Resources, conservation & recycling advances最新文献

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Assessing the sustainability performances of the supply chain of decentralized urban food waste composting for urban green spaces 城市绿地分散式城市食物垃圾堆肥供应链的可持续性绩效评估
IF 5.4
Resources, conservation & recycling advances Pub Date : 2025-01-11 DOI: 10.1016/j.rcradv.2025.200245
Wenrui Shen , Haoran Qiao , Xin Tong , Yilong Xiao , Ling Han
{"title":"Assessing the sustainability performances of the supply chain of decentralized urban food waste composting for urban green spaces","authors":"Wenrui Shen ,&nbsp;Haoran Qiao ,&nbsp;Xin Tong ,&nbsp;Yilong Xiao ,&nbsp;Ling Han","doi":"10.1016/j.rcradv.2025.200245","DOIUrl":"10.1016/j.rcradv.2025.200245","url":null,"abstract":"<div><div>To address challenges of municipal food waste (FW) treatment and urban green space (UGS) soil simultaneously, this study proposes the \"Residential FW - Decentralized Composting - Application to UGS\" (DCUGS) supply chain and assess its sustainability performances. A Mixed-Integer Linear Programming model integrated with GIS (Geo-Information System) at a fine-scale was set up to simulate this conceptual chain in Haidian, Beijing. The sustainability performance of the supply chain is then assessed across economic, environmental, and social dimensions. The results indicated that compost fulfills 61% of residential and 12% of park green space fertilizer needs, with 51% of FW processed locally. Compared to centralized FW management, DCUGS costs 254.21 CNY/ton, 18.04% of centralized treatment costs, mainly due to reduced transportation. Carbon footprint (CF) analysis indicates DCUGS also achieves a carbon reduction of 64.11 kg CO<sub>2e</sub>/ton, surpassing mainstream Chinese FW management. A hedonic model reveals that the increase in residents’ welfare from enhanced greenery outweighs the space occupied by composting facilities. All results show this chain exhibits superior sustainability across three dimensions and may provide a sustainable and preferable choice for the resourceful treatment of FW in Chinese cities.</div></div>","PeriodicalId":74689,"journal":{"name":"Resources, conservation & recycling advances","volume":"25 ","pages":"Article 200245"},"PeriodicalIF":5.4,"publicationDate":"2025-01-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143091894","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
Beneficial use of sludge from water treatment plants as a multiple resource: Potential and limitations 水处理厂污泥作为一种多种资源的有益利用:潜力和局限性
IF 5.4
Resources, conservation & recycling advances Pub Date : 2025-01-10 DOI: 10.1016/j.rcradv.2025.200247
Gabriela Nakayama Messa, Amanda Maria Dantas de Jesus, Fabiana Alves Fiore
{"title":"Beneficial use of sludge from water treatment plants as a multiple resource: Potential and limitations","authors":"Gabriela Nakayama Messa,&nbsp;Amanda Maria Dantas de Jesus,&nbsp;Fabiana Alves Fiore","doi":"10.1016/j.rcradv.2025.200247","DOIUrl":"10.1016/j.rcradv.2025.200247","url":null,"abstract":"<div><div>The increasing and continuous generation of water treatment plant sludge (WTPS) is still an under-recognised problem, although in most countries the inappropriate disposal of WTPS into watercourses has a negative impact on the environment. The need to incorporate circular economic principles in the management of this waste has stimulated studies on the reintroduction of WTPS into the production chain, but these investigations generally evaluate specific processes. The aim of this research was to identify the potential and limitations of WTPS reuse. Therefore, a systematic literature review was carried out using the archival search method, which resulted in the analysis of 106 selected articles. The results show that the beneficial use of WTPS in the manufacture of construction products and as inputs for chemical processes are the most studied applications. This can be explained by sludge's composition that consists of more than 80% by mass of the elements: silicon, aluminum, iron and calcium. It should be noted that the predominance of these elements is related to the type of input used in water purification and the characteristics of the raw water collected. The mineralogical composition of WTPS is seasonally predominated by quartz and kaolinite. These residues also contain heavy metals especially such as barium, chrome, lead and mercury, and microorganisms such as proteobacteria, firmicutes and cyanobacteria, presenting potential risks to human health and the environment, and demanding special care in the management and beneficial uses. The lack of standardization and studies that address environmental and economic viability are research gaps in this area.