Bioreactors for succinic acid production processes

Area of Science:

• Biotechnology
• Chemical Engineering
• Industrial Microbiology

Background:

• Succinic acid (SA) is a key bio-based chemical building block with vast application potential.
• Fermentation of SA from renewable feedstocks offers economic and sustainability advantages over petroleum-based production.
• Bioreactor design and operation are critical for efficient SA production.

Purpose of the Study:

• To review fermentation process designs for succinic acid production over the last decade.
• To identify challenges hindering economically feasible succinate production.
• To highlight the importance of bioreactor design and performance enhancement.

Main Methods:

• Literature review of fermentation strategies for SA production.
• Analysis of bioreactor designs including immobilized biocatalysts and integrated systems.
• Examination of different operation modes (batch, fed-batch, continuous).

Main Results:

• Numerous fermentation strategies have been developed, utilizing diverse bioreactor configurations.
• Advances in bioreactor design and operation modes have been reported.
• Challenges remain in achieving economically viable large-scale SA production.

Conclusions:

• Optimizing bioreactor design and enhancing performance are crucial for improving fermentation efficiency.
• Further advancements are needed for cost-effective and sustainable succinic acid production.
• Focusing on the fermentation stage is key to unlocking the potential of bio-based succinic acid.