Issue 25, 2022
From the journal:

RSC Advances

A comparative analysis of biopolymer production by microbial and bioelectrochemical technologies†

Brenda Alvarez Chavez, ORCID logo ab   Vijaya Raghavana  and  Boris Tartakovsky ORCID logo *ab  

* Corresponding authors

a McGill University, Bioresource Engineering Department, 21111 Lakeshore Rd., Ste-Anne-de-Bellevue, QC H9X 3V9, Canada
E-mail: Boris.Tartakovsky@cnrc-nrc.gc.ca

b National Research Council of Canada, 6100 Royalmount Ave, Montreal, QC H4P 2R2, Canada

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.

Graphical abstract: A comparative analysis of biopolymer production by microbial and bioelectrochemical technologies

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Article information

DOI
https://doi.org/10.1039/D1RA08796G
Article type
Review Article
Submitted
02 Dec 2021
Accepted
03 May 2022
First published
01 Jun 2022
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2022,12, 16105-16118

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A comparative analysis of biopolymer production by microbial and bioelectrochemical technologies

B. Alvarez Chavez, V. Raghavan and B. Tartakovsky, RSC Adv., 2022, 12, 16105 DOI: 10.1039/D1RA08796G

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