Case Study of Biodiesel-Diesel Blends as a Fuel in Marine Environment


Formation of excessive sludge and fuel filter clogging were experienced in using biodiesel blends under marine environment. In this study, a field test was conducted in a marine ferry boat fueled by canola-based biodiesel blends. The sludge materials collected in the fuel purifier were characterized using inductively coupled plasma (ICP), pyrolysis-GC/MS (Py-GC/MS), thermogravimetric analysis (TGA), and Karl-Fischer titration. It was found that the sludge materials consisted of four distinctive fractions: organic materials derived from diesel and canola biodiesel (major fraction), ash (11-14% w/w), water (~17% w/w), and bacteria. The active bacteria were present in the sludge samples. It was suggested that bacterial contamination was one of the major factors in contribution to the sludge formation.

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T. Zhang, Y. Chao, N. Liu, J. Thompson, M. Garcia, B. He, J. Gerpen and S. Chen, "Case Study of Biodiesel-Diesel Blends as a Fuel in Marine Environment," Advances in Chemical Engineering and Science, Vol. 1 No. 2, 2011, pp. 65-71. doi: 10.4236/aces.2011.12011.

Conflicts of Interest

The authors declare no conflicts of interest.


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