Cleaner and Circular Bioeconomy最新文献

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Investigating waste mineral-filled cellulose sourcing in circular economy for regeneration into composite: Matching existing market volumes of oil-based plastics for packaging 在循环经济中调查废弃矿物纤维素的来源,以便将其再生为复合材料:与现有包装用油基塑料的市场容量相匹配
Cleaner and Circular Bioeconomy Pub Date : 2024-05-17 DOI: 10.1016/j.clcb.2024.100089
Monireh Imani , Isabel María Vidal Carreras , Katarina Dimić-Mišić , Mirjana Kostić , Ernest Barceló , María Alicia Cardete García , Patrick Gane
{"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}
引用次数: 0
Understanding the best practices of cradle to cradle in furnishings, carpet, and textile industries–A case studies analysis and conceptual model 了解家具、地毯和纺织品行业 "从摇篮到摇篮 "的最佳实践--案例研究分析和概念模型
Cleaner and Circular Bioeconomy Pub Date : 2024-05-03 DOI: 10.1016/j.clcb.2024.100088
Yusuf A. Adenle , Samana Haideri , Inaam Sandouka
{"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}
引用次数: 0
Stated purchase of bio-based products: Personal and regional factors in Germany 声明购买生物基产品:德国的个人和地区因素
Cleaner and Circular Bioeconomy Pub Date : 2024-04-18 DOI: 10.1016/j.clcb.2024.100087
Sebastian J. Goerg , Corinna Hempel , Andreas Pondorfer
{"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}
引用次数: 0
Triple bottom line practices and the growth agro-processing enterprises in Uganda 三重底线实践与乌干达农产品加工企业的发展
Cleaner and Circular Bioeconomy Pub Date : 2024-04-16 DOI: 10.1016/j.clcb.2024.100081
Samuel Kabbera , Anthony Tibaingana , Yusuf Kiwala , Jude Thaddeo Mugarura
{"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}
引用次数: 0
The application of aeration and ozonation for E. coli inactivation in dairy manure slurry 应用曝气和臭氧灭活奶牛粪浆中的大肠杆菌
Cleaner and Circular Bioeconomy Pub Date : 2024-04-16 DOI: 10.1016/j.clcb.2024.100086
Prachi Pandey , Yuxin Fu , Justin Gardner-Garcia , Julia Pan , Jiang Huo , Xunde Li , Ruihong Zhang , Pramod Pandey
{"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><sup>+</sup>), sodium (Na<sup>+</sup>), nitrate (NO3<sup>−</sup>), calcium (Ca2<sup>+</sup>), 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}
引用次数: 0
Economic analysis of Eucalyptus biomass cultivation for energy in Argentina 阿根廷桉树生物质能源种植的经济分析
Cleaner and Circular Bioeconomy Pub Date : 2024-04-09 DOI: 10.1016/j.clcb.2024.100085
Demián Olemberg , Ana María Lupi
{"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}
引用次数: 0
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) 利用应急分析和生命周期评估方法评估农业生产的环境可持续性。案例研究:门多萨(阿根廷)种植的西红柿
Cleaner and Circular Bioeconomy Pub Date : 2024-04-09 DOI: 10.1016/j.clcb.2024.100082
Roxana Piastrellini , Gloria C. Rótolo , Alejandro Pablo Arena , Bárbara María Civit , Silvia Curadelli
{"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}
引用次数: 0
Environmental Impacts Assessment in Packaging and Its Contribution to Reducing Food Waste 包装中的环境影响评估及其对减少食物浪费的贡献
Cleaner and Circular Bioeconomy Pub Date : 2024-04-09 DOI: 10.1016/j.clcb.2024.100083
Cassiano L. Paiva, Cassia M.L. Ugaya
{"title":"Environmental Impacts Assessment in Packaging and Its Contribution to Reducing Food Waste","authors":"Cassiano L. Paiva,&nbsp;Cassia M.L. Ugaya","doi":"10.1016/j.clcb.2024.100083","DOIUrl":"https://doi.org/10.1016/j.clcb.2024.100083","url":null,"abstract":"<div><p>In the modern world, food consumption is not limited to areas near production centers. In this complex distribution chain, packaging plays a crucial role, extending shelf life and protecting products from contaminants or mechanical damage, contributing to reducing food waste during transportation, retail, and inside our homes. On the other hand, packaging is responsible for environmental impacts that are perceived as very harmful to environment by consumers. However, is it possible to demonstrate that packaging, in certain products and operating conditions, can be beneficial to environment? The goal of this article is to investigate the potential environmental performance of food products sold with or without packaging. To identify the potential food waste reduction through the use of packaging, three interviews were conducted with supermarket owners in Curitiba - Brazil. The interviews have revealed that the use of packaging can result in a food waste reduction of up to 20%, because it prevents excessive products handling and allows for sale of damaged product parts. The products identified as critical and selected for this study were broccoli, grapes, and papaya, for which a Life Cycle Assessment (LCA) was conducted to compare potential impacts of samples of products exposed with and without packaging and to simulate the food waste reduction rate at which the use of packaging could be favorable in each impact category. The functional unit considered was 1 kg of food product for human consumption. The product system embraced a cradle-to-grave approach, covering food and