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High-pressure CO2 separation and conversion processes with ionic liquids: COSMO-SAC evaluation, subsea carbon capture, and RWGS reaction.

Grant number: 21/07155-6
Support Opportunities:Scholarships in Brazil - Post-Doctoral
Effective date (Start): May 01, 2022
Effective date (End): April 30, 2024
Field of knowledge:Engineering - Chemical Engineering - Chemical Process Industries
Principal Investigator:Claudio Augusto Oller do Nascimento
Grantee:Murilo Leite Alcantara
Host Institution: Escola Politécnica (EP). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Host Company:Universidade de São Paulo (USP). Escola Politécnica (EP)
Associated research grant:20/15230-5 - Research Centre for Greenhouse Gas Innovation - RCG2I, AP.PCPE


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 would predict IL-CO2 interaction of two IL-based CCU process developments through this project. One case study would be focused on high-pressure CO2 separation from light hydrocarbons, simulating its removal at a subsea level station of natural gas or oil production. The second case study would be focused on the use of ILs to enhance high-pressure CO2 conversion to CO by the reverse water-gas shift reaction. Both cases are related to implemented projects at the University of São Paulo and the Research Center for Greenhouse Gas Innovation (RCG2I).

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
SANTOS, MAGNO F.; ALCANTARA, MURILO L.; NASCIMENTO, CLAUDIO AUGUSTO O.; BASSANI, GABRIEL S.; ALVES, RITA MARIA B.. Recent advances in the use of ionic liquids in the CO2 conversion to CO and C2+ hydrocarbons. Clean Technologies and Environmental Policy, v. N/A, p. 19-pg., . (21/07155-6)

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