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Cleaner jet fuel resists fungus, but additives bring new risks

PubMed · 2026-08-16

Scientists tested how well jet fuel resists fungal contamination and found that more heavily refined fuel resists microbial growth better, but some fuel treatments meant to fight microbes can actually raise corrosion risk instead.

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Susceptibility to fungal biodegradation decreased as fuel refining depth increased, from straight-run to hydrocracked fractions

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Microbial activity consistently reduced paraffinic and naphthenic hydrocarbons while increasing aromatic content and lowering sulfur

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The antioxidant additive Agidol-1 suppressed microbial growth but dropped aqueous phase pH to about 4, raising corrosion risk; the lubricity additive Unicor J showed a mild protective effect

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