Quantitative measurement of the growth rate of the PHA-producing photosynthetic bacterium Rhodocyclus gelatinous CBS-2[PolyHydroxyAlkanoate]
Conference
·
OSTI ID:20030617
Researchers at the National Renewable Energy Laboratory (NREL) have been investigating the use of model photosynthetic microorganisms that use sunlight and two-carbon organic substrates (e.g., ethanol, acetate) to produce biodegradable polyhydroxyalkanoate (PHA) copolymers as carbon storage compounds. Use of these biological PHAs in single-use plastics applications, followed by their post-consumer composting or anaerobic digestion, could impact petroleum consumption as well as the overloading of landfills. The large-scale production of PHA polymers by photosynthetic bacteria will require large-scale reactor systems utilizing either sunlight or artificial illumination. The first step in the scale-up process is to quantify the microbial growth rates and the PHA production rates as a function of reaction conditions such as nutrient concentration, temperature, and light quality and intensity.
- Research Organization:
- National Renewable Energy Lab., Golden, CO (US)
- Sponsoring Organization:
- US Department of Energy
- OSTI ID:
- 20030617
- Country of Publication:
- United States
- Language:
- English
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