Cleaner and Circular Bioeconomy最新文献

{"title":"Scale-up of a sorption process working with molecularly imprinted adsorbents for enrichment of winemaking residues and improvement of bioactivity","authors":"Catarina P. Gomes ,&nbsp;Cristina N. Duarte ,&nbsp;Cláudia D. Martins ,&nbsp;Joana S. Amaral ,&nbsp;Getúlio Igrejas ,&nbsp;Maria João V. Pereira ,&nbsp;Mário Rui P.F.N. Costa ,&nbsp;Rolando C.S. Dias","doi":"10.1016/j.clcb.2024.100093","DOIUrl":"10.1016/j.clcb.2024.100093","url":null,"abstract":"<div><p>This work presents the scale-up of a sorption process for the fractionation and enrichment of bioactive compounds in winemaking residues using molecularly imprinted adsorbents. The process works with hydroalcoholic solvents and the improvement of the bioactivity of the produced fractions, comparatively to the raw extracts, is demonstrated. The proposed approach was experimentally validated through the designing and running of a pilot size sorption prototype for the automation of the fractionation method. The synthesis of the molecularly imprinted adsorbents was made at the gram-scale and spent diatomaceous earth, used for wine filtration, was considered as a possible source of bioactive compounds in winemaking residues.</p><p>The different fractions produced were evaluated for their antioxidant activity through three different assays, namely radical scavenging activity, reducing power and inhibition of lipid peroxidation. The results obtained show the improvement of the bioactivity of most of the fractions comparatively to the original diatomaceous earth extract. The most enriched fraction is estimated to have a total phenolic content c.a. 3.8 times higher than the original extract. The radical scavenging activity, the reducing power and the inhibition of lipid peroxidation for this fraction were measured to be 6.4, 4.2 and 4.5 times higher, respectively, than the initial diatomaceous earth extract.</p><p>This work provides new insights on biomass valorisation and circular bioeconomy by combining in the same research materials development, process design and application to real extracts with proved improvement of the bioactivity of purified products.</p></div>","PeriodicalId":100250,"journal":{"name":"Cleaner and Circular Bioeconomy","volume":"8 ","pages":"Article 100093"},"PeriodicalIF":0.0,"publicationDate":"2024-06-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772801324000216/pdfft?md5=24947eb7cf4b8d36563fe726faa79b64&pid=1-s2.0-S2772801324000216-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141415493","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}

{"title":"Exploring the potential of Nipah palm frond as sustainable raw material for eco-friendly particleboard production","authors":"Ros Syazmini Mohd Ghani ,&nbsp;Mohammad Shahril Osman ,&nbsp;Abdul Ismail Abdul Rani","doi":"10.1016/j.clcb.2024.100092","DOIUrl":"https://doi.org/10.1016/j.clcb.2024.100092","url":null,"abstract":"<div><p>Efforts to reduce the use of solid wood have led to an increase in the production of wood-based products especially particleboard. The wood industry is now exploring alternative materials such as crop residue, agricultural biomass, and non-woody plants to meet the demand for the wood-based products. This article focuses on the potential of Nipah palm frond, an abundant but underutilized non-wood resource in Sarawak, as a potential raw material for particleboard. Since the research on Nipah plant is still relatively new, no commercialised products have been developed from this plant. Therefore, this review paper evaluates the properties of Nipah palm frond and its compatibility with particleboard processing parameters in order to produce particleboard for non-construction applications. Despite limitations in raw material properties, prior studies suggest Nipah palm frond particles can be used to produce medium-density particleboard. The article offers comprehensive rationale for product development and provides recommendations for processing parameters, offering insights into the potential of this sustainable resource in the wood-based industry.</p></div>","PeriodicalId":100250,"journal":{"name":"Cleaner and Circular Bioeconomy","volume":"8 ","pages":"Article 100092"},"PeriodicalIF":0.0,"publicationDate":"2024-06-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772801324000204/pdfft?md5=8ce3491733eb1e52f3f8c0f20169b5b2&pid=1-s2.0-S2772801324000204-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141314535","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}

