Implementation Of Circular Economy Research Articles

Comparisons of stakeholders' influences, inter-relationships, and obstacles for circular economy implementation on existing building sectors

Buildings are energy- and resource-hungry: their construction and use account for around 39% of global carbon dioxide emissions; they consume around 40% of all the energy produced; they are responsible for over 35% of the EU's total waste generation; and account for about 50% of all extracted (fossil) materials. Therefore, they present a significant challenge to meeting national and international Net Zero targets of reducing greenhouse emissions and fossil resource use. The CircularB Project, is at the heart of this issue, which will underpin synergies of multi-scale circular perspectives (from materials, to components, to assets and built environments), digital transformation solutions, data-driven and complexity science, stakeholder behavioral science, and interdisciplinary capabilities towards achievable, affordable and marketable circular solutions for both new and existing buildings, for sustainable urban design, and for circular built environments across Europe. This paper contributes to the project by deriving new insights into the stakeholders’ influences, inter-relationships, and obstacles in the implementation of circular economy concepts on existing building stocks in Europe, which represent over 90% of whole building assets. In order to identify and derive the insights, our study is rigorously based on (i) a robust critical literature review of key documentations such as articles, standards, policy reports, strategic roadmaps and white papers; and (ii) interviews with relevant stakeholders and decision makers. Uniquely, our work spans across all scales of CE implementation from materials, to products and components, to existing building stocks, and to living built environments. The findings point out the current challenges and obstacles required to be tackled. Inadequacies of financial incentives and governmental enforcement (via policy, legislation, or directive) are commonly found to be the most critical obstacles found throughout Europe. Circular economy is the global challenge and not just a single country can resolve the climate issue without the cooperation of other countries. The insights thus highlight the essential need for harmonized actions and tactical/pragmatic policies promoted and regulated by the European Commission, national and local governments who can dominate the influence, promote inter-relationship, and overcome the barriers towards circular economy much more effectively.

Are digital servitization-based Circular Economy business models sustainable? A systemic what-if simulation model

Manufacturing companies are struggling with the implementation of Circular Economy, especially due to the uncertainty regarding its potential sustainability benefits. In particular, and despite digital servitization is advocated by several studies as a way to achieve environmental gains, circular business models based on digital servitization are not always sustainable due to burden shifting and unexpected consequences which are difficult to assess before implementation. This is particularly relevant for the Electrical and Electronics Equipment industry, which suffers structural weaknesses such as the dependance on critical raw materials and an increasing waste generation. However, literature lacks models and tools able to address the complexity inherent in the systemic micro-macro perspective envisioned by Circular Economy, while studies that quantitatively assess the sustainability impacts and trade-offs of digital servitization-based circular scenarios are limited. This article aims to develop a better understanding of how the sustainability impacts of circular and servitized scenarios can be assessed and quantified at the economic, environmental, and social level, adopting a systemic perspective through the development of a what-if simulation model. The model is implemented in a spreadsheet tool and applied to a digital servitization-based Circular Economy scenario inspired by the case of a company offering long-lasting, high-efficient washing machines as-a-service. Results show that digital servitization can actually lead to a win-win-win situation with net positive effects to the environment, the society, and the economy. This result is based on the joint application of product design for digitalization and life extension, pay-per-use business models, and product reuse. These results are robust within a significant range of key parameters values. Practitioners and policymakers may use the model to support the evaluation of different circular and servitized scenarios before implementation.

Relationship between recycling, circular economy and eco‐innovation in Europe. Application of a dynamic network data envelopment analysis model

AbstractMonitoring of European‐level circular economy (CE) efficiency requires more research than does currently exists in the body of literature on CE. In this regard, this research aims to answer two research questions. Firstly, to be efficient in the implementation of CE at a macroeconomic level, should there be a relationship between the efficiency of the three phases of CE (efficiency in recycling, efficiency in the implementation of CE and efficiency of eco‐innovation)? To answer this question, we use decoupling theory. Secondly, are the three phases of CE related from the point of view of dynamic efficiency? To answer this question, we use dynamic efficiency theory.In accordance with both of these theories, we establish a circular relationship between recycling, CE and eco‐innovation. We test this circular relationship through the application of the dynamic network data envelopment analysis (DNDEA) model of Tone and Tsutsui. The analysis is based on Eurostat data for the period of 2016 to 2022 for 27 European countries.This work contributes to the advancement of the research via (1) the development of a model for measuring the transversal and longitudinal efficiency of the CE and (2) the findings of positive and significant relationships between the efficiency ratios of the three fundamental phases (recycling, CE and eco‐innovation). This leads us to affirm that the countries studied that have managed to be efficient in recycling have also been in the implementation phase of CE and eco‐innovation.

