Community-scale composting for food waste: A life-cycle assessment-supported case study

Keng, Zi Xiang; Chong, Siewhui; Ng, Chee Guan; Ridzuan, Nur Izzati; Hanson, Svenja; Pan, Guan‐Ting; Lau, Phei Li; Supramaniam, Christina Vimala; Singh, Ajit; Chin, Chiew Foan; Lam, Hon Loong

doi:10.1016/j.jclepro.2020.121220

Cited by 105 publications

(38 citation statements)

References 34 publications

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“…However, other impact divisions and costs are affected (Brenes-Peralta et al 2020). In the same vein, Keng et al performed a life cycle estimate advanced case study at the University of Nottingham Malaysia about composting food waste (Keng et al 2020). The schematic diagram of this work is illustrated in Fig.…”

Section: University Wastesmentioning

confidence: 98%

“…Additionally, Fig. 5 explains that the main recycling process (taking into account the most optimal states) consists of 4 main steps (Keng et al 2020).…”

Section: University Wastesmentioning

confidence: 99%

“…On the other hand, they realized that the lowest impact scores in the two parts of landfilling and composting were for the ozone depletion option, with 0.14 and 0.18, respectively. Therefore, the prepared compost is in accordance with the Malaysian organic fertilizer standard, so it exhibited the feasibility of this low-cost technology (Keng et al 2020).…”

Section: University Wastesmentioning

confidence: 99%

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Sustainability and Circular Economy of Food Wastes: Waste Reduction Strategies, Higher Recycling Methods, and Improved Valorization

et al. 2021

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In this review, the issue of food recycling was comprehensively studied from the perspective of recent research. Firstly, the concept of circular economy and its application in reducing waste production and the strategies for waste reduction (waste prevention) were discussed. The concept suggests that we can produce less waste from the beginning to reduce costs for recycling, instead of generating much waste for recycling through specific approaches. Secondly, the results of several investigations on the recycling of various food wastes, which have been less considered important parts of waste management, such as university waste, agricultural waste, food industry waste, and spent coffee ground (SCG) waste, were discussed in detail. Finally, various methods for recycling and sustaining food wastes (improving the rates of recycling) and their application in aforementioned sections were comprehensively presented.

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Section: University Wastesmentioning

confidence: 98%

“…Additionally, Fig. 5 explains that the main recycling process (taking into account the most optimal states) consists of 4 main steps (Keng et al 2020).…”

Section: University Wastesmentioning

confidence: 99%

Section: University Wastesmentioning

confidence: 99%

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Sustainability and Circular Economy of Food Wastes: Waste Reduction Strategies, Higher Recycling Methods, and Improved Valorization

et al. 2021

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“…To reuse and recycle waste, the community needs to be trained to segregate the waste and be rewarded for it. When it comes to composting, people need to be educated about the benefits of keeping and storing the organic waste until it is fully decomposed to create fertilizer (Keng et al 2020). At the household level, composting of organic waste can be fruitful in so many ways as it is a sustainable practice to divert organic waste from landfills (Agapios et al 2020;Faverial and Sierra 2014).…”

Section: Literature Reviewsmentioning

confidence: 99%

Assessment of municipal solid waste management system in Lae City, Papua New Guinea in the context of sustainable development

Doaemo

Dhiman²,

Borovskis³

et al. 2021

Environ Dev Sustain

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Lae City (LC) of Morobe Province is the second-largest city in Papua New Guinea. Due to the abundant natural resources it inherits, the resultant urbanization has led to an influx of the human population. This increase in population as a result of industrialization has led to increased municipal solid waste (MSW) accumulation. To address this exigent issue, which affects the nation’s carbon footprint, it is imperative to review socio-economic and geographic factors to establish a feasible approach for managing MSW efficiently and sustainably. In the quest to achieve the same, the present assessment focuses on the 3 core waste management hierarchy systems to support sustainable development for LC by reviewing existing opportunities and challenges associated with the current MSW management system and the associated policies. The result shows that as a sustainable approach to MSW management of LC, a zero-waste campaign for resource recovery engaging all stakeholders can be implemented since the organic content of MSW generated in LC is as high as 70%. Moreover, the dumping of MSW at the dedicated dumpsite site can be minimized if policies are strengthened and the proposed waste avoidance pathway is implemented strictly. In addition to this, to avoid the contamination of groundwater and recovery of methane, the use of the Fukuoka approach in the existing landfills has been suggested to capture leachate without any huge expenditure. Graphic abstract

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“…The first factor is constant population growth, as already emphasized, the second is linked with climate change issues ( Yang et al., 2020 ), which is causing a reduction in the yields of important crops, or some areas are even becoming unsuitable for efficient agriculture production. The food waste issue is one of the major problems ( Keng et al., 2020 ), since it has become a global problem, especially in developed economies. It is estimated that more than 28% of available agriculture areas is ‘‘reserved’’ for food waste and unfortunately more than 800·10 6 people are currently hungry, ( Fao.org, 2020 ).…”

Section: Introductionmentioning

confidence: 99%

Internet of Things (IoT): Opportunities, issues and challenges towards a smart and sustainable future

Nižetić

Šolić

López-de-Ipiña

et al. 2020

Journal of Cleaner Production

484

165

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The rapid development and implementation of smart and IoT (Internet of Things) based technologies have allowed for various possibilities in technological advancements for different aspects of life. The main goal of IoT technologies is to simplify processes in different fields, to ensure a better efficiency of systems (technologies or specific processes) and finally to improve life quality. Sustainability has become a key issue for population where the dynamic development of IoT technologies is bringing different useful benefits, but this fast development must be carefully monitored and evaluated from an environmental point of view to limit the presence of harmful impacts and ensure the smart utilization of limited global resources. Significant research efforts are needed in the previous sense to carefully investigate the pros and cons of IoT technologies. This review editorial is partially directed on the research contributions presented at the 4th International Conference on Smart and Sustainable Technologies held in Split and Bol, Croatia, in 2019 (SpliTech 2019) as well as on recent findings from literature. The SpliTech2019 conference was a valuable event that successfully linked different engineering professions, industrial experts and finally researchers from academia. The focus of the conference was directed towards key conference tracks such as Smart City, Energy/Environment, e-Health and Engineering Modelling. The research presented and discussed at the SpliTech2019 conference helped to understand the complex and intertwined effects of IoT technologies on societies and their potential effects on sustainability in general. Various application areas of IoT technologies were discussed as well as the progress made. Four main topical areas were discussed in the herein editorial, i.e. latest advancements in the further fields: (i) IoT technologies in Sustainable Energy and Environment, (ii) IoT enabled Smart City, (iii) E-health – Ambient assisted living systems (iv) IoT technologies in Transportation and Low Carbon Products. The main outcomes of the review introductory article contributed to the better understanding of current technological progress in IoT application areas as well as the environmental implications linked with the increased application of IoT products.

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Community-scale composting for food waste: A life-cycle assessment-supported case study

Cited by 105 publications

References 34 publications

Sustainability and Circular Economy of Food Wastes: Waste Reduction Strategies, Higher Recycling Methods, and Improved Valorization

Sustainability and Circular Economy of Food Wastes: Waste Reduction Strategies, Higher Recycling Methods, and Improved Valorization

Assessment of municipal solid waste management system in Lae City, Papua New Guinea in the context of sustainable development

Internet of Things (IoT): Opportunities, issues and challenges towards a smart and sustainable future

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