Journal of Cleaner Production最新文献_第8页

α-Fe2O3-regulated reactive free radicals generation in NaClO oxidation system for efficient remediation of PAHs-contaminated industrial site soil α- fe2o3调控NaClO氧化体系中活性自由基的生成，有效修复多环芳烃污染的工业场地土壤

IF 1 1区环境科学与生态学 Q1 ENGINEERING, ENVIRONMENTAL

Journal of Cleaner Production

Pub Date : 2026-03-10 Epub Date: 2026-02-27 DOI: 10.1016/j.jclepro.2026.147874

Xiaojun Hu, Yufeng Chen, Ziyao Mi, Bo Wang, Yanyan Du, Xinyu Wang, Jingxian Jiang

The remediation of polycyclic aromatic hydrocarbons (PAHs)-contaminated soil has attracted widespread attention these years, ascribed to PAHs are environmental persistent, carcinogenic, teratogenic, and mutagenic, posing serious threats to human beings and ecosystem. Existing advanced oxidation processes (AOPs) for PAHs remediation are always constrained by expensive cost, strong operating conditions dependence and incomplete decomposition. To overcome these limitations, this study proposed an innovative and effective α-Fe₂O₃/NaClO catalytic oxidation system to realize reinforced PAHs degradation in industrial site soil. Under the determined optimal mass ratio of α-Fe₂O₃/NaClO at 24:1, the combined system demonstrated an increase in PAHs degradation efficiency by 17.9% and 57.3% in comparison with NaClO or α-Fe₂O₃ employed individually, with the NaClO concentration fixing at 2000 mg/L and initial solution pH setting at 5. The primary reactive free radicals responsible for PAHs degradation were identified as •OH and

O_{2}^{\cdot -}

, while

{ClO}^{\cdot}

and

{Cl}_{2}^{\cdot -}

were evidenced to make contributions as well. In addition, direct electron transfer between α-Fe₂O₃ and PAHs also participated in PAHs oxidation. Phytotoxicity tests and T.E.S.T. results elucidated the alleviated toxicity of soil remediated by the α-Fe₂O₃/NaClO system, further manifesting the practical applicability of this remediation strategy. This research highlighted the great potential of α-Fe₂O₃/NaClO catalytic oxidation system in future remediation of PAHs-contaminated soil.

多环芳烃（PAHs）污染土壤的修复近年来引起了广泛关注，多环芳烃具有环境持久性、致癌性、致畸性和诱变性，对人类和生态系统构成严重威胁。现有的高级氧化法（AOPs）存在成本昂贵、操作条件依赖性强、分解不完全等缺点。为了克服这些局限性，本研究提出了一种创新且有效的α-Fe2O3/NaClO催化氧化体系，以实现工业场地土壤中PAHs的强化降解。在α-Fe2O3/NaClO的最佳质量比为24:1的条件下，当NaClO的浓度为2000 mg/L，初始溶液pH为5时，复合体系对PAHs的降解效率分别比NaClO和α-Fe2O3单独使用提高了17.9%和57.3%。参与PAHs降解的主要自由基是•OH和O2·−，而ClO·和Cl2·−也有贡献。此外，α-Fe2O3与PAHs之间的直接电子转移也参与了PAHs的氧化。植物毒性试验和T.E.S.T.结果验证了α-Fe2O3/NaClO体系修复土壤的毒性缓解效果，进一步体现了该修复策略的实用性。本研究强调了α-Fe2O3/NaClO催化氧化体系在未来修复多环芳烃污染土壤中的巨大潜力。

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引用次数: 0

Where absorptive capacity resides: A locus study across firm and project boundaries in the twin transition 吸收能力在哪里：双重转型中跨公司和项目边界的轨迹研究