Design and collaboration strategies for circular economy implementation across the value chain

Design and collaboration strategies for circular economy implementation across the value chain

Examining the Challenges for Circular Economy Implementation in Construction and Demolition Waste Management: A Comprehensive Review Using Systematic Methods

The construction industry accounts for approximately one-third of the total waste generation globally. With the United Nations projecting a population increase of 2 billion within the next three decades, there is a heightened demand for building stock, generating unprecedented volumes of construction and demolition waste (CDW). To combat this, circular economy strategies are purported to help alleviate the prevailing situation. But a number of challenges are jeopardizing their implementation in the construction industry and preventing from achieving the UN Sustainable Development Goals, net zero carbon and zero avoidable waste targets. This paper systematically analyzes 54 research articles, published in the past decade within major peer-reviewed English-language scholarly publications in the form of a systematic research review. In doing so, it aims to identify and classify the challenges that prevent improved CDW management by assimilating previous research results in support of a circular economy. The classification and analysis using a PESTLE model offers insights into gaps and differences between categories, as well as regions and countries. This initial step could contribute to a better understanding of these barriers, along with associated solutions, which could result in a significant reduction on the impact of construction activities, therefore facilitating the development of an effective circular economy in the sector.

Modification of discarded polypropylene mask and its utilization as crude oil flow improver

AbstractA method was investigated for the treatment and utilization of large quantities of polypropylene (PP)‐based wastes, such as discarded masks, generated by the COVID‐19 pandemic. A novel crude oil flow improver (named as MPP) was synthesized by modifying waste PP masks with maleic anhydride. The structure and properties of PP and MPP were characterized using Fourier transform infrared and differential scanning calorimetry (DSC). The optimal reaction ratio was determined to be npolypropylene:nmaleic anhydride = 1:2 and nBPO = 0.2%. When the concentration of MPP is 500 ppm, the viscosity of the YL crude oil samples is reduced by 92.48%, and the pour point is reduced by 4.2°C. In addition, MPP2 can significantly reduce the viscosity of CQ oil sample by 87.62%. The mechanism of MPP was investigated by DSC and polarized light microscopy (PLM) analysis of YL oil samples before and after the addition of MPP2. Finally, the total cost of this new crude oil flow improver is estimated and its market feasibility is analyzed. The study not only realizes resource utilization but also achieves the cycle of returning oil from oil to oil, which contributes to the implementation of resource circular economy and is of positive significance in promoting the petrochemical industry.

Organisational transformation toward circular economy in SMEs. The effect of internal barriers

This study investigates the dynamic process of circular economy (CE) implementation in small and medium enterprises (SMEs). We draw on an integrated theoretical framework that combines environmental literature and strategic orientation to explore the interplay between barriers, organisational transformation, and different stages of CE integration. Through a comprehensive empirical analysis, based on an EU database of 16,365 SMEs, we confirm the presence of feasibility barriers and resource related barriers that affect the CE implementation process. Our findings reveal a twofold pattern: initial feasibility barriers, primarily perceived by senior managers, and subsequent resource-related barriers that SMEs encounter during implementation. Moreover, our findings reveal that successful organisational transformation pivots on the SME's capacity to transform these barriers from deterrents into challenges to be overcome. We highlight the significance of a gradual integration approach, emphasizing the role of diverse environmental activities.

Sustainability in small and medium enterprises: A circular economy approach using cloud computing

AbstractSustainable production and consumption are the need of the hour. Adopting the Circular Economy (CE) approach fosters sustainable business practices. Cloud computing is a new way of storage and application deployment. Cloud computing enables sustainable business processes, which in turn contributes towards the effective implementation of the Circular Approach to Business Practices (CABP). The current study aims to understand the potential of cloud computing to foster circular economy practices in Small and Medium Enterprises (SMEs). We conducted a Systematic review of 186 scholarly articles published in Web of Science (WOS), selected using the PRISMA framework. We conducted scientometric analysis on sources, authors and country level and thematic analysis to pinpoint further research areas. This was followed by a detailed literature review of the articles selected to study the concept and current practices of circular economy and an evaluation of its implementation in emerging economies. The paper proposes an integrated framework grounded in two approaches, that is, the Technology, Organization and Environment (TOE) framework and institutional isomorphism as determinants of cloud adoption and CE implementation. The proposed model explores the impact of institutional forces on the various parameters of TOE, thereby culminating in the adoption of Cloud Computing in SMEs. The study would encourage leaders and managers of SMEs to adopt cloud computing for competitive advantage and achieve a circular economy approach together. The adoption of cloud‐based applications has a great potential to foster industrial and economic progress with minimum damage to the ecosystem, furthering sustainability and achieving Sustainable Development Goals (SDGs).

