Journal of Cleaner Production最新文献

{"title":"Valuation of the 2020 Gross Ecosystem Product of China and Analysis of Driving Factors","authors":"Kairui Li, Hong Fan, Jiani Ouyang, Peiwen Yao","doi":"10.1016/j.jclepro.2025.145741","DOIUrl":"https://doi.org/10.1016/j.jclepro.2025.145741","url":null,"abstract":"Gross ecosystem product (GEP) is the total value of ecological goods and ecosystem services provided by ecosystems. An adequate assessment of the GEP is important for balancing economic development and ecological protection. In this study, the GEP of China in 2020 was calculated based on the latest 2022 GEP accounting guidelines. Its spatial characteristics were analysed using standard deviation ellipses, kernel density analysis, and spatial autocorrelation analysis. The GEP correlation analysis was conducted based on principal component analysis and multiple linear regression, whereas the GEP driver analysis was performed using Geodetector. The results show that the GEP value of China reached 66.11 trillion CNY in 2020, with rural areas having contributed 13.23 times greater GEP than did urban areas; the per capita GEP in rural areas was 5.8 times greater than that in urban areas. The forest ecosystem had the highest GEP value among all terrestrial ecosystems, representing 47.73% of the total GEP value. The GEP of the urban ecosystem was generally underestimated, as it was the third most significant contributor, with a 7.03% share of the total GEP. Environmental factors have a higher impact on GEP than do social factors, and temperature and rainfall were identified as the main drivers. The results of this analysis support our recommendation that policymakers should consider optimising the allocation of economic and ecological factors to increase both GDP and GEP outputs within a limited space and complement incentive policies for regions with high GEP outputs.","PeriodicalId":349,"journal":{"name":"Journal of Cleaner Production","volume":"1 1","pages":""},"PeriodicalIF":11.1,"publicationDate":"2025-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144083272","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A 1O2-dominated metal-free electro-Fenton floating system for water decontamination","authors":"Xuejing Zhang, Zhuang Chen, Yimei Zhang, Xi Yang","doi":"10.1016/j.jclepro.2025.145745","DOIUrl":"https://doi.org/10.1016/j.jclepro.2025.145745","url":null,"abstract":"The heterogeneous electro-Fenton (EF) process encounters major obstacles, such as high costs and the risk of secondary pollution. Herein, we proposed a metal-free EF system utilizing a cost-efficient floating electrode composed of boron-modified acetylene black (BAB). The system enhanced H<sub>2</sub>O<sub>2</sub> production and promoted the generation of reactive oxygen species (ROS), effectively degrading bisphenol A (BPA). The floating cathode promoted the natural oxygen diffusion to the reaction interface, removing the requirement for pumping oxygen or air. Moreover, this system enhanced H<sub>2</sub>O<sub>2</sub> production 8-fold (451.25 mg/L) compared to conventional vertical mode. Singlet oxygen (<sup>1</sup>O<sub>2</sub>) was found to be the key ROS during BPA degradation, contributing 50.82%, while hydroxyl radicals (•OH) and superoxide radicals (<span><span style=\"\"></span><span data-mathml='<math xmlns=\"http://www.w3.org/1998/Math/MathML\" />' role=\"presentation\" style=\"font-size: 90%; display: inline-block; position: relative;\" tabindex=\"0\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"0.24ex\" role=\"img\" style=\"vertical-align: -0.12ex;\" viewbox=\"0 -51.7 0 103.4\" width=\"0\" xmlns:xlink=\"http://www.w3.org/1999/xlink\"><g fill=\"currentColor\" stroke=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"></g></svg><span role=\"presentation\"><math xmlns=\"http://www.w3.org/1998/Math/MathML\"></math></span></span><script type=\"math/mml\"><math></math></script></span>) contributed 28.62% and 20.55%, respectively. The long lifetime and environmental interference resistance of <sup>1</sup>O<sub>2</sub> were effectively utilized. Theoretical models and experiments indicated that the -BC<sub>2</sub>O group promoted H<sub>2</sub>O<sub>2</sub> generation, while the -BC<sub>3</sub> group facilitated the production of •OH and the interconversion between •OH, <span><span style=\"\"></span><span data-mathml='<math xmlns=\"http://www.w3.org/1998/Math/MathML\" />' role=\"presentation\" style=\"font-size: 90%; display: inline-block; position: relative;\" tabindex=\"0\"><svg aria-hidden=\"true\" focusable=\"false\" height=\"0.24ex\" role=\"img\" style=\"vertical-align: -0.12ex;\" viewbox=\"0 -51.7 0 103.4\" width=\"0\" xmlns:xlink=\"http://www.w3.org/1999/xlink\"><g fill=\"currentColor\" stroke=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"></g></svg><span role=\"presentation\"><math xmlns=\"http://www.w3.org/1998/Math/MathML\"></math></span></span><script type=\"math/mml\"><math></math></script></span>, and <sup>1</sup>O<sub>2</sub>. Additionally, the system maintained stable catalytic efficiency over an extensive pH range (3-11). Furthermore, the BAB-70 electrode required a cost of approximately $9.2×10<sup>-5</sup> for H<sub>2</sub>O<sub>2</sub> production at a rate of 1 mg/L, representing a reduction of 11-fold to 4865-fold compared to the electrodes reported in previous studies. The study demonstrates an innovative strategy for advancing electroch","PeriodicalId":349,"journal":{"name":"Journal of Cleaner Production","volume":"2 1","pages":""},"PeriodicalIF":11.1,"publicationDate":"2025-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144083310","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Decarbonization pathways for the plastic packaging industry: Revealing the synergistic mechanism of plastic lifecycle management","authors":"Yifan Gu, Mingxuan Tuo, Yufeng Wu, Rui Li, Guangwen Hu, Yihan Li, Huining Song, Tieyong Zuo","doi":"10.1016/j.jclepro.2025.145747","DOIUrl":"https://doi.org/10.1016/j.jclepro.2025.145747","url":null,"abstract":"The plastic packaging industry has the largest consumption of plastics. It is crucial to explore the decarbonization pathways of the plastic packaging industry to help fulfill greenhouse gases emission (GHGs) reduction targets. We use material flow analysis and lifecycle assessment method to investigate nine scenarios based on eco-design, circular economy, and technological innovation. We analyze the consumption and GHGs of China’s plastic packaging industry from 2000 to 2020, exploring the potential for GHGs reduction under different scenarios. The results show that China’s plastic packaging consumption will continue to grow from 2020 to 2060, reaching 74.6 million tonnes (Mt). Plastic packaging consumption in the food sector is predicted to surpass that of the non-food sector in 2044. Meanwhile, polyethylene will become the predominant plastic used in the packaging industry. By 2060, the transportation sector will have the largest in-use stock of plastic packaging. The policy combination scenario can achieve GHGs peaking before 2030, while a GHGs gap of 32.9 Mt will persist until 2060. By further improving the recycling rate, reducing the consumption of degradable plastics, and increasing the application of carbon capture, utilization, and storage (CCUS) technology, the plastic packaging industry is expected to achieve the net-zero carbon emission target.","PeriodicalId":349,"journal":{"name":"Journal of Cleaner Production","volume":"7 1","pages":""},"PeriodicalIF":11.1,"publicationDate":"2025-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144083271","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Understanding cross-market strategic behaviors of prosumers: An equilibrium-driven evolutionary game approach","authors":"Kai Kang, Yifan Su, Peng Yang, Zhaojian Wang, Yunfan Zhang, Ning Qi, Feng Liu","doi":"10.1016/j.jclepro.2025.145345","DOIUrl":"https://doi.org/10.1016/j.jclepro.2025.145345","url":null,"abstract":"The rise of prosumers and the success of the sharing economy have catalyzed the development of energy sharing market (ESM), which is set to coexist with the conventional distribution energy market (DEM). However, the behaviors of prosumers within this evolving landscape remain underexplored due to the complex interactions among prosumers, ESM, and DEM. This paper presents a novel equilibrium-driven evolutionary game (EDEG) model that allows prosumers with bounded rationality to trade energy and choose participation in DEM, ESM, or both. Unlike previous studies, prosumers’ profits in this model are determined by the market-clearing equilibria, which in turn influence their market selection. The prosumers’ bidding strategies make the market clearing a hard-solving generalized Nash game (GNG). To overcome this, we convert the GNG into an equivalent, more tractable optimization problem, and then incorporate the generalized Nash equilibrium (GNE) into the EDEG model. Building on this foundation, we derive a solution algorithm and establish sufficient convergence conditions for the model. Additionally, by analyzing the equilibria, the EDEG model sheds light on the prosumers’ market selection preferences, cross-market strategic behaviors, sharp price jumping in ESM, and the conditions necessary for the stable coexistence of ESM and DEM. Furthermore, an improved pricing scheme for DEM is proposed to mitigate cross-market arbitrage behaviors and alleviate market price volatility. Finally, the simulations of six prosumer groups over 10,000 days (approximately 27.4 years) validate the theoretical findings and show the effectiveness of the improved scheme in suppressing cross-market arbitrage and stabilizing the electricity price for ESM.","PeriodicalId":349,"journal":{"name":"Journal of Cleaner Production","volume":"54 