{"title":"Environmental practices and the growth of small and medium agro-processing enterprises in Uganda","authors":"Samuel Kabbera,&nbsp;Anthony Tibaingana,&nbsp;Yusuf Kiwala,&nbsp;Jude Thaddeo Mugarura","doi":"10.1016/j.clcb.2024.100090","DOIUrl":"https://doi.org/10.1016/j.clcb.2024.100090","url":null,"abstract":"<div><p>The study investigated the relationship between environmentally sustainable practices and the growth of agro-processing small and medium enterprises (SMEs) in Uganda. Aquantitative methodology was used to gather information from 367 respondents from agro-processing SMEs in Greater Kampala Metropolitan Area (GKMA) in Uganda. The study findings suggest that environmental practices regarding energy conservation, waste reduction and water conservation have a positive and significant relationship to the growth of agro-processing SMEs. As a result, the study suggests and recommends an environmental sustainability model that can be used by small and medium-sized agro-processing businesses in the GKMA. This is expected to improve the growth of agro-processing SMEs in Uganda thus adding to the conversation about sustainability in the Ugandan agro-processing industry as a whole.</p></div>","PeriodicalId":100250,"journal":{"name":"Cleaner and Circular Bioeconomy","volume":"8 ","pages":"Article 100090"},"PeriodicalIF":0.0,"publicationDate":"2024-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772801324000186/pdfft?md5=dfe1b94ba2174df355abe1ce8c042c0c&pid=1-s2.0-S2772801324000186-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141095532","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}

{"title":"Investigating waste mineral-filled cellulose sourcing in circular economy for regeneration into composite: Matching existing market volumes of oil-based plastics for packaging","authors":"Monireh Imani ,&nbsp;Isabel María Vidal Carreras ,&nbsp;Katarina Dimić-Mišić ,&nbsp;Mirjana Kostić ,&nbsp;Ernest Barceló ,&nbsp;María Alicia Cardete García ,&nbsp;Patrick Gane","doi":"10.1016/j.clcb.2024.100089","DOIUrl":"10.1016/j.clcb.2024.100089","url":null,"abstract":"<div><p>Global consumption of plastics has increased continuously in recent decades, leaving today's society with one of the most pressing environmental problems, plastic pollution. Current research has been focused on the development of bio-sustainable products with the aim of replacing the use of petroleum-based polymers with sustainable, renewable, and environmentally friendly materials. In this context, bioplastics have emerged, and where possible supporting biodegradability. The most abundant polymer occurring naturally is cellulose and remains one of the most promising renewable materials to replace plastic. This work forms part of a larger research activity studying the novel production of regenerated cellulose using ionic liquid dissolution, with the aim of drawing on filler-containing paper and board waste as a raw material for potential plastic replacement in circular economy. Analysis applied to a literature search is reported comparing the current consumption of plastics in packaging, the generation of packaging waste, the production and consumption of paper and cardboard and finally the recycling rate of these materials in Europe with special focus on material that either fails to enter, or is rejected during, the classical recycling process. Based on these data, commercialisation of cellulose regeneration made solely from the volume of paper and board waste that has failed to enter standard recycling, excluding single use products, e.g., sanitary, would be able to cover the current demand for plastic films used in packaging, and that no additional biomass in principle is needed. This finding not only supports the effort being made to scale-up the cellulose regeneration process commercially but relieves the pressure on agricultural land currently foreseen to be otherwise needed for extensive biomass production, rather allowing it to serve its main purpose in food production, so contributing to the circular economy quest for sustainability obviating environmental impact.</p></div>","PeriodicalId":100250,"journal":{"name":"Cleaner and Circular Bioeconomy","volume":"8 ","pages":"Article 100089"},"PeriodicalIF":0.0,"publicationDate":"2024-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772801324000174/pdfft?md5=0deed66d9ad81f46ce8b4323827066f2&pid=1-s2.0-S2772801324000174-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141037610","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}

{"title":"Understanding the best practices of cradle to cradle in furnishings, carpet, and textile industries–A case studies analysis and conceptual model","authors":"Yusuf A. Adenle ,&nbsp;Samana Haideri ,&nbsp;Inaam Sandouka","doi":"10.1016/j.clcb.2024.100088","DOIUrl":"https://doi.org/10.1016/j.clcb.2024.100088","url":null,"abstract":"<div><p>Cradle to Cradle (C2C) is a shift in the furnishing, carpet, and textile industries, aiming to minimize environmental impact through closed-loop production. This study explores the best practices for C2C implementation using deductive qualitative coding. Case studies of H&amp;M, Levi’<strong><em>®</em></strong>, DESSO, and Herman Miller reveal challenges such as high initial costs, limited C2C material availability, and scalability of closed-loop recycling. However, the study identifies C2C adoption best practices: prioritizing safe materials, research and development investment, closed-loop systems, stakeholder education, and supportive policies as keys to overcoming challenges and achieving circularity. Theoretically, the study connects C2C strategy with real-world critical industry sector implementation in furnishings, carpets, and textiles and identifies best practices and challenges for C2C success in these industries. Practically, the study offers actionable recommendations for manufacturing companies and policymakers to implement C2C principles, reducing their environmental footprint, gaining a competitive advantage, and contributing to a more sustainable future.</p></div>","PeriodicalId":100250,"journal":{"name":"Cleaner and Circular Bioeconomy","volume":"8 ","pages":"Article 100088"},"PeriodicalIF":0.0,"publicationDate":"2024-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772801324000162/pdfft?md5=6b1142b8e2c67cad72a08c5c768aa68c&pid=1-s2.0-S2772801324000162-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140879730","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}

