Integrating process intensification methods with advanced control strategies for improved performance of CO₂ capture systems

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Project general information

Project: Integrating process intensification methods with advanced control strategies for improved performance of CO₂ capture systems;
Finaciar support: Romanian National Authority for Scientific Research, CNCS - UEFISCDI
Project code: PN-III-P4-ID-PCE-2020-0632
Contract number: 181/2021
Period: 2021 - 2023

        The continuous increase over the last decades of anthropogenic CO₂ emissions, one of the most significant greenhouse gases, represents a potential risk to the global society from an environmental point of view. Development of performant and energy-efficient CO₂ capture technologies is extremely relevant and important. This project is proposing novel and innovative concepts to improve the overall CO₂ capture performance and energy efficiency indicators simultaneously with developing a highly time-flexible and controlled capture plant. The new innovative concepts are: the intensification of CO₂ absorption process by increasing the gas-liquid contact area using a three-phase fluidized absorber and maximization of CO₂ absorption efficiency by glycerol addition to alkanolamine solutions. The time flexible management of CO₂ capture plant could be achieved by an advanced model predictive control (MPC) system. Therefore, this project has proposed to develop an efficient control system using the dynamic response of the carbon capture unit integrated with the power plant. Other important part of the project is assessment of techno-economic and environmental impact in case of flexible operation for CO2 capture processes integrated with fossil-based power plants. Coupling economic models with dynamic process models to study the sensitivity of electricity prices during flexible CO₂ capture plant operation and identification of process variables with the highest impact will be assessed.