Polycyclic Aromatic Hydrocarbons Occurrences in Biomass Char and Its Mitigation Approaches: A Mini Review

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dc.contributor.authorMohd Nor Azman, Nur Aina Najwa
dc.contributor.authorAsmadi, Mohd
dc.contributor.authorAmin, Nor Aishah Saidina
dc.contributor.authorShamjuddin, Amnani
dc.contributor.authorMohammad Zainol, Muzakkir
dc.contributor.authorPhaiboonsilpa, Natthanon
dc.contributor.authorKawamoto, Haruo
dc.date.accessioned2026-08-06T10:42:04Z
dc.date.available2026-08-06T10:42:04Z
dc.date.issued2023-08-01
dc.description.abstractBiochar is a porous fine-grained substance produced from the pyrolysis technology of biomass that can be commercially used as a soil conditioner to promote soil fertility. Biochar is characterized by high carbon content, stability, and porosity. However, organic pollutants residue of polycyclic aromatic hydrocarbons (PAHs) is also formed during the pyrolysis of biochar. The high concentration of PAHs adversely degrades the quality of biochar for soil amendment application. Meanwhile, highly toxic-PAHs concentration may pose a potential threat to both human health and the environment. The total PAHs yield is mainly influenced by the pyrolysis condition and feedstock resource. This review aims to discuss the conversion pyrolysis technology of biochar and factors that may influence the PAHs formation. The key research findings from this literature will lead to some strategies to minimize the PAHs compound in biochar by controlling the pyrolysis conditions through higher pyrolysis temperature, carrier gas flow, and prolonged pyrolysis time or by selecting suitable feedstock with lower lignin content.
dc.identifier.citationChembioeng Reviews, 10(4), 462-479, 2023
dc.identifier.doi10.1002/cben.202200031
dc.identifier.issn21969744
dc.identifier.other2-s2.0-85164148706
dc.identifier.urihttps://dspace.kmitl.ac.th/handle/123456789/14568
dc.sourceChembioeng Reviews
dc.subjectBiochar
dc.subjectMitigation Approaches
dc.subjectPolycyclic Aromatic Hydrocarbons
dc.subjectPyrolysis
dc.subjectToxicity
dc.titlePolycyclic Aromatic Hydrocarbons Occurrences in Biomass Char and Its Mitigation Approaches: A Mini Review
dc.typeReview

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