IF 1 1区环境科学与生态学 Q1 ENGINEERING, ENVIRONMENTAL

Journal of Cleaner Production

Pub Date : 2026-03-10 Epub Date: 2026-03-02 DOI: 10.1016/j.jclepro.2026.147859

Eleni Papadonikolaki , Ilias Krystallis , Bethan Morgan

Absorptive capacity in construction is crucial for effectively managing change amidst the twin transition (digital and green transitions) that is significantly affecting existing practices in the sector. Concentrating on construction sector, this research examines how firms assimilate and use digital decarbonisation practices to improve their performance. Building on a multi-method qualitative dataset comprising interviews with 53 industry experts in the UK construction sector, archival data, and validation of our findings through focus group data, the study highlights the vital role of absorptive capacity in enabling firms to navigate and benefit from digitalisation and sustainability initiatives. The findings indicate that the potential absorptive capacity (acquisition and assimilation of knowledge) takes place mainly in firms whereas the realised absorptive capacity (transformation and exploitation) takes place mainly in the boundaries of projects they deliver. This offers a mutually reinforcing cycle of exploration and exploitation that can equip firms to meet contemporary challenges and institutional demands effectively to cope against the twin transition. Our study contributes with a four-phase process model for understanding the organisational change management processes required for the twin transition in project-based settings. Most existing research on absorptive capacity focuses on either organisational or industry-level dynamics, our study examines the loci of absorptive capacity (e.g., by examining firm and project boundaries) in a highly complex, project-driven industry such as construction.

建筑业的吸收能力对于有效管理双重转型（数字化和绿色转型）中的变化至关重要，这对该行业的现有实践产生了重大影响。本研究以建筑行业为重点，探讨了企业如何吸收和使用数字脱碳实践来提高绩效。该研究建立在一个多方法定性数据集的基础上，该数据集包括对英国建筑行业53位行业专家的访谈、档案数据以及通过焦点小组数据对我们的发现进行验证，该研究强调了吸收能力在使公司能够驾驭并从数字化和可持续发展计划中受益方面的重要作用。研究结果表明，潜在的吸收能力（知识的获取和同化）主要发生在企业内部，而实现的吸收能力（转化和利用）主要发生在企业交付的项目边界内。这提供了一个相互加强的探索和开发循环，使公司能够有效地应对当代挑战和制度要求，以应对双重转型。我们的研究提供了一个四阶段过程模型，用于理解基于项目的双重转型所需的组织变革管理过程。大多数关于吸收能力的现有研究都集中在组织或行业层面的动态上，我们的研究在一个高度复杂的、项目驱动的行业（如建筑业）中检查了吸收能力的位点（例如，通过检查公司和项目边界）。

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引用次数: 0

Autotrophic denitrification driven by selected pyrite: Microbial–Mineral synergistic mechanisms 由选定的黄铁矿驱动的自养反硝化：微生物-矿物协同机制

IF 1 1区环境科学与生态学 Q1 ENGINEERING, ENVIRONMENTAL

Journal of Cleaner Production

Pub Date : 2026-03-10 Epub Date: 2026-02-27 DOI: 10.1016/j.jclepro.2026.147866

Weiyi Hong , Shuai Shao , Yuan Xue , Yun Zhang , Guoquan Zhang , Xiaochen Xu

Pyrite-driven autotrophic denitrification (PAD) is a promising low-carbon advanced treatment process for polishing secondary effluents discharged from municipal wastewater treatment plants. However, its broader application is constrained by uncertainties in denitrification performance, that performance is highly dependent on the mineralogical properties of pyrite and the associated microbial–mineral interactions. In this study, natural pyrites (YF-P, TL-P, HB-P) collected from three representative mining regions in China were systematically evaluated using a multi-scale screening framework. The results demonstrated that reduced-S content (≥45.69%) and specific surface area (≥14.584 m² g⁻¹) are key mineralogical properties governing microbial–mineral synergistic denitrification performance. Based on this screening, Yunfu pyrite (YF-P) was selected as the electron donor-packing medium to construct the PAD biofilter. During 180 days of stable operation,while treating simulated secondary effluent, the YF-PAD achieved efficient N and P removal at an HRT of 1 h while maintaining low sulfate concentration (39.23 mg L⁻¹); the effluent complied with the Class A limits of DB11/890—2012, demonstrating the long-term robustness of the autotrophic denitrification driven by the selected YF-P. This stable performance was underpinned by a microbe–mineral synergistic S–N–Fe coupled co-metabolic network. Acting as the solid-phase electron donor, pyrite facilitated electron transfer through the Fe(II)/Fe(III) redox cycle, which functioned as an electron-shuttling bridge linking bidirectional sulfur cycling with nitrate reduction pathways, including denitrification and related nitrate reduction pathways. Overall, this study provides mechanistic and practical insights to facilitate the broader application of PAD.

