Analysis of Extraction of Coal Oxidation Residue in NaOCl

Gui Zhen Gong; Ji Ming Chu; Xian Yong Wei; Zhi Min Zong

doi:10.4028/www.scientific.net/AMR.724-725.1103

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 724-725Analysis of Extraction of Coal Oxidation Residue...

Analysis of Extraction of Coal Oxidation Residue in NaOCl

Abstract:

Sequential extraction of four coal oxidation residues (COR) from aqueous NaOCl solution with petroleum ether (PE), carbon disulfide (CS₂), acetone and methanol were investigated. The results suggest that methanol is an effective extraction solvent, giving the highest extraction yields for four COR. The extraction fractions were analyzed by GC/MS. It is found that no compounds, except for F₁ of HL and XL , F₂ of four COR, were detected. In total, 89 organic compounds were detected in F₁ of HL and XL, 23 organic compounds in F₂ from four COR. Most of which were arenes (As), normal alkanes (NAs) and oxygen-containing compounds (OCCs).

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Periodical:

Advanced Materials Research (Volumes 724-725)

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1103-1106

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https://doi.org/10.4028/www.scientific.net/AMR.724-725.1103

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Online since:

August 2013

Authors:

Gui Zhen Gong, Ji Ming Chu, Xian Yong Wei, Zhi Min Zong

Keywords:

Coal Oxidation Residue, Extraction, GC/MS Analysis

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