Amir Tavana Amlashi , Hamidreza Allahdadi , Alan Whittington , Samer Dessouky
{"title":"Bio-based Light-Transmitting Concrete for solar-sidewalk applications: Evaluation of mechanical, optical and thermal characteristics","authors":"Amir Tavana Amlashi , Hamidreza Allahdadi , Alan Whittington , Samer Dessouky","doi":"10.1016/j.jclepro.2025.146832","DOIUrl":"10.1016/j.jclepro.2025.146832","url":null,"abstract":"<div><div>Light-Transmitting Concrete (LTC) provides a sustainable and innovative solution for integrating solar energy harvesting into pavements, addressing the dual goals of energy efficiency and environmental responsibility. This study examined the mechanical, optical, and thermal properties of LTC made with recycled glass and bio-based epoxy, targeting optimization for solar-sidewalk applications. Mixes with varying epoxy-to-glass ratios (4.75–12.7 mm aggregates) were tested for compressive strength, light transmittance, and thermal conductivity. Spectroscopic analysis showed a maximum light transmittance of 69 % in a mix of 48 % epoxy and 52 % glass by volume. The optimized mix achieved a thermal conductivity of 0.43 W/m·K, balancing insulation and structural integrity. Temperature-dependent behavior indicated that epoxy contributed to thermal sensitivity, while glass provided stability. Field testing confirmed the effective integration of LTC with photovoltaic panels, with stable power generation and superior thermal retention, especially under low-irradiance conditions. The LTC module achieved a Levelized Cost of Electricity (LCOE) of $0.57/kWh and avoided 1280 kgCO<sub>2</sub>eq/m<sup>2</sup> of emissions over 20 years, outperforming several conventional PV pavement systems. These findings offer a practical framework for applying LTC in energy-harvesting sidewalks, promoting resilient and eco-friendly infrastructure.</div></div>","PeriodicalId":349,"journal":{"name":"Journal of Cleaner Production","volume":"530 ","pages":"Article 146832"},"PeriodicalIF":10.0,"publicationDate":"2025-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145289065","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":"Voluntary or mandatory? Convergence and coexistence of “dual carbon” markets: A system dynamics analysis based on multi-agent evolutionary games","authors":"Yue Wang, Bangjun Wang, Linyu Cui","doi":"10.1016/j.jclepro.2025.146841","DOIUrl":"10.1016/j.jclepro.2025.146841","url":null,"abstract":"<div><div>In the context of intensifying global climate change and the deepening advancement of \"dual carbon\" goals, exploring the synergistic mechanisms between voluntary and mandatory carbon markets has become a critical pathway for achieving systemic emission reductions in China. To realize effective integration and dynamic coexistence of these two markets, this study employs evolutionary game theory and system dynamics to construct a tripartite game model involving the government, traditional and renewable energy enterprises. This research demonstrates that: (a) There exists a synergistic threshold effect between carbon prices and subsidies. A critical carbon price triggers a significant increase in the proportion of traditional energy enterprises engaging in active emission reduction, while subsidies exceeding a certain threshold can result in excessive regulatory costs. (b) Public evaluations significantly drive the strategic evolution of market participants. Public willingness-to-lose and government reputation loss can accelerate corporate emission reduction efforts and enhance the intensity of governmental regulatory actions. (c) High carbon prices combined with tiered subsidy mechanisms can shorten the technological transition periods for traditional energy enterprises. The development of proactive emission reduction processes requires supportive government subsidies to mitigate risks. Based on these findings, the work proposes specific policy recommendations and stage-wise implementation pathways.