黄铁矿驱动自养反硝化（PAD）是一种很有前途的低碳深度处理工艺，用于处理城市污水处理厂的二级出水。然而，其更广泛的应用受到反硝化性能的不确定性的限制，该性能高度依赖于黄铁矿的矿物学性质和相关的微生物-矿物相互作用。本研究采用多尺度筛选框架对中国3个代表性矿区的天然黄铁矿（YF-P、TL-P、HB-P）进行了系统评价。结果表明，还原s含量（≥45.69%）和比表面积（≥14.584 m2 g−1）是控制微生物-矿物协同反硝化性能的关键矿物学性质。在筛选的基础上，选择云浮黄铁矿（YF-P）作为电子供体-填料介质，构建PAD生物过滤器。在180天的稳定运行期间，在处理模拟二级出水时，YF-PAD在HRT为1 h的情况下实现了高效的N和P去除，同时保持了较低的硫酸盐浓度（39.23 mg L−1）；出水符合DB11/890-2012 A类限值，表明所选YF-P驱动的自养反硝化具有长期稳健性。这种稳定的性能是由微生物-矿物质协同增效的S-N-Fe耦合共代谢网络支撑的。黄铁矿作为固相电子供体，促进了Fe(II)/Fe（III）氧化还原循环中的电子转移，作为连接双向硫循环和硝酸盐还原途径（包括反硝化和相关的硝酸盐还原途径）的电子穿梭桥梁。总的来说，本研究为PAD的更广泛应用提供了机制和实践见解。

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引用次数: 0

Climate and the quality of wine: Whites vs. reds 气候与葡萄酒品质：白葡萄酒与红葡萄酒

IF 1 1区环境科学与生态学 Q1 ENGINEERING, ENVIRONMENTAL

Journal of Cleaner Production

Pub Date : 2026-03-10 Epub Date: 2026-02-26 DOI: 10.1016/j.jclepro.2026.147862

Giovanni Millo, Paolo Bogoni, Barbara Campisi, Matteo Carzedda, Gianluigi Gallenti, Valentino Riva, Gaetano Carmeci

We estimate the effect of weather conditions on wine quality (measured by tasting ratings) using panel data from a geographically homogeneous region in terms of soil and climate, but where both reds and whites are produced. We find that whites react to the weather very differently from reds; in particular, we identify a tradeoff between spring and summer temperatures. Moreover, substantial differences emerge even among individual grape varieties. The results allow for an assessment of the challenges faced by the wine industry in the context of global warming and suggest adaptation strategies based on substitution between grape varieties.

我们估计天气条件对葡萄酒质量的影响（通过品尝评级来衡量），使用来自地理上土壤和气候相同的地区的面板数据，但同时生产红葡萄酒和白葡萄酒。我们发现白葡萄酒对天气的反应与红葡萄酒非常不同；特别是，我们确定了春季和夏季温度之间的权衡。此外，即使在单个葡萄品种之间也存在实质性差异。研究结果允许对全球变暖背景下葡萄酒行业面临的挑战进行评估，并提出基于葡萄品种之间替代的适应策略。

引用次数: 0

Decarbonization of pavements through the use of biochar in bituminous mixtures 通过在沥青混合物中使用生物炭使路面脱碳

IF 1 1区环境科学与生态学 Q1 ENGINEERING, ENVIRONMENTAL

Journal of Cleaner Production

Pub Date : 2026-03-10 Epub Date: 2026-02-28 DOI: 10.1016/j.jclepro.2026.147865

Diana Hernández-Barrera, Teresa López-Montero, Adriana H. Martínez, Rodrigo Miró

This research studied the feasibility of using biochar as a filler in bituminous mixtures, with the ultimate goal of evaluating its decarbonization potential. To this end, biochar from two sources (olive stones and olive pomace) was used, as well as a conventional filler (calcium carbonate) as a reference. First, the physical characteristics of each filler and the behavior of the bituminous mastic with different volumetric concentrations of each were analyzed to determine the optimal concentration in each case.

Secondly, based on these dosages, the mechanical response of a gap-graded mixture (BBTM) manufactured with each of the fillers was analyzed through water sensitivity and crack resistance tests. The results show that it is could be possible to replace the entire filler with biochar, depending on its nature. Finally, a calculation was made of the reduction in CO₂ emissions from the bituminous mixture using biochar as a filler, obtaining a reduction in emissions of up to 76%.

