Carbon Capture Science & Technology最新文献

{"title":"Unveiling the potential of CaO-modified ZnO adsorbents for CO2 capture","authors":"Ali Goksu ,&nbsp;Sergio Carrasco Ruiz ,&nbsp;Tomas Ramirez Reina ,&nbsp;Melis Duyar","doi":"10.1016/j.ccst.2025.100484","DOIUrl":"10.1016/j.ccst.2025.100484","url":null,"abstract":"<div><div>Intermediate-high temperature adsorbents are of interest as they can be used in process intensification and integrated CO₂ capture and conversion processes to couple gas separation with a chemical reaction. Herein we develop CaO-modified ZnO as a new intermediate-high temperature CO₂ adsorbent and show that the extent of CaO doping allows tuning of the CO₂ adsorption/desorption temperature as well as capture capacity. Five different adsorbents were synthesized with Ca loadings of 0 %, 1 %, 5 %, 10 %, and 15 % by weight on ZnO and tested via fixed bed reactor experiments and TGA-DSC. The highest adsorption capacity was found to be 0.73 mmol/g_cat for 5 %Ca/ZnO. The desorption temperatures for CO₂ was found to also be influenced by Ca loading. Adsorbents were characterised by XRD, SEM, TGA, BET and ICP-MS, to understand their structure it was determined that CaO deposits on ZnO pores as separate domains. Herein we develop CaO-modified ZnO as a novel intermediate-high temperature CO₂ adsorbent, demonstrating tuneable adsorption/desorption characteristics through CaO dispersion on a ZnO scaffold.</div></div>","PeriodicalId":9387,"journal":{"name":"Carbon Capture Science & Technology","volume":"16 ","pages":"Article 100484"},"PeriodicalIF":0.0,"publicationDate":"2025-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144886217","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Sorption-enhanced steam reforming technology for promoting hydrogen production with in-situ CO2 capture: Recent advances and prospects","authors":"Fabrice Ndayisenga ,&nbsp;Anam Jalil ,&nbsp;Ed W.J. van Niel ,&nbsp;Chengyu Zhang ,&nbsp;Longyu Wang ,&nbsp;Berhanu Sugebo Helallo ,&nbsp;Hikmatullah Ahmadi ,&nbsp;Théogène Habumugisha ,&nbsp;Yiming Zhang ,&nbsp;Dandan Zhou ,&nbsp;Zhisheng Yu","doi":"10.1016/j.ccst.2025.100479","DOIUrl":"10.1016/j.ccst.2025.100479","url":null,"abstract":"<div><div>Sorption-enhanced steam reforming (SorESR) is an advanced thermochemical process integrating in-situ CO₂ capture via solid sorbents to significantly enhance hydrogen production and purity. By coupling CO₂ adsorption with steam reforming, SorESR shifts the reaction equilibrium toward increased H₂ yield, surpassing the limitations of conventional steam reforming (SR). The efficacy of SorESR critically depends on the physicochemical properties of the solid CO₂ sorbents employed. This review critically evaluates widely studied sorbents, including Ca-based, Mg-based, hydrotalcite-like, and alkali ceramic sorbents, focusing on their CO₂ capture capacity, reaction kinetics, thermal stability, and cyclic durability under SR conditions. Furthermore, recent progress in multifunctional sorbent-catalysts that synergistically facilitate catalytic steam reforming alongside CO₂ sorption is critically discussed. Moreover, the review summarises recent performance achievements and proposes strategies to improve sorbent capacity and reaction kinetics, thereby making the SorESR process more appealing for commercial applications. Large-scale SorESR implementation is expected to substantially increase hydrogen production efficiency while concurrently reducing CO₂ emissions and advancing sustainable energy technologies. This review offers novel insights into the development of advanced sorbent-catalyst systems and provides new strategies for enhancing SorESR efficiency and scalability for commercial H₂ Production.</div></div>","PeriodicalId":9387,"journal":{"name":"Carbon Capture Science & Technology","volume":"16 ","pages":"Article 100479"},"PeriodicalIF":0.0,"publicationDate":"2025-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144860641","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Recent advances in carbon-based catalysts for CO2 hydrogenation toward circular economy","authors":"Hao Wen ,&nbsp;Haiquan Liao ,&nbsp;Xueyuan Pan ,&nbsp;Kang Sun ,&nbsp;Jianchun Jiang ,&nbsp;Yanlin Liao ,&nbsp;Xiangzhou Yuan ,&nbsp;Hao Sun","doi":"10.1016/j.ccst.2025.100482","DOIUrl":"10.1016/j.ccst.2025.100482","url":null,"abstract":"<div><div>Thermo-catalytic CO₂ hydrogenation with renewable energy-powered green H₂ is one of the most promising approaches for simultaneously producing fuels and chemicals (i.e., syngas, alcohol, and olefins,) and achieve a circular carbon economy. In order to successfully deploy commercial-scale