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SAF technology
According to the International Air Transport Association (IATA), there are currently seven certified technical pathways certified for sustainable aviation fuel (SAF) production. These drop-in solutions can be blended directly with conventional jet fuels (Jet A-1 fuels) to be used in aircraft and existing fuel infrastructure at airports.
The seven pathways to produce SAF are:
    •Alcohol-to-jet (ATJ)
    •Catalytic hydrothermolysis jet fuel (CHJ)
    •Co-processing
    •Fischer-Tropsch (FT)
    •Hydrotreated esters and fatty acids (HEFA)
    •Hydro-processed hydrocarbons, esters, and fatty acids (HC-HEFA)
    •Synthesized iso-paraffins (SIP)
Alcohol-to-jet (ATJ)
The ATJ pathway converts alcohol into SAF using several steps: alcohol dehydration, olefins oligomerization, and hydrogenation followed by fractionation
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SAF technology