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An economic-environmental analysis of selected barrier coating materials used in packaging food products - A Swedish case study
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences. (Miljö och Energi)ORCID iD: 0000-0002-6293-8657
2017 (English)In: Environment, Development and Sustainability, ISSN 1387-585X, E-ISSN 1573-2975Article in journal (Refereed) In press
Abstract [en]

The purpose of a barrier coating in food packaging is primarily to increase the shelf life of the foodstuff contained within the packaging, preserve its colour, odour, taste and quality, and thereby reduce food wastage (both at retail outlets and households). While most publications hitherto have compared packaging and barrier-coating materials on the basis of their environmental impacts alone, this paper adopts a more holistic approach by factoring in the economic aspect as well. Four barrier material alternatives - Starch, polyethylene, EVOH+kaolin, and latex+kaolin are analysed. Two well-defined end-of-life handling scenarios, relevant to Sweden, are considered - one in which everything except starch is recycled, with starch being composted, and the other in which everything is incinerated. Among the several environmental impact categories which can be analysed, this paper considers only global warming. Two approaches are tested to combine the economic and environmental aspects - normalisation, weighting and aggregating on the one hand, and using the carbon tax to internalize the externality caused by GHG emissions on the other. For the set of weighting factors obtained thanks to a survey conducted by the authors (40.6% for environmental and 59.4% for economic), starch emerges as the most sustainable alternative, followed by polyethylene for both the end-of-life handling scenarios. This tallies with the result obtained by using the carbon tax for internalization of the externality. The case study, methodology and results presented in this paper, will hopefully be a springboard for more detailed studies of this nature, under the umbrella of sustainability

Place, publisher, year, edition, pages
2017.
Keyword [en]
BARRIER COATING, FOOD PACKAGING
National Category
Engineering and Technology
Research subject
Environmental Science; Chemical Engineering
Identifiers
URN: urn:nbn:se:kau:diva-48279OAI: oai:DiVA.org:kau-48279DiVA: diva2:1087742
Projects
VIPP PhD
Funder
Stora Enso
Available from: 2017-04-10 Created: 2017-04-10 Last updated: 2017-04-10

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CiteExportLink to record
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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
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  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
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  • asciidoc
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