本研究研究了生物炭作为沥青混合物填料的可行性，最终目的是评估其脱碳潜力。为此，使用了两种来源的生物炭（橄榄石和橄榄渣），以及传统的填充物（碳酸钙）作为参考。首先，分析了每种填料的物理特性以及不同体积浓度下沥青胶泥的性能，确定了每种情况下的最佳浓度。其次，在此基础上，通过水敏性和抗裂性试验，分析了各填料制备的间隙梯度混合料（BBTM）的力学响应。结果表明，根据其性质，用生物炭代替整个填料是可能的。最后，计算了使用生物炭作为填料的沥青混合物中二氧化碳排放量的减少，减少了高达76%的排放量。

引用次数: 0

A transparent bamboo with superior ultraviolet-resistance and thermal-insulating capacity towards durable sustainable buildings 一种透明的竹子，具有超强的抗紫外线和隔热能力，可以建造持久的可持续建筑

IF 1 1区环境科学与生态学 Q1 ENGINEERING, ENVIRONMENTAL

Journal of Cleaner Production

Pub Date : 2026-03-10 Epub Date: 2026-02-26 DOI: 10.1016/j.jclepro.2026.147810

Xishuan Fang , Chengliang Zhou , Xingong Li

Epoxy-based transparent bamboo is highly attractive in the fields of green construction due to its remarkable mechanical properties, optical properties, and chemical tolerance. However, the abundant ether groups and aromatic skeletons in epoxy resin made it difficult to withstand radiation of ultraviolet, leading to the limited outdoor lifespan of epoxy-based transparent bamboo. Existing research on UV resistance improvement is fragmented, and the contradiction between anti-UV aging performance and structural rigidity remains unresolved, limiting practical outdoor applications. In this study, an ultraviolet-resistant transparent bamboo (URTB) is constructed using the hydrogenated epoxy resin modified by ultraviolet absorbing and hindered-amine light stabilizer as the hybrid matrix. The light transmittance, high haze, low thermal conductivity, and water contact angle of URTB reach 80%, 95.89%, 0.245 W/(m·K), and 99.68°, respectively, which provide simultaneous light transparency, inner privacy, heat preservation, and water resistance. When the outdoor temperature reaches 36 °C, replacing ordinary glass with URTB in an office building achieves 66.8 kWh daily energy savings and 40.08 kg CO₂ emission reduction. Moreover, after 12 days of UV-accelerated aging, the URTB shows only a 3.09% transmittance decrease, while its tensile strength increases notably from 109.1 MPa to 127.8 MPa. The superior UV resistance of URTB originates from the stability, ultraviolet absorption, and free radical-scavenging capabilities of the hybrid epoxy matrix, forming a three-step anti-ultraviolet mechanism of “source inhibition-energy interception-damage termination”. This enables URTB to withstand UV radiation and maintain stable performance in outdoor applications such as building facades, skylights, and sunrooms. This study paves the way for extensive outdoor applications of transparent bamboo in green and sustainable construction.

环氧基透明竹材以其优异的力学性能、光学性能和耐化学性能在绿色建筑领域具有很高的吸引力。然而，环氧树脂中大量的醚基团和芳香骨架使其难以承受紫外线的辐射，导致环氧基透明竹的户外使用寿命有限。现有的抗紫外线性能提升研究支离破碎，抗紫外线老化性能与结构刚度之间的矛盾尚未解决，限制了室外实际应用。本研究以吸收紫外线的氢化环氧树脂和阻碍胺光稳定剂为杂化基质，构建了一种抗紫外线透明竹（URTB）。URTB的透光率、高雾度、低导热系数和水接触角分别达到80%、95.89%、0.245 W/（m·K）和99.68°，同时具有透光性、内部私密性、保温性和耐水性。当室外温度达到36℃时，办公楼内普通玻璃更换为URTB，日节能66.8 kWh，二氧化碳减排40.08 kg。紫外加速老化12 d后，URTB的透光率仅下降3.09%，而抗拉强度从109.1 MPa显著提高到127.8 MPa。URTB优异的抗紫外线性能源于其杂化环氧基体的稳定性、紫外线吸收能力和自由基清除能力，形成了“源抑制-能量拦截-损伤终止”三步防紫外线机理。这使得URTB能够承受紫外线辐射，并在室外应用中保持稳定的性能，如建筑外墙、天窗和日光房。这项研究为透明竹子在绿色和可持续建筑中的广泛户外应用铺平了道路。

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引用次数: 0

Wildfire fuel-reduction biomass for remote energy: Small-scale combined heat and power feasibility and strategic implications for British Columbia's bioeconomy 用于远程能源的野火燃料减少生物质：小型热电联产的可行性和对不列颠哥伦比亚省生物经济的战略意义

