Silicone pertraction-based chain elongation bioprocess to synthesize middle-chain carboxylic acids

Summary of the technology

We propose a technology that involves the use of a hydrophobic membrane to allow for a controllable, adjustable, cost-effective, and energy-free diffussion of hexanoate precursors. This new method will increase the production efficiency and purity of those valuable chemicals.

Universitat de Girona

Details of the Technology Offer

Silicone pertraction-based chain elongation bioprocess to synthesize middle-chain carboxylic acids (butyrate, valerate, hexanoate, heptanoate, octanoate) from ethanol containing wastewaters / fermentate.

The need to find sustainable ways to produce valuable chemical compounds has increased due to global warming and the reduction of fossil resources. Fermentation of organic wastes or industrial by-products is a highly promising method, but it has been hampered by the negative effects of biological contamination and non-optimal ethanol:acetic acid ratios on product yield and purity. To address this issue, the proposed solution involves using a hydrophobic membrane to allow for a controllable, adjustable, cost-effective, and energy-free diffusion of hexanoate precursors. This new method will increase the production efficiency and purity of those valuable chemicals.

Competitive advantages

  • Optimal use with any ethanol-containing wastewaters
  • Adaptable to work under sterile conditions
  • No dilution required even for concentrated substrates
  • No energy and/or toxic solvents required for the diffussion of precursors

Intellectual property status

Patent application number : EP23382585.0

Current development status

Working prototypes

Desired business relationship

Patent licensing

Technology development

Related Keywords

  • Chemical Technology and Engineering
  • Sustainability
  • Pharmaceuticals/fine chemicals
  • Energy Market
  • circular economy
  • silicone

About Universitat de Girona

The University of Girona (UdG) by means of its Research & Technology Transfer Office (TTO) provides services to 117 research groups, 42 of which have been recognized as Consolidated Research Group of Catalonia and 4 among them have been incorporated into the TECNIO network, the top Catalonia's Government excellence research network.

University of Girona (TTO)

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