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Energy Sources, Part A: Recovery, Utilization, and Environmental Effects Volume 36, 2014 - Issue 23
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Original Articles

A Study on Aminolysis of Xianfeng Lignite by Ethanolamine and Characteristics of Aminolysis Products

Z. P. LeiSchool of Chemistry and Chemical Engineering, Anhui Key Laboratory of Coal Clean Conversion and Utilization, Anhui University of Technology, Ma'anshan, Anhui Province243002, ChinaCorrespondence[email protected]
,
L. WuSchool of Chemistry and Chemical Engineering, Anhui Key Laboratory of Coal Clean Conversion and Utilization, Anhui University of Technology, Ma'anshan, Anhui Province243002, China
,
L. J. GaoSchool of Chemistry and Chemical Engineering, Anhui Key Laboratory of Coal Clean Conversion and Utilization, Anhui University of Technology, Ma'anshan, Anhui Province243002, China
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H. F. ShuiSchool of Chemistry and Chemical Engineering, Anhui Key Laboratory of Coal Clean Conversion and Utilization, Anhui University of Technology, Ma'anshan, Anhui Province243002, China
,
Z. C. WangSchool of Chemistry and Chemical Engineering, Anhui Key Laboratory of Coal Clean Conversion and Utilization, Anhui University of Technology, Ma'anshan, Anhui Province243002, China
,
S. G. KangSchool of Chemistry and Chemical Engineering, Anhui Key Laboratory of Coal Clean Conversion and Utilization, Anhui University of Technology, Ma'anshan, Anhui Province243002, China
&
S. B. RenSchool of Chemistry and Chemical Engineering, Anhui Key Laboratory of Coal Clean Conversion and Utilization, Anhui University of Technology, Ma'anshan, Anhui Province243002, China
 show all
Pages 2629-2634 | Received 14 Feb 2011, Accepted 11 Mar 2011, Published online: 11 Nov 2014
 
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Abstract

A Xianfeng lignite was aminolyzed with a series of amines at 200°C within 1 h. Ethanolamine was found to be a superior solvent for lignite aminolysis under mild conditions. Up to ca. 77 wt% of a Xianfeng lignite could be dissociated with ethanolamine. Solvent-extraction components of aminolysis products of Xianfeng lignite with ethanolamine are mainly water insoluble fractions, water soluble fractions-acetone insoluble, and water soluble fractions-acetone soluble. Water insoluble, water soluble fractions-acetone soluble, and water soluble fractions-acetone insoluble mainly contain about 1 to 2 rings, 2 to 3 rings, and 1 to 4 rings aromatic structure, respectively.

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