{"title":"Stated purchase of bio-based products: Personal and regional factors in Germany","authors":"Sebastian J. Goerg ,&nbsp;Corinna Hempel ,&nbsp;Andreas Pondorfer","doi":"10.1016/j.clcb.2024.100087","DOIUrl":"https://doi.org/10.1016/j.clcb.2024.100087","url":null,"abstract":"<div><p>A successful transformation to an economy less dependent on fossil resources requires consumers’ willingness to buy bio-based products. Therefore, it is essential to understand which factors determine their preferences. Using a large-scale online survey representative of the German population at the sub-national level, this study investigates to what extent personal and regional macro-economic factors are associated with consumers’ mean stated purchase for various bio-based products. Results of the regression analysis reveal that personal factors, such as economic preferences, universal moral values, and individual factors related to climate change perception, climate policy support, and civic engagement to fight climate change, are statistically significantly associated with consumers’ stated bio-based purchases. The influence of regional characteristics (e.g., GDP, employment sectors, and climate change) is weaker and less consistent. The study draws a holistic picture of the factors that determine consumers’ preferences regarding the purchase of bio-based products. Additionally, the study contributes to theory, as it is the first one applying comprehensive measured economic preferences and moral foundations in the context of bio-based purchases. The findings imply the need for target-specific approaches to also reach those less engaged and unlikely to be convinced by general communication measures.</p></div>","PeriodicalId":100250,"journal":{"name":"Cleaner and Circular Bioeconomy","volume":"8 ","pages":"Article 100087"},"PeriodicalIF":0.0,"publicationDate":"2024-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772801324000150/pdfft?md5=bcfa8eb3d9f7f4db595fb99578842cbe&pid=1-s2.0-S2772801324000150-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140646221","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}

{"title":"Triple bottom line practices and the growth agro-processing enterprises in Uganda","authors":"Samuel Kabbera ,&nbsp;Anthony Tibaingana ,&nbsp;Yusuf Kiwala ,&nbsp;Jude Thaddeo Mugarura","doi":"10.1016/j.clcb.2024.100081","DOIUrl":"https://doi.org/10.1016/j.clcb.2024.100081","url":null,"abstract":"<div><p>The study examines how triple bottom line practices affect agro-processing small and medium enterprises (SMEs) in Uganda's Greater Kampala Metropolitan Area (GKMA). As most agro-processing SMEs in Uganda fail in their first year, growth remains a challenge. In this study, the growth of SMEs is examined through triple bottom line (TBL) practices. Business sustainability fields increasingly recognize the TBL. However, its use by SMEs in developing countries, particularly in agro-processing, is limited. This study offers two notable solutions to fill the research gap. The TBL concept consisting of the social, economic, and environmental sustainability pillars is utilized in a developing country context to address the agro-processing SME growth challenge, an area that has attracted less attention. Secondary, the study enhances theoretical understanding and practical TBL implementation with recommendations. Using a stratified random sampling, 367 respondents were selected. Data was collected using a self-administered questionnaire, analysed using Smart PLS. The findings show that the combined TBL practices significantly boost agro-processing SMEs' growth. The study developed a TBL-based model that agro-processing SMEs in Uganda can use to enliven their growth. We therefore recommend the integration of TBL model in agro-processing SMEs operations.</p></div>","PeriodicalId":100250,"journal":{"name":"Cleaner and Circular Bioeconomy","volume":"8 ","pages":"Article 100081"},"PeriodicalIF":0.0,"publicationDate":"2024-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772801324000101/pdfft?md5=df2197e5cb088af95f95686b22d9a452&pid=1-s2.0-S2772801324000101-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140622014","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}