</div></div>","PeriodicalId":74689,"journal":{"name":"Resources, conservation & recycling advances","volume":"25 ","pages":"Article 200247"},"PeriodicalIF":5.4,"publicationDate":"2025-01-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143092505","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
Role of training in changing designers’ attitudes and behaviour in optimal use of products with recycled content in the construction sector: A systematic literature review 培训在改变设计师的态度和行为的作用,在建筑部门与回收内容的产品的最佳使用:系统的文献综述
IF 5.4
Resources, conservation & recycling advances Pub Date : 2025-01-09 DOI: 10.1016/j.rcradv.2025.200248
Chamari Jayarathna , Tim Ryley , Savindi Caldera , Salman Shooshtarian , Peter SP Wong , Atiq Zaman , Ana Maria Caceres Ruiz
{"title":"Role of training in changing designers’ attitudes and behaviour in optimal use of products with recycled content in the construction sector: A systematic literature review","authors":"Chamari Jayarathna ,&nbsp;Tim Ryley ,&nbsp;Savindi Caldera ,&nbsp;Salman Shooshtarian ,&nbsp;Peter SP Wong ,&nbsp;Atiq Zaman ,&nbsp;Ana Maria Caceres Ruiz","doi":"10.1016/j.rcradv.2025.200248","DOIUrl":"10.1016/j.rcradv.2025.200248","url":null,"abstract":"<div><div>Optimal use of products with recycled content (PwRC) has emerged as a targeted strategy to reduce construction and demolition (C&amp;D) waste disposal and promote resource circularity in the building and construction sector. Within this context, the role of training in changing project designers’ attitudes and behaviour towards the use of PwRC is poorly investigated on a global scale. Hence, this study aims to develop a framework that shows how training can influence project designers’ attitudes and behaviour towards the optimal use of PwRC through two research questions: (a) what are the factors that influence to change the attitude and behaviour, (b) what are the existing theories and models that support the attitudes and behavioural changes, using a systematic literature review. The review found that changing attitudes and behaviour towards the optimal use of PwRC is influenced by psychological factors, although economic and sociological factors do also have an impact. Of these psychological factors, attitude, knowledge, perceived behaviour control, and subjective norms are more frequently examined. From the economic factors, economic benefits and from sociological factors, collaboration and communication are the primary considerations. The review also suggests that the theory of Planned Behaviour and the Extended Theory of Planned Behaviour are the most widely used theories in this respect. This study contributes to the knowledge development by proposing a seven-element training framework aiming to influence project designers’ attitudes and behavioural change towards the optimal use of PwRC. This is a foundation for further research on circular economy education for construction project designers.</div></div>","PeriodicalId":74689,"journal":{"name":"Resources, conservation & recycling advances","volume":"25 ","pages":"Article 200248"},"PeriodicalIF":5.4,"publicationDate":"2025-01-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143092504","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
Upcycling of medium-density fiberboard and polyurethane foam wastes into novel composite materials 中密度纤维板和聚氨酯泡沫废材料的升级利用
IF 5.4
Resources, conservation & recycling advances Pub Date : 2025-01-09 DOI: 10.1016/j.rcradv.2025.200244
Aleksander Hejna , Mateusz Barczewski , Joanna Aniśko , Adam Piasecki , Roman Barczewski , Paulina Kosmela , Jacek Andrzejewski , Marek Szostak
