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Comparison of two routes for the bio‐based production of economically important C4 streams

Comparison of two routes for the bio‐based production of economically important C4 streams Four carbon compounds like 1,4‐butanediol (1,4‐BDO), succinic acid (SA) have been identified as platform chemicals for producing polymers from renewable resources. The successful commercialization of 1,3‐propanediol by Dupont Tate and Lyle Bioproducts and 1,4‐BDO by Genomatica Inc. has established the commercial viability of green chemicals. In this study, we present the analyses to produce four‐carbon compounds (C4s) like 1,4‐BDO, gamma butyrolactone, and tetrahydrofuran from dextrose through two separate routes: (a) single‐step bioconversion and (b) hydrogenation of bio‐based SA. It was concluded that for an extended process involving hydrogenation of SA, additional increases in SA titer values and productivity by genetically modifying the relevant organisms will be required to achieve viability especially in comparison with the single‐step bioconversion process for 1,4‐BDO. In addition, the single‐step bioconversion process has lower greenhouse gas emissions but has higher overall water usage. Overall, given the published state of technology, the direct bioconversion route produces C4s (1,4‐BDO) at $ 1.8/kg and is economically viable, while the SA hydrogenation process (C4s refinery) produces C4s at $ 3.6/kg and is not competitive with current production routes. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Advanced Manufacturing and Processing Wiley

Comparison of two routes for the bio‐based production of economically important C4 streams

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References (31)

Publisher
Wiley
Copyright
© 2020 American Institute of Chemical Engineers
eISSN
2637-403X
DOI
10.1002/amp2.10054
Publisher site
See Article on Publisher Site

Abstract

Four carbon compounds like 1,4‐butanediol (1,4‐BDO), succinic acid (SA) have been identified as platform chemicals for producing polymers from renewable resources. The successful commercialization of 1,3‐propanediol by Dupont Tate and Lyle Bioproducts and 1,4‐BDO by Genomatica Inc. has established the commercial viability of green chemicals. In this study, we present the analyses to produce four‐carbon compounds (C4s) like 1,4‐BDO, gamma butyrolactone, and tetrahydrofuran from dextrose through two separate routes: (a) single‐step bioconversion and (b) hydrogenation of bio‐based SA. It was concluded that for an extended process involving hydrogenation of SA, additional increases in SA titer values and productivity by genetically modifying the relevant organisms will be required to achieve viability especially in comparison with the single‐step bioconversion process for 1,4‐BDO. In addition, the single‐step bioconversion process has lower greenhouse gas emissions but has higher overall water usage. Overall, given the published state of technology, the direct bioconversion route produces C4s (1,4‐BDO) at $ 1.8/kg and is economically viable, while the SA hydrogenation process (C4s refinery) produces C4s at $ 3.6/kg and is not competitive with current production routes.

Journal

Journal of Advanced Manufacturing and ProcessingWiley

Published: Jul 1, 2020

Keywords: ; ; ; ; ;

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