{"title":"The application of aeration and ozonation for E. coli inactivation in dairy manure slurry","authors":"Prachi Pandey ,&nbsp;Yuxin Fu ,&nbsp;Justin Gardner-Garcia ,&nbsp;Julia Pan ,&nbsp;Jiang Huo ,&nbsp;Xunde Li ,&nbsp;Ruihong Zhang ,&nbsp;Pramod Pandey","doi":"10.1016/j.clcb.2024.100086","DOIUrl":"https://doi.org/10.1016/j.clcb.2024.100086","url":null,"abstract":"<div><p>Dairy industry is important for milk production and has substantial contribution to the California's economy. Dairy manure contains carbon, nitrogen and phosphorus, which are beneficial to soil, however, dairy farms also produce manure, which impacts environment negatively, and manure-borne pathogens poses risks to public and animal health. In this research, a lab scale experiment was designed and a series of experiments were conducted to determine the impact of ozone and air injection on <em>E. coli</em> inactivation in liquid manure. Liquid manure was exposed to ozone and air for multiple durations (0 min, 60 min, 120 min, and 240 min) and <em>E. coli</em> levels were determined. Further, manure samples were analyzed for pH, salt content, potassium (<em>K</em>⁺), sodium (Na⁺), nitrate (NO3⁻), calcium (Ca2⁺), and electrical conductivity (EC, mS/cm). Results showed that Ozonation can be an effective treatment method to reduce <em>E. coli</em> levels in liquid manure. Further nitrate ions were reduced substantially by Ozonation. The analysis of variance (one way and two way) revealed significance difference in <em>E. coli</em> and nitrate reductions in liquid slurry among ozone and air treatments (<em>p</em> &lt; 0.05). The study's results carry significance importance in terms of developing a simple field-scale method for reducing microbial and nutrient pollutions from dairy lagoon manure.</p></div>","PeriodicalId":100250,"journal":{"name":"Cleaner and Circular Bioeconomy","volume":"8 ","pages":"Article 100086"},"PeriodicalIF":0.0,"publicationDate":"2024-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772801324000149/pdfft?md5=b7057848cc68634a478f12195e6ed5bb&pid=1-s2.0-S2772801324000149-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140604500","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}

{"title":"Economic analysis of Eucalyptus biomass cultivation for energy in Argentina","authors":"Demián Olemberg ,&nbsp;Ana María Lupi","doi":"10.1016/j.clcb.2024.100085","DOIUrl":"https://doi.org/10.1016/j.clcb.2024.100085","url":null,"abstract":"<div><p>The objective of this study was to conduct an ex-ante evaluation of the viability of <em>Eucalyptus grandis</em> biomass plantations in northeastern Argentina, modeling the effects of changes in the economic context (relative prices) for the years 2010–2022. The developed model enables the estimation of the minimum viable price for forest biomass production and includes a sensitivity analysis. Moreover, it contributes to understanding the evolution of economic viability conditions, enabling anticipation of future scenarios. The results indicate that, for most of the time series analyzed and under average conditions for different scenarios, the model is not viable. This is because the minimum price set by biomass production and supply conditions exceeds the maximum price that the energy transformation stage can pay without incurring losses. Our methodology could assist in modelling future economic investment projects, and facilitate the incorporation of technical, economic and policy variants. The results establish a baseline on which future project evaluations could more explicitly incorporate environmental aspects and other externalities in decision-making from a societal standpoint.</p></div>","PeriodicalId":100250,"journal":{"name":"Cleaner and Circular Bioeconomy","volume":"8 ","pages":"Article 100085"},"PeriodicalIF":0.0,"publicationDate":"2024-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772801324000137/pdfft?md5=dc4c0d9049acd46f14c048e08cc5e2f2&pid=1-s2.0-S2772801324000137-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140543666","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}

{"title":"Evaluation of the environmental sustainability of agricultural production using the methodologies of emergy analysis and life cycle assessment. Case study, tomato grown in Mendoza (Argentina)","authors":"Roxana Piastrellini ,&nbsp;Gloria C. Rótolo ,&nbsp;Alejandro Pablo Arena ,&nbsp;Bárbara María Civit ,&nbsp;Silvia Curadelli","doi":"10.1016/j.clcb.2024.100082","DOIUrl":"https://doi.org/10.1016/j.clcb.2024.100082","url":null,"abstract":"<div><p>This article evaluates the environmental performance of tomato production in Mendoza (Argentina) using two methodologies that share the same approach and part of the inventory: i) Life Cycle Analysis, a method that considers all flows (incoming and outgoing) involved in the life cycle of a product, and ii) Emergetic Analysis, which represents the environmental support provided directly and indirectly by the biosphere to economic processes in the form of resources and ecosystem services. The combined application of these two tools helps to identify critical points in the production system and to generate proposals for improvement and innovation. In this case, the critical points identified are irrigation and fertilizers. Specifically for the environmental category Climate change, crop irrigation represents 51 % of the total impact, while seedling production represents 22 %. The emergy analysis, without accounting for direct and indirect human labor, shows a low contribution of local natural resources to the final product (0.12 %), as well as an environmental burden of 7.23 %. The results show that the local environmental dynamics are altered because tomato production is mostly driven by external inputs, mainly fertilizers (especially nitrogenous fertilizers) and energy.</p></div>","PeriodicalId":100250,"journal":{"name":"Cleaner and Circular Bioeconomy","volume":"8 ","pages":"Article 100082"},"PeriodicalIF":0.0,"publicationDate":"2024-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772801324000113/pdfft?md5=73ed96d88e57c57df95441e2e8f5f8ae&pid=1-s2.0-S2772801324000113-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140619174","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}