Circular Economy最新文献

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Exploration and results analysis of the construction paths of “zero-waste park” in Nanjing's typical chemical industrial park 南京典型化工园区“零废园”建设路径探索与效果分析
Circular Economy Pub Date : 2025-05-14 DOI: 10.1016/j.cec.2025.100144
Chaoyue Wu , Tao Tan , Jun Zhang , Yi Wang , Hu Liu , Min Du
{"title":"Exploration and results analysis of the construction paths of “zero-waste park” in Nanjing's typical chemical industrial park","authors":"Chaoyue Wu ,&nbsp;Tao Tan ,&nbsp;Jun Zhang ,&nbsp;Yi Wang ,&nbsp;Hu Liu ,&nbsp;Min Du","doi":"10.1016/j.cec.2025.100144","DOIUrl":"10.1016/j.cec.2025.100144","url":null,"abstract":"<div><div>Chemical industry parks serve as key drivers of economic development and simultaneously are significant sources of industrial solid and hazardous waste. In 2023, Jiangsu Province focused on chemical industry parks and explored a new model for the construction of “zero-waste park” to promote high-quality development of these industrial zones. Nanjing took the lead in advancing the “zero-waste park” construction at Nanjing Jiangbei New Materials High-Tech Park (formerly Nanjing Chemical Industrial Park). Throughout the process of the “zero-waste park” construction, the park continuously leveraged its potential and achieved remarkable results in terms of waste reduction, resource recovery, and harmless disposal by focusing on five key areas: institutional development, source reduction, technological innovation, mechanism improvement, and public engagement. These efforts resulted in significant improvements in waste management practices, a continuously enhanced regulatory framework, and heightened public awareness and support for the “zero waste” concept. This study aims to provide a reference for the “zero-waste” construction of other parks by analyzing the construction pathways, achievements, and existing challenges of typical “zero-waste park” in Nanjing.</div></div>","PeriodicalId":100245,"journal":{"name":"Circular Economy","volume":"4 2","pages":"Article 100144"},"PeriodicalIF":0.0,"publicationDate":"2025-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144134296","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}
引用次数: 0
A circular economy roadmap for African and Indian Ocean developing island states 非洲和印度洋发展中岛国的循环经济路线图
Circular Economy Pub Date : 2025-04-30 DOI: 10.1016/j.cec.2025.100143
Claire Montocchio , Antaya March , Rouane Brokensha , Mialy Andriamahefazafy , Christophe Schuman , Pierre Failler , He Yuan
{"title":"A circular economy roadmap for African and Indian Ocean developing island states","authors":"Claire Montocchio ,&nbsp;Antaya March ,&nbsp;Rouane Brokensha ,&nbsp;Mialy Andriamahefazafy ,&nbsp;Christophe Schuman ,&nbsp;Pierre Failler ,&nbsp;He Yuan","doi":"10.1016/j.cec.2025.100143","DOIUrl":"10.1016/j.cec.2025.100143","url":null,"abstract":"<div><div>The concept of a circular economy has gained momentum in recent years and presents potential for African and Indian Ocean islands. Although some businesses and governments have adopted circular economy practices, these efforts are not yet widespread, and there is limited support to fully unlock the potential of circular economy in these countries. This paper proposes a roadmap for African and Indian Ocean islands state governments and businesses to promote circular economy development. The roadmap uses in-country stakeholder consultations and experiences to propose actions to fill legal gaps while fostering the integration and harmonisation of actions towards circular economy; to enhance circular economy literacy at all levels through education and awareness campaigns; to improve waste collection, sorting, recycling, and treatment; to improve monitoring capabilities and prevent harmful practices by introducing, supporting, and upscaling activities that promote better natural flow management and regeneration; and to support businesses structurally and financially to adopt or transition to circular business models. The roadmap's applicability in national contexts is discussed, considering the differences between countries and the small-scale nature of most African and Indian Ocean islands. The paper also suggests the possibility of extending the roadmap to other small island developing states (SIDSs) and emphasises the vital role of regional economic communities and the African Union in advancing the circular economy. Additionally, the circular economy roadmap is discussed in relation to the blue economy.</div></div>","PeriodicalId":100245,"journal":{"name":"Circular Economy","volume":"4 2","pages":"Article 100143"},"PeriodicalIF":0.0,"publicationDate":"2025-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144090388","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}