1","pages":""},"PeriodicalIF":11.1,"publicationDate":"2025-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144067266","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Generation Z goes Circular: Participation in Business Models","authors":"Sofia Gomes, José C. Casillas","doi":"10.1016/j.jclepro.2025.145749","DOIUrl":"https://doi.org/10.1016/j.jclepro.2025.145749","url":null,"abstract":"The transition from linear to circular business models has been accelerated in recent years, valuing the role of companies but underestimating consumers' contribution to this transformation. The objective of this study is to explore the willingness of Portuguese Generation Z consumers to participate in the circular economy (CE), with circular habits and the functional value perceived by these consumers of circular products being considered as drivers of this participation. To this end, this study used a quantitative methodology, having collected, by questionnaire, a sample made up of 578 young Portuguese Generation Z and applying the Partial Least Square (PLS) method to a formulated research model. The results reveal that consumers' circular habits positively influence circular products' functional value-price and functional value-quality. In turn, the perceived functional value positively influences consumers' willingness to participate in CE, contrary to circular habits that were not statically significant in influencing this participation. However, circular habits positively influence consumers' willingness to participate in CE when mediated by the perceived functional value of circular products. This study demonstrates, for the first time, that the participation of Generation Z consumers in CE can be signalled through the functional value perceived by consumers of circular products within the scope of signalling theory. It contributes to narrowing the gap in the literature on effective consumer participation in circular business models and on the circular behavior of Generation Z consumers. Furthermore, it is the first study to use five circular habits simultaneously.","PeriodicalId":349,"journal":{"name":"Journal of Cleaner Production","volume":"30 1","pages":"145749"},"PeriodicalIF":11.1,"publicationDate":"2025-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144083274","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Iron-Doped Biochar Boosting Salt Marsh Blue Carbon via Regulation of Microbial Metabolism and Intensified Mineral-Associated Organic Carbon","authors":"Guojiang Su, Yuzhou Huang, Dongyang Fan, Yaran Pan, Yingjie Zhu, Yang Liu, Haomin Huang, Xi Xiao","doi":"10.1016/j.jclepro.2025.145750","DOIUrl":"https://doi.org/10.1016/j.jclepro.2025.145750","url":null,"abstract":"Salt marsh ecosystems, with substantial carbon sequestration capacity and ecological value, are experiencing a persistent decline globally. Biochar, especially that derived from <em>Spartina alterniflora</em>, is a promising material for restoration, but conventional biochar has shown limited effectiveness. This study introduces iron-doped biochar (FSBC) as an innovative material that boosts salt marsh blue carbon via regulation of microbial metabolism and intensified mineral-associated organic carbon (MAOC) formation. In experimental cultivation of <em>Sesuvium portulacastrum</em>, the addition of FSBC increased biomass density by 332.4%, carbon stock by 14.0%, and MAOC by 38.3% compared to biochar without iron amendment. These results suggest that FSBC can significantly improve both plant growth and carbon storage in salt marshes. Through microbiome and metabolome analyses, we elucidated the regulatory mechanisms of Fe in plants and its protective role in soil carbon components. FSBC affected bacteria associated with Fe like <em>Pseudomonadales</em> and <em>Croceicoccus</em>, thereby influencing metabolic pathways related to energy transporters and nutrient uptake in plants, including ABC transporters and phenylalanine metabolism. These changes in metabolic pathways promote the accumulation of soil organic acids, enhancing plant iron nutrition. Additionally, FSBC regulates soil Fe components and key microbial communities, promoting Fe-carbon complexation and reducing carbon-related extracellular enzyme activity, thereby enhancing stable carbon accumulation. In conclusion, regulating microbial metabolism and intensifying mineral-associated organic carbon by addition of iron-Doped Biochar significantly enhance blue carbon sequestration in salt marshes. This provides a promising approach for salt marsh restoration.","PeriodicalId":349,"journal":{"name":"Journal of Cleaner Production","volume":"10 1","pages":"145750"},"PeriodicalIF":11.1,"publicationDate":"2025-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144083273","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Role of Advanced Steelmaking Technologies in Global Climate Change Mitigation Scenarios","authors":"Angelo Gurgel, Kali Benavides, Jennifer Morris, Bryan K. Mignone, Bryan Chapman, Haroon Kheshgi, Howard Herzog, Sergey