Elucidating the mechanism of Cr(VI) formation upon the interaction with metal oxides during coal oxy-fuel combustion

•The presence of Ca2+/K+ oxide in coal favored the enrichment of toxic Cr(VI) in coal combustion derived fly ash.•Fe2O3 and MgO in coal are critical on the inhibition of Cr(VI) formation during coal combustion.•Cr(VI) formation extent is correlated positively with the standard reduction potential of...

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Veröffentlicht in:	Journal of hazardous materials 2013-10, Vol.261, p.260-268
Hauptverfasser:	Chen, Juan, Jiao, Facun, Zhang, Lian, Yao, Hong, Ninomiya, Yoshihiko
Format:	Artikel
Sprache:	eng
Schlagworte:	Adsorption Applied sciences Atmospheric pollution Chemical engineering Chromium - chemistry Coal Coal Ash - chemistry Cr capture Cr(VI) Environmental Pollutants - chemistry Exact sciences and technology General processes of purification and dust removal Oxides - chemistry Oxy-fuel combustion Pollution Prevention and purification methods Reactors Thermodynamics XANES
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