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Rethinking biochar: black gold or not?

Nature Reviews Materials volume 9, pages 4–5 (2024)Cite this article

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Biochar is proposed as a promising solution for sustainable development, but proper risk management and careful evaluation are essential when considering its use. It is crucial to acknowledge the limitations of biochar and recognize that it is not a magic bullet for green technologies.

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Fig. 1: Risks associated with the use of biochar.

References

  1. Lehmann, J. A handful of carbon. Nature 447, 143–144 (2007).

    Article  CAS  Google Scholar 

  2. Natasha, N. et al. Influence of biochar on trace element uptake, toxicity and detoxification in plants and associated health risks: a critical review. Crit. Rev. Environ. Sci. Technol. 52, 2803–2843 (2021).

    Article  Google Scholar 

  3. Xiang, L. et al. Potential hazards of biochar: the negative environmental impacts of biochar applications. J. Hazard. Mater. 420, 126611 (2021).

    Article  CAS  Google Scholar 

  4. Lehmann, J. et al. Biochar in climate change mitigation. Nat. Geosci. 14, 883–892 (2021).

    Article  CAS  Google Scholar 

  5. Lian, F. & Xing, B. Black carbon (biochar) in water/soil environments: molecular structure, sorption, stability, and potential risk. Environ. Sci. Technol. 51, 13517–13532 (2017).

    Article  CAS  Google Scholar 

  6. He, Y. et al. Effects of biochar application on soil greenhouse gas fluxes: a meta‐analysis. GCB Bioenergy 9, 743–755 (2017).

    Article  CAS  Google Scholar 

  7. He, M. et al. Waste-derived biochar for water pollution control and sustainable development. Nat. Rev. Earth Environ. 3, 444–460 (2022).

    Article  CAS  Google Scholar 

  8. Zhang, P. et al. Functional biochar and its balanced design. ACS Environ. Au 2, 115–127 (2022).

    Article  CAS  Google Scholar 

  9. Senthil, C. & Lee, C. W. Biomass-derived biochar materials as sustainable energy sources for electrochemical energy storage devices. Renew. Sustain. Energy Rev. 137, 110464 (2021).

    Article  CAS  Google Scholar 

Download references

Acknowledgements

The authors thank the National Natural Science Foundation of China (52200074, 51821006 and 52192684) for supporting this work.

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  1. CAS Key Laboratory of Urban Pollutant Conversion, Department of Environmental Science and Engineering, University of Science and Technology of China, Hefei, China

    Guangcai Tan & Han-Qing Yu

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  1. Guangcai Tan
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  2. Han-Qing Yu
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Correspondence to Han-Qing Yu.

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The authors declare no competing interests.

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Tan, G., Yu, HQ. Rethinking biochar: black gold or not?. Nat Rev Mater 9, 4–5 (2024). https://doi.org/10.1038/s41578-023-00634-1

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