Scaling-up microbial community-based polyhydroxyalkanoate production
status and challenges
Ángel Estévez-Alonso (Wetsus, European Centre of Excellence for Sustainable Water Technology, TU Delft - Applied Sciences)
Ruizhe Pei (Wetsus, European Centre of Excellence for Sustainable Water Technology, TU Delft - Applied Sciences)
Mark C.M. van Loosdrecht (TU Delft - Applied Sciences)
Robbert Kleerebezem (TU Delft - Applied Sciences)
Alan Werker (TU Delft - Applied Sciences, Wetsus, European Centre of Excellence for Sustainable Water Technology)
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Abstract
Conversion of organic waste and wastewater to polyhydroxyalkanoates (PHAs) offers a potential to recover valuable resources from organic waste. Microbial community-based PHA production systems have been successfully applied in the last decade at lab- and pilot-scales, with a total of 19 pilot installations reported in the scientific literature. In this review, research at pilot-scale on microbial community-based PHA production is categorized and subsequently analyzed with focus on feedstocks, enrichment strategies, yields of PHA on substrate, biomass PHA content and polymer characterization. From this assessment, the challenges for further scaling-up of microbial community-based PHA production are identified.
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