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March 28, 2026Bioresource TechnologyOpen Access

Polyhydroxyalkanoate production from solid waste animal fat and biological downstream processing: A pilot-scale study

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Authors

LSLara SantolinBWBjörn WeiskeMLManoj Lakshmanan

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Overview

Pilot-scale production converts animal fat into high-purity bioplastic, highlighting recycling potential.

Key Points

  • The aim is to convert solid waste animal fat into a bioplastic polyhydroxyalkanoate through innovative processing.
  • Performed 750-L pilot-scale bacterial fed-batch fermentation.
  • Used engineered strain Cupriavidus necator for PHA production.
  • Processed 48 kg of PHA-rich biomass via mealworm digestion.
  • Purified high-purity PHA using water, sodium hydroxide, and sodium hypochlorite.
  • Produced 19 kg of high-purity (>99%) polyhydroxyalkanoate powder.
  • Molecular weight remained stable throughout the downstream process.

Cite This Study

Santolin et al. (2026) studied this question.

synapsesocial.com/papers/69c770888bbfbc51511e094ehttps://doi.org/10.1016/j.biortech.2026.134501
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Also Consider

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