The coalescence performance of a PBT melt-blow structures applied for removal of dispersed water from diesel fuel – effect of solid particles

Andrzej Ryszard Krasiński


In this work the cleaning of diesel fuel by filtration was studied. The research is focused on the effect of solid particles on the water separation performance of coalescence filters. The fibrous media were fabricated in-house from polyester (PBT – polybutylene terephthalate) using the melt-blow technique. The experiments were carried out in a test rig, where the centrifugal pump was applied for emulsification of water and suspended particulates fed upstream the pump. Two grades of particles were used in experiments. The results show a pronounced effect of the particles wettability on the separation performance, i.e. efficiency and corresponding pressure drop. The hydrophobic Arizona Test Dust A3 (medium) showed a detrimental effect on the coalescence when deposited within the filter structure, while hydrophilic iron oxide particles (hematite) improved the filter performance comparing to experiments with pure water as the dispersed contaminant.
Author Andrzej Ryszard Krasiński (FCPE / CIPE)
Andrzej Ryszard Krasiński,,
- Chair of Integrated Process Engineering
Publication size in sheets0.5
Book The 22nd Polish Conference of Chemical and Process Engineering: Proceedings, 2016, Łódź, Faculty of Process and Environmental Engineering, ISBN 978-83-61997-75-7, 1584 p.
Proceedings OKIChiP 2016.pdf / No licence information (file archived - login or check accessibility on faculty)
Keywords in Englishcoalescence, diesel fuel filtration, emulsified water separation
Languageen angielski
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