Advancements in microalgal biomass conversion for rubber composite applications
2025

Using Microalgal Biomass to Replace Carbon Black in Rubber Composites

publication 10 minutes Evidence: moderate

Author Information

Author(s): Doaa S. Mahmoud, Salwa H. El-Sabbagh, Sayeda M. Abdo

Primary Institution: National Research Centre, Dokki, Giza, Egypt

Hypothesis

Can microalgal biomass effectively replace carbon black in rubber composites without compromising mechanical properties?

Conclusion

Microalgal biomass can successfully replace up to 50% of carbon black in rubber composites while maintaining satisfactory mechanical properties.

Supporting Evidence

  • Microalgal biomass has high biomass productivity compared to traditional crops.
  • Rubber composites with microalgal biomass showed improved mechanical properties.
  • Using microalgal biomass can reduce dependence on petroleum-based fillers.

Takeaway

This study shows that we can use algae instead of carbon black in rubber, which is better for the environment and can save money.

Methodology

Microalgal biomass was blended with carbon black at different concentrations to create rubber composites, which were then tested for mechanical properties.

Limitations

The study primarily focuses on laboratory conditions, and industrial applications may require further research.

Digital Object Identifier (DOI)

10.1038/s41598-024-82878-7

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