Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Bioremediation

Bioremediation

Bioremediation is the use of prokaryotes, fungi, or plants to remove pollutants from the environment. This process has been used to remove harmful toxins in groundwater as a byproduct of agricultural run-off and also to clean up oil spills.

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

A scientometric analysis of research related to the 'oral-placental axis' hypothesis: current status, hotspots, and future directions.

Frontiers in cellular and infection microbiology·2026

Same author

Mechanisms of Resistance, Insights From Case Reports, and Future Prospects in Mycobacteriophage Therapy.

Journal of the Royal Society of New Zealand·2026

Same author

Synthesis and electromagnetic wave absorption characteristics of magnetic γ-Fe<sub>2</sub>O<sub>3</sub> modified Co@NC composite particles.

Nanoscale·2026

Same author

Complement System-Related Genes in Diabetic Nephropathy: Screening for Potential Targets of the Mechanism.

Journal of diabetes research·2026

Same author

Endogenous-metabolite-inspired polyamine-oleic acid lipids for safe mRNA delivery and PCSK9 gene editing.

Journal of controlled release : official journal of the Controlled Release Society·2026

Same author

Electrically Tunable Piezotronic Transistor by Coupling Interface Polar Symmetry and Strain Gradient.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026

Search research articles

Related Experiment Video

Updated: Jan 11, 2026

Physical, Chemical and Biological Characterization of Six Biochars Produced for the Remediation of Contaminated Sites

Physical, Chemical and Biological Characterization of Six Biochars Produced for the Remediation of Contaminated Sites

Published on: November 28, 2014

Reduction Effect of Extra Biochar on PAHs Originating from Corn Stover Pyrolysis.

Lijie Li¹, Xiuli Shen¹, Haibo Meng¹

¹Key Laboratory of Energy Resource Utilization from Agriculture Residue, Ministry of Agriculture and Rural Affairs, Academy of Agricultural Planning and Engineering, Beijing 100125, China.

Molecules (Basel, Switzerland)

|November 13, 2025

Summary

Adding extra biochar to corn stover pyrolysis significantly reduced polycyclic aromatic hydrocarbons (PAHs) in biochar at 500°C. This catalytic approach offers a promising, low-cost method for cleaner biochar production.

Keywords:

biochar corn stover extra biochar polycyclic aromatic hydrocarbons (PAHs)residual tar

More Related Videos

Assessment of Waste-Derived Biochars on the Health and Biological Activity of Soil

Assessment of Waste-Derived Biochars on the Health and Biological Activity of Soil

Published on: October 10, 2025

Characterization, Quantification and Compound-specific Isotopic Analysis of Pyrogenic Carbon Using Benzene Polycarboxylic Acids BPCA

Characterization, Quantification and Compound-specific Isotopic Analysis of Pyrogenic Carbon Using Benzene Polycarboxylic Acids BPCA

Published on: May 16, 2016

Related Experiment Videos

Last Updated: Jan 11, 2026

Physical, Chemical and Biological Characterization of Six Biochars Produced for the Remediation of Contaminated Sites

Physical, Chemical and Biological Characterization of Six Biochars Produced for the Remediation of Contaminated Sites

Published on: November 28, 2014

Assessment of Waste-Derived Biochars on the Health and Biological Activity of Soil

Assessment of Waste-Derived Biochars on the Health and Biological Activity of Soil

Published on: October 10, 2025

Characterization, Quantification and Compound-specific Isotopic Analysis of Pyrogenic Carbon Using Benzene Polycarboxylic Acids BPCA

Characterization, Quantification and Compound-specific Isotopic Analysis of Pyrogenic Carbon Using Benzene Polycarboxylic Acids BPCA

Published on: May 16, 2016

Area of Science:

Environmental Science
Chemical Engineering
Materials Science

Background:

Increasing environmental concerns regarding polycyclic aromatic hydrocarbons (PAHs) in biochar production necessitate optimized, cost-effective pyrolysis processes.
Developing efficient methods to minimize PAHs in biochar and residual tar is crucial for sustainable biomass utilization.

Purpose of the Study:

To investigate the catalytic effect of extra biochar on reducing PAHs during corn stover pyrolysis.
To evaluate the impact of biochar addition on PAH concentrations in both the final biochar product and residual tar.
To establish the reaction mechanism for PAH reduction using biochar as a catalyst.

Main Methods:

Corn stover was pyrolyzed in a fixed-bed reactor at temperatures of 500, 600, and 700 °C.
Biochar produced at these temperatures was added as a catalyst by stacking it above the feedstock.
Concentrations of PAHs in biochar and residual tar were analyzed; physicochemical properties of the catalytic biochar were also examined.

Main Results:

Stacking extra biochar significantly reduced PAHs in corn stover biochar and residual tar at 500 °C (e.g., biochar PAHs from 9.14 mg/kg to 3.66 mg/kg).
PAH concentrations in biochar decreased substantially, while residual tar PAHs also showed reduction at 500 °C.
Conversely, PAH concentrations in residual tar increased at higher temperatures (600 °C and 700 °C).

Conclusions:

The addition of extra biochar effectively reduces PAHs in the resulting biochar, particularly at moderate pyrolysis temperatures (500 °C).
This catalytic approach presents a viable strategy for mitigating PAH contamination in biochar production.
Further optimization is needed to address PAH reduction in the entire pyrolysis process, especially at higher temperatures.