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Materials for CO2 Capture and Conversion

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "B3: Carbon Emission and Utilization".

Deadline for manuscript submissions: 25 August 2025 | Viewed by 952

Special Issue Editors


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Guest Editor
School of Environmental Science and Engineering, Tianjin University, Tianjin 300350 China
Interests: thermochemical energy storage; CO2 capture and conversion; air pollution control
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
School of Energy and Power Engineering, Chongqing University, Chongqing 400044, China
Interests: carbon capture and in-situ conversion for high-value chemicals; high-efficiency CO2 separation by adsorption; CO2 mineralization and resource of solid waste

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Guest Editor
School of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
Interests: chemical looping CO2 capture and conversion; integrated CO2 capture and conversion; oxy-fuel combustion; process simulation and control; energy-economic-environmental evaluation

Special Issue Information

Dear Colleague,

Under the goal of carbon neutrality, the vigorous development of carbon dioxide capture, utilisation, and storage (CCUS) technology is not only a strategic choice for reducing carbon dioxide emissions and guaranteeing energy security in the future, but also an important means of building an ecological civilisation and achieving sustainable development.

The realisation of carbon neutrality requires the establishment of a zero-carbon energy system dominated by non-fossil energy sources, and the decoupling of economic development from carbon emissions. CCUS technology, as an important part of the technological portfolio for realising the carbon neutrality goal, is not only the only technological option for the low-carbon utilisation of fossil energy sources, but also a feasible technological solution for hard-to-reduce industries such as iron, steel, cement, and so on. In addition, the negative emission technology of CCUS coupled with renewable energy can offset the carbon emissions that cannot be cut, which is the bottom-up technology guarantee to achieving the carbon neutral target.

The development of CCUS technology cannot be separated from the progress of CO2 capture/conversion materials. This topic aims to introduce and disseminate CO2 capture/conversion materials with high activity, stability, and tolerance, so as to facilitate low-cost and high-efficiency CO2 capture and utilization, and further promote the commercial application of CCUS technology.

Topics of interest for publication include, but are not limited to:

  • CO2 absorption;
  • CO2 adsorption;
  • Calcium looping;
  • Chemical looping;
  • Direct air capture (DAC);
  • Membrane separation for carbon capture;
  • CO2 thermal catalytic conversion;
  • CO2 photocatalytic conversion;
  • CO2 electrocatalytic conversion;
  • Integrated carbon capture and utilisation (ICCU).

Dr. Rui Han
Prof. Dr. Changlei Qin
Dr. Bo Jin
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Energies is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • CO2 capture
  • CO2 conversion
  • bifunctional materials
  • chemical looping
  • absorbent
  • adsorbent

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Published Papers (1 paper)

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Research

12 pages, 1839 KiB  
Article
Migration and Transformation of Heavy Metals During the CO2-Assistant Thermal Treatment of Oily Sludge
by Jiantao Li, Fawei Lin, Xuan Guo, Chujun Luan, Hongdi Yu, Rundong Li, Beibei Yan and Guanyi Chen
Energies 2024, 17(22), 5545; https://doi.org/10.3390/en17225545 - 6 Nov 2024
Viewed by 671
Abstract
Thermal treatment has significant advantages in resource recovery for oily sludge (OS). However, the instability of heavy metals (HMs) within the residue poses a considerable risk of secondary pollution. This study explored the migration and transformation of HMs from OS under varying conditions [...] Read more.
Thermal treatment has significant advantages in resource recovery for oily sludge (OS). However, the instability of heavy metals (HMs) within the residue poses a considerable risk of secondary pollution. This study explored the migration and transformation of HMs from OS under varying conditions (i.e., temperature, constant-temperature duration time, and different ratios of O2 and CO2). The elevation of the pyrolysis temperature augmented the decomposition of organic matter and total petroleum hydrocarbons (TPHs). However, the increased temperature also diminished the stabilization of HMs, and facilitating the HM’s transfer to oil and gas, particularly for HMs (i.e., As and Pb) with low boiling points. The constant-temperature duration time exhibited a weak impact on HM transformation, but the internal heating mechanism of microwave pyrolysis promoted the stabilization of HMs through vitrification. The existing O2 with oxidizing properties facilitated the oxidation of organic matter and TPHs to CO2 and H2O, which also promoted the transformation of HMs into oxidized states for stabilization. Comparatively, CO2 promoted the thermal cracking and disrupted the stability of HMs to a certain extent. Above all, this work revealed the migration and transformation of HMs in OS varied with the thermochemical methods and possessed an important significance for the immobilization and stabilization of HMs. Full article
(This article belongs to the Special Issue Materials for CO2 Capture and Conversion)
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