The Client is developing a fermentation pathway to produce organic acids at a laboratory scale.

On a basis of a theoritical and preliminary down-stream process, the Client request is to estimate the economic viability of its Project to reinforced its arguments towards potential financers. Included in its study, Processium also evaluates the impact of several hypothesis in term of technologies and products mix.


On the basis of data obtained through lab-scale experiments by the Client, Processium carries out this study to define:

  • Preliminary process design based on Processium expertise,
  • Preliminary sizing of the down-stream process. Several sizing calculations are conducted to anticipate miscellaneous hypothesis (concentration of the main product in fermentation broth, extraction yield depending on solvent, rate of preliminary concentration, recycling rate to the fermentor, annual capacity of the process),


  • CAPEX and OPEX estimates,
  • Sensitivity study conducted to identify the impact of each parameter on Project economic feasibility (cost of raw material, fermentation yield, residence time, etc.).



This study on technical and economic feasibility of the Project allows:

  • To identifiy the key technical parameters involved in financial viability of the Project (fermentation yield, concentration of products in fermentation broth, performances of extraction solvent, fermentor volume, etc.),
  • To validate the economic feasibility of the Project, based on CAPEX and OPEX estimates of upstream and downstream processes,
  • To build a tentative schedule for the Project based on key issues identified during the study.
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