Effect of Biodiesel on Biofilm Biodeterioration of Linear Low Density Polyethylene in a Simulated Fuel Storage Tank

Juan Manuel Restrepo-Flórez; Jeffery A. Wood; Lars Rehmann; Michael Thompson; Amarjeet Bassi

doi:10.1115/1.4030107

Effect of Biodiesel on Biofilm Biodeterioration of Linear Low Density Polyethylene in a Simulated Fuel Storage Tank

Juan Manuel Restrepo-Flórez, Jeffery A. Wood, Lars Rehmann, Michael Thompson, Amarjeet Bassi^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › Academic › peer-review

3 Citations (Scopus)

Abstract

A simulated fuel storage tank was used to study biodeterioration of linear low-density polyethylene over 100 days. The system consisted of a water layer inoculated with microorganisms and a fuel layer of diesel/biodiesel. Biodeterioration was characterized measuring: biofilm growth, surface chemistry, crystallinity, and topography. Results showed greater accumulation of biofilm at higher biodiesel concentrations. Polyethylene biodegradation measured as consumption of oxidized species, increase in contact angle with water and reduction in electron donor groups was observed in all samples and was slightly higher in biodiesel-rich fuels. Topography changes and weight loss showed that microbial penetration in the polymer was superficial.

Original language	English
Article number	032211
Journal	Journal of Energy Resources Technology, Transactions of the ASME
Volume	137
Issue number	3
DOIs	https://doi.org/10.1115/1.4030107
Publication status	Published - 1 May 2015
Externally published	Yes

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abstract = "A simulated fuel storage tank was used to study biodeterioration of linear low-density polyethylene over 100 days. The system consisted of a water layer inoculated with microorganisms and a fuel layer of diesel/biodiesel. Biodeterioration was characterized measuring: biofilm growth, surface chemistry, crystallinity, and topography. Results showed greater accumulation of biofilm at higher biodiesel concentrations. Polyethylene biodegradation measured as consumption of oxidized species, increase in contact angle with water and reduction in electron donor groups was observed in all samples and was slightly higher in biodiesel-rich fuels. Topography changes and weight loss showed that microbial penetration in the polymer was superficial.",

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Effect of Biodiesel on Biofilm Biodeterioration of Linear Low Density Polyethylene in a Simulated Fuel Storage Tank. / Restrepo-Flórez, Juan Manuel; Wood, Jeffery A.; Rehmann, Lars et al.
In: Journal of Energy Resources Technology, Transactions of the ASME, Vol. 137, No. 3, 032211, 01.05.2015.

Research output: Contribution to journal › Article › Academic › peer-review

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AU - Restrepo-Flórez, Juan Manuel

AU - Wood, Jeffery A.

AU - Rehmann, Lars

AU - Thompson, Michael

AU - Bassi, Amarjeet

PY - 2015/5/1

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Effect of Biodiesel on Biofilm Biodeterioration of Linear Low Density Polyethylene in a Simulated Fuel Storage Tank

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