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- Title
Economic and environmental analysis of bio-succinic acid production: From established processes to a new continuous fermentation approach with in-situ electrolytic extraction.
- Authors
Mancini, Enrico; Dickson, Rofice; Fabbri, Serena; Udugama, Isuru A.; Ullah, Humzaa Imtiaz; Vishwanath, Srikanth; Gernaey, Krist V.; Luo, Jianquan; Pinelo, Manuel; Mansouri, Seyed Soheil
- Abstract
• Bio-succinic acid from biomass fermentation can be cost-effective. • Industrial-scale continuous fermentation with immobilized A. succinogenes. • In-situ separation with anion exchange membrane electrolytic cell. • Ion-exchange columns and nanofiltration are key separation technologies. • Low pH fermentation potentially lowers economic and environmental impacts. Many recent attempts to commercialize bio-succinic acid (bio-SA) ended to be unsuccessful after a start flourishing moment. Furthermore, the improved environmental performance of bio-SA production processes compared to petroleum-based SA is still uncertain. In this study a techno-economic analysis was conducted comparing four bio-SA manufacturing processes in terms of net present value and minimum selling price. Two of the simulated processes are based on patents released by bio-SA manufacturing companies (I) Roquette/DSM (Reverdia) and (II) DNP Green Technology/ARD (BioAmber). A third process is based on a Michigan State University patent (III) and a fourth process is conceptual (IV). The conceptual process IV was demonstrated to have <50% lower capital costs and ∼40 to 55% lower manufacturing costs than the other processes. With a minimum selling price of 1.4 USD kg−1, process IV would be cheaper than petroleum based succinic acid (∼2.0 USD kg−1). The Reverdia-based process can also be competitive, while process III and particularly the BioAmber-based process II are not profitable. Ion-exchange columns, nanofiltration and anion exchange membranes are shown to be key technologies for lowering bio-SA manufacturing costs. Continuous bio-SA fermentation with in situ -like extraction can change the bio-SA market, but the environmental sustainability assessment reveals only marginal differences compared with petroleum-based SA. Low pH "aerobic fermentation" is likely to be a more sustainable strategy compared to neutral pH "aerobic fermentation".
- Subjects
SUCCINIC acid; MICHIGAN State University; ECONOMIC research; ACID analysis; FERMENTATION; ION-permeable membranes; NET present value; IN situ processing (Mining)
- Publication
Chemical Engineering Research & Design: Transactions of the Institution of Chemical Engineers Part A, 2022, Vol 179, p401
- ISSN
0263-8762
- Publication type
Article
- DOI
10.1016/j.cherd.2022.01.040