User:Milton Beychok/Sandbox
Jump to navigation
Jump to search
Coal assays
Coal Rank |
Proximate Analysis (wt % ar) |
Ultimate Analysis (wt % maf) |
Net Heating Value (maf) (MJ/kg) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Fixed carbon |
Volatile matter |
Moisture |
Ash |
C |
H |
O |
N |
S | |||
| Anthracite | 81.8 | 7.7 | 4.5 | 6.0 | 91.8 | 3.6 | 2.5 | 1.4 | 0.7 | 36.2 | |
| Bituminous | 54.9 | 35.6 | 5.3 | 4.2 | 82.8 | 5.1 | 10.1 | 1.4 | 0.6 | 36.1 | |
| Subbituminous | 43.6 | 34.7 | 110.5 | 11.2 | 76.4 | 5.6 | 14.9 | 1.7 | 1.4 | 31.8 | |
| Lignite | 27.8 | 24.9 | 36.9 | 10.4 | 71.0 | 4.3 | 23.2 | 1.1 | 0.4 | 26.7 | |
| Notes: • wt % = percent by weight ar = as received maf = moisture and ash free | |||||||||||
- ↑ Chris Higman and Maarten van der Burgt (2008). Coal Gasification, 2nd Edition. Gulf Professional Publishers. ISBN 0-7506-8528-X.