Systematic Mapping of Circular Economy in Structural Engineering

Facing increasing sustainability demands, the construction industry is at a turning point where the implementation of circular economy (CE) strategies plays an essential role in driving the necessary transformation aimed at reducing the environmental impact. To facilitate this shift, structural engineering must effectively integrate circular principles into building design. With the exponential growth of research articles within this field, it is crucial to map the evolution of the research area. The objective of this study is to detail the trends with, challenges to, and research contributions, integration, and material applications of CE principles within structural engineering. Consequently, a systematic mapping of the CE within the field of structural engineering has been conducted in this study. Initially, the mapping process began with the identification of relevant keywords, followed by searches across four databases. Each resulting article was carefully screened against content criteria, culminating in 91 publications that were thoroughly evaluated. The publications were then categorized and analyzed based on attributes such as research type, circular design, materials, and applications. The results are presented through informative figures and tables. The analysis of the research indicates a predominant focus on technical solutions for structural systems, with demountable connections designed to facilitate the future reuse of materials representing more than half of the literature reviewed. A significant portion of the literature also addresses designing from reclaimed elements; these articles reflect a transformation in engineering approaches, incorporating computational design and innovative methodologies. The focus on steel as a structural material is prominent in the reviewed literature. However, there is an increasing focus on timber, which signals a definitive shift toward sustainable structural systems. Recurring challenges identified in the literature regarding the transition to a circular economy (CE) in the construction industry include the need for industry-wide adoption, precise standardization, the integration of digital tools, and the overcoming of related obstacles in policy and market acceptances. Furthermore, the literature demonstrates a significant research gap: the absence of a comprehensive digital framework enabling an effective digital circular structural design workflow.

Relations between supply chain performance and circular economy implementation: A fuzzy cognitive map‐based analysis for sustainable development

Relations between supply chain performance and circular economy implementation: A fuzzy cognitive map‐based analysis for sustainable development

Unpacking pathways to a circular economy: A study of packaging innovations in Germany

Industry actors are taking a leading role in the design and implementation of a sustainable circular economy for packaging in Germany. However, while the goal is clear the pathway towards this goal remains contested. Using narrative analysis, this study answers the following research question: “What are the transition pathways towards s circular economy for packaging proposed by German industry actors and how transformative is their directionality?”. To do so, the study presents a comprehensive overview of the packaging innovations currently being developed in the German packaging industry as well as an analysis of the transition pathway narratives underpinning these innovations. Additionally, the study offers a discussion of the overlaps, tensions, shortcomings, and potential of these pathways for a sustainable circular economy. The study highlights that packaging industry actors use various forms of discursive legitimacy to enhance their agency and envisioned pathway, however, fail to engage with the variety of alternative visions among them. Additionally, packaging industry actors engage insufficiently with the deep and disruptive changes necessary to achieve a sustainable circular economy. Consequently, new governance arrangements are necessary to make the transition happen.

Barriers to Adopting Digital Technologies to Implement Circular Economy Practices in the Construction Industry: A Systematic Literature Review

The construction industry is a resource- and energy-intensive sector, and, thus, it has been criticised due to rising environmental concerns. As a result, it has gained heightened interest in the concept of the circular economy (CE) over the last decade due to its ability to promote the slowing, reducing, and closing production and consumption cycles of materials and products used in construction projects. Current research studies suggest that digital technologies may enhance the construction industry’s ability to integrate the concept of CE into its practices. However, a clear understanding of digital technology (DT)-related barriers that hinder practical implementation of CE appears to be lacking within the sector. Thus, this study aims to identify the barriers to adopting DTs to implement CE practices in the construction industry. A systematic literature review was conducted by reviewing twenty-eight (28) relevant papers published until March 2024 in the Scopus and Web of Science databases. The VOS viewer software (version 1.6.11) was used to perform a co-occurrence analysis of keywords to identify new and popular study areas in the field. The content analysis was used to analyse the significant barriers to adapting DTs to implement CE in the construction industry; frequency and Pareto analyses were used to determine the most critical obstacles. This study identified thirty-seven (37) barriers to using DTs to implement CE, categorised into nine areas: organisational, infrastructure, regulatory, standardisation, investment, nature of the construction industry, technological, stakeholder, and data-related barriers. Of these thirty-seven barriers, nineteen were identified as critical barriers based on Pareto analysis. These findings will benefit construction practitioners and policymakers who want to adopt DTs to integrate CE practices in the construction industry.

