Resources Conservation and Recycling最新文献_第6页

Understanding textile value chains: Dynamic Probabilistic Material Flow Analysis of textile in the European Union 了解纺织价值链：欧盟纺织品的动态概率物质流分析

IF 11.2 1区环境科学与生态学

Resources Conservation and Recycling Pub Date : 2024-09-13 DOI: 10.1016/j.resconrec.2024.107888

引用次数: 0

Efficient and emission-reduced recovery of high-purity copper from waste enameled copper wires 从废弃漆包铜线中高效回收高纯度铜并减少排放

IF 11.2 1区环境科学与生态学

Resources Conservation and Recycling Pub Date : 2024-09-13 DOI: 10.1016/j.resconrec.2024.107903

{"title":"Efficient and emission-reduced recovery of high-purity copper from waste enameled copper wires","authors":"","doi":"10.1016/j.resconrec.2024.107903","DOIUrl":"10.1016/j.resconrec.2024.107903","url":null,"abstract":"<div>The escalating demand for refined copper intensifies research into the recycling of copper-based solid waste, exemplified by recovery of copper from waste enameled copper wires (WECWs). Despite its potential, the pyrolysis process for WECWs is hindered by embrittlement, diminishing both recycling yield and quality. Our study pioneers the elucidation of the embrittlement mechanism during WECWs pyrolysis through atom probe tomography and first-principles calculations, revealing that hydrogen, a byproduct of paint film pyrolysis, accumulates at copper grain boundaries, inducing embrittlement by reducing adhesion energy. We introduce two innovative strategies to mitigate hydrogen-induced embrittlement: vacuum pyrolysis and enhanced N2 flow. These approaches significantly reduced hydrogen content from 11.1 % to about 5 % and increased elongation from 2.65 % to 15 %. Moreover, pyrolysis efficiencies of 92.79 % and 91.4 % were achieved, respectively, at temperatures 50 °C lower than conventional methods. Our findings provide crucial theoretical insights into embrittlement and offer effective recovery strategies for copper from solid waste.</div>","PeriodicalId":21153,"journal":{"name":"Resources Conservation and Recycling","volume":null,"pages":null},"PeriodicalIF":11.2,"publicationDate":"2024-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142173148","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}

引用次数: 0

Wet carbonation of recycled cement paste powder using a CO2-loaded monoethanolamine solvent as an internal CO2 source 使用二氧化碳负载单乙醇胺溶剂作为内部二氧化碳源对再生水泥浆粉进行湿式碳化

IF 11.2 1区环境科学与生态学

Resources Conservation and Recycling Pub Date : 2024-09-13 DOI: 10.1016/j.resconrec.2024.107901

引用次数: 0

Conceptualizing sustainability in China's belt and road initiative: A longitudinal analysis of scholarship (2013 - 2024) 中国 "一带一路 "倡议中的可持续性概念化：学术纵向分析（2013 - 2024 年）

IF 11.2 1区环境科学与生态学

Resources Conservation and Recycling Pub Date : 2024-09-13 DOI: 10.1016/j.resconrec.2024.107891

{"title":"Conceptualizing sustainability in China's belt and road initiative: A longitudinal analysis of scholarship (2013 - 2024)","authors":"","doi":"10.1016/j.resconrec.2024.107891","DOIUrl":"10.1016/j.resconrec.2024.107891","url":null,"abstract":"<div>One decade after China's announcement of the Belt and Road Initiative (BRI), theoretical and practical debates linger about the environmental impacts. However, no studies have systematically analyzed how academic research conceptualizes BRI and sustainability within it. This study reviews definitional aspects and sustainability discourses concerning the BRI. Analyzing a sample of 171 peer-reviewed journal articles published between 2013 and 2024, the study uses a coding framework comprising eight categories broadly covering the sustainability building blocks of the BRI. Additionally, a comparison of academic conceptualizations and China's policy practices reveals several gaps on the topics of stakeholders, investment agencies, investment volumes, and sectors. Outdated or vague conceptualizations are found in research that examines (i) China as a unitary actor, (ii) the centrality of China-led organizations like the AIIB, and (iii) BRI investment volumes and impacts. Findings also reveal that scholarly knowledge about the BRI, a decade after the initiative's announcement, remains limited and disparate. The study's meta-framework advances the literature by providing a template for bringing sustainability studies and BRI studies together into more meaningful interface.</div>","PeriodicalId":21153,"journal":{"name":"Resources Conservation and Recycling","volume":null,"pages":null},"PeriodicalIF":11.2,"publicationDate":"2024-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0921344924004841/pdfft?md5=aa6d0094b2961a223304db305de600e6&pid=1-s2.0-S0921344924004841-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142229189","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Assessing GHG Emission Reduction in Biomass-Derived Biochar Production via Slow Pyrolysis: A Cradle-to-gate LCA Approach 评估通过缓慢热解生产生物质衍生生物炭过程中的温室气体减排：从摇篮到终点的生命周期评估方法

