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Job ID: 185575

Post-doctoral CO2 abatement/ Undersea Separation of CO2 from Natural Gas - REF 22PDR167
University de São Paulo

Date Posted May 12, 2022
Title Post-doctoral CO2 abatement/ Undersea Separation of CO2 from Natural Gas - REF 22PDR167
University University de São Paulo More About This Institution...
Sao Paulo, Sao Paulo, Brazil
Department Chemical Engineering
Application Deadline Jun. 5, 2022
Position Start Date July 2022
  • Post-Doc
  • Chemical/Petroleum
    Engineering - Other

Project title:
Undersea Separation of CO2 from Natural Gas through Ionic Liquids

The candidate will collaborate with researchers from the project C2C- Center to Center Research Centre for Greenhouse Gas Innovation – RCGI. Summary of the program and projects can be found at the RCGI website (
In brief, the project's primary goal is to study the use of ionic liquids to remove CO2 from light hydrocarbons streams at a unit set on the subsea level. The outside environment poses a much higher pressure than on the surface. Therefore, the separation system should also perform at high pressure conditions to allow the reduction of the equipment wall thickness. Thus, leading to lower equipment costs and lower initial investment capital (CAPEX). In addition, since the operating pressure would be much higher at such conditions, lower energy demands would be required to compress CO2 into the reservoir. Ionic liquids' low vapor pressure, tunable structure, and high CO2 selectivity properties should enhance the CO2 capture at the subsea conditions. However, its complex interaction and high-pressure conditions pose a modeling challenge to conceptual processes development. Furthermore, few experimental data are available under conditions of high pressure; therefore, predictive models, such as UNIFAC-Lei and COSMO-SAC, should be applied and assessed. High-pressure phase equilibrium experiments should be performed to acquire the missing data. Thus, the parameters of suitable EoS models, such as PR, SRK, CPA, and PC-SAFT, should be regressed and evaluated. An appropriate separation method such as absorption or membrane should be selected and modeled to perform CO2 separation. Finally, conceptual separation processes must be developed and adopted through competency, protection, and environmental metrics.

The applicant will contribute with the main objectives of the project: • Incorporate knowledge of the use of ionic liquids to promote efficient CO2 separation from high-pressure environment containing light hydrocarbons; • Analyze and characterize the produced materials; • Contribute to active projects in applications in chemical engineering. • Apply experimental and analytical techniques to develop new principles and methods to solve practical problems and explore the applications for gas separation technology.

Requirements to fill the position:
• Ph.D. in Chemical Engineering, Chemistry, or equivalent.
• At least 5y experience with applied research.
• Maximum of 7y after acquired the Ph.D. diploma.
• Excellent interpersonal, written, and verbal communication skills.
• Publications in peer-reviewed journals • The candidate is expected to have extensive experience in developing and publishing novel academic research,
This project would be well-suited to a highly motivated candidate with expertise in applied thermodynamics, ionic liquids, CO2 separation, predictive models (COSMO-based, high-pressure phase equilibrium experiments, gas characterization techniques, including gas chromatography.

Funding Notes: This Postdoc Fellowship is funded by FAPESP. The fellowship will cover a standard maintenance stipend of R$ 8.479,20 per month.

Position: Post-Doctoral REF: 22PDR167 AND APPLICATION AT REF 22PDR167 – Post Doctoral

Please reference in your cover letter when
applying for or inquiring about this job announcement.

Contact Information

  • RCGI
    Human Resources
    University De São Paulo
    Av Prof Mello Moraes, 2231
    Cidade Universitaria - Butanta
    Sao Paulo, Sao Paulo 05508-030


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