packaging production, retail, and final disposal of both food and packaging. Calculations were performed using the Ecoinvent 3.8v database, the EPD (2018) method, and potential impacts were determined through OpenLCA. Results indicated that, in the case of excessive handling, packaged broccoli and grapes had lower impacts in seven of eight evaluated categories. The use of packaged cut papaya had lower impacts in all eight categories, with restrictions regarding the amount of packaging used in the process. The study concludes that the evaluation of the use of packaging should consider the reduction of product waste generated by them. The main contribution of this study, therefore, is to emphasize the importance of evaluate all impacts related to a product, not just those that are easily known, such as the generation of solid waste in packaged products.</p></div>","PeriodicalId":100250,"journal":{"name":"Cleaner and Circular Bioeconomy","volume":"8 ","pages":"Article 100083"},"PeriodicalIF":0.0,"publicationDate":"2024-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772801324000125/pdfft?md5=3f8f18bc0299a481fd0bd7d83337be6d&pid=1-s2.0-S2772801324000125-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140622015","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
Life cycle assessment of single cell protein production–A review of current technologies and emerging challenges 单细胞蛋白质生产的生命周期评估--对现有技术和新挑战的回顾
Cleaner and Circular Bioeconomy Pub Date : 2024-03-13 DOI: 10.1016/j.clcb.2024.100079
Laura Fernández-López , Pablo González-García , Ana Fernández-Ríos , Rubén Aldaco , Jara Laso , Eva Martínez-Ibáñez , David Gutiérrez-Fernández , Marta M. Pérez-Martínez , Virginia Marchisio , Mónica Figueroa , David Baptista de Sousa , Diego Méndez , María Margallo
{"title":"Life cycle assessment of single cell protein production–A review of current technologies and emerging challenges","authors":"Laura Fernández-López ,&nbsp;Pablo González-García ,&nbsp;Ana Fernández-Ríos ,&nbsp;Rubén Aldaco ,&nbsp;Jara Laso ,&nbsp;Eva Martínez-Ibáñez ,&nbsp;David Gutiérrez-Fernández ,&nbsp;Marta M. Pérez-Martínez ,&nbsp;Virginia Marchisio ,&nbsp;Mónica Figueroa ,&nbsp;David Baptista de Sousa ,&nbsp;Diego Méndez ,&nbsp;María Margallo","doi":"10.1016/j.clcb.2024.100079","DOIUrl":"https://doi.org/10.1016/j.clcb.2024.100079","url":null,"abstract":"<div><p>Population growth trend will have a significant impact on the availability of food resources, leading to a surge in the development of various protein concentrates, including Single Cell Protein (SCP), which is derived from the biomass of unicellular organisms. The objective of this review is to analyze the application of Life Cycle Assessment (LCA) on SCP production, assessing the influence of the technologies on environmental outcomes and the challenges linked to LCA methodological choices. The articles included in the review were classified according to their LCA goal, distinguishing between those focused on the production of SCP for consumption, for feed valorization, for wastewater treatment and for conventional foods substitution in meals. Generally, most systems comprised three stages: feedstock production and pre-treatment, fermentation, and post-treatment, and in some cases, integration of SCP into the final product. The analysis revealed that the type of substrate has a great influence on the environmental profile of the product, as well as its pre-treatment. Electricity was also identified as the main hotspot in virtually all systems, being the most studied parameter in sensitivity analyses. Regarding the definition of LCA parameters, a lack of consensus on the description of system boundaries in the use of organic waste as substrate for SCP production is notable, leading to confusion about the actual associated impacts. Likewise, the study of the environmental performance of SCP based on its amino acid content and nutritional quality is one of the main challenges that would contribute to better evaluating its environmental behavior compared to other types of protein of vegetal and animal origin.</p></div>","PeriodicalId":100250,"journal":{"name":"Cleaner and Circular Bioeconomy","volume":"8 ","pages":"Article 100079"},"PeriodicalIF":0.0,"publicationDate":"2024-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2772801324000083/pdfft?md5=93c69f621dfc9002ba1c7d7e08410f2b&pid=1-s2.0-S2772801324000083-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140186951","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
Optimizing media and substrate for efficient anaerobic biological ammonia synthesis: A response surface methodology approach 为高效厌氧生物氨合成优化培养基和底物:响应面方法学
Cleaner and Circular Bioeconomy Pub Date : 2024-03-08 DOI: 10.1016/j.clcb.2024.100077
Ibrahim Bello , Adewale Adeniyi , Niloy Chandra Sarker , Ewumbua Monono , Ademola Hammed
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