·Journal of Hazardous Materials·Elisabeth NeyensBart De heyder
Jun 28, 2005·Waste Management·Bernard LudwigFriedrich Beese
Jul 5, 2005·Journal of Hazardous Materials·I-Hsien LeeJia-Ming Chern

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Citations

Oct 4, 2014·Waste Management·Xinying LiYang Yu
Sep 29, 2018·Environmental Science. Processes & Impacts·Ross K TaggartHeileen Hsu-Kim
May 2, 2019·Environmental Science and Pollution Research International·Zhenghui PhuaWun Jern Ng
Apr 5, 2017·Journal of Environmental Sciences (China)·Yu-Hui XuHelmut Brandl

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