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73:
Sub-bituminous coals may be dull, dark brown to black, soft and crumbly at the lower end of the range, to bright
62:
104:. Their relatively low density and high water content renders some types of sub-bituminous coals susceptible to
534:
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210:
180:
694:
145:
85:(undergo little swelling upon heating). The heat content of sub-bituminous coals range from 8300 to 11,500
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422:
81:, and relatively strong at the upper end. They contain 15-30% inherent moisture by weight and are non-
529:
504:
86:
715:
Note: Peat is considered a precursor to coal. Graphite is only technically considered a coal type.
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61:, the second-highest grade of coal. Sub-bituminous coal is primarily used as a fuel for
554:
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17:
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569:
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if not packed densely during storage in order to exclude free air flow.
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54:
35:
499:
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82:
50:
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284:"NZ imported more than a million tonnes of 'dirty' coal last year"
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A major source of sub-bituminous coal in the United States is the
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660:
Health and environmental impact of the coal industry
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Environmental justice and coal mining in
Appalachia
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400:
341:
261:. The Babcock & Wilcox Company. pp. 36–5.
53:. The properties of this type are between those of
162:Sub-bituminous coals release large quantities of
166:when burned, compared to higher grades of coal.
27:Lower grade of coal that contains 35–45% carbon
319:
181:Greenhouse gas emissions#Carbon dioxide (CO2)
8:
144:, which makes them an attractive choice for
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312:
304:
57:, the lowest grade of coal, and those of
29:
221:
618:mining disasters in the United States
38:holding a lump of sub-bituminous coal
7:
645:Environmental issues in Appalachia
25:
234:Energy Information Administration
391:
206:Coal mining in the United States
63:steam-electric power generation
1:
282:Bond, Jordan (14 July 2021).
259:Steam: its generation and use
132:Sub-bituminous coals, in the
49:that contains 35–45%
749:
665:Health effects of coal ash
473:power in the United States
713:
389:
535:Greenhouse gas emissions
211:Coal-fired power station
140:content less than 1% by
695:Problems in coal mining
670:History of coal mining
106:spontaneous combustion
39:
525:Fossil fuel phase-out
423:Black coal equivalent
33:
530:Great Smog of London
463:pollution mitigation
255:Babcock & Wilcox
155:emissions under the
45:is a lower grade of
448:fired power station
443:combustion products
368:Sub-bituminous coal
345:(lowest to highest)
342:Coal types by grade
136:, typically have a
43:Sub-bituminous coal
583:Black lung disease
560:Toxic heavy metals
540:Metallurgical coal
118:Powder River Basin
40:
18:Subbituminous coal
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719:
478:preparation plant
413:Asian brown cloud
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157:Acid Rain Program
16:(Redirected from
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675:Hydrogen sulfide
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257:Company (2005).
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230:"Coal explained"
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164:greenhouse gases
93:or 19.3 to 26.7
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401:Coal combustion
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373:Bituminous coal
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191:Bituminous coal
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59:bituminous coal
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555:Sulfur dioxide
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468:power in China
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176:Types of Coal
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134:United States
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700:Refined coal
613:liquefaction
505:Energy value
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293:24 September
291:. Retrieved
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277:
258:
248:
237:. Retrieved
224:
161:
146:power plants
131:
115:
72:
42:
41:
34:An American
570:Coal mining
520:Fossil fuel
201:Coal mining
128:Application
593:Coalfields
378:Anthracite
239:2020-09-26
217:References
186:Anthracite
148:to reduce
69:Properties
705:Whitedamp
690:Peak coal
685:Outbursts
588:Coal dust
578:Blackdamp
483:seam fire
458:phase-out
75:jet-black
727:Category
655:Firedamp
510:Flue gas
433:Charcoal
408:Ash pond
383:Graphite
170:See also
112:Reserves
515:Fly ash
363:Lignite
196:Lignite
122:Wyoming
55:lignite
36:rancher
633:slurry
628:refuse
500:Coking
418:Asthma
265:
142:weight
138:sulfur
83:coking
51:carbon
353:Xylit
733:Coal
638:town
598:Coal
550:Smog
495:Coke
438:Coal
428:Char
358:Peat
335:Coal
295:2023
263:ISBN
253:The
79:hard
47:coal
603:gas
545:NOx
488:tar
453:gas
288:RNZ
120:in
87:BTu
729::
286:.
232:.
159:.
150:SO
124:.
102:kg
91:lb
77:,
65:.
327:e
320:t
313:v
297:.
271:.
242:.
152:2
100:/
98:J
95:M
89:/
20:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