{"title":"Upcycling of medium-density fiberboard and polyurethane foam wastes into novel composite materials","authors":"Aleksander Hejna ,&nbsp;Mateusz Barczewski ,&nbsp;Joanna Aniśko ,&nbsp;Adam Piasecki ,&nbsp;Roman Barczewski ,&nbsp;Paulina Kosmela ,&nbsp;Jacek Andrzejewski ,&nbsp;Marek Szostak","doi":"10.1016/j.rcradv.2025.200244","DOIUrl":"10.1016/j.rcradv.2025.200244","url":null,"abstract":"<div><div>While plastic and e-waste dominate public discourse, municipal waste, particularly bulky wastes pose a significant challenge due to their large-scale generation aligning with the enrichment of society. Their efficient collection and keeping in a loop should be considered among the priorities of municipal waste management. Herein, the presented work presents novel composite materials obtained from flexible polyurethane foams used as mattresses and medium-density fiberboards applied in furniture products. Composites have been prepared using compression molding, with the addition of an innovative binder composed of a diisocyanate and inorganic salt, whose in situ decomposition led to the gas generation providing the porous structure and strengthening the interfacial bonding inside the material. The impact of changes induced by the chemical interactions on the appearance, morphology, mechanical, thermal, acoustic and insulation performance of composites has been evaluated. Observed changes pointed to the auspicious conclusions on the further applications of the examined binder composition.</div></div>","PeriodicalId":74689,"journal":{"name":"Resources, conservation & recycling advances","volume":"25 ","pages":"Article 200244"},"PeriodicalIF":5.4,"publicationDate":"2025-01-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143090605","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
Sustainable and low-cost protic ionic liquid-based recovery of oil from agricultural wastes “date pits” for biofuel production 可持续和低成本的以质子离子液体为基础的从农业废弃物“枣坑”中回收油用于生物燃料生产
IF 5.4
Resources, conservation & recycling advances Pub Date : 2025-01-08 DOI: 10.1016/j.rcradv.2025.200246
Mohammed Talhami , Abdurahman Hafez Mohammed Kashem , Kenan A. Alkhamri , Omar Albatarni , Mahmoud Ibrahim Thaher , Probir Das , Maryam AL-Ejji , Alaa H. Hawari
{"title":"Sustainable and low-cost protic ionic liquid-based recovery of oil from agricultural wastes “date pits” for biofuel production","authors":"Mohammed Talhami ,&nbsp;Abdurahman Hafez Mohammed Kashem ,&nbsp;Kenan A. Alkhamri ,&nbsp;Omar Albatarni ,&nbsp;Mahmoud Ibrahim Thaher ,&nbsp;Probir Das ,&nbsp;Maryam AL-Ejji ,&nbsp;Alaa H. Hawari","doi":"10.1016/j.rcradv.2025.200246","DOIUrl":"10.1016/j.rcradv.2025.200246","url":null,"abstract":"<div><div>Several studies revealed that date pits, often regarded as agro-industrial waste, possess the potential to be upgraded to value-added products like biofuels. Yet, the majority of the oil extraction studies from date pits relied on the use of environmentally harmful organic solvents which are highly flammable and toxic. Thus, for the first time, this paper is aimed at developing a cost-effective, green, and novel technology for the extraction of oil from date pits using protic ionic liquids. The date pits of eight distinct varieties were structurally characterized, determining their composition of oil (7.6–10.9%), carbohydrates (80.8–84.6%), protein (4.8–8.8%), and ash (1.1–1.7%) based on dry biomass. The quality of oil across these date pits was found to be comparatively similar and well-suited for biofuel production, with oleic, lauric, myristic, and palmitic acid being the most abundant constituents. The screening of six unique protic ionic liquids indicated that Triethylammonium dihydrogen phosphate [TEA][H<sub>2</sub>PO<sub>4</sub>] exhibited the highest oil extraction of 91.3 mg/g biomass (84% of total oil) from Majdool dates. The investigation of process parameters disclosed that temperature significantly affected oil extraction performance, whereas the reaction duration's impact was found to be minor. The recycling and reuse of [TEA][H<sub>2</sub>PO<sub>4</sub>] for the extraction of oil from Majdool date seeds throughout four cycles were promising in terms of performance stability, thereby promoting process viability. The outcomes obtained through this study endorse the capacity of low-cost protic ionic liquids to efficiently extract oil from date pits, presenting a viable alternative to toxic organic solvents in this context.</div></div>","PeriodicalId":74689,"journal":{"name":"Resources, conservation & recycling advances","volume":"25 ","pages":"Article 200246"},"PeriodicalIF":5.4,"publicationDate":"2025-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143091893","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