IF 11.2 1区环境科学与生态学

Resources Conservation and Recycling Pub Date : 2024-09-13 DOI: 10.1016/j.resconrec.2024.107900

{"title":"Assessing GHG Emission Reduction in Biomass-Derived Biochar Production via Slow Pyrolysis: A Cradle-to-gate LCA Approach","authors":"","doi":"10.1016/j.resconrec.2024.107900","DOIUrl":"10.1016/j.resconrec.2024.107900","url":null,"abstract":"<div>Biochar, a potent negative emission technology (NET), sequesters carbon through biomass thermochemical conversion. Despite greenhouse gas (GHG) storage in biochar being well-understood, analyzing GHG emissions during production is challenging due to diverse carbonization methods. We utilized life cycle assessment (LCA) to address this complexity. In a literature survey, we analyzed contemporary biochar LCA studies, extracting GHG data for emission factor (EF) determination. A scenario-specific case study assesses GHG emission reduction in crop residue-derived biochar. Key factors influencing biochar emissions include feedstock type, surplus energy use, and carbonization scale. Biochar contains EFs ranging from −1.10 to 0.68 ton-CO2e/ton-biochar. The case study demonstrates that biochar total abatements span from −625,775 to −215,712 ton-CO2e/year (derived from 840,000 ton-crop residue/year). While overall emission reduction relies on GHG storage, carbonization emissions significantly contribute to total emission diversity. The study proposes a meticulous LCA approach for realistic biochar production, crucial for assessing carbon crediting or offsetting schemes.</div>","PeriodicalId":21153,"journal":{"name":"Resources Conservation and Recycling","volume":null,"pages":null},"PeriodicalIF":11.2,"publicationDate":"2024-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0921344924004932/pdfft?md5=87f3ef919f7716248be79f371c093d22&pid=1-s2.0-S0921344924004932-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142173151","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Economic and environmental impact analysis of cellulose nanofiber-reinforced concrete mixture production 纤维素纳米纤维增强混凝土混合物生产的经济和环境影响分析

IF 11.2 1区环境科学与生态学

Resources Conservation and Recycling Pub Date : 2024-09-12 DOI: 10.1016/j.resconrec.2024.107917

{"title":"Economic and environmental impact analysis of cellulose nanofiber-reinforced concrete mixture production","authors":"","doi":"10.1016/j.resconrec.2024.107917","DOIUrl":"10.1016/j.resconrec.2024.107917","url":null,"abstract":"<div>Incorporating cellulose nanofibers into concrete has a positive impact on its strength. This study evaluated how cellulose nanofiber-reinforced concrete affected the economic and environmental performance compared to conventional concrete. The estimated minimum selling price per unit mass (m3) per unit compressive strength (MPa) of cellulose nanofiber-reinforced concrete mixture is 12 % lower ($2.52/m3/MPa) compared to the minimum selling price of conventional concrete mixture ($2.87/m3/MPa). However, when comparing the minimum selling price on a mass basis, the cellulose nanofiber-reinforced concrete mixture showed a 3.33 % higher minimum selling price ($150/m3) than the conventional concrete mixture ($145/m3). Similarly, the estimated global warming impact of cellulose nanofiber-reinforced concrete mixture was higher by 0.59 % when evaluated on a mass basis (509.88 kg CO2 eq/m3) but 14.5 % lower when evaluated on per m3 per unit compressive strength basis (8.57 kg CO2 eq/m3/MPa), compared to conventional concrete mixture (506.88 kg CO2 eq/m3 or 10.02 kg CO2 eq/m3/MPa).</div>","PeriodicalId":21153,"journal":{"name":"Resources Conservation and Recycling","volume":null,"pages":null},"PeriodicalIF":11.2,"publicationDate":"2024-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142173258","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}

引用次数: 0

Advances in thermochemical valorization of biomass towards carbon neutrality 生物质热化学价值化在实现碳中和方面的进展

IF 11.2 1区环境科学与生态学

Resources Conservation and Recycling Pub Date : 2024-09-11 DOI: 10.1016/j.resconrec.2024.107905