CO₂ hydrogenation, numerous investigations have been conducted on synthesis of high-performance catalysts. The carbon-based catalysts with certain functionalization treatments have superior properties for achieving excellent CO₂ hydrogenation. Based on existing research findings, it is necessary to summarize the latest developments in the field of thermo-catalytic CO₂ hydrogenation for significantly contribute to the ongoing research and development in this vital area. In this review, we addressed current advances in the fabrication of carbon-based catalysts for CO₂ hydrogenation with representatives of porous carbon (PC), carbon nanotubes (CNTs), graphene, and metal–organic frameworks (MOFs) derived carbon materials. Detailed comprehensive assessments of carbon-based catalysts for CO₂ hydrogenation, involving the properties of support and metal, catalytic activity and selectivity, and their interactions were systematically discussed. Finally, future challenges and research trends in the development of carbon-based catalysts for commercial-scale CO₂ hydrogenation were addressed, shedding valuable lights on circular carbon economy and achieving UN Sustainable Development Goals including Goals 7, 12, and 13.</div></div>","PeriodicalId":9387,"journal":{"name":"Carbon Capture Science & Technology","volume":"16 ","pages":"Article 100482"},"PeriodicalIF":0.0,"publicationDate":"2025-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144879252","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Mechanisms for interactions of H2S and Hg0 with oxygen carrier LaMnO3 during chemical looping combustion: a DFT study","authors":"Zhongze Bai ,&nbsp;Kai H. Luo","doi":"10.1016/j.ccst.2025.100480","DOIUrl":"10.1016/j.ccst.2025.100480","url":null,"abstract":"<div><div>Mercury (Hg⁰) and hydrogen sulphide (H₂S) inevitably coexist during chemical looping combustion (CLC) of coal or coal-derived syngas. Their interactions with oxygen carriers are critical to understanding mercury transformation and removal. In this study, density functional theory (DFT) calculations were conducted to investigate the reaction mechanisms among Hg⁰, H₂S, and the LaMnO₃(010) surface (a Mn-based perovskite with excellent redox properties and thermal stability). Results show that H₂S, HS, and S chemisorb on the surface via stable S-Mn bonding, while HgS forms through parallel adsorption involving both Hg-Mn and S-Mn bonds. The preferred H₂S decomposition pathway involves simultaneous dehydrogenation to produce S* and H*, with H* subsequently forming H₂ or H₂O. Among the examined reaction routes, Hg⁰ reacts most favourably with S* via the Eley-Rideal mechanism, exhibiting the lowest energy barrier of 2.939 eV. These findings offer atomic-level insight into Hg-S interactions on LaMnO₃ surfaces and provide a theoretical foundation for the rational design of perovskite-based oxygen carriers (OCs) capable of efficient simultaneous mercury capture and sulphur stabilization, thereby advancing integrated Hg⁰ and HgS removal strategies in CLC systems.</div></div>","PeriodicalId":9387,"journal":{"name":"Carbon Capture Science & Technology","volume":"16 ","pages":"Article 100480"},"PeriodicalIF":0.0,"publicationDate":"2025-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144860642","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Concomitant generation of hydrogen during carbon dioxide storage in ultramafic massifs- state of the art with implications to decarbonization strategies","authors":"Mahmoud Leila ,&nbsp;Randy Hazlett ,&nbsp;Paul Mathews George ,&nbsp;Isabelle Moretti ,&nbsp;Zhaksylyk Kabashev ,&nbsp;Milovan Fustic","doi":"10.1016/j.ccst.2025.100481","DOIUrl":"10.1016/j.ccst.2025.100481","url":null,"abstract":"<div><div>Key strategies to mitigate the detrimental effects of climate change include a rapid transition to green, zero-carbon energy sources coupled with geological storage of CO₂. Mineral trapping of CO₂ recently emerged as one of the most efficient and lowest-risk approaches for long-term CO₂ sequestration. Given the high reactivity of ultramafic lithologies with CO₂, their potential for large-scale mineralization warrants further investigation. In addition to their capacity for CO₂ sequestration, ultramafic massifs are recognized as a potential source of natural hydrogen (H₂) through serpentinization. This dual functionality—CO₂ mineralization and H₂ generation—positions ultramafic lithologies as critical components in the emerging hydrogen economy and decarbonization strategies.