Journal
JOURNAL OF CLEANER PRODUCTION
Volume 211, Issue -, Pages 1339-1356Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2018.11.269
Keywords
Citrus waste; Brewery waste; Potato waste; Pea vine; Waste management; Waste valorisation
Categories
Funding
- Engineering and Physical Sciences Research Council [EP/P008771/1]
- EPSRC [EP/P008771/1] Funding Source: UKRI
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Food manufacturing is comprised of a number of complex processes which generate vast amounts of food waste. Frequently, strategies for dealing with these materials are rudimentary and provide a low economic and environmental value, for instance animal feeding, anaerobic digestion, composting, incineration, landspreading and landfilling. However, food wastes contain numerous chemicals with a wide range of potential commercial applications, which makes these materials suitable feedstocks for valorisation. This paper applies a Waste Flow Modelling methodology to achieve two aims: to provide valuable food manufacturing and waste data in order to better understand current food manufacturing activities, and to analyse existing food waste management practices to lay the foundation for the implementation of alternative food waste valorisation solutions. Four UK industrial companies have been selected and assessed to represent four different food sectors where food waste valorisation could provide an economic and/or environmental advantage: a fruits supplier, a brewery, a potato supplier and a producer of peas. The production line of each of these four businesses is defined and characterised, which allows the identification of food wastes generated. Next, food wastes are categorised and quantified, and their patterns of generation and current waste management practices are described. Sankey diagrams and performance indicators are used to assess the efficiency of processes, combination of processes and the complete production line in terms of food waste generation. Finally, the results are analysed and used to obtain the main conclusions and provide recommendations for an improved food waste management system, with a focus on valorisation opportunities. (C) 2018 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
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