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Study of environmental biodegradation of LDPE films in soil using optical and scanning electron microscopy

Mumtaz, Tabassum and Khan, Muhammad Rahim and Hassan, Mohd Ali (2010) Study of environmental biodegradation of LDPE films in soil using optical and scanning electron microscopy. Micron, 41 (5). pp. 430-438. ISSN 0968-4328

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Official URL: http://dx.doi.org/10.1016/j.micron.2010.02.008

Abstract

An outdoor soil burial test was carried out to evaluate the degradation of commercially available LDPE carrier bags in natural soil for up to 2 years. Biodegradability of low density polyethylene films in soil was monitored using both optical and scanning electron microscopy (SEM). After 7-9 months of soil exposure, microbial colonization was evident on the film surface. Exposed LDPE samples exhibit progressive changes towards degradation after 17-22 months. SEM images reveal signs of degradation such as exfoliation and formation of cracks on film leading to disintegration. The possible degradation mode and consequences on the use and disposal of LDPE films is discussed.

Item Type:Article
Keyword:Biodegradation, LDPE, Optical microscopy, SEM, Soil burial
Faculty or Institute:Faculty of Engineering
Altmetrics:http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1016/j.micron.2010.02.008
ID Code:12391
Deposited By: Anas Yahaya
Deposited On:18 May 2011 17:08
Last Modified:18 May 2011 17:11

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