引用次数: 0
Advanced technologies and innovative practices to promote zero-waste strategy 采用先进技术和创新做法,推动零废物策略
Circular Economy Pub Date : 2025-04-21 DOI: 10.1016/j.cec.2025.100142
Aimin Li, Lili Liu
{"title":"Advanced technologies and innovative practices to promote zero-waste strategy","authors":"Aimin Li,&nbsp;Lili Liu","doi":"10.1016/j.cec.2025.100142","DOIUrl":"10.1016/j.cec.2025.100142","url":null,"abstract":"","PeriodicalId":100245,"journal":{"name":"Circular Economy","volume":"4 2","pages":"Article 100142"},"PeriodicalIF":0.0,"publicationDate":"2025-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143912697","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}
引用次数: 0
Building circularity potential for post-disaster housing: LCA, cost evaluation, and material optimization 灾后住房的建筑循环潜力:LCA,成本评估和材料优化
Circular Economy Pub Date : 2025-04-17 DOI: 10.1016/j.cec.2025.100141
Ova Candra Dewi , Nasruddin , Nisrina Dewi Salsabila , Kartika Rahmasari , Gina Khairunnisa
{"title":"Building circularity potential for post-disaster housing: LCA, cost evaluation, and material optimization","authors":"Ova Candra Dewi ,&nbsp;Nasruddin ,&nbsp;Nisrina Dewi Salsabila ,&nbsp;Kartika Rahmasari ,&nbsp;Gina Khairunnisa","doi":"10.1016/j.cec.2025.100141","DOIUrl":"10.1016/j.cec.2025.100141","url":null,"abstract":"<div><div>Indonesia, a seismically active country, frequently experiences earthquakes, yet the potential for reusing recovered debris in post-disaster housing remains largely unexplored. This study upgrades Indonesia's permanent post-disaster housing by using recovered debris as an alternative to new materials, aiming to reduce the environmental impact (EI) and minimize material costs. The EI analysis was conducted via life cycle assessment (LCA) at the cradle-to-gate stages for four types of permanent post-disaster houses (Houses A–D) built after the 2022 earthquake in Cianjur, Indonesia. The initial assessment identified House D as having the lowest EI. This study assesses the replacement of autoclaved aerated concrete (AAC), non-structural steel, and iron sheets in Houses A–C to minimize their EI, aligning them more closely with House D's values. Optimization scenarios were formulated via response surface methodology (RSM) to determine material combinations that reduce the EI while minimizing costs. Hence, by replacing AAC with recovered brick debris, Houses A–C achieved reductions of approximately 23% in global warming potential, 30% in abiotic depletion potential, and 20% in acidification potential while also lowering material costs by 3%–5%. This finding represents the initial step in exploring the reduction of new materials and reuse of recovered debris to decrease the EI of post-disaster housing.</div></div>","PeriodicalId":100245,"journal":{"name":"Circular Economy","volume":"4 2","pages":"Article 100141"},"PeriodicalIF":0.0,"publicationDate":"2025-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143888022","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}
引用次数: 0
The SDG accelerator: Circular economy solutions through efficient sustainable consumption 可持续发展目标加速器:通过高效可持续消费实现循环经济解决方案
Circular Economy Pub Date : 2025-04-14 DOI: 10.1016/j.cec.2025.100140
Anupam Khajuria , Prabhat Verma , Atienza Vella , Daniela Zanini-Freitag , Hao Xin , Indu K. Murthy , Jatinder K. Arora , Kamani Sylva , Lakshmi Menon , Sushma Pardeshi , Ulrich Kral , Xiao Liu
{"title":"The SDG accelerator: Circular economy solutions through efficient sustainable consumption","authors":"Anupam Khajuria ,&nbsp;Prabhat Verma ,&nbsp;Atienza Vella ,&nbsp;Daniela Zanini-Freitag ,&nbsp;Hao Xin ,&nbsp;Indu K. Murthy ,&nbsp;Jatinder K. Arora ,&nbsp;Kamani Sylva ,&nbsp;Lakshmi Menon ,&nbsp;Sushma Pardeshi ,&nbsp;Ulrich Kral ,&nbsp;Xiao Liu","doi":"10.1016/j.cec.2025.100140","DOIUrl":"10.1016/j.cec.2025.100140","url":null,"abstract":"<div><div>The integration of sustainable consumption, education, and circular economy principles is essential for effective waste management and achieving the United Nations sustainable development goals (UN SDGs). This research approach, including applied project conclusions, examines the role of education in promoting sustainable consumption and circular economy practices, highlights key aspects of circular economy solutions and addresses the challenges of waste management in India, China, and the Philippines. This paper draws on sessions from the 18th and 19th International Conference on Waste Management and Technology, which focused on expanding waste management services and integrating quality education for sustainable practices. The findings underscore the importance of robust waste management policies, public awareness, and innovative recycling technologies to achieve sustainable consumption and production (SCP). Furthermore, the paper emphasizes the need for collaboration among policymakers, educational institutions, and industry stakeholders to foster a culture of sustainability and circularity. By leveraging education to drive systemic changes in consumption patterns and waste management, this study contributes to a deeper understanding of how these elements collectively support the achievement of the UN SDGs, particularly SDG 12 (responsible consumption and production) and SDG 4 (quality education).