Agricultural residues to high-value nanomaterials: Pathways to sustainability 农业残留物到高价值纳米材料:通往可持续性的途径
IF 5.4
Resources, conservation & recycling advances Pub Date : 2025-01-02 DOI: 10.1016/j.rcradv.2025.200243
Kelvin Adrian Sanoja-López , Jeffrey Saúl Cedeño-Muñoz , Bryan Fernando Rivadeneira-Mendoza , Arnaldo Vergara-Romero , Rafael Luque , Joan Manuel Rodríguez-Díaz
{"title":"Agricultural residues to high-value nanomaterials: Pathways to sustainability","authors":"Kelvin Adrian Sanoja-López ,&nbsp;Jeffrey Saúl Cedeño-Muñoz ,&nbsp;Bryan Fernando Rivadeneira-Mendoza ,&nbsp;Arnaldo Vergara-Romero ,&nbsp;Rafael Luque ,&nbsp;Joan Manuel Rodríguez-Díaz","doi":"10.1016/j.rcradv.2025.200243","DOIUrl":"10.1016/j.rcradv.2025.200243","url":null,"abstract":"<div><div>Agriculture plays an essential role in sustaining society, yet the substantial waste produced during agricultural processes presents a major challenge for waste management. Often, agricultural waste is simply burned, posing environmental concerns. To address these issues, the revalorisation of agricultural waste by converting it into high-value nanomaterials offers a promising approach. This work reviews recent advances in the synthesis of nanomaterials from agricultural waste, focusing on materials such as carbonaceous compounds, metal-organic frameworks (MOFs), polymers, and silica-based nanomaterials. It also explores their applications in key sectors, including agriculture, water treatment, and medicine. A feasibility analysis assessed both economic viability and environmental impact, demonstrating that polymeric, carbon-based, and siliceous nanomaterials are particularly cost-effective and environmentally beneficial. This revalorization process not only generates commercially valuable nanomaterials but also promotes sustainable waste management practices. The study underscores the significant potential of agricultural waste as a resource for producing nanomaterials, aligning with both waste reduction and the generation of marketable products.</div></div>","PeriodicalId":74689,"journal":{"name":"Resources, conservation & recycling advances","volume":"25 ","pages":"Article 200243"},"PeriodicalIF":5.4,"publicationDate":"2025-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143090604","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
Biochar in cementitious composites: A comprehensive review of properties, compatibility, and prospect of use in sustainable geopolymer concrete 生物炭在胶凝复合材料中的应用:性能、相容性及其在可持续地聚合物混凝土中的应用前景的综合综述
IF 5.4
Resources, conservation & recycling advances Pub Date : 2024-12-18 DOI: 10.1016/j.rcradv.2024.200242
Seemab Tayyab , Wahid Ferdous , Weena Lokuge , Rafat Siddique , Allan Manalo
{"title":"Biochar in cementitious composites: A comprehensive review of properties, compatibility, and prospect of use in sustainable geopolymer concrete","authors":"Seemab Tayyab ,&nbsp;Wahid Ferdous ,&nbsp;Weena Lokuge ,&nbsp;Rafat Siddique ,&nbsp;Allan Manalo","doi":"10.1016/j.rcradv.2024.200242","DOIUrl":"10.1016/j.rcradv.2024.200242","url":null,"abstract":"<div><div>Geopolymer concrete (GPC) finds great potential in reducing global warming emissions from the construction sector. The conventional GPC precursor binders (fly ash, slag, metakaolin, silica fume, etc.) and alkaline activators are expensive, pollution-causing, and insufficient to meet the global requirement of concrete. Biochar (BC), agricultural waste produced through pyrolysis has rapidly been employed in cementitious composites since last decade because of its low cost, low carbon footprint, and ecological advantages. This paper presents a detailed review of the compatibility of BC with GPC, the properties (physical, chemical, and mechanical) in cementitious composites, and the chemical suitability of BC with GPC. The physical and chemical properties of BC can be controlled and highly depend on its production method (temperature, pressure, heating rate, resident time). The BC rich in silica and alumina is a feasible alternative to the solid precursor in geopolymer composites by controlling the particle size and mix design. The formation of a highly alkaline BC with water ensured its compatibility as an alkaline activator solution. They revealed comparable strength to GPC produced using conventional activators. Future studies are needed to investigate BC's experimental and practical applications as a precursor and alkaline activator in geopolymer composites.