In-soil degradation of polymer materials waste – A survey of different approaches in relation with environmental impact

Vegetal fibers from different sources, including wood fibers and plant-derived fibers, together with polymer plastics per se (natural, synthetic, and their blends), as well as their combinations as composite materials may generate significant amounts of wastes. These will undergo degradation process...

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Bibliographic Details
Published in:Bioresources 2023-02, Vol.18 (1), p.2213-2261
Main Authors: Teacă, Carmen-Alice, Ignat, Mauruşa-Elena, Nechifor, Marioara, Tanasă, Fulga, Ignat, Leonard
Format: Article
Language:English
Subjects:
Bioconversion
Biodegradation
Carbon
Climate change
Composite materials
Composting
degradation
Drought
Environmental conditions
Environmental degradation
Environmental factors
Environmental impact
evaluation of degradation
Fibers
Lignocellulose
Manufacturing
Microorganisms
NMR
Nuclear magnetic resonance
plant fibers
plant fibers-polymer composites
Plants
Plastics
Polymer blends
Polymers
Recycling
Soil degradation
Soil dynamics
Soil temperature
Spectrometry
Surveys
Thermal stability
Ultraviolet radiation
wastes
Weight loss
Wood fibers
wood-polymer composites
X-ray diffraction
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Summary:Vegetal fibers from different sources, including wood fibers and plant-derived fibers, together with polymer plastics per se (natural, synthetic, and their blends), as well as their combinations as composite materials may generate significant amounts of wastes. These will undergo degradation process under exposure to different environmental factors including microorganisms, climatic changes – e.g. droughts, oxygen, temperature, soil dynamics, UV radiation, etc. This survey offers a concise review of degradation under environmental conditions, mainly after in-soil exposure, of waste made of polymer materials and natural fibers. It also describes the most common methods for evaluation of bioconversion and degradation, as well as the structural properties after degradation (e.g. macroscopic investigation; weight loss; spectrometry – UV, FTIR, NMR; X-ray diffraction for crystalline changes; SEM microscopy; and thermal stability).
ISSN:1930-2126
1930-2126
DOI:10.15376/biores.18.1.Teaca