Abstract
Fuel filters play an essential role in protecting the injection equipment and fuel tanks against corrosion and damage of diesel engines. Diesel fuel separators are typically made of treated cellulose, fiberglass, or mixed fibrous media (composites), modified with various chemicals to obtain a hydrophobic surface. In the presented research, a modification procedure of polyester fibers supported on cellulose using octadecyltrichlorosilane (OTS) has been developed. The OTS coating renders the filter media superhydrophobic with water contact angle and roll-off angle of 156.4 and 4.9°, respectively. The performance of the modified material was verified in dispersed water removal from low-sulfur diesel fuel. High efficiency and a reliable operation in test conditions were confirmed.
Highlights
According to the statistics of fuel consumption in the transport sector from 1990 to 2018, obtained from 27 countries of the European Union (EU), diesel-powered vehicles were not replaced by gasoline-powered, hybrid, or electric vehicles despite the rapidly developing popularity and technology of the latter.[1]Diesel fuel consumption in transport overtook motor gasoline consumption in 1998 and was almost 3 times higher in 2018 than gasoline
On the other hand, the sophisticated common rail (CR) injection system requires high-purity fuel for reliable operation because they are vulnerable to both solids and free water
The low sliding angle for water droplets placed on the surface confirmed its low adhesion properties, which in the filtration process can be a measure of its self-cleaning ability this hypothesis was experimentally confirmed
Summary
According to the statistics of fuel consumption in the transport sector from 1990 to 2018, obtained from 27 countries of the European Union (EU), diesel-powered vehicles were not replaced by gasoline-powered, hybrid, or electric vehicles despite the rapidly developing popularity and technology of the latter.[1]. Diesel fuel consumption in transport overtook motor gasoline consumption in 1998 and was almost 3 times higher in 2018 than gasoline. Over the past 20 years, the demand shift has been dictated mainly by the favorable excise taxes on diesel fuel and the growing medium and heavy-duty transport in the EU.[2,3] diesel fuel-driven vehicles still play an important role in this market sector. On the other hand, the sophisticated common rail (CR) injection system requires high-purity fuel for reliable operation because they are vulnerable to both solids and free water
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