</div></div>","PeriodicalId":74689,"journal":{"name":"Resources, conservation & recycling advances","volume":"25 ","pages":"Article 200242"},"PeriodicalIF":5.4,"publicationDate":"2024-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143091888","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
Cutting-edge techniques and environmental insights in recycled concrete aggregate production: A comprehensive review 再生混凝土骨料生产中的尖端技术和环境见解:全面回顾
IF 5.4
Resources, conservation & recycling advances Pub Date : 2024-12-14 DOI: 10.1016/j.rcradv.2024.200241
Ram Prasad Neupane , Ningombam Reena Devi , Thanongsak Imjai , Abhishek Rajput , Takafumi Noguchi
{"title":"Cutting-edge techniques and environmental insights in recycled concrete aggregate production: A comprehensive review","authors":"Ram Prasad Neupane ,&nbsp;Ningombam Reena Devi ,&nbsp;Thanongsak Imjai ,&nbsp;Abhishek Rajput ,&nbsp;Takafumi Noguchi","doi":"10.1016/j.rcradv.2024.200241","DOIUrl":"10.1016/j.rcradv.2024.200241","url":null,"abstract":"<div><div>The rapid growth of urban infrastructure has led to a substantial rise in construction and demolition waste (C&amp;DW), causing environmental issues like overflowing landfills and depletion of natural resources. Recycled concrete aggregates (RCA) offer a sustainable alternative to natural aggregates (NA), helping reduce landfill use and energy consumption by up to 85 % and lowering CO<sub>2</sub> emissions by 90 %, providing significant environmental and economic benefits. However, untreated RCA exhibits lower strength and durability due to adhered mortar and impurities. This review delves into novel and advanced RCA treatment methods and production techniques that enhance RCA's properties. These methods achieve up to 42 % improvement in compressive strength and a 27 % reduction in water absorption. Researchers have found that impact crushers produce higher-quality aggregates compared to jaw or cone crushers. Treatments like acid washing and carbonation enhance particle density and reduce water absorption by 17.5 %. Recycled aggregate concrete (RAC) produced from treated RCA can reach 87 % of the compressive strength of natural aggregate concrete (NAC), with certain combined treatments achieving results close to NAC. Inconsistencies in RCA properties due to various treatments emphasise the need for standardised production and testing guidelines. This review underscores RCA's role in promoting sustainable construction and its potential to significantly mitigate CO<sub>2</sub> emissions, encouraging further research to refine these methods for long-term environmental gains.</div></div>","PeriodicalId":74689,"journal":{"name":"Resources, conservation & recycling advances","volume":"25 ","pages":"Article 200241"},"PeriodicalIF":5.4,"publicationDate":"2024-12-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143090606","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
Valorisation of gypsum boards with polyurethane waste to promote their circular economy 利用聚氨酯废弃物对石膏板进行增值,促进其循环经济
IF 5.4
Resources, conservation & recycling advances Pub Date : 2024-12-13 DOI: 10.1016/j.rcradv.2024.200240
Alba Rodrigo-Bravo , Sara Pavía , Verónica Calderón Carpintero , Lourdes Alameda Cuenca-Romero , Sara Gutiérrez-González
