CEPSA has awarded AITESA a feasibility study of different changes in the fired heater C1-H1 located at the Refinery of Gibraltar-San Roque.

The feasibility study aims to define the necessary improvements in the fired heater C1H1 as well as in the existing airpreheater, for energetic optimization of the system burning gas exclusively. The study will define the heat savings, as well as CO2 reduction and electric consumptions. Furthermore, NOx emissions will be evaluated for the new operating conditions.

Currently, the fired heater C1-H1 is a fired heater of double cabin with forced/induced draft load at the Crude 1 Atmospheric Distillation Unit. The convection zone is common to both cabins. Before heading to the stack, the output flue gases of the convective zone pass through a combustion airpreheater exclusive of this fired heater.

In the future, the system performance is intended to improve. In order to achieve this, we have studied the possible improvements in the existing fired heater and airpreheater in order to optimize the system energetically, considering the risks by acid condensation and compliance with the required emissions.