Bioprocess development and transcriptomic analysis for succinic acid production via fermentation using waste streams for the pulp and paper industry

Abstract

The scope of this thesis is the evaluation of spent sulphite liquor (SSL) derived as by-product stream from the sulphite pulping process of Eucalyptus globulus wood for the production of succinic acid via microbial fermentations. The study was initiated with the analysis of the composition of SSL and the evaluation of the inhibitory effect of SSL components and metabolic products on succinic acid production and bacterial growth. The evaluation of acetic acid, furfural and methanol showed that concentrations of 12, 1 and 4 g/L, respectively, are inhibitory for Actinobacillus succinogenes growth, while concentrations of 12, 3 and 8 g/L, respectively, are inhibitory for Basfia succiniciproducens growth. Lignosulphonates also posed major inhibitory effect on succinic acid production at concentrations higher than 50 g/L. Based on the high lignosulphonate concentration of the thick SSL used in this study, it was concluded that pretreatment of SSL should be carried out before fermentation. Th ...
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DOI
10.12681/eadd/45527
Handle URL
http://hdl.handle.net/10442/hedi/45527
ND
45527
Alternative title
Ανάπτυξη βιοδιεργασιών και μεταγραφομική ανάλυση για την παραγωγή ηλεκτρικού οξέος μέσω μικροβιακών ζυμώσεων με χρήση αποβλήτων από βιομηχανικές διεργασίες παραγωγής χαρτιού
Author
Pateraki, Chrysanthi (Father's name: Georgios)
Date
2018
Degree Grantor
Agricultural University of Athens
Committee members
Κουτίνας Απόστολος
Παπανικολάου Σεραφείμ
Φλεμετάκης Εμμανουήλ
Λάμπρου Νικόλαος
Κούκος Ιωάννης
Liden Gunar
Μανταλάρης Αθανάσιος
Discipline
Engineering and TechnologyIndustrial Biotechnology ➨ Industrial Biotechnology
Keywords
Bioprocessing; Fermentation; Renewable resources; Succinic acid; Transcriptomics
Country
Greece
Language
English
Description
im., tbls., fig., ch.
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