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BES research in bacteria, energy. Production of biopolymers from renewable carbon sources provides a path towards a circular economy. ...

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Representative microbial electrochemical system — matched on the paper’s system type only, not its reactor or geometry.

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What they did

System
MES
Substrate
pure compound

What worked

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Abstract

Production of biopolymers from renewable carbon sources provides a path towards a circular economy. This review compares several existing and emerging approaches for polyhydroxyalkanoate (PHA) production from soluble organic and gaseous carbon sources and considers technologies based on pure and mixed microbial cultures. While bioplastics are most often produced from soluble sources of organic carbon, the use of carbon dioxide (CO2) as the carbon source for PHA production is emerging as a sustainable approach that combines CO2 sequestration with the production of a value-added product. Techno-economic analysis suggests that the emerging approach of CO2 conversion to carboxylic acids by microbial electrosynthesis followed by microbial PHA production could lead to a novel cost-efficient technology for production of green biopolymers.

Keywords

BiopolymerBiochemical engineeringProduction (economics)Environmental chemistry

Identifiers

DOI
10.1039/d1ra08796g
Journal
RSC Advances
Year
2022