</div></div>","PeriodicalId":100245,"journal":{"name":"Circular Economy","volume":"4 2","pages":"Article 100140"},"PeriodicalIF":0.0,"publicationDate":"2025-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143859149","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}
引用次数: 0
The road to “zero-waste” in coastal tourism cities—taking Sanya as an example 滨海旅游城市的 "零废弃 "之路--以三亚为例
Circular Economy Pub Date : 2025-04-05 DOI: 10.1016/j.cec.2025.100139
Jing Wu , Yawei Wang , Gaizhong Chen , Quanyin Tan , Lizhe Duan
{"title":"The road to “zero-waste” in coastal tourism cities—taking Sanya as an example","authors":"Jing Wu ,&nbsp;Yawei Wang ,&nbsp;Gaizhong Chen ,&nbsp;Quanyin Tan ,&nbsp;Lizhe Duan","doi":"10.1016/j.cec.2025.100139","DOIUrl":"10.1016/j.cec.2025.100139","url":null,"abstract":"<div><div>As a famous coastal tourist city in China, Sanya is facing the dual challenges of solid waste management and resource utilization while tourism is booming. To realize efficient solid waste management and innovative circular economy models, Sanya actively explores and practices the construction path of a “zero-waste city”. In this study, Pearson correlation analysis and material flow analysis were used to analyze the factors influencing the amount of municipal solid waste (MSW) generated in Sanya and the changes in the effectiveness of MSW treatment in Sanya before the construction of the “zero-waste city” (2018) and five years later (2023). The results of the study show that the construction of a “zero-waste city” in Sanya, through the implementation of a series of policy measures, including the strengthening of strategic planning and leadership, the upgrading of capacity building, and the promotion of nationwide action participation, has effectively promoted the efficient synergistic treatment of MSW, thereby realizing both environmental benefits and economic benefits.</div></div>","PeriodicalId":100245,"journal":{"name":"Circular Economy","volume":"4 2","pages":"Article 100139"},"PeriodicalIF":0.0,"publicationDate":"2025-04-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143851463","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}
引用次数: 0
The impact of adding nanoparticles to biodiesel fuel prepared from waste sunflower oil on the performance and emission of diesel engines 在废葵花籽油制备的生物柴油中添加纳米颗粒对柴油机性能和排放的影响
Circular Economy Pub Date : 2025-03-28 DOI: 10.1016/j.cec.2025.100138
Qais Hussein Hassan , Nisreen Sabti Mohammed Ali , Hayder A. Alalwan , Alaa Hani Alminshid , Malik M. Mohammed
{"title":"The impact of adding nanoparticles to biodiesel fuel prepared from waste sunflower oil on the performance and emission of diesel engines","authors":"Qais Hussein Hassan ,&nbsp;Nisreen Sabti Mohammed Ali ,&nbsp;Hayder A. Alalwan ,&nbsp;Alaa Hani Alminshid ,&nbsp;Malik M. Mohammed","doi":"10.1016/j.cec.2025.100138","DOIUrl":"10.1016/j.cec.2025.100138","url":null,"abstract":"<div><div>Although biodiesel has attracted much attention because of its ability to reduce engine emissions, its lower performance in diesel engines and the need to find renewable sources for its production limit its adoption. Thus, this work investigated the use of the trans-esterification method to convert waste sunflower oil to biodiesel (BD) and the impact of mixing it with TiO<sub>2</sub> and CuO nanoparticles on the performance and emissions of a four-stroke engine at three engine torques (2, 4, and 6 N·m) compared with petroleum diesel (PD). The fuel performance was evaluated by calculating the brake-specific fuel consumption (BSFC), brake-specific energy consumption (BSEC), brake thermal efficiency (BTE), and noise intensity of the engine. The exhaust emissions were measured to identify hydrocarbons (HC), CO, particulate matters (PM), CO<sub>2</sub>, and NO<sub><em>x</em></sub> emissions. The results show that BD reduces the BSFC, BSEC, and BTE up to 20.1%, 6.1%, and 6.9%, respectively. In contrast, when TiO<sub>2</sub> is used, the percentages are 11.8%, 0.77%, and 4.4%, and when CuO is used, the percentages are 15.7%, 3.9%, and 5.4%, respectively. In addition, the emission results show that BD reduces HC, CO, and PM up to 91.0%, while the use of TiO<sub>2</sub> reduces them up to 93.0%, and CuO reduces them up to 92.0%. However, this decrease is associated with increasing CO<sub>2</sub> and NO<sub><em>x</em></sub> emissions by up to 42.9% and 82.9%, respectively, with the use of BD, while the use of TiO<sub>2</sub> increases them by up to 53.7% and 65.5%, and the use of CuO increases them by up to 51.5% and 60.6%, respectively.