IF 1 1区环境科学与生态学 Q1 ENGINEERING, ENVIRONMENTAL

Journal of Cleaner Production

Pub Date : 2026-03-10 Epub Date: 2026-03-02 DOI: 10.1016/j.jclepro.2026.147892

Zexi Liu , Sheng H. Xie , Omar Mologni , Tzeng Yih Lam , Stephanie Ewen , Ignacio Barbeito , Dominik Roeser

Wildfire fuel-reduction treatments in British Columbia (BC) generate large volumes of underutilized biomass. This study assesses the technical suitability and supply chain economics of using biomass from thinning and surface fuel reduction for small-scale combined heat and power (CHP) systems. Biomass availability, including non-delimbed and delimbed energy wood, residues, and surface woody debris, was evaluated in a 12-ha forest stand in the interior of BC, Canada. Woodchip quality was analyzed for particle size distribution, ash content, moisture content, and bulk density. Supply chain costs were estimated for multiple recovery methods, machinery scales, and chipping locations, considering specific treatment options. Results showed that one year of natural air drying enabled non-delimbed and delimbed energy wood to meet CHP system requirements for particle size and ash content, whereas residues and woody debris required targeted post-processing. Supply chain costs ranged from $175-426 per oven-dry tonne, driven primarily by transportation distance and treatment intensity. These findings demonstrate that fuel-reduction biomass can support small-scale CHP system operations when feedstock is locally sourced and of sufficient quality. Integrating energy production with higher-value product streams may provide a practical approach to cost-effective biomass utilization while contributing to wildfire risk mitigation, local energy security, and the regional bioeconomy. This study offers a transferable framework for evaluating operational feasibility and supply chain design in other fire-prone regions.

不列颠哥伦比亚省（BC）的野火燃料减少处理产生了大量未充分利用的生物质。本研究评估了小型热电联产（CHP）系统使用来自疏化和表面燃料减少的生物质的技术适用性和供应链经济性。在加拿大不列颠哥伦比亚省内陆的一个12公顷林分中，对生物量有效性进行了评估，包括非定界和定界的能源木材、残余物和表面木质碎片。对木片的粒度分布、灰分、含水率和容重进行了分析。考虑到具体的处理方案，评估了多种回收方法、机械规模和切屑位置的供应链成本。结果表明，经过一年的自然风干，非定界和定界能源木材的粒度和灰分都能满足热电联产系统的要求，而残留物和木屑则需要有针对性的后处理。供应链成本从每吨烘箱175-426美元不等，主要由运输距离和处理强度决定。这些发现表明，当原料来自当地且质量足够时，减少燃料的生物质可以支持小规模的热电联产系统运行。将能源生产与高价值产品流结合起来，可能为具有成本效益的生物质利用提供一种切实可行的方法，同时有助于减轻野火风险、地方能源安全和区域生物经济。本研究为评估其他火灾易发地区的操作可行性和供应链设计提供了一个可转移的框架。

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引用次数: 0

Demonstration of a fertilizer-based liquid desiccant prototype for controlled plant environments 以肥料为基础的液体干燥剂原型在受控植物环境中的演示

IF 1 1区环境科学与生态学 Q1 ENGINEERING, ENVIRONMENTAL

Journal of Cleaner Production

Pub Date : 2026-03-10 Epub Date: 2026-02-27 DOI: 10.1016/j.jclepro.2026.147864

Sandeep Aryal , Foster Caragay , Danielle Monfet , Mark Lefsrud , Jonathan Maisonneuve

Healthy plant development and optimal crop yields require careful humidity control in closed plant environments. Recently, fertilizer solution has been proposed as an energy efficient liquid desiccant for greenhouse and plant environment applications. Here, we report the first demonstration of fertilizer-based solution being used to effectively control the humidity of a real and dynamic closed plant environment. This is done using a laboratory scale plant chamber and a liquid desiccant system with membrane contactors. Calcium nitrate solution is selected as a sample fertilizer and circulated in place of concentrated liquid desiccant. Hydroponic arugula is cultivated in the plant chamber. In the absence of any active dehumidification, humidity of the plant environment is shown to quickly approach saturation. Using the proposed fertilizer-based desiccant, humidity of the plant environment is successfully maintained at a variety of setpoints including 60, 70, and 80 % relative humidity with dehumidification rates reaching up to 0.76 ± 0.1 g/h. Testing is conducted under various conditions, including over all stages of the plant growth cycle from germination to maturity, and stable humidity is confirmed throughout. Although not fully automated and integrated, these findings support the notion that fertilizer-based desiccant systems can be scaled and integrated for dehumidification and fertigation of controlled plant environments.

