Bioplastics Disposal: How To Manage It
Author(s)
F. Gironi & V. Piemonte
Abstract
The biodegradable plastics were introduced in the 1980s in order to detect
possible renewable feedstock to produce non petroleum-based plastics, as well as
to reduce the environmental burdens due to the landfill volume increase. To this
end, in the last years different typologies of bioplastics like PHB, PCL, Mater-Bi
and PLA were introduced.
In order to verify the benefits of bioplastics in comparison to conventional
plastics it is necessary to evaluate the environmental impact derived from
production, utilization and disposal of the two kinds of material. Nowadays, the
most important tool to evaluate the environmental impact of a material (for
example bio or conventional plastics) is the life cycle assessment (LCA) that
determines the overall impact of a plastic on the environment by defining and
analysing several impact indices. In particular, global warming, human toxicity,
abiotic depletion, eutrophication, acidification and many other impact indices
directly related to the production, utilization and disposal of the plastics studied
in this work are considered.
In this paper an analysis of the different disposal scenarios (in particular
composting and recycling processes) applied to the most important bioplastics
currently on the market (PLA made from Nature Works and Mater-Bi made from
Novamont), was carried out by using the LCA methodology and by also taking
into account the Land Use Change (LUC) emissions. Cost and benefits of the
bioplastic disposal were also compared to these of the conventional plastics.
Keywords: bioplastics, waste management, Land Use Change, LCA, recycling.
Keywords
bioplastics, waste management, Land Use Change, LCA, recycling
Related Book
Other papers in this volume
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