</div></div>","PeriodicalId":349,"journal":{"name":"Journal of Cleaner Production","volume":"530 ","pages":"Article 146841"},"PeriodicalIF":10.0,"publicationDate":"2025-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145290163","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":"Residential end-use water demand analysis for a heterogeneous urban water and sanitation configuration in Siem Reap, Cambodia","authors":"Simon Ross , Simon Fane , Tim Foster , Sunday Yim","doi":"10.1016/j.jclepro.2025.146757","DOIUrl":"10.1016/j.jclepro.2025.146757","url":null,"abstract":"<div><div>A major limitation in planning urban water and sanitation in low- and middle-income countries is the capacity to define what services already exist in contexts that are challenging to meter. This paper demonstrates how residential water end-use analysis may be applied to model a detailed without-project situation and help to identify contextually relevant least-cost interventions. We present such an end-use analysis for a heterogeneous infrastructure configuration in Siem Reap Municipality, Cambodia. This analysis sampled end-use consumption data from 97 of 1630 geographically stratified households from 14 enumeration zones in two adjacent villages. The study represents a socio-technically diverse population accessing services from a mix of service provision types and household infrastructures at a high spatial resolution. A semi-structured survey questionnaire, observation protocol, and empirical flow measurements were used to collect end-use parameter data (frequency, duration, and volume or flow rate). Our analysis effectively disaggregates daily per capita demand for socio-demographic attributes, including income level, household size, length of tenure, different water access typologies and wastewater sinks. Bottom-up water balances of this nature provide a flexible and inclusive basis for identifying, forecasting and comparing how possible water and sanitation options may impact urban households differently in a Southeast Asian context.</div></div>","PeriodicalId":349,"journal":{"name":"Journal of Cleaner Production","volume":"530 ","pages":"Article 146757"},"PeriodicalIF":10.0,"publicationDate":"2025-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145289064","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":"Comparative LCA of fully biobased and synthetic polymer composites accounting for fiber treatment","authors":"Iacopo Bianchi , Archimede Forcellese , Iman Taha","doi":"10.1016/j.jclepro.2025.146846","DOIUrl":"10.1016/j.jclepro.2025.146846","url":null,"abstract":"<div><div>Given the increasing industrial use of composite materials, the reliance on synthetic fibers and petrol based polymers matrixes has raised environmental sustainability concerns. Natural fibers and bio-based polymers represent a sustainable solution that can be employed to substitute traditional composite, while maintaining high mechanical properties. This paper presents a sustainability assessment using Life Cycle Assessment (LCA), to compare traditional and innovative bio-based composite materials produced via vacuum assisted infusion and injection molding. Glass fiber reinforced polymers were selected as the reference for evaluating the environmental impact and benefits of flax fiber/bio polyester and bio polyamide composites. This study is the first to provide comprehensive inventory data on bio-polyamide production, along with a detailed sustainability evaluation of natural fiber treatments (i.e. alkali, plasma and silane treatments). In addition, it offers a novel perspective by investigating not only aesthetic components with defined geometry, but also structural parts with defined strength and stiffness requirements. Results showed significant benefits associated with the bio composites in contrast to the glass fibre reinforced composites, with impact reduction reaching up to 30 %. It was shown that raw material preparation plays a significant role in the overall impacts. Hence, switching to natural resources can contribute to the reduction of the CO<sub>2</sub> footprint of the composite sector. In addition, the study proved that bio composites can provide environmental benefits not only for aesthetic components but also for structural parts.</div></div>","PeriodicalId":349,"journal":{"name":"Journal of Cleaner Production","volume":"530 ","pages":"Article 146846"},"PeriodicalIF":10.0,"publicationDate":"2025-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145290075","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":"Optimized electrolytic reduction of iron oxide and hematite ore in molten lithium carbonate","authors":"Simin Moradmand, Tom Honeyands, Jessica Allen","doi":"10.1016/j.jclepro.2025.146828","DOIUrl":"https://doi.org/10.1016/j.jclepro.2025.146828","url":null,"abstract":"Achieving the production of iron without associated carbon emissions is a critical goal for iron and steel industries in the global pursuit