Paltsev","doi":"10.1016/j.jclepro.2025.145726","DOIUrl":"https://doi.org/10.1016/j.jclepro.2025.145726","url":null,"abstract":"This study explores different decarbonization strategies in the iron and steel sector using the MIT Economic Projection and Policy Analysis (EPPA) model, a multi-sector, multi-region model of the world economy. Opportunities to switch away from coal-based production processes and toward processes employing electric arc furnaces (EAF) in conjunction with either scrap steel or direct reduced iron (DRI) fueled by either natural gas with carbon capture and storage (NG CCS DRI-EAF) or hydrogen (H₂ DRI-EAF) are considered. Under global mitigation scenarios, adoption of advanced steelmaking technologies can enable deep decarbonization of the steel sector by 2050, but the scale of their deployment depends on assumed costs. Under base cost assumptions, a combination of switching from conventional technologies that use coal to those that use electricity and natural gas, greater use of scrap, and demand reduction can lower iron and steel sector emissions by more than 50% relative to today, but deeper decarbonization remains challenging. When the cost of advanced steelmaking technologies is assumed to be lower, there is substantial deployment of NG CCS DRI-EAF, while H₂ DRI-EAF is deployed only if the cost of hydrogen production is also assumed to be lower. Across the scenarios considered, steel-related direct emissions are abated by about 45-75% relative to a reference case at a CO₂ price of $200/tCO₂. Overall, steelmaking can be more or less costly to decarbonize compared to the energy sector as whole, depending on technology assumptions.","PeriodicalId":349,"journal":{"name":"Journal of Cleaner Production","volume":"4 1","pages":"145726"},"PeriodicalIF":11.1,"publicationDate":"2025-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144083275","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Strategic Nuclear Waste Management for Reducing Environmental Impacts: Innovative Decomposed Fuzzy Methods","authors":"Saeed Alinejad, Zahra Khoshsepehr, Moslem Alimohammadlou","doi":"10.1016/j.jclepro.2025.145728","DOIUrl":"https://doi.org/10.1016/j.jclepro.2025.145728","url":null,"abstract":"In the face of global environmental pollution and efforts to reduce carbon emissions, nuclear energy is gaining attention as an effective method for low-carbon energy production. However, the management of nuclear waste presents diverse challenges due to varying levels of contamination and the severity of its impacts on the environment, humans, and animals. This research aims to develop a model of nuclear waste management challenges and subsequently evaluate these challenges through the design and development of Decomposed Fuzzy DEMATEL and Decomposed Fuzzy SWARA methods. To reach this goal, four steps were followed: A scoping review was used to find problems with managing nuclear waste; the TISM method was used to create a conceptual model; the Decomposed Fuzzy-SWARA method was used to find the biggest problems; and the Decomposed Fuzzy-DEMATEL method was used to find the connections between criteria. Economic liability (CH33) and risk assessment and management (CH22) are the most important challenges in nuclear waste management, according to the TISM method. The Decomposed Fuzzy-SWARA method results show that social, management, and political challenges (0.23) are the most critical in nuclear waste management. Decomposed fuzzy DEMATEL results reveal that social, management, and political challenges, as well as environmental challenges, are the most influential, while economic challenges are the most affected. The novelty of this research lies primarily in presenting a comprehensive model of nuclear waste management challenges, followed by the development of two methods, SWARA and DEMATEL, in a decomposed fuzzy set for the first time in fuzzy science. This study will contribute to the insights, strategies, and critical priorities of managers and stakeholders in nuclear waste management by providing a macro perspective. Furthermore, by creating theoretical developments in fuzzy sets, it will assist researchers in various scientific fields in employing precise tools for their prioritizations. One of the global implications of this research is its contribution to reducing environmental damages caused by nuclear waste leakage.","PeriodicalId":349,"journal":{"name":"Journal of Cleaner Production","volume":"16 1","pages":""},"PeriodicalIF":11.1,"publicationDate":"2025-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144067264","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"In situ visible/UV-light effective degradation of pure and mixed bentazon, diclofenac, and methyl-orange pollutants on BiOBr nanoplates UiO-66 nanoparticle-decorated, sonochemically","authors":"Bahman Rezaei, Mehrdad Khamforoush, Farhad Rahmani","doi":"10.1016/j.jclepro.2025.145744","DOIUrl":"https://doi.org/10.1016/j.jclepro.2025.145744","url":null,"abstract":"In this study, BiOBr nanoplates decorated with pre-synthesized UiO-66 nanoparticles (0, 5, 7.5, 10, and 15 wt.