健康的植物发育和最佳的作物产量需要在封闭的植物环境中仔细控制湿度。近年来，肥料溶液作为一种高效节能的液体干燥剂被广泛应用于温室和植物环境。在这里，我们报告了第一个基于肥料的解决方案被用于有效控制真实和动态封闭植物环境的湿度的演示。这是使用实验室规模的植物室和带膜接触器的液体干燥剂系统完成的。选用硝酸钙溶液作为样品肥料，代替浓缩液体干燥剂循环使用。水培芝麻菜是在植物室内栽培的。在没有任何主动除湿的情况下，植物环境的湿度很快接近饱和。使用所提出的基于肥料的干燥剂，植物环境的湿度可以成功地保持在各种设定值，包括60、70和80%的相对湿度，除湿率高达0.76±0.1 g/h。测试是在各种条件下进行的，包括在植物生长周期的所有阶段，从发芽到成熟，并在整个过程中确认稳定的湿度。虽然没有完全自动化和集成，但这些发现支持这样一种观点，即基于肥料的干燥剂系统可以扩展和集成，用于受控植物环境的除湿和施肥。

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引用次数: 0

Soft actor–critic two-stage joint optimization for carbon-aware scheduling and allowance procurement under market uncertainty in internet data centers 市场不确定性下互联网数据中心碳感知调度和配额采购的软行为者评价两阶段联合优化

IF 1 1区环境科学与生态学 Q1 ENGINEERING, ENVIRONMENTAL

Journal of Cleaner Production

Pub Date : 2026-03-10 Epub Date: 2026-02-26 DOI: 10.1016/j.jclepro.2026.147822

Qingxun Wu , Wen-Ting Lin , Guo Chen , Xiaojun Zhou , Tingzhen Ming , Yuhan Huang

The increasing adoption of carbon trading mechanisms compels internet data centers (IDCs) to procure carbon allowances under uncertain and dynamic market conditions. Existing approaches predominantly focus on single-stage optimization or static pricing assumptions, lacking the integration of workload allocation strategies and adaptive procurement decisions in a stochastic environment. To address these gaps, we propose a two-stage joint optimization and reinforcement learning (RL)-based framework for carbon management. In the first stage, computational workloads are dynamically allocated across geographically distributed IDCs according to regional carbon intensity, aiming to reduce operational emissions. In the second stage, a Soft Actor–Critic (SAC)-based RL model is developed to optimize continuous carbon allowance purchasing decisions under market uncertainty. The proposed framework introduces three major innovations: (i) a two-stage joint optimization that bridges emission reduction scheduling and strategic carbon allowance procurement; (ii) an endogenous carbon price modeling mechanism that captures market dynamics and price-demand interactions; and (iii) a SAC-based RL approach that leverages entropy-regularized exploration and multi-objective reward integration to ensure robust, cost-effective procurement strategies. Experimental results demonstrate that the proposed framework reduces annual carbon procurement costs by 5.90%–7.38% compared to benchmark strategies, while maintaining compliance, reducing carbon emissions, and avoiding excessive inventory. These findings highlight the potential of combining joint optimization and deep RL for sustainable and economically efficient data center operations. Specifically, the 5.90%–7.38% reduction in procurement costs compared to benchmark strategies not only improves operational efficiency but also promotes sustainability by reducing carbon emissions, highlighting the framework’s dual impact on both cost and environmental performance.

碳交易机制的日益普及迫使互联网数据中心（idc）在不确定和动态的市场条件下购买碳配额。现有的方法主要侧重于单阶段优化或静态定价假设，缺乏在随机环境中集成工作量分配策略和自适应采购决策。为了解决这些差距，我们提出了一个基于两阶段联合优化和强化学习（RL）的碳管理框架。在第一阶段，计算工作量根据区域碳强度在地理分布的idc之间动态分配，旨在减少运营排放。第二阶段，建立了基于软行为者-批评家（SAC）的RL模型，以优化市场不确定性下的连续碳配额购买决策。提出的框架引入了三个主要创新：(i)两阶段联合优化，连接减排计划和战略碳配额采购；（ii）捕捉市场动态和价格需求相互作用的内生碳价格建模机制；（iii）基于sac的RL方法，利用熵正则化探索和多目标奖励集成来确保稳健、具有成本效益的采购策略。实验结果表明，与基准策略相比，该框架在保持合规性、减少碳排放和避免过度库存的同时，可将年度碳采购成本降低5.90%-7.38%。这些发现突出了联合优化和深度强化学习相结合的潜力，以实现可持续和经济高效的数据中心运营。具体而言，与基准战略相比，采购成本降低了5.90%-7.38%，不仅提高了运营效率，而且通过减少碳排放促进了可持续性，突出了该框架对成本和环境绩效的双重影响。