</div><div>This article provides a comprehensive review of the current understanding of the processes governing natural hydrogen (H₂) generation and carbon dioxide (CO₂) mineralization across various ultramafic lithotypes. Although these processes can occur concurrently, the degree of mineral dissolution, oxidation, and subsequent precipitation exhibits substantial variability depending on the lithology. Moreover, the optimal temperature ranges for H₂ generation and CO₂ mineralization differ, further influencing their coupling potential. A viable window for dual functionality appears to involve oxidation–reduction with CO₂-saturated water, which liberates Mg²⁺ and Fe²⁺. Subsequently, Mg²⁺ reacts with excessive CO₂ to precipitate carbonate minerals, while Fe²⁺ is oxidized to produce H₂. Laboratory experiments demonstrate that specific ultramafic lithotypes enriched in magnesium-bearing mineral phases (e.g. brucite, forsterite, serpentine) are favorable for CO₂ mineralization. Additionally, incorporation of Fe²⁺ within these mineral phases during stages of serpentinization would be favorable for H₂ production. Mineralogical alterations induced by serpentinization and carbonation processes are characterized by distinct physical and geochemical signatures. These alterations result in significant variations in magnetic susceptibility, rock density, seismic wave velocity, and volatile content. Such measurable changes provide critical diagnostic tools for developing an integrated exploration framework aimed at identifying favorable zones, or \"sweet spots,\" for CO₂ mineralization and H₂ generation within ultramafic lithologies.</div></div>","PeriodicalId":9387,"journal":{"name":"Carbon Capture Science & Technology","volume":"16 ","pages":"Article 100481"},"PeriodicalIF":0.0,"publicationDate":"2025-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144829635","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A KAN-based interpretable framework for prediction of global warming potential across chemical space","authors":"Jaewook Lee,&nbsp;Xinyang Sun ,&nbsp;Ethan Errington ,&nbsp;Calum Drysdale,&nbsp;Miao Guo","doi":"10.1016/j.ccst.2025.100478","DOIUrl":"10.1016/j.ccst.2025.100478","url":null,"abstract":"<div><div>Accurate yet interpretable prediction of Global Warming Potential (GWP) is essential for the sustainable design of novel molecules, chemical processes and materials. This capability is valuable in the early-stage screening of compounds with potential relevance to carbon management and emerging CCUS applications. However, conventional models often face a trade-off between predictive accuracy and interpretability. In this study, we propose an AI-based GWP prediction framework that integrates both molecular and process-level features to improve accuracy while employing white-box modeling techniques to enhance interpretability. First, by incorporating molecular descriptors (MACCS keys, Mordred descriptors) and process-level information (process title, description, location), the Deep Neural Network (DNN) model achieved an R² of 86 % on the test data, representing a 25 % improvement over the most comparable benchmark reported in prior studies. XAI analysis further highlights the crucial role of process-related features, particularly process title embeddings, in enhancing model predictions. Second, to address the need for model transparency, we employed a Kolmogorov–Arnold Network (KAN) model to develop a symbolic, white-box GWP prediction model. While achieving a lower R² of 64 %, this model provides explicit mathematical representations of GWP relationships, enabling interpretable decision-making in sustainable chemical and process design. Our findings demonstrate that integrating molecular and process-level features improves both predictive accuracy and interpretability in GWP modelling. The resulting framework can support early-stage environmental assessment of novel compounds, offering a useful tool to inform the sustainable design of chemicals, including those with potential applications in CCUS.</div></div>","PeriodicalId":9387,"journal":{"name":"Carbon Capture Science & Technology","volume":"16 ","pages":"Article 100478"},"PeriodicalIF":0.0,"publicationDate":"2025-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144826964","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"One- or two-step processes: Which have a lower GHG emissions intensity for production of synthetic aviation fuel via indirect CO2 electrolysis?","authors":"Haoming Ma ,&nbsp;Shariful Kibria Nabil ,&nbsp;Keju An ,&nbsp;Emily Nishikawa ,&nbsp;Md Golam Kibria ,&nbsp;Joule A. Bergerson ,&nbsp;Zhangxin Chen ,&nbsp;Sean T. McCoy","doi":"10.1016/j.ccst.2025.100477","DOIUrl":"10.1016/j.ccst.2025.100477","url":null,"abstract":"<div><div>The