of net-zero. Among emerging technologies, electrolytic reduction of iron ore has received the least attention despite its promise as a direct and efficient approach. This technology uses electrolysis to separate oxygen from iron, renewable electricity providing a sustainable driving force compared to traditional carbon-based methods. In this study, high-purity iron was successfully produced via the electrolysis of iron (III) oxide dissolved in molten lithium carbonate at 750 °C. The process yielded metallic iron with >90 wt % purity, high crystallinity and particle sizes ranging from 300 to 600 μm. Experimental parameters including temperature, electrode materials, electrolyte composition, electrochemical control parameters, and post-treatment methodologies were systematically investigated to optimize the process and understand the reduction phenomenon. Results indicated that the solubility of iron (III) oxide in lithium carbonate evolves over time and can be influenced by certain additives. A Faradaic efficiency of >75 % was achieved using graphite as the cathode and SnO<sub>2</sub> as an effective inert anode, outperforming all other tested electrode materials. The electrolysis conditions optimized for iron oxide were successfully applied to Australian hematite-goethite iron ore, yielding no observed gangue contamination of the product and improved Faradaic efficiency of >90 %. This demonstrates the potential for using iron electrolysis for real medium-grade iron ores.","PeriodicalId":349,"journal":{"name":"Journal of Cleaner Production","volume":"41 1","pages":""},"PeriodicalIF":11.1,"publicationDate":"2025-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145295285","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}
Shane Timmons, Adam J. Shier, Olga Poluektova, Peter D. Lunn
{"title":"Fashion, fast or slow? Effects of binary and graded eco-labels on sustainable clothing purchases","authors":"Shane Timmons, Adam J. Shier, Olga Poluektova, Peter D. Lunn","doi":"10.1016/j.jclepro.2025.146575","DOIUrl":"https://doi.org/10.1016/j.jclepro.2025.146575","url":null,"abstract":"Excess clothing consumption severely harms the environment, through greenhouse gas emissions, resource degradation and water pollution. For consumers, however, the trade-off between this environmental impact and the convenience of “fast fashion” is hidden at the point of purchase. This study presents a pre-registered, experimental test of two clothing eco-labelling systems using a large, representative sample of consumers (<em>N</em> = 1200). Participants used a simulated online clothing store, with some chosen at random to receive their selected items. They were randomised to see (i) a binary label, informed by existing policy, applied to the most sustainable products, (ii) a colour-coded, graded “eco-score” applied to all products, or (iii) no label. Compared to the control condition, participants exposed to binary label chose 10 % more sustainable products. Eco-score participants, however, chose 20 % more, and were twice as likely to exclusively buy the most sustainable products. Exploratory analyses revealed that the effects were driven by greater salience of the eco-score system and that effects were stronger among those most concerned about the environment. Additional findings revealed a general underestimation of clothing production's environmental impact and strong support for implementing the eco-score both online and in-store. The results have implications for enabling informed consumer choice in the clothing market.","PeriodicalId":349,"journal":{"name":"Journal of Cleaner Production","volume":"24 1","pages":""},"PeriodicalIF":11.1,"publicationDate":"2025-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145289063","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}
Baitong Li , Guangying Zhang , Junjie Zhao , Yangwei Zou , Long Reng , Shicong Yang , Kuixian Wei , Wenhui Ma
