Abstract:In modern diesel fuel a proportion of biodiesel is blended with petro-diesel to reduce environmental impacts. However, it can adversely affect the operation of nonwoven coalescing filter media when separating emulsified water from diesel fuel. This can be due to factors such as increasing water content in the fuel, a reduction in interfacial tension (IFT) between the water and diesel, the formation of more stable emulsions, and the generation of smaller water droplets. Standard water/diesel separation test met… Show more
Micrometer-sized water droplets dispersed in diesel fuel are stabilized by the fuel’s surface-active additives, such as mono-olein and poly(isobutylene) succinimide (PIBSI), making the droplets challenging for coalescing filters to separate....
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