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33 comments on Coal rank and thoughts on EROEI

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Boldtswagon on February 6, 2006 - 3:32am Permalink | Subthread | Comments top
Anthracite is 22 to 28 million Btu per ton:

http://www.coal.org/facts/types.htm

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Heading Out on February 6, 2006 - 11:55am Permalink | Subthread | Parent | Comments top
I wanted to find a reliable number that I could give a web reference to, but got different numbers at different sites, and did not pursue it far enough. The UK has one table. I did not have time to work out why some sites such as this one cited a lower value for the calorific value of anthracite over bituminous, and so just gave the references.
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TJ on February 6, 2006 - 1:40pm Permalink | Subthread | Parent | Comments top
Bituminous is all over the map, depending on what the volatiles are.  That may be the reason.
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33 comments on Coal rank and thoughts on EROEI

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