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引用次数: 0

Emission reduction optimization of recycling pathways for retired photovoltaic modules in China: A coupled model of life cycle assessment and evolutionary game theory 中国退役光伏组件回收路径的减排优化——基于生命周期评估和进化博弈论的耦合模型

IF 1 1区环境科学与生态学 Q1 ENGINEERING, ENVIRONMENTAL

Journal of Cleaner Production

Pub Date : 2026-03-10 Epub Date: 2026-02-27 DOI: 10.1016/j.jclepro.2026.147786

Xu Zhu , Yichen Li , Yue Zhang , Yuanyuan Sun , Wen Xu , Lu Bai

To support China's dual-carbon goals and address the challenges of recycling retired PV modules, this study develops a coupled Life Cycle Assessment–Evolutionary Game Theory model. Using 1 ton of retired PV modules as the functional unit, representative recycling routes and enterprise activity data from China are selected. The recycling system includes four stages: dismantling, transportation, treatment, and material regeneration, and covers five major technologies: mechanical recycling, thermal recycling without glass recovery, thermal recycling with 90% intact glass and 10% crushed glass, chemical recycling, and Full Recovery End-of-Life Photovoltaic. Life Cycle Assessment comprehensively evaluates their carbon emissions, costs, and mitigation potential. Under carbon policy scenarios, Evolutionary Game Theory simulates strategic interactions among governments, manufacturers, and recyclers, integrating system dynamics to analyze evolutionary stability, followed by sensitivity analysis of key parameters. Results show substantial differences in carbon emissions and mitigation potential across technologies. Mechanical recycling has the lowest process emissions (702.2 kg CO₂/t) but limited reduction potential (−4612 kg CO₂/t), whereas Full Recovery End-of-Life Photovoltaic has higher emissions (1113 kg CO₂/t) but achieves the greatest mitigation (−5694 kg CO₂/t). Treatment and equipment depreciation account for over 50% of total recycling costs. Evolutionary Game Theory identifies an initial equilibrium of E6 (1, 0, 1) and highlights recycler subsidies (0.28–0.38) and penalty intensity (≥0.32) as key factors influencing behavioral evolution. Promoting high-efficiency recycling, strengthening carbon market mechanisms, and expanding large-scale capacity are crucial for China's PV recycling low-carbon transformation. This study provides theoretical and policy insights for sustainable PV waste management.

为了支持中国的双碳目标和解决回收退役光伏组件的挑战，本研究开发了一个耦合的生命周期评估-进化博弈论模型。以1吨退役光伏组件为功能单元，选取国内具有代表性的回收路线和企业活动数据。回收系统包括拆解、运输、处理、材料再生四个阶段，涵盖五大技术：机械回收、不回收玻璃的热回收、90%完整玻璃和10%碎玻璃的热回收、化学回收和全回收报废光伏。生命周期评估全面评估其碳排放、成本和缓解潜力。在碳政策情景下，进化博弈论模拟了政府、制造商和回收商之间的战略互动，结合系统动力学分析进化稳定性，然后对关键参数进行敏感性分析。结果表明，不同技术在碳排放和减缓潜力方面存在巨大差异。机械回收的过程排放最低（702.2 kg CO2/t），但减排潜力有限（- 4612 kg CO2/t），而完全回收的报废光伏排放更高（1113 kg CO2/t），但减排效果最大（- 5694 kg CO2/t）。处理和设备折旧占总回收成本的50%以上。进化博弈论确定了初始均衡E6(1,0,1)，并强调了回收者补贴（0.28-0.38）和惩罚强度（≥0.32）是影响行为进化的关键因素。推进高效回收，强化碳市场机制，扩大规模化产能，是中国光伏循环低碳转型的关键。本研究为可持续光伏废弃物管理提供了理论和政策见解。

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