Skip to main navigation Skip to search Skip to main content

Modeling and control of heating and heat circulation in direct air capture system

  • Antti Paajanen*
  • , Niko Nevaranta
  • , Cyril Bajamundi
  • *Corresponding author for this work
  • Soletair Power Oy
  • Lappeenranta-Lahti University of Technology LUT

Research output: Contribution to journalArticleScientificpeer-review

Abstract

Direct air capture (DAC) is a critical technology for mitigating climate change. However, the high heat consumption of temperature vacuum swing adsorption (TVSA)-based DAC processes hinders its widespread deployment. This study focuses on developing a control strategy to optimize the energy efficiency of the TVSA heating phase. A novel adsorbent temperature estimation method, validated through experimental data, was integrated into a cascaded PI controller with a fuzzy gain scheduler (FGS). Experimental results demonstrate that the proposed control strategy effectively regulates the heating process, achieving a potential energy saving of up to 14%. This work contributes to enhancing the feasibility and sustainability of DAC technologies.

Original languageEnglish
Article number120745
JournalChemical Engineering Science
Volume301
DOIs
Publication statusPublished - 5 Jan 2025
MoE publication typeA1 Journal article-refereed

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy
  2. SDG 13 - Climate Action
    SDG 13 Climate Action

Keywords

  • Adsorbent temperature estimation
  • Carbon capture, utilization and storage
  • Direct air capture
  • FGS-based PI-control

Fingerprint

Dive into the research topics of 'Modeling and control of heating and heat circulation in direct air capture system'. Together they form a unique fingerprint.

Cite this