Managing Marble Quarry Waste: Opportunities and Challenges for Circular Economy Implementation

Marble has been a prominent natural stone exploited since ancient times, commonly employed as a building material and ornamental stone. However, the disposal of waste generated from marble extraction, particularly fine sludge, poses significant environmental challenges for the dimensional stone industry. The difficulty in managing and recovering these materials, exacerbated by local regulations and the absence of suitable recovery protocols, often leads to landfilling. This issue is exemplified by the Carrara Marble Basin in the Apuan Alps (Tuscany, Italy), where more than half of the extracted marble remains as quarry waste or debris. Modern cutting technologies have intensified the production of finer materials and sawing residue, known as “marmettola”, ranging in size from fine sand to silt. The disposal of these materials, commonly through landfilling or abandonment, has profound environmental repercussions. This research primarily aimed to carry out a preliminary physical, mineralogical, and morphological characterization of the fine waste and sludges generated from Carrara Marble exploitation. The findings reveal the high granulometric uniformity of the materials, and a nearly pure carbonate composition, suggesting potential for reuse in various industrial sectors such as paper, plastics, and pharmaceuticals production.

Circular economy orientation from corporate social responsibility: A view based on structural equation modeling and a fuzzy‐set qualitative comparative analysis

AbstractSeeking sustainable development, companies voluntarily implement Corporate Social Responsibility (CSR) through the Triple Bottom Line (TBL) approach, considering economic, social and environmental aspects of interest to global society. Searching for sustainable development, the Circular Economy (CE) emerged as a new philosophy of life to meet the new challenges in society. This research links CSR and CE but considering jointly the Institutional and Stakeholder Theories to delimit the sustainable development framework from the EC approach driven by CSR. According to this framework, it was tested whether the CSR practices of companies positively and significantly impacts on a business orientation towards CE, through two models (Model A and Model B) each of them analyzed with two independent samples of companies in Spain. Both samples are composed of Small and Medium Enterprises (SMEs) at two different stages of CSR adoption. The hypotheses were analyzed through a structural equation modeling‐fuzzy‐set qualitative comparative analysis (SEM‐fsQCA). The result of the SEM supports the hypothesis in both models. So, CSR practices are driving companies towards CE, incorporating propositions on stakeholders' value creation. Moreover, an fsQCA revealed combinations of relationships that ensure the consistency of obtained results, generating five configurations based on two models defined. Main contribution of this work is CSR practices of companies and their orientation towards CE can be linked. This encourages to deep in analysis about the relations between CE and CSR, and of the specific CSR practices that should be enhanced for their beneficial effect on the implementation of CE.

Circular Economy Implementation: A Case Study in Indonesia

Circular economy has become a trend as an approach in many countries to achieve sustainability. Indonesia as one of the most populous countries also implement Circular Economy for environmental purpose. The number of research publication has been increasing for the past several years in Indonesia, however review of such publication from the perspective of SLR (Systematic Literature Review) has been lacking. This research will identify and illustrate how far the circular economy implementation has been done in Indonesia. This research applies systematic literature review, mapping analysis, and bibliometric analysis to answer the gap. The database in this research based on Scopus Indexed publication from 31.453 publication, in which this research successfully extracted 35 publications. The key findings in this research were Circular Economy implementation in Indonesia mainly on Agriculture and Household sector within Java Island by using reduce, reuse, recycle strategy dominantly. The bibliometric analysis shown that there is strong relationship between circular economy implementation and waste management that gave impact on sustainability. This research reveals the research gap for circular economy by geographical, strategy, and topics as potential future research. This research carries some weight to support Indonesia future implementation on Circular Economy.

Examining the impact of circular economy disclosure on the cost of debt: A signaling theory approach via social media

AbstractThe growing societal focus on addressing environmental and social issues has spurred a shift towards circular production and consumption models. In this scenario, the implementation of circular economy (CE) practices has attracted the attention of scholars, professionals and institutions. The relevance of the CE has shed light on the importance of communicating efforts and achievements in relation to the implementation of circular models. Therefore, from an academic point of view, several scholars have started to explore some aspects related to CE disclosure (CED). Despite this, a relatively unexplored trend pertains to the effects of the CED, especially regarding the use of social media to disseminate information. In order to fill the gap, this study aims to investigate the effect of the dissemination of CE information via Twitter on the cost of debt. To this end, a dictionary‐based content analysis is employed to quantify the amount of CE information disseminated via Twitter. Additionally, a panel regression analysis is conducted to test the impact of the CED on the cost of debt across a sample of 378 observations (an unbalanced panel of 132 firms for the period 2019–2021). The results indicate the presence of a negative relationship between the level of the CED and the cost of debt.

