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Environmental impacts of food waste management technologies: A critical review of life cycle assessment (LCA) studies
Abstract
Food waste is a serious global problem. Therefore, it is essential to reduce food waste and adopt recycling strategies to minimize its environmental impacts. However, conventional waste disposal methods emit harmful gases such as dioxin, CH4, N2O, and NH3, which contaminate the air and water resources. This work reviews the environmental consequences of food waste based on lifecycle assessment (LCA) techniques using methods such as anaerobic digestion, composting, and landfilling. It also pays attention to novel techniques like gasification and hydrothermal carbonization. This review critically evaluates and compares the environmental impacts assessed by LCA such as global warming potential (GWP), climate change (CC), marine eutrophication (MEP), human toxicity (HT), terrestrial eco-toxicity (Tecox), terrestrial acidification (TAP), freshwater ecotoxicity (FEW), freshwater eutrophication (FEP), marine ecotoxicity (ME), fossil depletion (FD), ozone layer depletion potential (OLDP), and land occupation (LO) for each method. This study also highlights the importance of technological innovation and the need to improve current food waste valorization practices by focusing on the LCAs of the approaches listed above. With respect to its novelty, this work consolidates a useful comparison among the food waste utilization technologies with respect to environmental impacts based on LCA studies. Furthermore, this work emphasizes the need for in-depth research on the LCA of sustainable techniques such as gasification, fermentation and hydrothermal carbonization to support evidence-based decision-making.
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Authors (8)
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Fatima Batool
- University of Management and Technology
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Tonni Agustiono Kurniawan
- Xiamen University, Xiamen
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Ayesha Mohyuddin
- University of Management and Technology,
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Mohd Hafiz Dzarfan Othman
- Universiti Teknologi Malaysia (UTM)
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Faissal Aziz
- Cadi Ayyad University,
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Hui Hwang Goh
- Guangxi University, Nanning
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Abdelkader Anouzla
- Hassan II University
Cite as
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Keywords
Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
TRENDS IN FOOD SCIENCE & TECHNOLOGY
no. 143,
ISSN: 0924-2244 - Language:
- English
- Publication year:
- 2024
- Bibliographic description:
- Batool F., Kurniawan T. A., Mohyuddin A., Othman M. H. D., Aziz F., Al-Hazmi H., Goh H. H., Anouzla A.: Environmental impacts of food waste management technologies: A critical review of life cycle assessment (LCA) studies// TRENDS IN FOOD SCIENCE & TECHNOLOGY -, (2024), s.104287-
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.tifs.2023.104287
- Sources of funding:
-
- COST_FREE
- Verified by:
- Gdańsk University of Technology
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