Role of biochar in polyaromatic hydrocarbons remediation and environment management

Ashutosh Kumar Pandey, Vivek K. Gaur, Sunita Varjani, Ashok Pandey, Sunil Kumar, Huu Hao Ngo, Wenshan Guo, Mukesh Kumar Awasthi, Jonathan W.C. Wong

Research output: Chapter in book/report/conference proceedingChapterpeer-review

1 Citation (Scopus)


Polycyclic aromatic hydrocarbons (PAHs) have been reported as priority pollutants due to their teratogenicity, genotoxicity, and carcinogenicity. Efficient remediation techniques are being sought for effective treatment and reuse of PAHs contaminated sediments. Biochar application for such purposes has been recently imposed as a sustainable and innovative technology. Biochar is actively involved in the sorption and consequent removal of PAHs from contaminated environmental samples. This chapter detailed the production and properties of biochar obtained from the pyrolysis of different raw materials. The application of biochar in the remediation of PAHs obtained from different sources is discussed. Biochar in combination with capping agents has been utilized, and its application in soil ecosystems increases the removal of PAHs. The insights into the knowledge gaps and future perspectives have been discussed. This suggests that biochar application offers new avenues for PAHs remediation while simultaneously providing a sustainable solution to the waste biomass problem.

Original languageEnglish
Title of host publicationCurrent Developments in Biotechnology and Bioengineering
Subtitle of host publicationBiochar Towards Sustainable Environment
EditorsHuu Hao Ngo, Wenshan Guo, Ashok Pandey, Sunita Varjani, Daniel C.W. Tsang
Number of pages21
ISBN (Electronic)9780323918732, 9780323985031
ISBN (Print)9780323985031
Publication statusPublished - 3 Jan 2023

Scopus Subject Areas

  • Engineering(all)
  • Chemical Engineering(all)

User-Defined Keywords

  • Bioavailability
  • Biochar
  • Biomass
  • Persistent organic pollutants
  • Pyrolysis


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