{"title":"Phase transformation and removal mechanism of iron impurities in vein quartz during ammonium sulfate roasting","authors":"Baitong Li , Guangying Zhang , Junjie Zhao , Yangwei Zou , Long Reng , Shicong Yang , Kuixian Wei , Wenhui Ma","doi":"10.1016/j.jclepro.2025.146818","DOIUrl":"10.1016/j.jclepro.2025.146818","url":null,"abstract":"<div><div>Fe removal of iron impurities from vein quartz remains a major challenge in the preparation of high-purity quartz sand. Conventional iron removal processes are often limited by low purification efficiency, complex procedures, and unsatisfactory effectiveness. To overcome these drawbacks, this study proposes a green and efficient method for eliminating iron impurities through ammonium sulfate roasting followed by water leaching. The influence of roasting temperature on the phase transformation and leaching behavior of Fe<sub>2</sub>O<sub>3</sub> impurities was systematically investigated. Results indicate that Fe<sub>2</sub>O<sub>3</sub> in vein quartz reacts with (NH<sub>4</sub>)<sub>2</sub>SO<sub>4</sub> (AS) to form water-soluble NH<sub>4</sub>Fe(SO<sub>4</sub>)<sub>2</sub>, which can be effectively removed by subsequent water leaching. However, when the roasting temperature exceeds 500 °C, NH<sub>4</sub>Fe(SO<sub>4</sub>)<sub>2</sub> decomposes into insoluble Fe<sub>2</sub>O<sub>3</sub>, thereby reducing leaching efficiency. Under optimal conditions of roasting at 400 °C and leaching at 80 °C, the iron content in vein quartz decreased from 294 μg g<sup>−1</sup> to 28.31 μg g<sup>−1</sup>, achieving a removal rate of 90.38 %. This study elucidates the phase transformation of Fe<sub>2</sub>O<sub>3</sub> during ammonium sulfate roasting and provides new insights into the mechanism of iron removal from vein quartz, offering a promising approach for the cleaner production of high-purity quartz sand.</div></div>","PeriodicalId":349,"journal":{"name":"Journal of Cleaner Production","volume":"530 ","pages":"Article 146818"},"PeriodicalIF":10.0,"publicationDate":"2025-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145289066","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":"Resorcinol-formaldehyde resin as co-catalyst in Fenton-like reaction: Synergistic enhancement of Fe3+/Fe2+ cycling via phenolic hydroxyl redox and conjugated-structure mediated electron transfer","authors":"Qingnan Meng, Rui Fu, Linzhi Huang, Zhangwen Xie, Yufei Tang, Kang Zhao","doi":"10.1016/j.jclepro.2025.146831","DOIUrl":"10.1016/j.jclepro.2025.146831","url":null,"abstract":"<div><div>Resorcinol-formaldehyde (RF) resin, a chemically stable and environmentally benign polymer, was investigated as a co-catalyst to enhance organic pollutant degradation in Fenton-like systems for the first time. RF particles synthesized hydrothermally at 200 °C (RF-200) demonstrated superior catalytic performance compared to those prepared at 100 °C (RF-100) and 150 °C (RF-150), achieving 96.8 % rhodamine B (RhB) removal within 30 min–15 times faster than the conventional Fenton-like system. Mechanistic studies revealed that RF-200's exceptional activity arose from synergistic contributions: (1) phenolic hydroxyl groups directly reduced Fe<sup>3+</sup> to Fe<sup>2+</sup>, and (2) an extended π-conjugated framework facilitated electron transfer between Fe<sup>3+</sup> and H<sub>2</sub>O<sub>2</sub>, thereby accelerating Fe<sup>2+</sup> regeneration. Notably, despite having fewer surface phenolic groups than RF-150, RF-200's optimized electronic structure compensated by enhancing interfacial charge mobility, as evidenced by electrochemical impedance spectroscopy and cyclic voltammetry. In addition, the RF-200 system maintains robust performance across pH 3–11 and exhibits strong tolerance toward common anions and humic acid. After five cycles, the reaction constant (k) decreased by approximately 14 %, owing to the partial oxidation of phenolic groups and concomitant disruption of the π-network. This study not only positions RF resins as cost-effective, pH-tolerant co-catalysts for Fenton-like process but also offers insights into designing polymer-based redox-active mediators for environmental remediation.</div></div>","PeriodicalId":349,"journal":{"name":"Journal of Cleaner Production","volume":"530 ","pages":"Article 146831"},"PeriodicalIF":10.0,"publicationDate":"2025-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145288642","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}
Jiaqiu Xu , Zhaojie Chen , Fuliao Zou , Zhen Leng , Zepeng Fan , Guoyang Lu , Dawei Wang
