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Materiale Plastice
Cite as: Mater. Plast.
https://doi.org/10.37358/Mat.Plast.1964

OSIM Nr. R102356
ISSN Print 0025-5289
ISSN Online 2668-8220
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Materiale Plastice (Mater. Plast.), Year 2016, Volume 53, Issue 3, 406-409



Valentina Mladenovic, Ferenc Kiss, Slavka Nikolic, Masa Bukurov

Polylactic Acid vs. Polyethylene Terephthalate: Which is Carrying a Heavier Ecological Rucksack?


Abstract:
This paper deals with an input oriented method called Ecological Rucksack applied on two materials -corn starch polylactic acid (PLA) granules (bottle grade) and polyethylene terephthalate (PET) granules (bottle grade). We calculated the total mass of material inputs of PLA (from the cradle to the point of sale) and made comparative analysis with PET. Case study results indicate that Ecological Rucksack of PET granules (bottle grade) in terms of its abiotic material and biotic material requirement is about 44% lower than the Ecological Rucksack of corn starch PLA granules (bottle grade).However, PLA has significantly lower water requirement compared to PET. The study has highlighted some limitations of the Ecological Rucksack method arising from the limited data availability and uncertainties associated with its application.


Keywords:
Ecological Rucksack; material intensity factors; corn starch PLA; PET

Issue: 2016 Volume 53, Issue 3
Pages: 406-409
Publication date: 2016/9/30
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This article is published under the Creative Commons Attribution 4.0 International License
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