Bicomponent fiber with water-guiding channels for enhanced efficiency of diesel fuel filters

I. Noll*, G. Seide, T. Gries, RWTH Aachen University, Germany

To current state, more than 40 million passenger cars and over 2 million trucks are registered in Germany. About one in four passenger cars and the total number of trucks are powered with diesel fuel and have a respective fuel filter. Among others, diesel fuel filters fulfill two functions, the separation of particles and the separation of water from the fuel. Due to governal restrictions based on discussions on the climate change, mineral diesel shall gradually be substituted by bio diesel. At current, mineral diesel contains 7 % of biodiesel. The separation of water is a major challenge in the filtration of diesel fuels. Especially through legislative decrees on the rising content of biodiesel in regular diesel, the increase of the efficiency of diesel fuel filters has been subject of research throughout the past ten years. Due to its chemical structure, biodiesel exhibits a higher level of affinity to water than mineral diesel. Water in the fuel may lead to corrosion of engine components or to a hydrolytic decomposition of the diesel fuel.

In order to solve these technical challenges, a bicomponent fiber with water-guiding channels is developed within a research project to increase the water separation ability of filters. Therefore, a spinning package for the extrusion of such bicomponent fibers is designed by ...

Session: L18 - Fuel Filtration II - Water Separation
Day: 13 October 2016
Time: 13:00 - 14:15 h

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