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International Journal of Environment Science and Technology
Center for Environment and Energy Research and Studies (CEERS)
ISSN: 1735-1472 EISSN: 1735-1472
Vol. 12, No. 2, 2015, pp. 725-738
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Bioline Code: st15066
Full paper language: English
Document type: Research Article
Document available free of charge
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International Journal of Environment Science and Technology, Vol. 12, No. 2, 2015, pp. 725-738
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Production and applications of crude polyhydroxyalkanoatecontaining bioplastic from the organic fraction of municipal solid waste
Ivanov, V.; Stabnikov, V.; Ahmed, Z.; Dobrenko, S. & Saliuk, A.
Abstract
for the further development of degradable
plastic polyhydroxyalkanoates (PHAs), which are produced
by bacteria. However, the production cost of this bioplastic,
manufactured using conventional technologies, is several
times higher than that of petrochemical-based plastics. This
is a major obstacle for the industrial production of PHA
bioplastic for non-medical use. The aim of this review is to
evaluate suitable methods for the significant reduction in
bioplastic production costs. The study findings are as follows:
(1) The organic fraction of municipal solid waste can
be used as a raw material through acidogenic fermentation;
(2) non-aseptic cultivation using mixed bacterial culture
can significantly reduce the production cost; (3) biotechnology
of bacterial cultivation should ensure selection of
PHA-accumulating strains; (4) applications of PHA-containing
material in both construction industry and
agriculture do not require expensive extraction of PHAs
from bacterial biomass. The implementation of the above
findings in the current manufacturing process of PHA-containing
bioplastic would significantly reduce production
costs, thereby rendering PHA-containing bioplastic an
economically viable and environmentally friendly alternative
to petrochemical-based plastics.
Keywords
Bioplastic; Polyhydroxyalkanoates; Municipal solid waste; Construction material
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