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The Second China Energy Scientist Forum (CESF 2010 E-BOOK)

Xuzhou,China,10.18-10.19，2010

ISBN: 978-1-935068-37-2 Scientific Research Publishing, USA

E-Book 2244pp Pub. Date: October 2010

Category: Medicine & Healthcare

Price: $360

Title: Influence of Mineral Matter on Photo-Oxidation of Shenfu Coal
Source: The Second China Energy Scientist Forum (CESF 2010 E-BOOK) (pp 267-270)
Author(s): Yating Zhang, College of Chemistry and Chemical Engineering Xi’an University of Science and Technology Xi’an 710054, China
Wei Zhao, College of Chemistry and Chemical Engineering Xi’an University of Science and Technology Xi’an 710054, China
Guangheng Wang, College of Chemistry and Chemical Engineering Xi’an University of Science and Technology Xi’an 710054, China
Youmei Chen, College of Chemistry and Chemical Engineering Xi’an University of Science and Technology Xi’an 710054, China
Anning Zhou, College of Chemistry and Chemical Engineering Xi’an University of Science and Technology Xi’an 710054, China
Abstract: The oxidation processes of demineralized Shenfu coal under UV-irradiation were investigated in this paper. The oxidation products were characterized by chemical analysis, ultimate analysis, FTIR, GC/MS and solvent extraction. The results showed that the total humic acid content of photo-oxidation products of demineralized Shenfu coal was less than that of row coal. With the photo-oxidation time extention, the total humic acid content increased and reached maximum at 8 hours. The acetone and tetrahydrofuran extraction yields of demineralized coal oxidizing with oxygen under UV were about two times less than that of raw coal. The benzene ring in demineralized Shenfu coal probably was selective oxidized during photocatalytic oxidation. Furthermore, GC/MS analysis indicated that the branched paraffin and terpenoids derivatives in Shenfu raw coal were easier to be oxidized.
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