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Green Fuel Grade Petcoke


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An energy solution for your industry

At Repsol we want you to know all the details about our products. Here are some of the most frequently asked questions. Should you have further questions, please contact us.


  • The petroleum coke marketed by Repsol is known as Green Fuel Grade; it is known in Spain as coque verde combustible.
  • The main uses of the Green Fuel Grade Petcoke marketed by Repsol are as a fuel in the cement, ceramics, and electricity industries. Some ceramic industries mix it with the clay to improve baking.
  • The quality of the product depends on the crude oils processed by the Refinery. By way of reference, the following details the internal specifications for Repsol's green fuel grade petcoke:  
    • Ash: 0.6% maximum weight. 
    • Volatiles: 15% maximum weight. 
    • Sulfur: 7% maximum weight. 
    • HGI: 40/90 minimum and maximum. 
    • PCS: 8,000 Kcal./Kg. minimum.       
    * Limits established on a dry basis 
  • Repsol's Green Fuel Grade Petcoke is produced at: 
    • Coruña Refinery (1982) 
    • Puertollano Refinery (1990) 
    • Cartagena Refinery (2011) 
    • Bilbao Refinery (2011)