Feature changes of mercury during the carbonation of FGD gypsum from different sources

Feature changes of mercury during the carbonation of FGD gypsum from different sources Fuel 212 (2018) 19–26 Contents lists available at ScienceDirect Fuel journal homepage: www.elsevier.com/locate/fuel Full Length Article Feature changes of mercury during the carbonation of FGD gypsum from different sources a, b b a a Tan Wenyi , Gu Suping , Xia Wei , Li Youxu , Zhang Zixin Environment Engineering School, Nanjing Institute of Technology, Nanjing 211167, PR China Nanjing Huaneng Power Int'l Inc, 210044, PR China GR APHICAL A BSTRACT ARTICLE I NFO ABSTRACT Keywords: Flue gas desulfurization gypsum (FGDG), as byproducts in power plants, is produced in large quantities. A novel Flue gas desulfurization gypsum (FGDG) technology to recycle FGDG in carbonation process has recently been found. However, the potential hazards to Heavy metals human health and to environment originated from heavy metals residual in FGDG have to be considered in the Mercury recycled process. In this study, six FGDG samples (denoted as S1-S6) from coal-fired power plants equipped with CO sequestration different FGD configurations were collected. Heavy metal contents in six original FGDG samples and in their corresponding solid products after carbonation were determined by ICP-OES and cold vapor atomic fluorescence spectrometer (CVAFS). As one of toxic heavy metals present in FGDG, Hg speciation variations induced http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Fuel Elsevier

Feature changes of mercury during the carbonation of FGD gypsum from different sources

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Publisher
Elsevier
Copyright
Copyright © 2017 Elsevier Ltd
ISSN
0016-2361
D.O.I.
10.1016/j.fuel.2017.09.119
Publisher site
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Abstract

Fuel 212 (2018) 19–26 Contents lists available at ScienceDirect Fuel journal homepage: www.elsevier.com/locate/fuel Full Length Article Feature changes of mercury during the carbonation of FGD gypsum from different sources a, b b a a Tan Wenyi , Gu Suping , Xia Wei , Li Youxu , Zhang Zixin Environment Engineering School, Nanjing Institute of Technology, Nanjing 211167, PR China Nanjing Huaneng Power Int'l Inc, 210044, PR China GR APHICAL A BSTRACT ARTICLE I NFO ABSTRACT Keywords: Flue gas desulfurization gypsum (FGDG), as byproducts in power plants, is produced in large quantities. A novel Flue gas desulfurization gypsum (FGDG) technology to recycle FGDG in carbonation process has recently been found. However, the potential hazards to Heavy metals human health and to environment originated from heavy metals residual in FGDG have to be considered in the Mercury recycled process. In this study, six FGDG samples (denoted as S1-S6) from coal-fired power plants equipped with CO sequestration different FGD configurations were collected. Heavy metal contents in six original FGDG samples and in their corresponding solid products after carbonation were determined by ICP-OES and cold vapor atomic fluorescence spectrometer (CVAFS). As one of toxic heavy metals present in FGDG, Hg speciation variations induced

Journal

FuelElsevier

Published: Jan 15, 2018

References

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