Membrane separates different types of fuel based on their molecular size, eliminating the need for energy-intensive crude oil distillation

 https://news.mit.edu/2025/new-approach-could-fractionate-crude-oil-using-less-energy-0522

"fractionation into gasoline, diesel, heating oil accounts for 1% world’s energy use... instead of separating components by boiling points, filters crude oil components by molecular size... resistant to swelling, scalable thin film manufactured using common technique, 90% less energy use... reverse osmosis water desalination polymers modified by changing bond connecting monomers from amide bond to more rigid/ hydrophobic imine bond... also introduced triptycene monomer... high permeance and excellent selectivity"

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