Nowadays Advanced Process Control (APC) is recognized and commonly used to boost operational performance of process units in refineries. Deployment of APC system is often considered as the first building block of a larger refinery performance optimization system. Although many companies are providing such applications, Process Licensor’s solutions are typically the only ones unleashing the full benefits of an APC system. Licensor strengths are: · Perfect knowledge of process principals and unit behavior · Accurate inferences for catalytic processes · Unique APC strategies based on Licensor’s expertise · The right APC tools, to make full use of knowledge, inferences and strategies The resulting benefits for customers are an APC application focusing on main key operating parameters leading to increased robustness, thanks to a reduced matrix size, and to easier maintenance. In addition, Process Licensor APC commissioning is very smooth and straight forward, hence tuning and step tests are often unnecessary. Process Licensor APC solution will not only address performance of reaction sections (yield, product quality and catalyst run length) but it will also reduce energy consumption of all associated utilities.