Decentralized Valorization of Residual Flows as an Alternative to the Traditional Urban Waste Management System: The Case of Peñalolén in Santiago de Chile

Kraker, Jeltsje de; Kujawa-Roeleveld, Katarzyna; Villena, Marcelo; Pabón-Pereira, Claudia

doi:10.3390/su11226206

Cited by 16 publications

(10 citation statements)

References 48 publications

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“…Therefore, regardless of certain hazards related to the emission of GHG (or other substances) during the process of microbial degradation of the waste [13], one should bear in mind the direct benefits related to energy savings (reduction in transportation), as indicated by many researchers [19,60,[62][63][64]. Our analyses indicate that the dissemination of home composting may be a valuable alternative to centralized systems, which was also pointed out in the studies of other authors [62,107,108].…”

Section: Discussionsupporting

confidence: 76%

Home Bio-Waste Composting for the Circular Economy

et al. 2021

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The consequence of the current economic development model is the generation of large amounts of waste and energy losses. One way to change this negative trend is a more rational use of raw materials reducing the amount of generated wastes. Biowaste, which may be divided into garden and kitchen waste, constitutes the main part of municipal waste. At the household level, it can be managed through composting—the most sustainable way of biowaste management. In this context, this paper aims to assess the economic and environmental effects of implementing the home composting incentive program introduced by one of the municipalities near Warsaw (Poland). The study is based on the estimation of the amount of biowaste generated in the commune, as well as on the number of households with the potential to compost biowastes. The effects of implementing the composting program were evaluated at different participation levels. The cartographic-based methods (GIS) were used in the analyses. Additionally, willingness to accept home composting by residents and its main determinants were examined. The results of the study indicate that the changes in the current household biodegradable waste management model are practicable and generate positive economic and environmental effects. However, the promotion of home composting requires active support from the local authorities, both in the financial dimension and by increasing residents’ environmental awareness.

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Section: Discussionsupporting

confidence: 76%

Home Bio-Waste Composting for the Circular Economy

et al. 2021

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“…Considering the limitations of centralized waste treatment facilities originating from diverting food waste and increased costs for collecting and transporting waste in long distances, some of municipal composting programs may not be fully successful. In addition, high operational costs and operational complexity are other factors that should be taken into consideration for centralized systems [39,51,52]. At this point, alternative strategies must be identified and developed, such as decentralized collection and treatment.…”

Section: General Overviewmentioning

confidence: 99%

Decentralized Community Composting: Past, Present and Future Aspects of Italy

et al. 2020

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Italy is among the top biowaste-generating countries in Europe, and has a well-structured waste management framework with quite a number of centralized composting facilities. In recent years, there has also been huge interest from local communities in decentralized composting. Although decentralized community composting is common in some countries, there is still a lack of information on the operative environment together with its potential logistical, environmental, economic, and social impacts. Considering the national Italian legislation on community composting as well as successfully implemented projects at EU level, Italy can set a model especially for Mediterranean countries that intend to build decentralized composting programs. Therefore, in the context of this review paper, a brief overview of the composting process was presented together with main applications in centralized and especially in decentralized composting, while the main focus was kept on the operative and legislative information gathered from Italian community composting. There is a huge difference in the number of composting plants between the regions, and the lack of centralized facilities in the central and southern regions can be supported by decentralized solutions. Decentralizing waste treatment facilities and thus creating local solutions to urban waste management strategies will help to achieve the resource recovery and valorization targets in line with the circular economy.

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“…For example, environmental layers are added to study the impact of strategies in municipal or electronic waste management systems on an urban and regional level using integrated MFA–LCA models (De Meester et al., 2019; Thushari et al., 2020; Turner et al., 2016). Similarly, economic layers based on CBA or other cost methods are used to study the economic performance such as material improvements in urban waste management (de Kraker et al., 2019; Villarroel Walker et al., 2017) or both environmental and economic performance through MFA–LCA–CBA integration (Rochat et al., 2013). MFCA in combination with LCA could also be applied on the regional level, as illustrated by Shibata and Matsumoto (2008) on the assessment of different recycling scenarios for organic household waste in a Japanese region.…”

Section: Integrated Mfa In Different Decision‐making Contextsmentioning

confidence: 99%

Quo vadisMFA? Integrated material flow analysis to support material efficiency

Baars

Rajaeifar

Heidrich

2022

J of Industrial Ecology

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Material efficiency (ME) strategies are pursued by governments and companies to reduce environmental emissions, improve supply chain resilience, and enhance cost competitiveness. Material flow analysis (MFA) methods are useful to quantify raw material stocks and flows and assess the potential impacts of ME strategies. Although the popularity of MFA methods is increasing, there are methodological limitations that hinder its use as a decision support tool for prospective assessments. To overcome some of these, MFA is increasingly integrated with other methods from different research fields. This paper categorizes integrated MFA methods by identifying and explaining the methods and their applications. A semi-structured literature review screened a wide range of methods integrated with MFA prospective analysis and evaluated their applications from 158 studies. This showed that integrated MFA can be used to: (1) include economic, social, and environmental layers; (2) improve the technical foundation of MFA by including entropy and exergy analyses and process engineering methods; (3) include economic mechanisms and link the economic system to the material system; and (4) improve the representation of materials in existing methods and models. Our research demonstrates that integrated MFA should be a central method in planning and designing ME strategies for companies and governments. This paper provides an important knowledge base of integrated MFA methods and creates a discussion point on MFA, where the research field is currently at or indeed where it could be heading in the future, that is, "Quo Vadis" MFA.

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Decentralized Valorization of Residual Flows as an Alternative to the Traditional Urban Waste Management System: The Case of Peñalolén in Santiago de Chile

Cited by 16 publications

References 48 publications

Home Bio-Waste Composting for the Circular Economy

Home Bio-Waste Composting for the Circular Economy

Decentralized Community Composting: Past, Present and Future Aspects of Italy

Quo vadisMFA? Integrated material flow analysis to support material efficiency

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