Low Carbon Management in Energy Systems: CO2 Capture Technology

A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Energy Systems".

Deadline for manuscript submissions: 30 June 2025 | Viewed by 2733

Special Issue Editors


E-Mail Website
Guest Editor
School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an 710049, China
Interests: CO2 capture; CCS; absorption and adsorption; EMAR

E-Mail Website
Guest Editor
School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an 710049, China
Interests: CCUS; CO2 capture technologies; CO2 reduction

Special Issue Information

Dear Colleagues,

Global energy consumption continues to grow, leading to increased carbon dioxide (CO2) emissions due to the increasing use of fossil fuels. It has been predicted that in the coming few decades (2010–2060), about 500 gigatons of carbon dioxide (CO2) will be generated from the combustion of fossil fuels. The excessive anthropomorphic emissions of CO2 have caused a severe global increase in temperature, known as the “greenhouse effect”. Therefore, the mitigation of climate change is one of the most important issues that the scientific community currently faces. The International Energy Agency (IEA) suggests that some 100 GW of power plant capacity, representing 0.5 billion metric tonnes of CO2 production per year, must employ carbon capture and storage (CCS) to alleviate greenhouse gas emissions.

CCS defines a wide range of technologies being used to release CO2 from significant point sources of the fossil-fuel-consuming industry. CO2 capture technologies that include precombustion capture, post-combustion capture, and oxy-fuel capture are preferred in this Special Issue. Moreover, the technologies of CO2 capture with separation are also considered, which include the adsorption, absorption, membrane, microalgae, and cryogenic methods. Finally, this Special Issue aims to point out the most common and developed CO2 capture technologies to achieve zero CO2 emissions in the near-future.

This Special Issue on “Low Carbon Management in Energy Systems: CO2 Capture Technology” aims to cover all the relevant aspects of CO2 capture technology, with a particular focus on innovative solutions that are currently being explored to achieve practically applicable processes. Topics include, but are not limited to:

  • CCS;
  • CO2 capture technologies;
  • Precombustion carbon capture;
  • Post-combustion carbon capture;
  • Oxy-fuel carbon capture;
  • Adsorption and absorption;
  • Direct air CO2 capture (DAC);
  • Carbon footprint;
  • Low-cost and efficient capture of low-concentration CO2

Dr. Xiaomei Wu
Prof. Dr. Yunsong Yu
Guest Editors

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Keywords

  • CCS
  • CO2 capture technologies
  • precombustion carbon capture
  • post-combustion carbon capture
  • oxy-fuel carbon capture
  • adsorption and absorption
  • direct air CO2 capture (DAC)
  • carbon footprint

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Published Papers (2 papers)

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Research

17 pages, 11112 KiB  
Article
Molecular Simulation of Adsorption of CO2 from a Combustion Exhaust Mixture of Zeolites with Different Topological Structures
by Shiqing Wang, Xu Jiang, Yutong Wang, Jiaxin Liu, Xiaolong Qiu, Lianbo Liu, Shiwang Gao, Xiong Yang, Jing Ma and Chuanzhao Zhang
Processes 2024, 12(12), 2730; https://doi.org/10.3390/pr12122730 - 2 Dec 2024
Viewed by 782
Abstract
In this work, a molecular simulation method was used to study the adsorption of seven combustion products (CO2, H2O, SO2, N2, O2, NO and NO2) on three zeolites with different topological [...] Read more.
In this work, a molecular simulation method was used to study the adsorption of seven combustion products (CO2, H2O, SO2, N2, O2, NO and NO2) on three zeolites with different topological structures (4A, MIF and MOR). Adsorption isotherms of pure components and mixtures at a wide range of temperatures (253–333 K) were calculated using the Monte Carlo method, obtaining equilibrium parameters including the adsorption capacity, adsorption heat and energy distribution. The calculation results indicated that 4A zeolite with more micropores has a stronger adsorption performance for CO2. The presence of water significantly reduced the CO2 capture efficiency of the three zeolites, and the CO2 adsorption amount decreased by more than 80%. Adsorption kinetics was studied using the molecular dynamic (MD) method, MFI and MOR, with channel-type pore structures exhibiting stronger gas diffusion performance, though their separation efficiency was not high. A 4A zeolite has the potential for kinetic separation of CO2. Full article
(This article belongs to the Special Issue Low Carbon Management in Energy Systems: CO2 Capture Technology)
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19 pages, 5417 KiB  
Article
Computational Investigation of Co-Solvent Influence on CO2 Absorption and Diffusion in Water Lean Solvents
by Maimoona Sharif, Chunliang Ge, Tao Wang, Wei Zhang, Mengxiang Fang and Xiang Gao
Processes 2024, 12(8), 1588; https://doi.org/10.3390/pr12081588 - 29 Jul 2024
Cited by 2 | Viewed by 1619
Abstract
The present research explores water-lean amine-based solvents to enhance carbon capture and provide sustainable solutions for CO2 emissions challenges. A computational approach is employed to evaluate the co-solvent’s impact on CO2 capture in MDEA-based systems. The performance of the following systems [...] Read more.
The present research explores water-lean amine-based solvents to enhance carbon capture and provide sustainable solutions for CO2 emissions challenges. A computational approach is employed to evaluate the co-solvent’s impact on CO2 capture in MDEA-based systems. The performance of the following systems is examined: MDEA-NMP, MDEA-MAE-NMP, MDEA-MeOH, MDEA-MAE-MeOH, MDEA-EG, MDEA-MAE-EG, and MDEA-MAE with varying water concentrations. The Radial Distribution Function (RDF) analysis revealed significant interactions between amine groups, CO2, and water molecules in each system. The results indicate that the MDEA-NMP (40% H2O) and MDEA-EG (40% H2O) systems had strong interactions, indicating their potential for CO2 capture. However, adding MAE decreased interaction intensities, indicating a less favorable performance. Complementing the RDF findings, the Mean Square Displacement (MSD) analysis quantified CO2 diffusivity across temperatures (313 K, 323 K, and 333 K). MDEA-NMP (40% H2O) demonstrated the highest diffusivity, indicating superior CO2 mobility and capture efficiency. MDEA-MeOH (40% H2O) also showed moderate diffusivity, further supporting its effectiveness. However, solvent systems incorporating MAE consistently displayed lower diffusivity, reinforcing the observation from the RDF analysis. The temperature effect on the diffusivity of selected blends does not follow the regular pattern in a co-solvent-based system, whereas in an aqueous system, it increases with temperature. These molecular dynamic simulations highlight the critical role of solvent composition in optimizing CO2 capture efficiency. Applying these insights can improve solvent formulations, enhance effectiveness, and reduce costs. Full article
(This article belongs to the Special Issue Low Carbon Management in Energy Systems: CO2 Capture Technology)
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