</div></div>","PeriodicalId":100245,"journal":{"name":"Circular Economy","volume":"4 2","pages":"Article 100138"},"PeriodicalIF":0.0,"publicationDate":"2025-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143784988","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A review on the catalytic pyrolysis of lipids to produce alternative aromatic hydrocarbons: Synthesis of hierarchically porous zeolites and aromatization mechanism 脂质催化热解制备替代芳烃的研究进展:分级多孔沸石的合成及其芳构化机理
Circular Economy Pub Date : 2025-03-01 DOI: 10.1016/j.cec.2025.100128
Pengye Song , Shaojie Guo , Menghao Zuo , Xin Wang , Huiyu Qiu , Boxiong Shen
{"title":"A review on the catalytic pyrolysis of lipids to produce alternative aromatic hydrocarbons: Synthesis of hierarchically porous zeolites and aromatization mechanism","authors":"Pengye Song ,&nbsp;Shaojie Guo ,&nbsp;Menghao Zuo ,&nbsp;Xin Wang ,&nbsp;Huiyu Qiu ,&nbsp;Boxiong Shen","doi":"10.1016/j.cec.2025.100128","DOIUrl":"10.1016/j.cec.2025.100128","url":null,"abstract":"<div><div>Catalytic pyrolysis of non-edible lipids to produce alternative aromatic hydrocarbons is an important strategy to reduce CO<sub>2</sub> emission in the petrochemical industry, which is hindered by coking and quick deactivation of zeolites. Hierarchically porous zeolites can mitigate this problem. In this review, the catalytic pyrolysis of non-edible lipids for aromatic hydrocarbons and the mechanism of aromatization are comprehensively summarized. First, the synthesis of hierarchically porous zeolite catalysts, including hard template methods, soft template methods, and postprocessing methods, which are necessary for further discussion of catalyst applications and aromatization mechanisms, is discussed. Hierarchically porous zeolite catalysts, which retain the excellent catalytic activity and selectivity of microporous zeolites, can essentially and substantially improve mass transfer and diffusion efficiency in zeolites to avoid fast deactivation of catalysts due to coking. Second, the application of hierarchically porous zeolites in aromatic hydrocarbon production is summarized. The loading of metal oxides in hierarchically porous zeolites can largely improve the deoxygenation performance of oxygen-containing lipid feedstocks. This review also discusses the aromatization mechanism used during catalytic pyrolysis to produce renewable liquid products. The formation of olefins or unsaturated groups and dehydrogenation are the critical steps for aromatization. Future research can prioritize the synergistic interaction between micropores and mesopores in hierarchically porous zeolite catalysts. Efforts can also be directed towards rational modification of the acidity of catalysts through methods such as surface modification and support optimization. This review provides necessary information about technologies for the sustainable transformation from fossil fuel-based aromatic hydrocarbons to bio-based aromatic hydrocarbons.</div></div>","PeriodicalId":100245,"journal":{"name":"Circular Economy","volume":"4 1","pages":"Article 100128"},"PeriodicalIF":0.0,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143562254","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ecological circular disposal of agricultural waste: Integrated production of gas, electricity, heat, and fertilizer for achieving synergistic effects of pollution reduction and carbon emission reduction 农业废弃物生态循环处理:气、电、热、肥一体化生产,达到减污染、减碳的协同效应
Circular Economy Pub Date : 2025-03-01 DOI: 10.1016/j.cec.2025.100130
Zhihua Wang , Heng Wang , Mingru Zhao , Nana Zhao , Yanjiao Lyu , Xiandong Meng , Liangjun Wang , Pu Lyu
