Kyriakou, S.,
Plellis, C.,
Tatsis, V.,
Damianou, C.,
Gkanis, D., Hellenic Petroleum;
Burgess, T.,
González, R., W. R. Grace
Hellenic Petroleum S.A.’s Aspropyrgos refinery is located near Athens, Greece. It has a total refining capacity of approximately 7.5 MMtpy and a Nelson complexity index of 9.7. The refinery was built in 1958 and has undergone several upgrades, including the installation of a fluid catalytic cracking unit (FCCU).