Statements (28)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:Fossil_fuel
gptkb:Sedimentary_rock |
| gptkbp:alsoKnownAs |
Brown coal
|
| gptkbp:aroma |
Earthy
|
| gptkbp:ashContent |
High
|
| gptkbp:carbonContent |
25-35%
|
| gptkbp:color |
Brown
|
| gptkbp:combustion |
Direct burning in power plants
|
| gptkbp:density |
Low
|
| gptkbp:emissionStandard |
High CO2 per unit energy
|
| gptkbp:environmentalImpact |
High
|
| gptkbp:foundIn |
Open-pit mines
|
| gptkbp:hardness |
Soft
|
| gptkbp:mainProducer |
gptkb:China
gptkb:Germany gptkb:Russia gptkb:United_States |
| gptkbp:moistureContent |
30-70%
|
| gptkbp:notRecommendedFor |
Coking
|
| gptkbp:powerSource |
10-20 MJ/kg
|
| gptkbp:rankOfCoal |
Lowest
|
| gptkbp:subclassOf |
Coal
|
| gptkbp:usedFor |
Electricity generation
|
| gptkbp:volatility |
High
|
| gptkbp:形成时期 |
Tertiary period
|
| gptkbp:bfsParent |
gptkb:Craig_County,_Virginia
|
| gptkbp:bfsLayer |
7
|
| https://www.w3.org/2000/01/rdf-schema#label |
Lignite
|