ISSN print edition: 0366-6352
ISSN electronic edition: 1336-9075
Registr. No.: MK SR 9/7

Published monthly

Biochemical Method of Oxalic Acid Production from Beet Molasses

W. Podgorski And W. Lesniak

Department of Food Biotechnology, Institute of Chemistry and Food Technology, Wroclaw University of Economics, PL-53-345 Wroclaw



Received: 31 March 2003

Abstract: The ability of Aspergillus niger strains to produce relatively high concentration of oxalic acid from a low-cost carbon substrate was investigated. The experiments proved that beet molasses was a suitable raw material for oxalic acid production when an optimized dose of potassium ferrocyanide was used as an additive. A positive e ect on the oxalic acid production was exhibited if higher concentrations of dissolved oxygen were maintained. The fermentation processes carried out in a pilot plant scale in 1500-dm3 stirred tank reactor allowed obtaining oxalic acid concentration as high as 38.7 g dm−3. This amount of product was obtained during 144 h of the batch process from 12.8 % of initial sugar content in molasses medium.


Chemical Papers 57 (6) 408–412 (2003)

Tuesday, March 05, 2024

SCImago Journal Rank 2021
European Symposium on Analytical Spectrometry ESAS 2022
© 2024 Chemical Papers