CO2 Sequestration, Capture and Utilization (2nd Edition)

A special issue of Atmosphere (ISSN 2073-4433). This special issue belongs to the section "Air Pollution Control".

Deadline for manuscript submissions: 31 January 2027 | Viewed by 926

Editor

Special Issue Information

Dear Colleagues,

We are pleased to announce the second edition of our Special Issue, entitled “CO2 Sequestration, Capture and Utilization” (https://www.mdpi.com/journal/atmosphere/special_issues/CO2_Sequestration_Capture_Utilization).

With the progress that is being made in industrialization, large amounts of fossil energy are being burned, and forest areas are reducing. These factors have led to increased emissions of the greenhouse gas carbon dioxide and the worsening of global warming, making this an extremely serious environmental challenge for all of humanity to face. In recent years, countries have become aware of the severity of the greenhouse effect, and in 2016, the Paris Agreement was signed, which aims to reduce CO2 emissions and thus improve the living environment for humankind. Carbon capture, storage, and utilization (CCUS) technology can adsorb, fix, and utilize emitted CO2, meaning that released CO2 can be separated from industrial exhaust and other emission sources and then stored or reused for a long time. Therefore, CCUS technology can be highly effective in reducing CO2 emissions and mitigating the greenhouse effect.

This Special Issue welcomes the submission of reviews and research papers related to CO2 capture, storage, and utilization technologies, focusing on the following topics:

  • Design, development, or optimization of CO2 capture, storage, and utilization processes;
  • New CO2 adsorption materials (e.g., activated carbon, molecular sieves, MOFs, etc.);
  • Novel catalysts for CO2 utilization (e.g., photocatalysts, electrocatalysts, or thermocatalysts);
  • Novel CO2 separation materials (e.g., membrane materials, ionic solutions, etc.);
  • New CO2 sequestration technology;
  • CO2 reduction policies.

Prof. Dr. Guojie Zhang
Guest Editor

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Keywords

  • CO2
  • carbon capture
  • CO2 sequestration
  • CO2 utilization
  • carbon materials

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Published Papers (1 paper)

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Research

26 pages, 9102 KB  
Article
Life-Cycle Exergy Evaluation of Power Generation from Underground Coal Gasification with CCS
by Ye Feng and Jinglong Chen
Atmosphere 2026, 17(8), 768; https://doi.org/10.3390/atmos17080768 - 7 Aug 2026
Viewed by 223
Abstract
Under the carbon neutrality context, underground coal gasification combined cycle (UGCC) power generation with carbon capture and storage (CCS) technology can effectively mitigate climate change and reduce pollutant emissions. However, due to the complexity of the UCG process and significant fluctuations in syngas [...] Read more.
Under the carbon neutrality context, underground coal gasification combined cycle (UGCC) power generation with carbon capture and storage (CCS) technology can effectively mitigate climate change and reduce pollutant emissions. However, due to the complexity of the UCG process and significant fluctuations in syngas composition, the overall power generation efficiency of the plant may be affected to some extent. Existing studies have predominantly focused on single-link energy efficiency analysis, with a lack of full life-cycle resource–environment synergistic evaluation based on the extended exergy analysis framework, and comparative sustainability research between UGCC and integrated gasification combined cycle (IGCC) systems remains inadequate. Accordingly, this study establishes an exergy Life-Cycle Assessment model for UGCC power plants based on Aspen Plus, systematically evaluates the resource utilization rate and environmental sustainability index, identifies key influencing factors, and conducts a comparative analysis with IGCC power plants. The results indicate that the comprehensive sustainability performance of UGCC power plants is significantly enhanced after CCS retrofitting, with exergy efficiency reaching 37.56% at an oxygen-to-coal ratio of 0.6 and a water-to-coal ratio of 0.1; compared with IGCC, UGCC demonstrates a superior resource utilization rate but relatively weaker environmental sustainability; and the underground gasification unit is the critical link affecting exergy efficiency. This study offers a new perspective for sustainability assessment of energy systems and provides theoretical support and technical reference for the construction of a low-carbon reliable supply system in the power industry, thereby facilitating the implementation and refinement of a novel sustainable energy system. Full article
(This article belongs to the Special Issue CO2 Sequestration, Capture and Utilization (2nd Edition))
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