Impact of feedstocks and downstream processing technologies on the economics of caproic acid production in fermentation by Megasphaera elsdenii T81
- Authors
- Kim, Hyunjin; Choi, Okkyoung; Jeon, Byoung Seung; Choe, Woo-Seok; Sang, Byoung-In
- Issue Date
- Apr-2020
- Publisher
- ELSEVIER SCI LTD
- Keywords
- Caproic acid; Megasphaera elsdenii; Extractive fermentation; Jerusalem artichoke
- Citation
- BIORESOURCE TECHNOLOGY, v.301, pp.1 - 7
- Indexed
- SCIE
SCOPUS
- Journal Title
- BIORESOURCE TECHNOLOGY
- Volume
- 301
- Start Page
- 1
- End Page
- 7
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/9890
- DOI
- 10.1016/j.biortech.2020.122794
- ISSN
- 0960-8524
- Abstract
- Caproic acid (CA) was produced by Megasphaera elsdenii T81 with Jerusalem artichoke tubers (JA) as a feedstock. More CA was produced under the medium with the acid hydrolysate of JA than the comparative medium with a carbon composition similar to that of JA. CA was produced up to 13.0 g/L and 0.52 g/L/h with extractive fermentation using a mixed solvent of alamine 336 in oleyl alcohol at 37 degrees C. The JA cost to produce 1 ton of CA is only 505 USD, which is much lower than that required for purchasing sucrose (860 USD) in CA production. As a result of the analysis performed using SuperPro Designer, including the cost of distillation to obtain pure CA, the estimated production cost for CA from dry JA is 1869 USD/ton CA at the production scale of 2000 ton/year, which is lower than the current market price for petroleum-derived CA (similar to 2500 USD/ton).
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