Simultaneous utilization of CO2 and potassium-rich biomass for the environmentally friendly production of potassium formate
2025

Eco-friendly Production of Potassium Formate from CO2 and Biomass

publication Evidence: high

Author Information

Author(s): Yoon Hayoung, Park Kwangho, Jung Kwang-Deog, Yoon Sungho

Primary Institution: Chung-Ang University and Korea Institute of Science and Technology

Hypothesis

Can potassium formate be efficiently produced from CO2 hydrogenation using potassium-rich biomass?

Conclusion

The study successfully developed a method to produce potassium formate with over 99% purity by utilizing CO2 and potassium-rich bamboo ash.

Supporting Evidence

  • 80% of CO2 was converted to formate ions.
  • K(HCO2) was produced with a purity exceeding 99%.
  • The method allows for the recycling of NMPI during the process.
  • Silica nanoparticles were produced as a by-product.

Takeaway

This research shows how we can turn CO2 and plant waste into useful chemicals, helping the environment.

Methodology

The study used CO2 hydrogenation in a trickle-bed reactor with a heterogeneous catalyst and potassium ions from biomass ash for product isolation.

Limitations

The study does not address the scalability of the process or potential societal acceptance.

Digital Object Identifier (DOI)

10.1039/d4ra07360f

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