Cited by 305biodegradable polymer synthesis and propertiesMicrobial bioremediation and biosurfactantsBiopolymer Synthesis and Applications

Production of Polyhydroxyalkanoates by Mixed Microbial Cultures

Reis, M. A. M., Serafim, L. S., Lemos, P. C., Ramos, A. M., Aguiar, F. R., Van Loosdrecht, M. C. M.·2003·Bioprocess and Biosystems Engineering

Abstract

Polyhydroxyalkanoates (PHAs) are biodegradable bioplastics formed from renewable resources, like sugars, with similar characteristics of polypropylene. These bioplastics are industrially produced by pure cultures using expensive pure substrates. These factors lead to a much higher selling price of PHAs compared to petroleum-based plastics, like polypropylene. The use of mixed cultures and cheap substrates (waste materials) can reduce costs of PHA production by more than 50%. Storage of PHAs by mixed populations occurs under transient conditions mainly caused by discontinuous feeding and variation in the electron donor/acceptor presence. In the last years the mechanisms of storage, metabolism and kinetics of mixed cultures have been studied. The maximum capacity of PHA storage and production rate is dependent on the substrate and on the operating conditions used. In this paper an overview and discussion of various mechanisms and processes for PHA production by mixed cultures is presented.

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Crossref · 10.1007/s00449-003-0322-4

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  • Mixed-culture approach lowers operational and maintenance costs and enhances biomass production by allowing complementary nutrient utilization, leading to improved economic benefits.

    “This approach not only lowers the operational and maintenance costs associated with stringent environmental conditions, but also enhances biomass production by allowing different species to complementarily utilize the nutrients in the cultivation medium, leading to improved economic benefits [129].”

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Authors
Reis, M. A. M., Serafim, L. S., Lemos, P. C., Ramos, A. M., Aguiar, F. R., & Van Loosdrecht, M. C. M.
Affiliations
Rede de Química e Tecnologia (PT)
Corresponding author
Reis, M. A. M.
Venue
Bioprocess and Biosystems Engineering
Published
2003-04-12
Volume
25
Issue
6
Pages
377-385
ISSN
  • 1615-7591 (ISSN-L)
  • 1615-7605
OpenAlex
W2032420027
Cited by
301
References
9
Citations by year
2026: 6 · 2025: 16 · 2024: 15 · 2023: 12 · 2022: 23 · 2021: 23 · 2020: 16 · 2019: 14 · 2018: 16 · 2017: 14 · 2016: 21 · 2015: 14 · 2014: 16 · 2013: 18 · 2012: 16
FWCI
2.22
Type
journal article
Language
en
Open access
closed
Locations
  • Bioprocess and Biosystems Engineering (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Materials Science › Biomaterials › biodegradable polymer synthesis and properties
  • Physical Sciences › Environmental Science › Pollution › Microbial bioremediation and biosurfactants
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Biopolymer Synthesis and Applications
Keywords
polyhydroxyalkanoates, mixed culture, biodegradable bioplastics, waste substrates, electron donors and acceptors

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