development of sustainable aviation fuel (SAF) could pave the way towards addressing the dual challenges faced by the aviation sector: meeting rising demand for air transport and achieving net-zero targets. In this study, the well-to-pump (WtP) and well-to-wake (WtW) greenhouse gas (GHG) emissions intensity (EI) of aviation fuel production via four CO₂-indirect pathways (intermediate products are required) is estimated and the WtW GHG EI compared to conventional fossil-based and bio-ethanol pathways. We aim to determine whether a one- or two-step electrochemical conversion is more likely to result in lower GHG intensity aviation fuel, under what conditions pathways incorporating these electrochemical processes have a lower GHG EI than conventional crude oil-based and biomass-based jet fuels, and whether these CO₂-derived sustainable aviation fuel (CO₂-SAF) pathways can approach “carbon neutrality.” The key findings from this work are: (1) processes using ethylene as an intermediate tend to have a lower GHG EI, although there is not a meaningful difference between one- and two-step pathways; (2) all pathways could achieve a lower GHG EI than fossil and biomass based routes if the location is carefully selected to minimize the GHG EI of electricity supply and if the CO₂ source is strategically chosen; and (3) while these pathways have the potential to approach zero GHG emissions, emissions from fuel manufacturing will be challenging to eliminate entirely. Notably, the GHG EI of CO₂-based SAF is far more sensitive to background system parameters, such as the carbon intensity of electricity and CO₂ supply, than to technical parameters. Therefore, we suggest that background factors may play a greater role in determining GHG EI than technical innovation.</div></div>","PeriodicalId":9387,"journal":{"name":"Carbon Capture Science & Technology","volume":"16 ","pages":"Article 100477"},"PeriodicalIF":0.0,"publicationDate":"2025-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144841723","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Advancements in the treatment of amine-rich wastewater from amine-based post-combustion carbon capture: a review","authors":"Sepideh Hashemi Safaei,&nbsp;Stephanie Young","doi":"10.1016/j.ccst.2025.100475","DOIUrl":"10.1016/j.ccst.2025.100475","url":null,"abstract":"<div><div>Carbon capture and storage (CCS) plants play a pivotal role in reducing greenhouse gas emissions from carbon-intensive industries while enabling the continued use of fossil fuels. Among CCS methods, amine-based post-combustion capture is widely used for its efficiency and cost-effectiveness. However, the process generates substantial amine-rich wastewater containing harmful compounds like amines, ammonia, nitramines, sulfate, and nitrosamines, posing significant environmental and health challenges. This review examines recent developments in treating amine-rich wastewater, with a focus on economically viable and environmentally sustainable solutions. It discusses amine degradation pathways, byproduct toxicity, and the environmental impacts of untreated wastewater. By examining the physical, chemical, and biological technologies, biological processes, such as the pre-denitrification-nitrification process, stand out as effective and eco-friendly solutions for treating amine-rich wastewater. This study also proposes anaerobic ammonium oxidation (ANAMMOX) as a promising approach due to the low carbon-to-nitrogen ratio of CCS wastewater. A combined denitrification-anammox process is recommended to improve nitrogen removal efficiency by producing an ammonium- and bicarbonate-rich effluent that favors anammox bacterial growth. However, its effectiveness has not yet been evaluated, highlighting the need for further research. The conducted literature review also reveals that most existing research has focused on the removal of individual wastewater components rather than treating actual CCS wastewater, highlighting the need for integrated, scalable treatment approaches tailored to real CCS effluents.