{"title":"Ecological circular disposal of agricultural waste: Integrated production of gas, electricity, heat, and fertilizer for achieving synergistic effects of pollution reduction and carbon emission reduction","authors":"Zhihua Wang ,&nbsp;Heng Wang ,&nbsp;Mingru Zhao ,&nbsp;Nana Zhao ,&nbsp;Yanjiao Lyu ,&nbsp;Xiandong Meng ,&nbsp;Liangjun Wang ,&nbsp;Pu Lyu","doi":"10.1016/j.cec.2025.100130","DOIUrl":"10.1016/j.cec.2025.100130","url":null,"abstract":"<div><div>The comprehensive utilization of agricultural solids is a critical element in building a “Zero Waste City” and a vital measure for promoting the green and low-carbon development of agriculture and rural areas. Since the launch of the “Zero Waste City” initiative in Hengshui, China, the city has continuously promoted waste reduction at the source and resource utilization. Business models and institutional mechanisms for the utilization of various types of solid waste have been actively explored, and a model for reducing pollution and carbon emissions through the production of “gas, electricity, heat, and fertilizer” in the agricultural sector has been established. In this study, an analysis of pollution and carbon emission reduction in the Hengshui “Zero Waste City” construction is conducted on the basis of the “driving force–pressure–state–impact–response” (DPSIR) model, and the entropy weight-TOPSIS method is used to standardize the data from 2020 to 2023. In addition, this study uses the approved clean development mechanism (CDM) method (AMS.Ⅲ.D.ver.21) to analyze the greenhouse gas emission reduction effect of the comprehensive biogas project in Anping County, Hengshui City. The results revealed that the reduction in pollution and carbon emissions of the Hengshui “Zero Waste City” construction from 2020 to 2023 was significant. The core factor affecting the “Zero Waste City” construction in Hengshui is the development of social and economic activities; the increase in fixed asset investment in agriculture, forestry, animal husbandry, and fisheries; the improvement in residents’ income; and the increase in the employment rate. Hengshui has driven the construction of a “Zero Waste City” through industrial development, forming a comprehensive utilization model of livestock manure that combines the production of gas, electricity, heat, and fertilizer. This is in line with the demand for the construction of a “Zero Waste City” in Hengshui. Moreover, the case project can reduce greenhouse gas emissions by 87,208.5 tons of CO<sub>2</sub> equivalent per year, with a reduction rate of over 64%.</div></div>","PeriodicalId":100245,"journal":{"name":"Circular Economy","volume":"4 1","pages":"Article 100130"},"PeriodicalIF":0.0,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143643959","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A systematic review on the recycling of polyurethane products from offshore applications 对海上应用聚氨酯产品回收利用的系统性审查
Circular Economy Pub Date : 2025-03-01 DOI: 10.1016/j.cec.2025.100129
Ali Karrech, He Zhou
{"title":"A systematic review on the recycling of polyurethane products from offshore applications","authors":"Ali Karrech,&nbsp;He Zhou","doi":"10.1016/j.cec.2025.100129","DOIUrl":"10.1016/j.cec.2025.100129","url":null,"abstract":"<div><div>With the growing environmental awareness, more scrutiny is placed on the responsible handling of materials during the decommissioning of offshore facilities no longer in use. These facilities may contain polyurethane, renowned for its versatility, resilience, stability, buoyancy, and insulation (thermal, acoustic, and electrical). Recycling polyurethane (PU) from offshore facilities is both an opportunity and a challenge that has not been addressed thoroughly yet in the published literature. While recycling polyurethane from domestic and onshore industrial applications is relatively well-documented, literature reviews on recycling PU from offshore environments are scarce. To date, there are no comprehensive syntheses on offshore PU recycling approaches. The purpose of this review is to identify published articles that (1) describe the recycling of PU with a special focus on offshore oil and gas production and transport, (2) explore potential applications/consumers for recycled PU products, and (3) examine the economic/environmental viability of PU recycling in a typical offshore province, the North West Shelf of Australia.</div><div>A systematic search was conducted using three electronic databases (Scopus, ScienceDirect, and Web of Science) to source articles that describe the recycling of offshore polyurethane and its potential. Recycling methods were extracted and synthesised to identify their advantages, disadvantages, and possible gaps in the existing body of knowledge. By synthesising the literature on PU recycling, analysing the local market, and conducting a life cycle assessment of recycling methods, this study demonstrated that mechanical recycling is superior to its alternatives in terms of environmental impact and economic viability.</div></div>","PeriodicalId":100245,"journal":{"name":"Circular Economy","volume":"4 1","pages":"Article 100129"},"PeriodicalIF":0.0,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143628455","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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