Intensive Production of Carboxylic Acids Using C. butyricum in a Membrane Bioreactor (MBR)

Autor: Husnul Azan Tajarudin, Myrto-Panagiota Zacharof, Karnika Ratanapongleka, Paul M. Williams, Robert W. Lovitt
Jazyk: angličtina
Rok vydání: 2018
Předmět:
Zdroj: Fermentation, Vol 4, Iss 4, p 81 (2018)
Druh dokumentu: article
ISSN: 2311-5637
DOI: 10.3390/fermentation4040081
Popis: This work reports on the use of a bench-scale chemostat (CSTR) in continuous mode and of a pilot-scale membrane bioreactor (MBR) in fed-batch mode to intensively produce acetic and butyric acids using C. butyricum grown on synthetic media. These studies were then used to perform a cost estimation study of the MBR system to assess the potential economic impact of this proposed methodology, regarding the production of carboxylic acids. The MBR system was found to be highly productive, reaching 37.88 g L−1 h−1 of acetic and 14.44 g L−1 h−1 of volumetric cell productivity, favoring acetic acid production over butyric acid at a ratio of 3 moles to 1. The cost of preparation and production of carboxylic acid using this system was found to be 0.0062 £PS/kg with up to 99% carbon recovery.
Databáze: Directory of Open Access Journals