COALS OF YUZHNY subsoil plot of SOLNTSEVSKIY deposit on SAKHALIN ISLAND□

Coal quality rates fluctuation limits

Moisture of analysis sample (Wa, %) 2,2 - 11,6

Moisture of fired fuel (Wtr, %) 10,2 - 22

Maximum moisture-holding capacity (Wmax, %) 10,4 - 24,9

Ash content of dry coal (Ad, %) 5,6 - 25

Dry ash-free coal volatile-matter yield (Vdaf, %) 37,0 - 51,3

Higher calorific value of dry ash-free coal (Qsdaf, ккал/кг) 6100 - 7450

Higher calorific value of dry ash-free coal (Qsdaf, МДж/кг) 25,54 - 31,19

Lower calorific value of as-fired fuel (Qir, ккал/кг) 3600 - 6000

Lower calorific value of as-fired fuel (Qir, МДж/кг) 15,07 - 25,12

Total sulfur content in dry coal (Std, %) 0,12 - 0,64

Carbon content in dry ass-free coal (Cdaf, %) 60,3 - 75,3

Hydrogen content in dry ass-free coal (Hdaf, %) 4,1 - 6,2

Shipped coal quality

Ash content (air-dried condition), % 17,0

Total moisture (as-fired condition), %. 19,0

Volatiles (air-dried condition), % 38–42

Total sulfur (air-dried condition), %, % 0,10–0,50

Higher calorific value (air-dried condition), kcal/kg 5500

Lower calorific value (as-fired condition), kcal/kg 4700

제3기탄(주로 갈탄)

수분

회 –

발열량 – 18900KJ/kg ~ 31,900Kj/kg

중생대(전천)

수분 – 1-4%

회 – 19-20%

휘발분 – 20-29%

고정탄소 45-55%

발열량 20,100-26,000KJ/kg

고생대(개천)

수분 – %

회 – %

휘발분 – 3-7%

고정탄소 높다

발열량 23,000-28,900KJ/kg

고생대(남전)

수분 – %

회 – 25.8%

휘발분 – 3.93%

고정탄소 68.8%다

발열량 23,900-25,200KJ/kg

	러시아 사할린	북한
		3기탄(갈탄)	중생대(전천)	고생대(개천)
수분(moissture),%	19,0		1-4
2. 회(ash), %	17,0		19-20
3. 휘발분 (Volatiles),%	38–42		20-29	3-7
4. 탄소(FC),%	60,3 - 75,3		45-55	높다
5. 유황함유,%	0,10–0,50
5. 발열양,kcal/kg	5500	4514~7619	4800~6200	5708~6018