{"title":"Valorisation of gypsum boards with polyurethane waste to promote their circular economy","authors":"Alba Rodrigo-Bravo ,&nbsp;Sara Pavía ,&nbsp;Verónica Calderón Carpintero ,&nbsp;Lourdes Alameda Cuenca-Romero ,&nbsp;Sara Gutiérrez-González","doi":"10.1016/j.rcradv.2024.200240","DOIUrl":"10.1016/j.rcradv.2024.200240","url":null,"abstract":"<div><div>The new European environmental policies for construction focus on sustainability, promoting energy efficiency, recyclable materials and circularity, with an emphasis on waste management. This study enhances gypsum board circularity by recycling polyurethane gypsum ceiling tiles waste into a new precast material for suspended and demountable ceilings. The process treats the waste as a whole, without separating the original raw materials: gypsum, polyurethane foam waste and fiberglass. The objective is to determine a gypsum mixture, incorporating the maximum amount of waste, with suitable mechanical properties, workability and consistency for industrial replication. The research studies the physical and mechanical properties of the new products. During the manufacturing phase of the new plasters, it is reported that citric acid needs to be added to the mixtures to ensure good workability and to delay the setting time. Without pre-calcination, gypsum mortars with recycled ceiling tile show a 7 to 10 % reduction in bulk density, compared to the reference plaster. Only two of the four samples tested meet the mechanical requirements, with strengths 35 and 60 % lower than those of the control mixture. Finally, the thermal conductivity of the innovative mortars is on average 16 % lower, improving the insulating properties of the material. The results conclude the feasibility of valorising polyurethane gypsum boards waste, promoting sustainable recycling practices.</div></div>","PeriodicalId":74689,"journal":{"name":"Resources, conservation & recycling advances","volume":"25 ","pages":"Article 200240"},"PeriodicalIF":5.4,"publicationDate":"2024-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143091889","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
Environmental benefits of airport waste classification and recycling strategies: An analysis of behavior in multi-agent systems 机场垃圾分类与回收策略的环境效益:多智能体系统行为分析
IF 5.4
Resources, conservation & recycling advances Pub Date : 2024-12-11 DOI: 10.1016/j.rcradv.2024.200239
Zixin Bian, Zhibo Zhao, Xinrui Guo, Yifan Gu, Yi Yi, Yuxian Hong, Mingxuan Tuo, Yihan Li, Yufeng Wu
{"title":"Environmental benefits of airport waste classification and recycling strategies: An analysis of behavior in multi-agent systems","authors":"Zixin Bian,&nbsp;Zhibo Zhao,&nbsp;Xinrui Guo,&nbsp;Yifan Gu,&nbsp;Yi Yi,&nbsp;Yuxian Hong,&nbsp;Mingxuan Tuo,&nbsp;Yihan Li,&nbsp;Yufeng Wu","doi":"10.1016/j.rcradv.2024.200239","DOIUrl":"10.1016/j.rcradv.2024.200239","url":null,"abstract":"<div><div>The classification and recycling of airport waste has become a key point in developing green airports. However, airport waste classification involves a large number of stakeholders. The influence factors are complex, and the interactions between the stakeholders are not clear. Based on the agent-based model, we sort out the behaviors and driving factors of the three main stakeholders, namely passengers, collectors, and managers, and construct a multi-agent system of airport waste classification and recycling with the coupling of the waste generation subsystem, the recycling subsystem and the strategy formulation subsystem. By the complex system, we analyze the comprehensive effects of different policy strategies. Using the life cycle assessment method, an environmental benefit assessment model for airport waste classification and recycling is established to analyze the environmental benefits of different strategies and find the best strategy for the airport. The results show that implementing policy strategies can significantly change passengers’ waste disposal behavior and more than double their willingness to use green products. The combined strategy of the full-factor change scenario demonstrates a significant effect in optimizing the waste metabolism structure and recyclables disposal structure at the airport, with a 76.9 % increase in the use of green products relative to the BAU scenario. Through the implementation of the combined strategy, recyclable waste recycling can reduce 10.6 t CO<sub>2</sub>e and 15.6 % of photochemical oxidant emissions, which is a significant environmental benefit.</div></div>","PeriodicalId":74689,"journal":{"name":"Resources, conservation & recycling advances","volume":"25 ","pages":"Article 200239"},"PeriodicalIF":5.4,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143128535","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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