BioVeritas has since significantly advanced the technology, particularly in fermentation product distribution and acid recovery at its market demonstration unit in Bryan, Texas. The BioVeritas Process, when applied to SAF, unlocks more feedstocks and uses less energy to deliver aviation fuel with superior carbon intensity. These capabilities free the platform from some of the key constraints that face the SAF industry, positioning BioVeritas for unlimited growth potential.
The BioVeritas Process for SAF is comprised of three steps: Directed Mixed-Culture Fermentation to produce VFAs, Low-Energy Acid Recovery, and VFA-SAF conversion. First, Directed Mixed-Culture Fermentation transforms a wide variety of abundant feedstocks – from purpose-grown crops to agricultural residues and waste streams – into a mixture of VFAs in a controlled and tunable ratio. This control is exerted by directing the microbial physiology and ecology of the mixed culture.
Second, Low-Energy Acid Recovery is enabled by BioVeritas’ proprietary extraction process and efficient water recycling. Combined, these attributes minimize both distillation and evaporation requirements that typically drive high energy demand in other processes.
Lastly, the VFA-SAF step converts the longer-chain VFAs into SAF through ketonization followed by hydrodeoxygenation and isomerization. The latter two processes are those used in the commercially-established HEFA/HVO process.
The BioVeritas Process overcomes many of the fundamental constraints of other SAF production technologies, like limited feedstock and green energy availability. This flexible, innovative process positions BioVeritas for substantial future growth to support the ambitious volume goals of the SAF Grand Challenge.
“BioVeritas is focused today on helping the aviation industry achieve their net zero carbon emission targets and the refining industry meet their renewable volume obligations,” stated David Austgen, chief executive officer of BioVeritas.
