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Undersea separation of CO2 from natural gas through ionic liquids

Grant number: 22/00536-7
Support type:Scholarships in Brazil - Post-Doctorate
Effective date (Start): March 01, 2022
Effective date (End): April 30, 2022
Field of knowledge:Engineering - Chemical Engineering - Chemical Process Industries
Cooperation agreement: BG E&P Brasil (Shell Group)
Principal researcher:Rita Maria de Brito Alves
Grantee:Murilo Leite Alcantara
Home Institution: Escola Politécnica (EP). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated research grant:20/15230-5 - Research Centre for Greenhouse Gas Innovation - RCG2I, AP.PCPE

Abstract

Carbon Capture and Utilization (CCU) technologies can be enhanced by using suitable Ionic Liquids (ILs). However, the complexity of IL-CO2 interactions makes it challenging to develop IL-based CCU processes, especially at high pressures. In addition, at high-pressures (>73.8 bar) and moderate temperatures (>31°C), the CO2 became a supercritical fluid, presenting other unique properties. These aspects must be considered in the development of high-pressure IL-based CCU processes. The COSMO-SAC model will predict IL-CO2 interaction of two IL-based CCU process developments through this project. One case study will be focused on high-pressure CO2 separation from light hydrocarbons, simulating its removal at a subsea level station of natural gas or oil production. This project is associated with the FAPESP's CPE project of the Research Center for Greenhouse Gas Innovation (RCGI) in the context of the reduction of CO2 emissions to the atmosphere. Furthermore, part of this project will be developed in collaboration with the Joan F. Brenneck's lab. At the University of Texas at Austin, as part of the Center for Innovative and Strategic Transformations of Alkane Resources (CISTAR) Center to Center (C2C) program. (AU)

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