1

Gas coal

Mixed coal

0-50

Calorific value≥5100kcal / kg，ash content≤26%，total sulfur content≤1.2%，volatile matter≥32%，total water≤10%，ash melting point≥1250℃，Harrington grindability≥55

600

Huangling Mining Co.,Ltd

NO.1 Mine

Clened coal

0-50

Calorific value≥6500kcal / kg，ash content≤9%，total sulfur content≤0.6%，volatile matter≥32%，total water≤10%，ash melting point≥1250℃，Harrington grindability≥55，Bond index≥60