Adsorption based O2 capture from atmosphere

Semester project
Spring 2024

Context

This project proposal is focused on optimizing the oxygen separation process from air using Pressure Swing Adsorption (PSA) technology, specifically targeting the enhancement of medical oxygen concentrators. Traditionally, oxygen is produced through cryogenic distillation, a process that, despite its effectiveness, is characterized by high energy consumption and significant emissions. As a result, there’s a pressing need for alternative methods that can offer a more sustainable solution. Pressure Swing Adsorption (PSA) technology emerges as a promising alternative, capable of producing medical-grade oxygen with potentially lower environmental impact and energy use. Given the critical importance of medical-grade oxygen in healthcare settings, particularly in underdeveloped countries, improving the efficiency of oxygen concentrators is a task of paramount importance. This project aims to leverage an existing simulation model to explore various adsorbent materials that could enhance the performance of these devices. The ultimate goal is to contribute to a more sustainable and efficient solution for oxygen supply in medical applications by optimizing the PSA process.

Objectives

  • Optimize Model: Enhance the existing PSA model to increase oxygen purity while minimizing energy consumption.
  • Assess Viability: Evaluate the economic and environmental feasibility of the optimized process.
  • Guide Prototype Development: Provide a comprehensive roadmap for the development of an optimized medical oxygen concentrator.

Skills Required

  • A foundational understanding of simulation and optimization techniques.
  • Proficient report writing skills to document findings and recommendations.

Application Process

Interested candidates are encouraged to apply by submitting a CV, cover letter, and academic transcripts to sanjay.venkatachalam@epfl.ch.

Practical Information

  • This position allows for remote work or commuting to Sion.
  • Access to necessary software for the project will be provided.

References

1.Jee, J. G., Kim, M. B., & Lee, C. H. (2005). Pressure swing adsorption processes to purify oxygen using a carbon molecular sieve. Chemical Engineering Science, 60(3), 869-882.

2.Santos, J. C., Cruz, P., Regala, T., Magalhaes, F. D., & Mendes, A. (2007). High-purity oxygen production by pressure swing adsorption. Industrial & engineering chemistry research, 46(2), 591-599.