%) were prepared through in situ sonicated spontaneous precipitation and examined in the elimination of pure and mixed bentazon, diclofenac and methyl-orange under UV and visible light. The samples were characterized by XRD, FESEM/EDX, N₂ adsorption-desorption, FTIR, UV-Vis and PL techniques. The variation of UiO-66 content reduced BiOBr nanoplate overlapping up to 7.5 wt.%, improving optical and surface characteristics. However, the further decoration alleviates the synergetic impact of UiO-66 because of the surface coverage of BiOBr nanoplates and weak intra-particles interaction. In accordance with characterization results, an increase-decrease trend was observed for adsorption capacity and photocatalytic performance of bentazon degradation. Accordingly, 7.5 wt.% seems to be the optimum content of UiO-66 nanoparticles for the structural decoration of BiOBr nanoplates which can effectively eliminate bentazon, diclofenac and methyl-orange, and various combinations of these three organic pollutants. Under UV light irradiation, the optimal composite photocatalyst (BU-7.5) eliminates 80% of bentazon, 85% of diclofenac, and 100% of methyl-orange, respectively. The same pollutants are eliminated under visible light irradiation (LED lamp) at 68%, 71.5%, and 99.8%, respectively. Moreover, the impact of photocatalysis conditions including photocomposite dosage, concentration and composition of contaminants, solution pH, and illumination time on the photocatalytic performance was assessed using one factor at a time (OFAT) approach. In optimum photocatalysis conditions, the reusability results and post-characterization confirm the sustained performance and structural stability of the UiO-66-decorated BiOBr photocomposite. Finally, a reaction mechanism was also proposed.","PeriodicalId":349,"journal":{"name":"Journal of Cleaner Production","volume":"29 1","pages":""},"PeriodicalIF":11.1,"publicationDate":"2025-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144067306","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Research on the preparation and performance characteristics of activated copper tailings grouting material based on solid waste synergy","authors":"Xiang Qiu, Jie Yao, Zhongming He, Yang LI, Lihang Hu, Runxing Zhang, Jingcheng Chen","doi":"10.1016/j.jclepro.2025.145739","DOIUrl":"https://doi.org/10.1016/j.jclepro.2025.145739","url":null,"abstract":"With China’s rapid economic and societal development, the increasing amount of industrial solid waste, among which tailings are predominant, is seriously threatening ecological and environmental safety. To address the dual objectives of developing grouting materials and disposing of copper tailings, this study develops a new grouting material using copper tailings (CT), ground granulated blast furnace slag (GGBFS), and metakaolin (MK) as raw materials. Copper tailings have been activated through different methods, including grinding, chemical additives, and calcination. The activation mechanisms are analyzed through X-ray Diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR), and Scanning Electron Microscopy (SEM). Response surface methodology (RSM) was employed to examine the interactions among factors influencing the experimental response variables. The research results indicate that the optimal grinding time for copper tailings is 20 minutes, and the optimal calcination temperature for copper tailings is 800°C. The activity index of copper tailings under different activation methods is ranked from highest to lowest as follows: mechanical-chemical-thermal activation (81.4%), mechanical-chemical activation (79.6%), mechanical-thermal activation (75.7%), mechanical activation (74.5%), and thermal activation (71.8%). Considering both activation cost and efficiency, mechanical-chemical activation is identified as the optimal activation method. The optimal mix proportions of the grouting materials are 20.6% CT, 11.5% GGBFS, and 8.4% MK. This grouting material exhibits excellent resistance to corrosion in aqueous, saline, acidic, and alkaline environments. In the grouting model test, the average compressive strength of the reinforced body reaches 3.09 MPa. The grout uniformly fills and encapsulates both external surfaces and internal cracks in the geotechnical body, showcasing excellent diffusion and reinforcement performance. This study provides a high-performance, low-cost grouting material for engineering construction, and offers an innovative approach to the resource utilization of tailings and other solid wastes.","PeriodicalId":349,"journal":{"name":"Journal of Cleaner Production","volume":"74 1","pages":""},"PeriodicalIF":11.1,"publicationDate":"2025-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144067265","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}