</div></div>","PeriodicalId":9387,"journal":{"name":"Carbon Capture Science & Technology","volume":"16 ","pages":"Article 100475"},"PeriodicalIF":0.0,"publicationDate":"2025-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144772233","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Unveiling the pivotal role of Ni doping in ilmenite as oxygen carrier to realize simultaneous enhanced oxygen release and inhibited phase segregation in chemical looping process","authors":"Haochen Sun ,&nbsp;Susanna T. Maanoja ,&nbsp;Lujiang Xu ,&nbsp;Huan Liu ,&nbsp;Daofeng Mei ,&nbsp;Wen-Da Oh ,&nbsp;Chao He","doi":"10.1016/j.ccst.2025.100474","DOIUrl":"10.1016/j.ccst.2025.100474","url":null,"abstract":"<div><div>Biomass chemical looping gasification (BCLG) has demonstrated great potential in tackling global climate challenges through green energy transition. However, CH₄ and tar generation are still significant obstacles for the commercialization of BCLG. In this study, we have developed a cost-effective Ni-modified ilmenite oxygen carrier (OC) for BCLG to greatly reduce the CH₄ content and simultaneously increase the syngas generation. Several industrial wastes were investigated and screened based on their syngas and CH₄ reactivity. Results show that ilmenite exhibits excellent syngas selectivity and potential reactivity with CH₄. However, the reaction of ilmenite with CH₄ proceeds slowly owing to the phase transformation process of TiFe₂O₅ - TiFeO₃ - Fe being the rate-limiting step. Thus, various metallic dopants (i.e., Ni, Co, and Ca) were applied as promoters to reinforce its CH₄ reactivity. Interestingly, Ni exhibited a higher promoting effect than Ca, whereas Co had little promotion on ilmenite reactivity. The superior performance of Ni doping could be attributed to the incorporation of Ni²⁺ element in Fe-O-Ti structure rather than Ni⁰, which was validated by pre-activation and cyclic experiments, and density functional theory calculations. Modulated electronic structure by Ni²⁺ in Fe-O-Ti lattice was responsible for significantly promoted oxygen release capacity and enhanced Fe/Ti interactions, thereby activating the reactivity of ilmenite with CH₄ and suppressing Ti/Fe phase segregation. Therefore, this as-prepared 5Ni-ilmenite could be a promising cost-effective OC in BCLG for high quality syngas production.</div></div>","PeriodicalId":9387,"journal":{"name":"Carbon Capture Science & Technology","volume":"16 ","pages":"Article 100474"},"PeriodicalIF":0.0,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144780884","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Carbon supported dual functional materials for integrated carbon dioxide capture and methanation: Performance of different support materials and carbon footprint assessment","authors":"Lanxun Zhao ,&nbsp;Ruting Nie ,&nbsp;Zhenliang Guo ,&nbsp;Jiawen Hu ,&nbsp;Qiang Hu ,&nbsp;Shuiping Yan ,&nbsp;Dingding Yao ,&nbsp;Haiping Yang","doi":"10.1016/j.ccst.2025.100473","DOIUrl":"10.1016/j.ccst.2025.100473","url":null,"abstract":"<div><div>Integrated CO₂ capture and utilization (ICCU) serves an effective strategy to achieve carbon neutrality, while the dual function materials (DFMs) are the key for high-efficient ICCU process. A series of CaO<img>Ni based DFMs with different support materials, including Al₂O₃, CeO₂, graphene (GPE) and commercial multi-walled carbon nanotubes (MWCNTs), were synthesized and compared for integrated CO₂ capture and methanation (ICCM). The effect of operational temperatures on carbon conversion and CH₄ production was also explored. Results show that metal oxides supported DFMs exhibit relatively high CH₄ yield, while the carbon materials possessed comparable activity but very good durability in a continuous ICCM test for 10 cycles. The improved stability was contributed by the resistance in metal phase aggregation which restrained the increase of Ni particle size during cycle test. A favorable performance with CO₂ capture capacity of 0.24 mmol/g_DFMs and CO₂ conversion of 80 % were achieved in the presence of DFMs supported by commercial MWCNTs at 450 °C. Furthermore, cost-effective plastic waste derived MWCNTs were used to replace the commercial samples for the above ICCM process from a green and sustainable perspective. It is found that Co modified CaO<img>Ni DFMs supported by plastic derived MWCNTs displayed excellent performance with approximately 0.15 mmol/g_DFMs of CH₄ yield and even 100 % of CH₄ selectivity in ICCM. This may be contributed by the enhanced CO₂ adsorption/activation and H₂ chemisorption with Co addition. Carbon footprint assessment show that the plastic waste assisted ICCM process achieved around 92 % and 20 % reduction in global warming potential compared to two prevalent industrial carbon conversion and methanation scenarios. These findings highlight the promising potential of the proposed ICCM for enhancing industrial sustainability and combating climate change.</div></div>","PeriodicalId":9387,"journal":{"name":"Carbon Capture Science & Technology","volume":"16 ","pages":"Article 100473"},"PeriodicalIF":0.0,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144749498","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}