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Compared with coal, petroleum coke has:

 Higher energy content

 Lower ash residue

 Lower VCM content

The quality of normal green coke mainly used as fuel is defined by the sulfur and metals content. Additional parameters are the water content (for the quantity calculation) and the ash and VCM content. In the case of green coke used for higher grade products, the level of metals and the grain size distribution are additional quality criteria.