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Cerrejón coal is an unwashed product coming from a blend of seams whose individual calorific value ranges from <10,000 BTU/lb GAR to >12,100 BTU/lb GAR. The products of 6,000 kcal/kg NAR (~11,350 BTU/lb GAR) or less contain slightly more than 11% ash (typical), while at calorific values greater than 6,000 kcal/kg NAR, the ash content is around or below 10%.
Volatile Matter of Cerrejón coal is between 31 and 34%, whilst total sulphur content is less than 0.85%.
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