R70 relationships and their interpretation at a mine site

Beamish, B. B., Blazak, D.G., Hogarth, L. C. S. and Jabouri, I. (2005). R70 relationships and their interpretation at a mine site. In: Coal 2005 : 6th Australasian coal operators' conference ; [moving technology - maintaining competence] ; [proceedings]. Coal 2005: 6th Australasian Coal Operators’ Conference, Brisbane, Australia, (183-185). 26-28 April 2005.


Author Beamish, B. B.
Blazak, D.G.
Hogarth, L. C. S.
Jabouri, I.
Title of paper R70 relationships and their interpretation at a mine site
Formatted title
R70 relationships and their interpretation at a mine site
Conference name Coal 2005: 6th Australasian Coal Operators’ Conference
Conference location Brisbane, Australia
Conference dates 26-28 April 2005
Convener Australasian Institute of Mining and Metallurgy
Proceedings title Coal 2005 : 6th Australasian coal operators' conference ; [moving technology - maintaining competence] ; [proceedings]
Journal name COAL 2005: 6th Australasian Coal Operators' Conference
Place of Publication Victoria, Australia
Publisher The Australasian Institute of Mining and Metallurgy
Publication Year 2005
Sub-type Fully published paper
ISBN 1920806261
9781920806255
1920806253
Volume 2005
Issue 2
Start page 183
End page 185
Total pages 3
Collection year 2005
Language eng
Formatted Abstract/Summary
The R70 test is a good indicator of coal reactivity to oxygen and is commonly used to provide a rating of propensity for self-heating. Tests performed by The University of Queensland Spontaneous Combustion Testing Laboratory have resulted in the development of a large database that shows the impact of coal quality on this parameter. From these results it is possible to infer an R70 value, which can be used to gain an appreciation of the intrinsic coal reactivity before it is even tested. However, any interpretation of R70 values must consider the influences of coal rank, mineral matter and moisture content to provide a better understanding of the spontaneous combustion risk of a particular coal.
Subjects E1
290701 Mining Engineering
650202 Coal
Keyword R70 test
coal reactivity
oxygen
coal self-heating process
Q-Index Code E1
Additional Notes Book Series: AUSTRALASIAN INSTITUTE OF MINING AND METALLURGY PUBLICATION SERIES Volume: 2005 Issue: 2

 
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Created: Thu, 23 Aug 2007, 20:28:54 EST