Supporting circular economy innovation: An analysis of a circular economy intervention in Wales.

The Intergovernmental Panel on Climate Change (IPCC) recently advised that “climate change is a grave and mounting threat to our wellbeing and a healthy planet” (2023, p.6). This threat underlines the importance of developing businesses innovation capabilities and implementing Circular Economy (CE) principles. Organisations that have developed innovation capabilities are most likely to implement CE principles within their organisations. However, the UK has suffered a ‘long tail of productivity’ largely due to the UK’s relatively low levels of innovation across the firm population. In Wales, the location of this study, output per hour worked was almost 16% below the UK average in 2021, suggesting that the levels of innovation capability might hinder CE implementation. Therefore, evidence on programmes that support organisations to develop their innovation capabilities and their CE understanding should be of interest to policymakers, academics, and practitioners. This paper presents data collected from a university designed CE innovation programme, the Cardiff Circular Economy Network, and suggests that the novel approach adopted enhanced the innovation capabilities and CE knowledge of participants.

Modelling the relationship between circular economy barriers and drivers for sustainable construction industry

Circular economy (CE) is an emerging concept in the construction industry that focuses on maintaining materials in a continuous cycle to maximize their value. Although previous studies have explored CE in different contexts, there is a lack of studies investigating the relationship between CE barriers and drivers in developing countries. To address this gap, this study aims to identify a list of barriers and drivers of CE adoption and investigate their relationship. The literature review classifies 21 barriers into four constructs, including market policy and technology-related, legal and institutional, supply chain-related, and product design and waste management barriers. Through a questionnaire-based survey with respondents mainly from the Ghanaian construction industry, the research uncovers the most critical barriers within each construct and identifies 13 out of 16 drivers to be critical for CE implementation. The relationship between CE barriers and drivers is found to be significant and substantial, as demonstrated by the path coefficient (β = 0.723) and the p-value (<0.05). This study's outcomes offer both theoretical and practical implications for academic and industry practitioners, empowering them to craft evidence-based strategies that facilitate successful CE adoption in developing nations.

The concept of circular water value and its role in the design and implementation of circular desalination projects. The case of coal mines in Poland

Circular economy has become a popular subject, attracting attention from academics, practitioners, and policy-makers alike. However, despite the excitement surrounding it, the concept of circular economy has been criticized for being vague and having multiple interpretations from different fields. As a result, there is a lack of evidence and guidance for practitioners, making it difficult to put into practice. Our goal is to fill this gap by bridging the design and implementation of circular economy solutions in the water sector. Through an exploratory study of two case studies, we have shown the significance of what we call as “circular water value” in the context of coal mining. This value is strongly influenced by the chemistry, concentration levels and purity of these effluents. We compared the circular value of the two cases (ranging from 2.5 to 6 euros per cubic meter) to the cost of the novel treatment system, developed by the authors through the EU-funded project ZERO BRINE, to capture this value. This allowed us to evaluate the potential for circular economy implementation. We suggest that this circular transition can offer significant opportunities to coal mining regions in enabling a just transition implementation. This is a topic that is increasingly gaining interest among academic and practitioner communities, further triggered by the recently adopted Just Transition Mechanism. This mechanism secures targeted support of 55 billion euro for the period 2021–2027 for the most affected regions within Europe. The concept of “circular water value” introduced in this article can serve as a tool for exploring the creation of emerging circular value chains from coal mines, as well as for other wastewater treatment and resource recovery projects in general.

Circular Economy Approaches in the Palm Oil Industry: Enhancing Profitability through Waste Reduction and Product Diversification

Today, facing difficult environmental and sustainability questions, the palm oil industry is an important force in global trade and development. As a transformative solution to these problems, this review assesses the implementation of circular economy (CE) strategies. CE principles promote the transformation of waste into value through recycling, upcycling and other low-carbon innovation applications. This review estimates the capability of palm-based biomass, including palm oil mill effluent (POME) and refinery wastes. It evaluates how different technologies such as gasification are used to change these fuel sources into energy fuels and value-added products for industry. It also involves incorporating Industry 4.0 to boost efficiency and waste value creation into the operation. Although the potential of CE in creating an eco-friendly, profitable palm oil industry is apparent, nevertheless it must overcome all kinds and levels of barriers – from economic to technological to social. This review points out for collaborative efforts, technological advancement, and supportive policies to navigate these challenges, advocating for a unified shift towards sustainability and efficiency in the palm oil sector.