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Updated: Aug 6, 2026
10:31
Assessment of Waste-Derived Biochars on the Health and Biological Activity of Soil
Published on: October 10, 2025
[Advances in the Study of Endogenous Pollutants and Potential Risks in Biochar]
Jiang-Hao Wang1, Bing Wang1, Li-Bing Gao1
1School of Environment and Resources, Taiyuan University of Science and Technology, Taiyuan 030025, China.
Huan Jing Ke Xue= Huanjing Kexue
|July 20, 2026
Summary
Biochar shows promise for environmental cleanup, but its own pollutants pose risks. Understanding biochar pollutant sources, release, and migration is key to safe application.
Area of Science:
- Environmental Science
- Materials Science
Background:
- Biochar is a promising adsorbent for environmental remediation.
- Concerns exist regarding endogenous pollutants within biochar.
Purpose of the Study:
- To summarize biochar's endogenous pollutants (inorganic and organic).
- To explore pollutant occurrence, risks, and release mechanisms.
- To analyze pollutant migration and ecotoxicological effects.
Main Methods:
- Literature review on biochar pollutant sources and characteristics.
- Analysis of environmental release mechanisms (physical, chemical, biological).
- Investigation of pollutant migration in soil, water, and atmosphere.
Main Results:
- Biochar contains inorganic (heavy metals) and organic (PAHs, EPFRs) pollutants.
- Pollutants exhibit dynamic migration influenced by environmental factors.
- Ecotoxicological effects of these endogenous pollutants were summarized.
Conclusions:
- Controlling reaction parameters and application sites is crucial for reducing biochar pollutant risks.
- Further research is needed to mitigate endogenous pollutant release.
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