User:Milton Beychok/Sandbox: Difference between revisions
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|Anthracitic<br><br><br>||Metaanthracite<sup> (d)</sup><br>Anthracite<sup> (d)</sup><br>Semianthracite<sup> (d)</sup>|| align="center"|98<br>92<br>86||align="center"|<br>98<br>92||align="center"|<br>2<br>8||align="center"|2<br>8<br>14|| || | |Anthracitic<br><br><br>||Metaanthracite<sup> (d)</sup><br>Anthracite<sup> (d)</sup><br>Semianthracite<sup> (d)</sup>|| align="center"|98<br>92<br>86||align="center"|<br>98<br>92||align="center"|<br>2<br>8||align="center"|2<br>8<br>14|| || | ||
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|Bituminous<br><br><br><br><br><br>||Low-volatile bituminous<sup> (d)</sup><br>Medium-volatile bituminous<sup> (d)</sup><br>High-volatile A bituminous<br>High-volatile B bituminous<br>High-volatile C bituminous<sup> (e)</sup><br>High-volatile C bituminous<sup> (f)</sup>||align="center" |78<br>69<br><br><br><br><br> ||align="center"|86<br>78<br>69<br><br><br><br>||align="center"|14<br>22<br>31<br><br><br><br>||align="center"|22<br>31<br><br><br><br><br>||align="center"|<br><br> | |Bituminous<br><br><br><br><br><br>||Low-volatile bituminous<sup> (d)</sup><br>Medium-volatile bituminous<sup> (d)</sup><br>High-volatile A bituminous<br>High-volatile B bituminous<br>High-volatile C bituminous<sup> (e)</sup><br>High-volatile C bituminous<sup> (f)</sup>||align="center" |78<br>69<br><br><br><br><br> ||align="center"|86<br>78<br>69<br><br><br><br>||align="center"|14<br>22<br>31<br><br><br><br>||align="center"|22<br>31<br><br><br><br><br>||align="center"|<br><br>32.55<br>30.23<br>26.74<br>24.41||align="center"| | ||
<br><br><br> | <br><br><br>32.55<br>30.23<br>26.74 | ||
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|Subbituminous<br><br><br>||Subbituminous A<br>Subbituminous B<br>Subbituminous C|| || || || ||align="center"| | |Subbituminous<br><br><br>||Subbituminous A<br>Subbituminous B<br>Subbituminous C|| || || || ||align="center"|24.41<br>22.09<br>19.30||align="center" |26.74<br>24.41<br>22.09 | ||
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|Lignite<br><br>||Lignite A<br>Lignite B|| || || || ||align="center"| | |Lignite<br><br>||Lignite A<br>Lignite B|| || || || ||align="center"|14.65<br><br>||align="center"|19.30<br>14.65 | ||
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|colspan="8"|(a) This classification does not include a few coals (referred to as unbanded coals) having unusual physical and chemical<br>properties falling within the fixed carbon and heating value ranges of the high-volatile bituminous and subbituminous ranks.<br> | |colspan="8"|(a) This classification does not include a few coals (referred to as unbanded coals) having unusual physical and chemical<br>properties falling within the fixed carbon and heating value ranges of the high-volatile bituminous and subbituminous ranks.<br> |
Revision as of 12:58, 30 April 2009
Class or Rank |
Group |
Fixed Carbon (b) (wt % dry mmf) |
Volatile Matter (b) (wt % dry mmf) |
Gross Heating Value (c) (Btu/lb moist mmf) | |||
---|---|---|---|---|---|---|---|
Equal or greater than |
Less than |
Greater than |
Equal or less than |
Equal or greater than |
Less than | ||
Anthracitic |
Metaanthracite (d) Anthracite (d) Semianthracite (d) |
98 92 86 |
98 92 |
2 8 |
2 8 14 |
||
Bituminous |
Low-volatile bituminous (d) Medium-volatile bituminous (d) High-volatile A bituminous High-volatile B bituminous High-volatile C bituminous (e) High-volatile C bituminous (f) |
78 69 |
86 78 69 |
14 22 31 |
22 31 |
32.55 30.23 26.74 24.41 |
|
Subbituminous |
Subbituminous A Subbituminous B Subbituminous C |
24.41 22.09 19.30 |
26.74 24.41 22.09 | ||||
Lignite |
Lignite A Lignite B |
14.65 |
19.30 14.65 | ||||
(a) This classification does not include a few coals (referred to as unbanded coals) having unusual physical and chemical properties falling within the fixed carbon and heating value ranges of the high-volatile bituminous and subbituminous ranks. (b) Percentage by weight on a dry and mineral matter free basis (mmf). |