A Kinetic model for submerged citric acid production by Aspergillus versicolor using oil palm empty fruit bunch

Mina Grace  Asoka; Gideon Orkwagh  Abu; Obioma Kenechukwu  Agwa

doi:10.30574/gscbps.2021.17.1.0301

Authors

Mina Grace Asoka World Bank African Centre of Excellence, Centre for Oilfield Chemicals Research (ACE-CEFOR), University of Port Harcourt, Nigeria.
Gideon Orkwagh Abu World Bank African Centre of Excellence, Centre for Oilfield Chemicals Research (ACE-CEFOR), University of Port Harcourt, Nigeria.
Obioma Kenechukwu Agwa World Bank African Centre of Excellence, Centre for Oilfield Chemicals Research (ACE-CEFOR), University of Port Harcourt, Nigeria.

DOI:

https://doi.org/10.30574/gscbps.2021.17.1.0301

Keywords:

Kinetic model, Citric acid, Aspergillus versicolor, Luedeking–Piret equation, Oil palm empty fruit bunch

Abstract

The fermentation kinetics of citric acid by Aspergillus versicolor was studied in a submerged batch system. The logistic equation for growth, the Luedeking–Piret equation for citric acid production and modified Luedeking–Piret-like equation for glucose consumption was proposed for this study. The model appeared to provide a reasonable description for each parameter during the growth phase. The production of citric acid was growth-associated.

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