Origin and occurrence of selenium in some Australian coals

被引：19
|
作者：
Riley, K. W.
French, D. H.
Lambropoulos, N. A.
Farrell, O. P.
Wood, R. A.
Huggins, F. E.
机构：
[1] CSIRO Energy Technol, Menai, NSW 2234, Australia
[2] CSIRO Energy Technol, Newcastle, NSW 2300, Australia
[3] Univ Kentucky, CME CFFS, Lexington, KY 40506 USA
来源：
INTERNATIONAL JOURNAL OF COAL GEOLOGY | 2007年 / 72卷 / 02期
关键词：
coal; selenium; selenoprotein; speciation; sulfur;
D O I：
10.1016/j.coal.2006.12.010
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The analyses are reported of six Australian coals for mineral type and content, B, Se speciation (by selective leaching) and S speciation (by selective leaching and XANES) together with XANES data for Se in one coal (from a marine sequence). The results of these analyses and of thermodynamic calculations of thiophenes and Se analogues are used to suggest that selenoprotein structures in coal's precursors (bacteria and algae and possibly higher plants) make Se bonding in coal unique from that of the other trace elements. Crown Copyright (C) 2007 Published by Elsevier B.V. All rights reserved.
引用
收藏
页码：72 / 80
页数：9
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