Second-generation biofuels [ Return towards  Energy  ]

Air Liquide is taking part in the development of the Bioliq® process which transforms the non-edible part of plants into synthesis gas, then into second-generation biofuels.

  Second-generation biofuels in images

Second-generation biofuels come from the biomass and products based on the non-edible part of plants (straw, wood, plant waste). They allow up to 90% cuts in CO2 emissions compared to fossil fuels and, unlike first-generation biofuels, they do not compete with the use of raw materials as food.

To demonstrate the feasibility of producing second-generation biofuels, Air Liquide has developed Bioliq®, a three-stage process. During the first stage, the straw is converted into synthetic crude: Bioliq® SynCrude. The second stage consists in heating this liquor to gasify it and produce syngas, a mixture of hydrogen and carbon monoxide, then converted into methanol.

Using another process, refinery will convert this methanol into diesel. Eventually, 7 kg of straw will produce 1 liter of sulfur-free diesel that can be used directly by our vehicles.

Air Liquide’s researchers have completed the development of the SynCrude production unit and have started the development of the gasification unit.

 


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