{"title":"Recycling solid wastes into asphalt mastics for low-carbon pavements: Performance investigation and environmental impact assessment","authors":"Jiaqiu Xu , Zhaojie Chen , Fuliao Zou , Zhen Leng , Zepeng Fan , Guoyang Lu , Dawei Wang","doi":"10.1016/j.jclepro.2025.146851","DOIUrl":"10.1016/j.jclepro.2025.146851","url":null,"abstract":"<div><div>Recycling solid wastes as fillers in asphalt mixtures offers a promising approach for developing low-carbon pavements. In alignment with this initiative, this study explored the feasibility of using five solid wastes with huge reserves in China, including steel slag, desulfurization gypsum, blast furnace slag, waste cement, and iron tailings, as fillers for paving bitumen. This study employed a combined approach of molecular dynamics (MD) simulations and experimental testing to clarify the performance advantages of solid waste-based fillers over mineral fillers in asphalt mastics and to elucidate the underlying atomic-scale mechanisms. To assess the environmental impact of using solid waste fillers instead of conventional mineral fillers in asphalt pavement, a life cycle assessment (LCA) was conducted. The results indicate that most solid waste-derived fillers provide superior performance in asphalt mastics compared to conventional mineral fillers, with improvements of 40 % or more in high-temperature rutting resistance and fatigue properties for most waste fillers, as well as enhanced interaction capacity and adhesion property. MD simulations reveal atomic-scale mechanisms underpinning performance enhancements: rock-forming minerals in solid waste fillers strengthen interfacial interactions with bitumen molecules, as evidenced by increased adhesion work and reduced diffusion coefficients. LCA results further demonstrate that the solid waste substitution technology systematically enhances critical environmental metrics across the lifecycle of pavement materials, with improvements in ecosystem quality exceeding 6 % and resource availability exceeding 9 %. The outcomes of this study establish a sustainable technical framework for green roads and provide a win-win strategy for solid waste management and mineral resource conservation.</div></div>","PeriodicalId":349,"journal":{"name":"Journal of Cleaner Production","volume":"530 ","pages":"Article 146851"},"PeriodicalIF":10.0,"publicationDate":"2025-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145288645","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}
Wendong Wang, Ning Wei, Feng Wei, Muhammad Ali, Keyao Lin, Shengyou Lei
{"title":"Research on the progress of Carbon Capture, Utilization, and Storage (CCUS) technologies based on bibliometric analysis","authors":"Wendong Wang, Ning Wei, Feng Wei, Muhammad Ali, Keyao Lin, Shengyou Lei","doi":"10.1016/j.jclepro.2025.146826","DOIUrl":"https://doi.org/10.1016/j.jclepro.2025.146826","url":null,"abstract":"Carbon Capture, Utilization, and Storage (CCUS) stands as a pivotal technology in addressing global climate change and a cornerstone of carbon reduction strategies. Over the past decades, numerous CCUS projects have been implemented, and several review studies have summarized the development of CCUS technologies. Previous research has primarily focused on specific aspects of CCUS, such as technological advancements in carbon capture or the economic feasibility of storage and utilization methods. While these studies have provided valuable insights, they often lack a comprehensive, bibliometric analysis of the global research trends, regional contributions, and the evolution of research hotspots over time. To address this gap, this study adopts bibliometric methods to analyze the relevant literature indexed in the Web of Science (WOS) database from 2000 to 2024. The results reveal a substantial increase in global scholarly interest in CCUS. While the USA pioneered CCUS, China has recently surpassed the USA in terms of publications. Meanwhile, the profound impact of COVID-19 on global CCUS technological collaboration and development was also explored. Furthermore, this study emphasizes the dynamic, interdisciplinary, and geographically diverse nature of CCUS, providing insights into the close connection between the research topic and the spatio-temporal dimensions. This paper identifies key challenges and opportunities by providing a holistic overview of the CCUS research landscape and offers actionable insights for future researchers and policymakers. This approach contrasts with earlier studies by integrating a data-driven bibliometric analysis with a broader temporal and geographic scope, delivering a more nuanced understanding of the CCUS ecosystem.","PeriodicalId":349,"journal":{"name":"Journal of Cleaner Production","volume":"12 1","pages":""},"PeriodicalIF":11.1,"publicationDate":"2025-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145283260","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}