Polyhydroxyalkanoate (PHA) production in open mixed cultures using waste activated sludge as biomass
In this work, volatile fatty acids (VFAs) were used as a carbon source to assess the ability of bacteria present in waste activated sludge (WAS), as indigenous flora, to accumulate polyhydroxyalkanoates (PHA). Acetic acid and propionic acid were used both separately and in combination as feedstock, producing either homopolymer poly(3-hydroxybutyrate) (3PHB) and/or the co-polymer, poly(3-hydroxybutyrate-co-3-hydroxyvalerate) P(3HB-co-3HV). The overall potential to use waste activated sludge as biomass for production of valuable polymers was assessed, and a quality assessment of the as-produced polymers was run, with the extracted polymer being analyzed for properties such as thermal, microstructure and molecular weight. It was found that a blend of copolymers was typically produced, with thermal properties being similar to those reported elsewhere. The overall PHA cell content obtained was 0.29 gPHA gVSS-1.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:202 |
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| Enthalten in: |
Archives of microbiology - 202(2020), 7 vom: 24. Sept., Seite 1907-1913 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Munir, Sajida [VerfasserIn] |
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| Links: |
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| Themen: |
7440-44-0 |
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| Anmerkungen: |
Date Completed 21.08.2020 Date Revised 21.08.2020 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1007/s00203-020-01912-0 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM310311314 |
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| 500 | |a Citation Status MEDLINE | ||
| 520 | |a In this work, volatile fatty acids (VFAs) were used as a carbon source to assess the ability of bacteria present in waste activated sludge (WAS), as indigenous flora, to accumulate polyhydroxyalkanoates (PHA). Acetic acid and propionic acid were used both separately and in combination as feedstock, producing either homopolymer poly(3-hydroxybutyrate) (3PHB) and/or the co-polymer, poly(3-hydroxybutyrate-co-3-hydroxyvalerate) P(3HB-co-3HV). The overall potential to use waste activated sludge as biomass for production of valuable polymers was assessed, and a quality assessment of the as-produced polymers was run, with the extracted polymer being analyzed for properties such as thermal, microstructure and molecular weight. It was found that a blend of copolymers was typically produced, with thermal properties being similar to those reported elsewhere. The overall PHA cell content obtained was 0.29 gPHA gVSS-1 | ||
| 650 | 4 | |a Journal Article | |
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