{"title":"Advances in thermochemical valorization of biomass towards carbon neutrality","authors":"","doi":"10.1016/j.resconrec.2024.107905","DOIUrl":"10.1016/j.resconrec.2024.107905","url":null,"abstract":"<div>In the context of carbon neutrality, the push for sustainable and low-carbon development in both economy and society have accelerated the large-scale utilization of biomass as a partial replacement for fossil fuels. As the only carbon-containing renewable resource, biomass valorization shows great potential in the production of value-added products including carbon-negative biofuels, chemicals, and carbon materials. In this review, we highlight the key aspects of thermochemical upgrading, including the thermal deconstruction of biomass feedstock, selective production of high-value chemicals, and the preparation and application of carbon-based materials. Particularly, the application of sustainable and economical pretreatments is vital for promoting efficiency in the follow-up thermochemical transformation. The introduction of catalytic materials greatly contributes to the selective production of a series of building blocks and high-value chemicals. Furthermore, it is clear that the future application of porous biochar strongly depends on the modification methods. Last but not least, the challenges and future research directions for the large-scale utilization of biomass are proposed, where effective coupling of thermal deconstruction with further upgrading into a wide range of derivatives should be given significant emphasis. This review aims to provide strong support for the realization of carbon neutrality through high-value transformation of biomass resources.</div>","PeriodicalId":21153,"journal":{"name":"Resources Conservation and Recycling","volume":null,"pages":null},"PeriodicalIF":11.2,"publicationDate":"2024-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142163322","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}

引用次数: 0

Prospects of advanced oxidation processes for high-salinity coking wastewater treatment: A strategy to support sustainable management 高级氧化工艺在高含盐量焦化废水处理中的应用前景：支持可持续管理的战略

IF 11.2 1区环境科学与生态学

Resources Conservation and Recycling Pub Date : 2024-09-10 DOI: 10.1016/j.resconrec.2024.107880

引用次数: 0

A dual-driven fusion model of evaluating the performance and carbon emissions for recycled waste pavement 评估再生废料路面性能和碳排放的双驱动融合模型

IF 11.2 1区环境科学与生态学

Resources Conservation and Recycling Pub Date : 2024-09-08 DOI: 10.1016/j.resconrec.2024.107895

{"title":"A dual-driven fusion model of evaluating the performance and carbon emissions for recycled waste pavement","authors":"","doi":"10.1016/j.resconrec.2024.107895","DOIUrl":"10.1016/j.resconrec.2024.107895","url":null,"abstract":"<div>Solid waste recycling is an essential approach for the sustainable transition of transportation infrastructure development. In this study, a holistic model for recycled waste pavement was developed, achieving a breakthrough in eco-efficiency-based pavement material design. Using this model, we can not only individually assess the technical feasibility of the pavement material and its carbon emissions, but also realize the unified dimensional quantification of multidimensional parameters based on decision-making expectations using a metrics fusion system, thus achieving high-level sustainability decisions for pavement schemes. The proposed model was validated by evaluating the comprehensive properties of steel slag pavements to determine a suitable and durable pavement solution. This study provides a decarbonization strategy for the transportation sector considering waste-recycled pavement design, which may promote the development of more resilient transportation infrastructure and significantly contribute to achieving carbon neutrality and mitigating climate change.<ul><li>•A model for solid waste pavement was established based on synthesized assessing feasibility and carbon emissions.</li><li>•The field performance and climate system impacts of pavements with solid waste materials were assessed.</li><li>•It was demonstrated that recycling steel slag for pavement construction can reduce carbon emissions by >50 %.</li><li>•Our results contribute to achieving sustainable transportation infrastructure systems to mitigate climate issues.</li><li>•Our methodology can be used not only for road construction but also in the civil engineering field.</li></ul></div>","PeriodicalId":21153,"journal":{"name":"Resources Conservation and Recycling","volume":null,"pages":null},"PeriodicalIF":11.2,"publicationDate":"2024-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142158173","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}

引用次数: 0

Growing community-based composting programs in China: Implementation and policy lessons from eight cases 中国社区堆肥项目的发展：从八个案例中汲取的实施和政策经验教训

IF 11.2 1区环境科学与生态学

Resources Conservation and Recycling Pub Date : 2024-09-07 DOI: 10.1016/j.resconrec.2024.107882

{"title":"Growing community-based composting programs in China: Implementation and policy lessons from eight cases","authors":"","doi":"10.1016/j.resconrec.2024.107882","DOIUrl":"10.1016/j.resconrec.2024.107882","url":null,"abstract":"<div>Localised processing of waste into resources is a prime target towards circular economy, yet community-led composting programs have reported significant implementation challenges. There are no implementation process models or guidelines for programs spanning community, waste, governance, legislation domains: each community learns anew. Here we report a multi-case study of community-led composting program implementations in eight urban sites in China. In-depth key-informant interview information was analysed as cycles of activity towards increasingly-complex needs/targets (like simple recycling; complex composting). Cross-community comparisons suggest transferable implementation lessons: delegation of certain roles is more effective than simply involving stakeholders; enthusiasts can significantly mobilize stakeholders but cannot replace them; paperwork burden could negate funding availability benefits; access to specific expertise (technical, legal, operational) at crucial moments was key; stakeholder learning was most effective via personal meetings and introductions. City policies incorporating these implementation lessons could facilitate scaling-up in China. Future studies can investigate generalizability.</div>","PeriodicalId":21153,"journal":{"name":"Resources Conservation and Recycling","volume":null,"pages":null},"PeriodicalIF":11.2,"publicationDate":"2024-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142148749","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}

引用次数: 0